Service name

The name of the MME service configured and running on the system.

Context

The name of the VPN context in which MME service configured and running on the system.

Status

Indicates whether MME service is started or not.

Bind

Indicates whether an S1-MME reference point is bound to an interface in the configured MME service or not.

Dynamic TAL Depth

Displays the configured number of unique historic entries in a Tracking Area List (TAL).

S1-MME IP Address

The IP address of the chassis on which MME service is configured. This is the S1-MME interface IP address of MME service.

Crypto-Template Name

The configured crypto-template name associated with the MME service.

Max Subscribers

The configured number of subscribers allowed on the MME service.

S1-MME sctp port

The source port number for SCTP communication. This source SCTP port will be used for binding the SCTP socket to communicate with the eNodeB using S1-MME with this MME service

MME Code

The MME identifier in EPC networks. This is used to construct the MME identifier.

MME Group

The MME group identifier in EPC networks. This works as a group of MMEs in a shared network. The MME group is used to construct the MME identifier.

PLMN Id

The Public Land Mobile Network identifier of which this MME service belongs to. It contains Mobile Country Code (MCC) and Mobile Network Code (MNC).

PS-LTE Operation

Displays whether the MME service has been enabled for Public Service LTE (PS-LTE) mode (as configured by theps-lte command).

If enabled, this field also displays the IPv4 or IPv6 address for the S11 interface of the co-located S-GW as configured by the same command.

Network-Global-MME-ID-Mgmt-DB

The LTE Network Global MME ID Management Database to which this MME Service is associated. This management database is used to manage associations between PLMN IDs and MME group ID ranges.

Foreign-PLMN-GUTI-Mgmt-DB

The LTE Foreign PLMN GUTI Management Database to which this MME Service is associated. This management database is used to control the acceptance or immediate reject of Attach Requests and TAU Requests containing a GUTI from a specific PLMN.

EGTP Context

The name of the VPN context in which Evolved GPRS Tunnelling Protocol (eGTP) service is configured and associated with this MME service to configure different interfaces with MME. Typically it is the destination context on system.

EGTP Service

The name of the Evolved GPRS Tunnelling Protocol (eGTP) service which is associated with this MME service to configure different interfaces with MME.

EGTP Sv Context

The name of the context in which the egtp-sv-service is configured.

EGTP Sv Service

The name of the eGTP Sv service associated with the MME service.

SGTPC Context

The name of the context in which the sgtpc-service is configured.

SGTPC Service

The name of the SGTPC service associated with the MME service.

MME HSS Context

The name of the context in which the HSS peer service is configured.

MME HSS Service

The name of the HSS peer service that communicates with an HSS associated with this MME service.

SGS Context

The name of the context in which the SGs service is configured.

SGS Service

The name of the SGs service associated with this MME service.

SMSC Context

The name of the context in which the SMSC service is configured.

SMSC Service

The name of the name of the SMSC service associated with the MME service.

Location Service

The name of the Location Service (SLg interface) associated with this MME service.

Max bearers per MS

The maximum number of bearers per MS allowed with in this MME service. This can be configured between 1 and 11. By default 11 bearers supported per MS.

Max PDNs per MS

The maximum number of PDNs per MS allowed with in this MME service. This can be configured between 1 and 3. By default 3 bearers supported per MS.

Peer MME GUMMEI

Displays the IP addresses of peer MMEs looked up using GUMMEI during handovers between any radio access technology and the E-UTRAN.

Peer MME TAI

Displays the configured TAI Management Database name associated with the service used for peer MME selection.

Peer SGSN RAI

Displays the parameters configured for peer SGSN discovery using the Routing Area Identity.

Peer SGSN RNCID

Displays the parameters configured for peer SGSN discovery using the Radio Network Controller ID.

NRI Length

Displays the NRI length entries configured for this MME service. If none are configured, the display shows "None".

PGW

This group The parameters related to Packet Data Network Gateway (P-GW), which is selected by this MME service for providing PDN connectivity to subscribers. This group contains following parameters:

• Address: The IP address of P-GW which is selected by this MME service for providing PDN connectivity to subscribers.

• S5-S8 Protocol: The protocol configured to communicate between Serving Gateway (S-GW) and P-GW on S5 and S8 interface. P-MIP and GTP can be configured on this interface. By default GTP is supported on this interface.

• Ue-usage-Type: Configures UE usage type for disconnecting PDN for up service area.

• Collocated-node: Configures the Collocation name to select the collocated S/PGW node IP addresses and/or P-GW Node name for 5GS Interworking.

  Note	PGW Node name should be configured under Collocated-node for 5GS interworking with N26 interface. This configuration allows the P-GW Node Name to include the configured name in Context Response and Forward relocation Request Response messages from MME to AMF over N26 interface.

• Smf-combined: Configures a combined P-GW and SMF.

• Weight: The weight allotted the selected P-GW for selection of P-GW by MME service.

SGW Pool

Displays the configured TAI Management Object name associated with the service used for creating S-GW pools that, in turn, are used for S-GW selection.

Peer MME DNS Context

The name of the context where the DNS configuration resides for peer MME associations and discoveries.

Peer SGSN DNS Context

The name of the context where the DNS configuration resides for peer SGSN associations and discoveries.

PGW DNS Context

The name of the context in which the DNS service configured to locate and select the P-GW by this MME Service.

SGW DNS Context

The name of the context in which the DNS service is configured to locate and select the S-GW by this MME Service.

DNS MSC Context

The name of the context in which the DNS service is configured to locate and select the MSC by this MME Service.

SMSC Context

The name of the context in which the SMSC service is associated to the MME service.

Implicit Detach Timeout

The timeout duration in seconds after which subscriber will implicitly be detached from the network if there is no activity. This value can be configured from 1 second to 3600 seconds. By default timeout duration for this timer is 3600 seconds.

This timer starts when mobile reachable timer expires while the network is in EMM-IDLE mode and Idle mode Signaling Reduction (ISR) is activated and stops when NAS signalling connection established.

Note: Generally this timer value is 240 seconds (4 minutes) more than the timeout value of T3423 timer.

T3346 Timeout

Displays the timeout duration configured for the T3346 timer. This timer can be configured to any value from 0 to 18600 seconds. Default: 1500 seconds (25 minutes).

If an EMM request is rejected by MME because of congestion, it shall have EMM cause as congestion (#22) and shall include back-off timer (T3346) IE. The back-off timer shall be chosen randomly and shall be 10% below or above the configured T3346 timer value.

T3412 Timeout

Displays the timeout duration configured for the T3412 timer. This timer is used for periodic tracking area update (P-TAU). When this timer expires, the periodic tracking area updating procedure starts and the timer is set to its initial value for the next start. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer starts when the UE goes from EMM-CONNECTED to EMM-IDLE mode and stops when the UE returns to EMM-CONNECTED mode.

T3412 Extended Timeout

Displays the timeout duration configured for the T3412 extended timer. This timer is used for periodic tracking area update (P-TAU). This timer helps the MME to reduce network load from periodic TAU signaling and to increase the time until the UE detects a potential need for changing the RAT or PLMN. This timer can be configured to any value from 0 to 1116000 seconds. Default: 3600 seconds (60 minutes).

T3413 Timeout

Displays the timeout duration configured for the T3413 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

The timer starts when MME initiates the EPS paging procedure to the EMM entity in the network and requests the lower layer to start paging. This timer stops for the paging procedure when a response is received from the UE.

T3422 Timeout

Displays the timeout duration configured for the T3422 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer starts when the MME initiates the detach procedure by sending a DETACH REQUEST message to the UE and stops upon receipt of the DETACH ACCEPT message.

T3423 Timeout

Displays the timeout duration configured for the T3423 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer starts when the UE enters the EMM-DEREGISTERED state or when entering the EMM-CONNECTED mode. It stops while the UE is in EMM-REGISTERED-NO-CELL-AVAILABLE state and Idle mode Signaling Reduction (ISR) is activated.

T3450 Timeout

Displays the timeout duration configured for the T3450 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer starts when the MME initiates the Globally Unique Temporary Identifier (GUTI) reallocation procedure by sending a GUTI REALLOCATION COMMAND message to the UE and stops upon receipt of the GUTI REALLOCATION COMPLETE message.

This timer is also used for tracking area update procedures.

T3460 Timeout

Displays the timeout duration configured for the T3460 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

The timers starts when the network initiates the authentication procedure by sending an AUTHENTICATION REQUEST message to the UE and stops upon receipt of the AUTHENTICATION RESPONSE message.

T3470 Timeout

Displays the timeout duration configured for the T3470 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

The timers starts when the network initiates the identification procedure by sending an IDENTITY REQUEST message to the UE and stops upon receipt of the IDENTITY RESPONSE message.

ISDA Guard Timeout

Specifies the expiry time to wait to receive the UEs current location information.

ISDA Location Validity Time

Specifies the expiry time for the age of the UE's location information. During this time, if the EPS Location Information with current location is requested in the ISDR, the MME does not process a location procedure with the eNodeB, but sends the location information from the cache.

Mobile Reachable Timeout

Displays the timeout duration after which the reachability procedure will be discarded and a reattempt starts. This duration can be configured to any value between 1 and 20 seconds. By default it is 4 second.

T3396 Timeout

Displays the timeout duration configured for the T3396 timer. This timer can be configured to any value from 0 to 18600 seconds. Default: 1500 seconds (25 minutes).

If an ESM request is rejected because of congestion, the rejects shall have ESM cause #26: "Insufficient resources" and the MME will include the back-off timer IE (T3396). The back-off timer shall be chosen randomly and shall be 10% below or above the configured T3396 timer value.

T3485 Timeout

Displays the timeout duration configured for the T3485 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer is used for default EPS bearer context activation procedure.

This timer starts when the MME sends an ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST message to the UE and stops when it receives an ACTIVATE DEFAULT EPS BEARER CONTEXT ACCEPT or ACTIVATE DEFAULT EPS BEARER CONTEXT REJECT message from the UE.

T3486 Timeout

Displays the timeout duration configured for the T3486 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer starts when the MME sends a MODIFY EPS BEARER CONTEXT REQUEST message to the UE and stops when it receives a MODIFY EPS BEARER CONTEXT ACCEPT or REJECT message from the UE.

T3495 Timeout

Displays the timeout duration configured for the T3495 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer is used for default EPS bearer context deactivation procedure.

This timer starts when the MME sends a DEACTIVATE EPS BEARER CONTEXT REQUEST message to the UE and stops when it receives a DEACTIVATE EPS BEARER CONTEXT ACCEPT or DEACTIVATE EPS BEARER CONTEXT REJECT message from the UE.

T3489 Timeout

Displays the timeout duration configured for the T3489 timer. This timer can be configured to any value between 1 and 20 seconds. By default it is 6 second.

This timer starts when the MME sends an ESM INFORMATION REQUEST message to the UE and stops when it receives an ESM INFORMATION RESPONSE message from the UE.

TC1N Timeout

Displays the timeout duration configured for the TC1N timer. This timer can be configured to any value between 1 and 20 seconds. By default, it is 5 seconds.

TR1N Timeout

Displays the timeout duration configured for the TR1N timer. This timer can be configured to any value between 1 and 300 seconds. By default, it is 30 seconds.

TR2N Timeout

Displays the timeout duration configured for the TR2N timer. This timer can be configured to any value between 1 and 300 seconds. By default, it is 30 seconds.

MT Queue Timeout

Displays the timeout duration configured for the MT Queue timer. This timer can be configured to any value between 1 and 300 seconds. By default, it is 30 seconds.

CP Data Max Retransmissions Count

Displays the number of times CP Data for SMS is retransmitted.

HO Resource Release Timeout

Displays the configuration of the ho-resource-release-timeout command.

This is the amount of time in milliseconds that the MME will hold on to bearers and E-RABs after an S1-based handover has been initiated. When this timer expires, the source MME will send a UE Context Release to the source eNodeB. Refer to 3GPP TS 23.401 Section 5.5.1.2.2 for additional information about the use of this timer.

Encryption Algorithms

The encryption algorithm and its priority applied for security procedures through this MME service. It indicates following settings:

• Priority: The priority set for applied encryption algorithm. The least value has the highest preference.

  Possible priority values are between 1 to 3.

• Algorithm: The applied encryption algorithm. Possible algorithms are:

  • 128-eea0 : Null ciphering algorithm (128-EEA0) for LTE encryption as the encryption algorithm for security procedures. This is the default encryption algorithm applicable for security procedures.

  • 128-eea1 : SNOW 3G synchronous stream ciphering algorithm (128-EEA1) for LTE encryption as the encryption algorithm for security procedures.

  • 128-eea2 : Advance Encryption Standard (AES) ciphering algorithm (128-EEA2) for LTE encryption as the encryption algorithm for security procedures.

  • 128-eea3 : ZUC algorithm (128-EEA3) for LTE encryption as the encryption algorithm for security procedures.

By default, the 128-eea0 encryption algorithm is applicable.

Integrity Algorithms

The priority and the integrity algorithm applied for security procedures through the MME service. It indicates the following settings:

• Priority: The priority set for the applied integrity algorithm. The least value has the highest preference.

  Possible priority values are between 1 to 3.

• Algorithm: The applied integrity algorithm. Possible algorithms are:

  • 128-eia0 : Null ciphering algorithm (128-EIA0) for LTE integrity as the integrity algorithm for security procedures.

  • 128-eia1 : SNOW 3G synchronous stream ciphering algorithm (128-EIA1) for LTE integrity as the integrity algorithm for security procedures.

  • 128-eia2 : Advance Encryption Standard (AES) ciphering algorithm (128-EIA2) for LTE encryption as the integrity algorithm for security procedures. This is the default encryption algorithm applicable for security procedures.

  • 128-eia3 : ZUC algorithm (128-EIA3) for LTE integrity as the integrity algorithm for security procedures.

Setup Timeout

The setup timeout duration configured for call setup for MME calls.

Range: 1 to 10000.

Default: 60 seconds

UE DB Purge Timeout

The configured timeout duration in minutes to purge UE record from UE database which is maintained by MME as cache of EPS context per UE keyed by IMSI/GUTI to allow UE to attach by GUTI and reuse previously established security parameters. This cache will be maintained in each session manager where the first attach occurred for an UE and purge after configured timeout period expires.

Range: 1 to 20160.

Default: 10080 mins

Maximum paging attempts

Indicates number of paging attempts configured in an MME service to send for an UE while in idle mode.

Range: 1 to 10

Default: 3

Policy for Idle Mode Detach

Displays the configured user policy in an MME service for detach procedure when a UE is in IDLE mode. Possible actions are:

• Explicit: Detach procedure starts after paging the UE

• Implicit: Detach procedure starts without paging the UE

Default: Implicit detach

NAS Max Retransmissions Count

Displays the configured maximum number of retransmissions for each configured NAS message.

Set UE Time (attach processing)

Displays the configuration of the set-ue-time keyword in the policy attach command. Possible states are Enabled or Disabled.

If enabled, this field also shows the preference for delivery of EMM information message to the UE, either MME Preferred or MSC Preferred.

Reject attach with non-3GPP char APN

Displays whether the feature is enabled or disabled at MME to reject APNs with non-standard characters in Attach request.

Reject pdn connect with non-3GPP char APN

Displays whether the feature is enabled or disabled at MME to reject APNs with non-standard characters in PDN Connect request.

IMEI Query (attach processing)

Displays the mobile equipment identity query type for the UE related procedure configured in the attach policy in the MME service. Possible actions are:

• IMEI: System configured to use International Mobile Equipment Identity as query type for UE related procedures.

• IMEI-SV: System configured to use International Mobile Equipment Identity (IMEI) - Software Version (SV) as query type for UE related procedures.

• None: System configured to not to use any type, neither IMEI or IMEI-SV, as query type for UE related procedures.

Default: None

EIR Query (attach processing)

Displays the Equipment Identity Register query status in the attach policy configuration for the MME service. Possible states are Enabled or Disabled.

Deny-greylisted (attach processing)

Displays whether the MME will deny a call if the equipment is determined to be on the grey list during the attach procedure. By default, this option is disabled; the MME will allow this call to go through.

To enable this option, refer to the verify-equipment-identity function of the policy attach command.

Deny-unknown (attach processing)

Displays whether the MME will deny a call if the Equipment Identity Register responds with EQUIPMENT STATUS UNKNOWN to a Mobile Identity Check Request during the attach procedure. By default, this option is disabled; the MME will allow the call to go through.

To enable this option, refer to the verify-equipment-identity function of the policy attach command.

Allow-ECA timeout (attach processing)

Displays whether the MME will allow a call to go through if no response is received from an Equipment Identity Register for a Mobile Identity Check Request during the attach procedure. By default, this option is disabled; the MME will deny this call.

To enable this option, refer to the verify-equipment-identity function of the policy attach command.

Verify Emergency (attach processing)

Displays whether the MME will query the EIR for equipment status during Emergency attach processing. By default, this option is disabled.

To enable this option, refer to the verify-equipment-identity function of the policy attach command.

Set UE Time (TAU processing)

Displays the configuration of the set-ue-time keyword in the policy tau command. Possible states are Enabled or Disabled.

If enabled, this field also shows the preference for delivery of EMM information message to the UE, either MME Preferred or MSC Preferred.

IMEI Query (TAU processing)

Displays the mobile equipment identity query type for the UE related procedure configured in the TAU policy in the MME service. Possible actions are:

• IMEI: System configured to use International Mobile Equipment Identity as query type for UE related procedures.

• IMEI-SV: System configured to use International Mobile Equipment Identity (IMEI) - Software Version (SV) as query type for UE related procedures.

• None: System configured to not to use any type, neither IMEI or IMEI-SV, as query type for UE related procedures.

Default: None

EIR Query (TAU processing)

Displays the Equipment Identity Register query status in the TAU policy configuration for the MME service. Possible states are Enabled or Disabled.

Deny-greylisted (TAU processing)

Displays whether the MME will deny a call if the equipment is determined to be on the grey list during the TAU procedure. By default, this option is disabled; the MME will allow this call to go through.

To enable this option, refer to the verify-equipment-identity function of the policy attach command.

Deny-unknown (TAU processing)

Displays whether the MME will deny a call if the Equipment Identity Register responds with EQUIPMENT STATUS UNKNOWN to a Mobile Identity Check Request during the TAU procedure. By default, this option is disabled; the MME will allow the call to go through.

To enable this option, refer to the verify-equipment-identity function of the policy attach command.

Allow-ECA timeout (TAU processing)

Displays whether the MME will allow a call to go through if no response is received from an Equipment Identity Register for a Mobile Identity Check Request during the TAU procedure. By default, this option is disabled; the MME will deny this call.

To enable this option, refer to the verify-equipment-identity function of the policy attach command.

Verify Emergency (TAU processing)

Displays whether the MME will query the EIR for equipment status during Emergency TAU processing. By default, this option is disabled.

To enable this option, refer to the verify-equipment-identity option of the policy attach command.

Initial Context Setup Failure- TAU

Displays the behavior of the MME when an initial context failure is received from the eNodeB during the processing of a TAU request. By default, the MME moves the UE to IDLE MODE. The MME can optionally be configured to detach the UE when a specific cause code is returned from the eNodeB. The MME matches this cause code against those defined in the specified "Cause Code Group <name>".

To configure this setting, refer to the initial-context-setup-failure option of the policy tau command.

Initial Context Setup Failure-Svc Req

Displays the behavior of the MME when an initial context failure is received from the eNodeB during the processing of a service request or extended service request. By default, the MME detaches the UE. The MME can optionally be configured to move the UE to Idle Mode when a specific cause code is returned from the eNodeB. The MME matches this cause code against those defined in the specified "Cause Code Group <name>".

To configure this setting, refer to the initial-context-setup-failure option of the policy tau command.

PDN reconnect type

Displays the PDN reconnect type as configured for the MME service. Possible values are multiple, reject, or restart.

Newcall Policy

Indicates whether the policy to handle new call requests for busy-out conditions on MME service is configured or not. If configured, by default it will be set to reject the new calls during busy-out condition.

Policy Overload

The configured policy for system to act on any new session/call request when system is crossing the threshold limits of sessions/calls in an MME service. Possible actions are:

• Drop: Drops the packets incoming with new session requests to avoid overload on MME node

• Reject: Rejects the new session/call request and responds with a reject message when threshold for allowed call session is crossed on MME node

Location Reporting

Displays the configuration of the Location Reporting function for the service. Possible configurations are Enabled or Disabled.

CSG Change Notification

Displays the configuration of Closed Subscriber Group notification to the SGW/PGW for the service. Possible configurations are Enabled or Disabled.

Heuristic Paging

Displays the configuration of the Heuristic Paging function for the service. Possible configurations are Enabled or Disabled.

Heuristic Paging Map

Displays the paging-map that is associated with the MME service.

ISR Capability

Displays the configuration of the Idle mode Signaling Reduction (ISR) feature. Possible configurations are Enabled or Disabled.

Policy Sctp-Down

Displays the configuration of the SCTP-Down policy function for the service. Possible configurations are Detach-UE or Idle-Mode-Entry.

Policy Inter-RAT Indirect Fwd Tunnels

Display whether indirect forwarding is allowed during 3G to 4G handovers. Possible states are Enabled or Disabled. This field shows the configuration of the policy inter-rat indirect-forwarding-tunnels command.

Policy Inter-RAT Ignore SGSN ContextID

Displays whether the MME to configured to ignore any Context-ID mismatch between HSS and HLR and to use the Context-ID from the HSS to override the Context-ID from the source SGSN. If this option is disabled (default), the MME will drop the PDN when there is a Context-ID mismatch. This field shows the configuration of the policy inter-rat ignore-sgsn-context-id command.

Policy Inter-RAT Select Topologic SGW

Displays whether the MME to configured to determine and select the topologically-closest S-GW to the P-GW for Gn/Gp handoff scenarios. This field shows the configuration of the policy inter-rat select-topologic-sgw command.

Policy S1-Reset

Displays the configuration of the S1-Reset policy function for the service. Possible configurations are Detach-UE or Idle-Mode-Entry.

Overcharge Protection

Displays the configuration of the Overcharging Protection feature, either "Not configured" or, when enabled, the configured S1-AP cause code group name.

Relative Capacity

Displays the configuration of the Relative Capacity function for the service. This field displays a number between 0 and 255 representing the weight of the MME to the eNodeB for load balancing pools of MMEs.

Trap S1 Initial Establishment

Displays whether traps will be sent for every initial S1 connection between the MME and the eNodeB. Possible states are Enabled or Disabled.

Trap S1 Path Establishment

Displays whether a trap will be sent when the S1 Path is established.

ENodeB Cache Timeout

Shows the time in minutes the ENodeB information is cached after the ENodeB terminates a connection.

Subscriber Map

Displays the name of the subscriber map associated with the service.

Lte Emergency Profile

Displays the name of the lte emergency profile associated with the mme-service. In order to support LTE emergency services, an lte emergency profile must be configured under lte-policy and be associated with the mme-services.

Network (Across All RATs)

Displays the configuration of the Network policy function for the service. Possible configurations are Dual Addressing Supported or Dual Addressing Not Supported.

Inter-RAT Mapping RNCID to eNBID

Displays the configuration specifying how Inter-RAT Target RNC-ID fields are mapped to Target eNodeB-ID fields. Possible values are maptype-default-includes-only-enb (default) and maptype1-includes-enb-tai.

MME Manager Recovery

Displays the configuration of the MME Manager Recovery function for the service. Possible configurations are Reset S1 Peers or No Reset S1 Peers.

GTPv2 Piggybacking

Displays the configuration of the GTPv2 Piggybacking function for the service. Possible configurations are Enabled or Disabled.

MME Offloading

Specifies if MME offloading is enabled or disabled.

MME Init Release Timeout

The timeout for triggering the IDLE MODE ENTRY procedure with cause "Load balancing TAU required" for UEs that are ECM_CONNECTED.

This field is only visible if MME offloading is enabled.

MME Paging Init Timeout

The timeout for triggering the PAGING procedure for UEs that are ECM_IDLE. After bringing the UE back to ECM_CONNECTED, the IDLE MODE ENTRY procedure is triggered with the cause "Load balancing TAU required".

This field is only visible if MME offloading is enabled.

S1 MME IP QOS DSCP

Displays the diffserv code point marking to be used for sending packets of a particular QoS class between the MME and eNodeB as configured in the MME service.

S1AP SCTP Parameters

SCTP Param Template Associated

Displays the name of the SCTP Parameter Template associated with the service.

SCTP Param Timestamp

Displays the time when the SCTP Parameter Template was associated with the MME service.

SCTP Alpha

Displays the SCTP Retransmission Timeout (RTO) alpha value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Beta

Displays the SCTP Retransmission Timeout (RTO) beta value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Checksum Type

Displays the SCTP checksum type as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section. Possible values are ADLER32 or CRC32.

SCTP Valid Cookie Lifetime

Displays the SCTP cookie lifetime value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Max Assoc Retrans

Displays the maximum number of retransmissions for SCTP associations value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Max Number of In Streams

Displays the maximum number of incoming streams for SCTP value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Init Retransmissions

Displays the maximum number of retransmissions for SCTP initiations value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Max MTU

Displays the maximum Maximum Transmission Unit (MTU) size for SCTP value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Max Number of Out Streams

Displays the maximum number of outgoing streams for SCTP value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Path Retransmissions

Displays the maximum number of retransmissions for SCTP paths value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Min MTU

Displays the minimum Maximum Transmission Unit (MTU) size for SCTP value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP RTO Initial

Displays the initial time for SCTP Retransmission Timeout (RTO) value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP RTO Max

Displays the maximum time for SCTP Retransmission Timeout (RTO) value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP RTO Min

Displays the minimum time for SCTP Retransmission Timeout (RTO) value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Sack Frequency

Displays the frequency for SCTP Selective Acknowledgement value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Sack Period

Displays the period of time for SCTP Selective Acknowledgement value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Start MTU

Displays the initial Maximum Transmission Unit (MTU) size for SCTP value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Heartbeat Status

Displays the SCTP heartbeat status as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section. Possible values are Enabled or Disabled.

SCTP HeartBeat Timer

Displays the SCTP heartbeat timer value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Bundle Status

Displays the SCTP data chunk bundle status as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section. Possible values are Enabled or Disabled.

SCTP Bundle Timer

Displays the SCTP data chunk bundle timer value as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section.

SCTP Alternate Accept Flag

Displays the SCTP additional lifetime accept flag status as configured in the SCTP Parameter Template defined at the beginning of the S1AP SCTP Parameters section. Possible values are Enabled or Disabled.

MSC

Configuration of the SRVCC MSC Server for this MME service. This is the MSC server that the MME will use to interface with for the Sv interface.

MSC selection using DNS will take precedence over locally configured MSCs. MSC address will be used only when DNS-based selection is not configured OR DNS selection fails.

MSC Echo Parameters

Indicates the MSC parameter value for the following:

• interval

• retransmission timeout

• max retransmissions

• reconnect interval

NAS GMM QOS Mapped From

Displays which QOS the MME uses in NAS GMM QoS IE and GTPv1 Context response messages when the subscriber comes to MME via a handover from a GN/GP SGSN.

Possible options are "Native EPS QOS" (default) or "Gn/Gp Peer SGSN QOS". Refer to the MME Service configuration command nas gmm-qos-ie-mapping for more information.

Condition Restricted zone code

Displays the emm-cause-code to be returned to the UE when the UE requests access to a restricted zone.

This field has been renamed to Restricted Zone Code in 15.0 and later releases.

Condition Congestion

Displays the emm-cause-code to be returned to the UE when the system has detected a congestion condition.

This field has been renamed to Congestion in 15.0 and later releases.

Condition Newcall policy restrict

Displays the emm-cause-code to be returned to the UE when the policy restricts new calls.

This field has been renamed to Newcall policy restrict in 15.0 and later releases.

Restricted zone code

Displays the emm-cause-code to be returned to the UE when the UE requests access to a restricted zone during an EMM procedure.

Congestion

Displays the emm-cause-code to be returned to the UE when the system has detected a congestion condition during an EMM procedure.

Newcall policy restrict

Displays the emm-cause-code to be returned to the UE when the policy restricts new calls.

APN mismatch

Displays the emm-cause-code to be returned to the UE when the system has detected an APN mismatch condition during an EMM procedure.

VLR down

Displays the emm-cause-code to be returned to the UE when the system has detected a VLR down condition during an EMM procedure.

VLR unreachable

Displays the emm-cause-code to be returned to the UE when the system has detected a VLR unreachable condition during an EMM procedure.

Auth failure

Displays the emm-cause-code to be returned to the UE when an authentication failure occurs.

PEER NODE unknown

Displays the emm-cause-code to be returned to the UE when peer node resolution is not successful.

CTXT transfer fail SGSN

Displays the emm-cause-code to be returned to the UE when a UE context transfer failure from a peer SGSN occurs.

CTXT transfer fail MME

Displays the emm-cause-code to be returned to the UE when a UE context transfer failure from a peer MME occurs.

HSS unavailable

Displays the emm-cause-code to be returned to the UE when HSS resolution fails in the MME or the HSS does not respond in time.

SGW selection failure

Displays the emm-cause-code to be returned to the UE when a failure occurs during S-GW selection.

PGW selection failure

Displays the emm-cause-code to be returned to the UE when a failure occurs during P-GW selection.

GW unreachable Attach

Displays the emm-cause-code to be returned to the UE when a gateway (S-GW or P-GW) does not respond during an EMM Attach procedure.

GW unreachable TAU

Displays the emm-cause-code to be returned to the UE when a gateway (S-GW or P-GW) does not respond during an EMM TAU procedure.

NO bearers active

Displays the emm-cause-code to be returned to the UE when the context received from a peer SGSN (during a TAU procedure) does not contain any active PDP contexts

APN not supported PLMN-RAT esm-proc

Displays the configured cause code for APN not supported PLMN-RAT in esm-proc.

APN not supported PLMN-RAT Attach

Displays the configured cause code for APN not supported PLMN-RAT for attach requests.

APN not supported PLMN-RAT TAU

Displays the configured cause code for APN not supported PLMN-RAT for TAU requests.

S13-additional-id-check:

Displays the configuration for the S13 Additional IMEI check ID feature, which is disabled by default. The following fields the feature is configured to be performed during the listed UE procedure(s).

Attach:

Indicates if S13 Additional IMEI checking is to be performed during UE attaches.

TAU:

Indicates if S13 Additional IMEI checking is to be performed during tracking area updates.

Handover:

Indicates if S13 Additional IMEI checking is to be performed during UE handovers.

Extended DRX:

H-SFN Start

Displays the start time at which H-SFN=0 starts in the GPS or UTC time format. The UTC time format is YYYY:MM:DD:hh:mm:ss. For example: 2016:03:01:12:34:56.

H-SFN UTC Reference

Displays the reference time at which H-SFN=0 starts in the UTC time format YYYY:MM:DD:hh:mm:ss. For example: 1982:1:1:1:1:1.

Adjusted time

Displays the number of leap seconds configured.

SGW Blacklist Parameters

Specifies the configured S-GW Blacklist parameters.

timeout

Specifies the period of time the blacklisted S-GW cannot be used for call procedures. The timeout value is an integer ranging from 5 to 86400 seconds.

msg-timeouts-per-min

Specifies the configured number of message timeouts to wait, before blacklisting an S-GW locally in a session manager instance. Only Create Session Response timeout is considered. The number of messages is an integer ranging from 1 to 5000.

S1 UE Retention

S1 UE Retention

S1 UE Retention Timer

Specifies the timer value for retaining an SCTP association.

DDN Delay Value

Specifies the downlink-data-notification delay value in multiples of 50 milliseconds.

EPS Network

5GS to EPS handover using N26 interface

When this feature is enabled under N1 mode, the MME allows 5GS-EPS interworking with N26 interface.

Peer AMF GUAMI

Configures Globally Unique AMF Identifier for this Peer.

Peer AMF TAI

Configures 5GS Tracking Area Information match for this Peer AMF.

DB Record State

Displays the current state of the db record:

Integrity Algorithm

Displays the integrity algorithm applied for security procedures for this subscriber:

Encryption Algorithms

Displays the encryption algorithm applied for security procedures for this subscriber.

Call ID

The unique call identifier value stored for a subscriber in MME database record as lookup key. Call identity is an 8 digit hex number of attached call to an MME service. Call-id will be zero if the db record is not bound to an attached call.

IMSI

The IMSI (International Mobile Subscriber Identity) value stored for a subscriber in MME database record as lookup key.

GUTI

REALLOCATED GUTI

This parameter displays the reallocated GUTI if the reallocated GUTI is pending acknowledgement from UE.

Sessmgr Instance

The instance of the running Session Manager that serves this MME database.

MME Service

The name of the MME service associated with the database record.

Lookup Keys

This group displays the various lookup key information stored in MME database record for specific Session Manager instance.

IMSI

The IMSI (International Mobile Subscriber Identity) value stored for a subscriber in MME database record as lookup key. IMSI includes the Mobile Country Code (MCC) and Mobile Network Code (MNC).

Service-id

The system-generated service ID number.

GUTI

Call-ID

The unique call identifier value stored for a subscriber in MME database record as lookup key. Call identity is an 8 digit hex number of attached call to an MME service. Call-id will be zero if the db record is not bound to an attached call.

Subscription Data

This group lists the subscription data available in database record for subscriber.

IMEI

The International Mobile Equipment Identity (IMEI) value stored for a subscriber in MME database record as subscription data of that subscriber.

MSISDN

The MSISDN value stored for a subscriber in MME database record as subscription data of that subscriber.

Context Identifier

Context-identifier sent by the HSS. This represents the default APN.

RFSP Index

Indicates the RAT/Frequency Selection Priority (RFSP) Index sent by the HSS and used to identify a specific Radio Resource Management (RRM) configuration.

Charging characteristic

Indicates the charging characteristics for this subscriber sent by the HSS, for example: normal, prepaid, flat rate.

APN OI Replacement

Indicates the domain name to replace the APN OI when constructing the PDN-GW FQDN upon which to perform DNS queries. This replacement applies for all the APNs in the subscriber's profile.

Oper Determined Barring

Indicates that the status of the operator determined barring.

ICS Indicator

The IMS Centralized Services indicator set in the ULA, either (0) false/disabled, or (1) true/enabled.

CSG IDs

A list of all CSG IDs from the subscription data.

Max Req Bandwidth UL

The maximum bandwidth requested for upload for this UE (UE_AMBR_UL).

Max Req Bandwidth DL

The maximum bandwidth requested for download for this UE (UE_AMBR_DL).

EMM backoff Expiry Time

Displays the configuration of the extended t3346 timer.

Subscribed Periodic RAU TAU Timer Value

Displays the configuration of the extended t3412 timer.

ARD:

The following fields display either 'True' or 'False' to indicate configured subscriber ARD values received from the HSS.

UTRAN-not-allowed

True or False

GERAN-not-allowed

True or False

GAN-not-allowed

True or False

I-HSPA-Evolution-not-allowed

True or False

E-UTRAN-not-allowed

True or False

HO-To-Non-3GPP-Access-not-allowed

True or False

Dual-connectivity-NR-not-allowed

Displays True or False to identify if the ARD received from HSS indicates the DCNR feature is allowed for the given IMSI or not.

NR-in-5GS-Not-Allowed

Displays True or False.

Core Network Restrictions

This group displays core network restrictions data stored in MME database record.

5GC-not-allowed

Displays Trure or False.

Trace Data

This group displays trace data if it is provided as part of the UE subscription data from the HSS.

For information about the trace data provided, refer to section 5 of 3GPP TS 32.422.

APN Config

This group displays the APN configuration data stored in MME database record.

Service Selection

The name of the APN selected.

Max Req Bandwidth UL

The maximum bandwidth requested for upload for this APN.

Max Req Bandwidth DL

The maximum bandwidth requested for download for this APN.

QoS Class Id

The QoS Class Identifier (QCI) configured for this APN. If the MME has not received the QCI from the HSS, "Not Available" will be displayed.

Priority level

The traffic priority level configured for this APN.

Context Identifier

The context identifier where APN is configured.

VPLMN Dynamic ADDR allowed

Indicates whether dynamic address is allowed for visiting PLMN or not.

3GPP-Chrg Characteristics

The configured charging characteristics for this APN.

PDN-GW Name

The name of the P-GW where this APN is configured.

PDN-GW Realm

The realm of the P-GW which contains the configuration for this APN.

PDN-GW Address

The IP address of the P-GW which contains the configuration for this APN.

APN Restoration Priority

Displays the priority for reactivating impacted PDNs following a P-GW Restart Notification (PRN) where 1 is highest priority, 16 is lowest.

Interworking 5GS Indicator

Indicates whether the Interworking 5GS indicator is subscribed or not subscribed.

UE Tracking Information: Last Reported 5 eNBs (most recent first)

The following information is reported per eNB:

UE Tracking Information: Last Reported 7 ECGIs (most recent first)

The following information is reported per ECGI:

HSS-DB Data

This group displays HSS Database data information.

HSS Update Type

Displays the update type the MME must respond to when the HSS makes a request for UE reachability when the UE moves from idle-mode to connected mode.

Possible update types are:

Cancel Location Request and Reset Request have a higher precedence then Notify Request, hence an Update Location Request is sent if a Cancel Location Request or Reset Request is received after a Notify Request, and a Notify Response is not sent.

This group shows information about the last known location of the UE that was derived using the E-SMLC. Refer to 3GPP TS 29.171 for more details about the information provided.

Provides the Geographic Area information reported for this UE.

Type: The Geographic Area Description (GAD) reported.

Co-ordinates: Displays the geographical coordinates of the UE.

Displays the following location estimate information for the UE:

Type: Reserved, Reserved-n/w specific methods, Reserved-other technologies, CellId, E-CID, OTDOA, or U-TDOA.

Result: Displays whether the positioning method was attempted successfully or unsuccessfully.

Used for computation: Yes or No.

Displays the following location estimate information provided by the Global Navigation Satellite System (GNSS):

Method: Displays the positioning method used, such as Conventional, UE-Assisted, or UE-Based, or Reserved.

Type: For example: Galileo, GLONASS, GPS, QZSS, Modernized GPS, SBAS, or Reserved.

Result: Displays whether the positioning method was attempted successfully or unsuccessfully.

Used: Displays whether the information reported was used: Yes, No, Multiple methods used, Cannot be determined, or Used to verify, but not to generate location.

Horizontal: The reported Bearing and Velocity in kilometers per hour.

Vertical: The reported Speed and Direction of travel (upward or downward).

The uncertainty of the reported speed. The value gives the uncertainty speed in increments of 1 kilometer per hour, except for N=255 which indicates that the uncertainty is not specified.

The uncertainty of the reported speed. The value gives the uncertainty speed in increments of 1 kilometer per hour, except for N=255 which indicates that the uncertainty is not specified.

Indicates if the requested accuracy is fulfilled, either Yes or No.

REALLOCATED GUTI

This group displays reallocated GUTI if the reallocated GUTI is pending acknowledgement from UE.

PLMN

Value of PLMN within the GUTI.

MME Group ID

Value of MME Group Id within the GUTI.

MME Code

Value MME Code within the GUTI.

M-TMSI

Value MTMSI within the GUTI.

GUTI Allocated time

Last GUTI allocated timestamp. This refers to reallocated GUTI time stamp if the Reallocated GUTI is being displayed.

Total DB record allocated

The total number of database records allocated to MME calls/UE.

Total DB record reactivated

The total number of database records for reactivated MME sessions.

Total DB record detached

The total number of database records for detached MME sessions.

Total DB record purged

The total number of database records for purged MME sessions.

Purge Type

This group The database record statistics for purged session of various types.

Timeout

The total number of sessions purged due to Timeout reason.

DB record limit reached

The total number of sessions purged due to database record limit crossed.

UE not connected

The total number of sessions purged as UE was not connected.

HSS initiated

The total number of sessions purged where purging was initiated by HSS.

IMSImgr initiated

The total number of sessions purged where purging was initiated by IMSI manager.

Others

The total number of sessions purged where purging was happened due to reasons other than listed in this table.

Current DB record count

The total record count in database including all states.

State Connecting

The total record count in database in connecting state.

State Connected

The total record count in database in connected state.

State Detached

The total record count in database in detached state.

MMEMgr

The instance number MME Manager for which the information are displayed here.

Peerid

The identifier of peer MME of which statistic are displayed.

Global ENodeB ID

The global eNodeB identifier which is associated with this peer node.

Assoc Uptime

The uptime of the association between the MME and the eNodeB.

The format is 0000d00h00m (where d= day, h=hour, m=minutes) when h > =24 hrs, otherwise it will be displayed as 00h00m00s.

eNodeB Name

The eNodeB name as reported by the eNodeB.

eNodeB Type

The NodeB type, either Home or Macro, as reported by the eNodeB.

(HeNB-GW) is listed if this is a Home eNodeB Gateway.

MME Service Name

The name of the MME service running on peer node.

MME Service Address

The IP address which is used by MME service to connect with eNodeB.

MME Service Port

The port number which is used by MME service to connect with eNodeB.

eNodeB Port

The port number of eNodeB which is used by eNodeb to associate with MME service.

eNodeB IP Address(s)

The IP address of eNodeB which is used by eNodeb to associate with MME service.

Crypto-map Name

The name of the crypto map supporting this EnodeB association.

Paging DRX

The paging discontinuous reception set for paging procedure between eNodeB and MME.

Supported TAI(s)

The id of supported Tracking Area Identifier of which this eNodeB and MME belongs too. The Tracking Area Identity is constructed from the MCC (Mobile Country Code), MNC (Mobile Network Code) and TAC (Tracking Area Code).

CSG ID(s)

The closed subscriber groups Ids supported per eNodeB association with an MME service.

A Closed Subscriber Group is a collection of cells within an eUTRAN and UTRAN that are open to only a certain group of subscribers.

Within a PLMN, a Closed Subscriber Group is identified by a Closed Subscriber Group Identity (CSG-ID). The CSG ID shall be fix length 27 bit value.

S1 Paging Rate Limit

The S1 paging rate limit for the eNodeB as configured using the network-overload-protection mme-tx-msg-rate-control enb s1-paging command.

Path Source IP Address

The local MME address to establish the path towards VLR. In case of multiple addresses, the addresses will be shown as separated by space character.

Path Destination IP Address

The VLR (peer) address in the association. In case of multiple addresses, the addresses will be shown as separated by space character.

Path State

The state of the path (Up/Down) based on Heartbeat exchanged over the path.

Flow Id

The flow Id assigned by NPU manager to the path over which the packet will reach the MME manager. This flow ID will be in the range of Flow space created for specific application.

Total MME S1AP IDs

The number of MME-assigned session identifiers between the MME and the eNodeB on the S1AP interface.

Total eNB S1AP IDs

The number of eNodeB-assigned session identifiers between the eNodeB and the MME on the S1AP interface.

Service name

The name of the MME service configured and running on the system.

Context

The name of the VPN context in which MME service configured and running on the system.

Status

Indicates whether MME service is started or not.

Access Policy

Displays the configured access-policy name.

If access-policy is not associated with mme-service, this field displays "Not Defined".

Cell Tracing

Indicates whether realtime cell tracing is enabled or disabled.

Trace Extension

Indicates whether cell trace extension is enabled or disabled.

Non-Broadcast TAI

Displays the configured values for MCC, MNC, and TAC.

DCNR

Indicates whether the DCNR feature is enabled or disabled at MME service.

UE Usage Type

Configures UE usage type for disconnecting PDN for up service area

Co-located Node

Configures the collocated node name to select the collocated SPGW node IP addresses.

Current Offload Status

Current offload status of the specified mme-service. Possible values are Not Started, In Progress and Completed.

Implicit Detach Status

The Implicit Detach Status specified in the mme offload command. When enabled, if the UE context is not transferred to another MME within 5 minutes then it will be implicitly detached.

Preserve VoLTE subscribers Status

Is displayed as “Enabled” when the keyword preserve-volte-subscribers is configured in the mme offload command. The status is displayed as “Disabled”, when VoLTE preservation is not configured. By default VoLTE preservation is disabled.

Time Duration Requested

The time-duration value specified in the mme offload command (in seconds). This is the maximum allowed time for the offload procedure to complete.

Percentage of Subscribers Requested

The offload-percentage specified in the mme offload command (specified as a percentage of all UEs on this mme-service).

Total Number of Subscribers

The total number of UEs on the specified mme-service.

Total Number of Subscribers Marked for Offloading

Displays the total number of subscribers marked for offloading during the current MME offload.

Total Number of Subscribers to be Offloaded

Total number of UEs on the specified mme-service selected for offloading.

Total Cumulative Number of Subscribers Offloaded

Displays the cumulative count of subscribers offloaded.

Total Number of VoLTE Subscribers Preserved

Displays the number of preserved VoLTE subscribers during and after MME offload.

Total Cumulative Number of VoLTE Subscribers Preserved

Displays the total numbers of subscribers preserved before starting the offload timer when the mme offload command is executed.

Total Number of Subscribers Offloaded

The total number of UEs which have been successfully offloaded from this mme-service (UE offloading State/Event = Done).

Total Number of Subscribers Received Context Transfer

Total number of UEs which has been successfully context transferred to another MME.

Remaining Time

The number of seconds remaining to complete the offload procedure.

Attach Type

Display the attach type that the subscriber is using. The possible access types are:

• A: Initial EPS

• B: Combined EPS IMSI

• C: Handover EPS

• D: Combined Handover EPS IMSI

Security Status

Displays the security status of the session. The possible call states are:

• A: No Integrity Check, No Ciphering

• B: Integrity Check, No Ciphering

• C: Integrity Check, Ciphering

ESM State

Displays the ESM state of the session. The possible call states are:

• C: Connected

• I: Idle

IKEv2/IPSec

Displays if IPSec is used during the session.

CALLID

The EPS subscriber's call identity in 8 digit hex number of connected call to an MME service.

MSID

Displays the EPS subscriber's mobile station identification (MSID) number.

Num PDNs

Displays the total number of PDNs connected for a UE in this session.

Num Bearers

Displays the total number of bearers activated for a UE in this session.

Username

Displays the EPS subscriber's username.

Callid

The EPS subscriber's call identity in 8 digit hex number of connected call to an MME service.

MSID

Displays the EPS subscriber's mobile station identification (MSID) number.

EMM Events

This group displays the statistics of all Evolved Mobility Management (EMM) events associated with all MME services on the system.

Authentications

This group displays the all EMM authentication attempts/successes/failures with EMM events associated with all MME services on the system.

Attempted

The total number of EMM authentication attempts made for all MME services on the system.

Success

The total number of successful EMM authentication attempts for all MME services on the system.

Failures

The total number of failed EMM authentication attempts for all MME services on the system.

Tracking Area Update Events

This group displays the all tracking area update (TAU) event attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of EMM TAU attempts made for all MME services on the system.

Success

The total number of successful EMM TAU attempts for all MME services on the system.

Failures

The total number of failed EMM TAU attempts for all MME services on the system.

ECM Events

This group displays the statistics of all EMM Control Management (ECM) events associated with all MME services on the system.

Idle Mode Entry Events

This group displays the all idle mode entry event attempts/successes/failures associated with all MME services on the system.

Service Request Events

This sub-group displays the ECM service request event attempts/successes/ failures associated with all MME services on the system.

UE Requested Service Request Events

This group displays the ECM service request event attempts/successes/failures which have been requested by the UE for all MME services on the system.

NW Initiated Service Request Events

This group displays the ECM service request event attempts/successes/failures which have been initiated by the network for all MME services on the system.

Paging Initiation Events

This group displays the all paging initiation event attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for specific ECM event associated with all MME services on the system.

Success

The total number of successful attempts for specific ECM event associated with all MME services on the system.

Failures

The total number of attempts failed for specific ECM event associated with all MME services on the system.

ESM Events

This group displays the statistics of all EPS Session Management (ESM) events associated with all MME services on the system.

PDN Connections

This group displays the all statistics for PDN connection attempts/successes/failures associated with all MME services on the system.

PDN Disconnections

This group displays the all statistics for PDN disconnection attempts/successes/failures associated with all MME services on the system.

Default Bearer Activation

This group displays the all statistics of all default EPS bearer activation attempts/successes/failures associated with all MME services on the system.

NW Initiated Dedicated Bearer Activation

This group displays the all statistics of all network-initiated dedicated EPS bearer activation attempts/successes/failures associated with all MME services on the system.

UE Initiated Dedicated Bearer Activations

This group displays the all statistics of all UE-initiated dedicated EPS bearer activation attempts/successes/failures associated with all MME services on the system.

PGW/SGW Initiated Bearer Deactivations

This group displays the all statistics of all P-GW/S-GW-initiated EPS bearer deactivation attempts/successes/failures associated with all MME services on the system.

MME Initiated Bearer Deactivations

This group displays the all statistics of all MME-initiated EPS bearer deactivation attempts/successes/failures associated with all MME services on the system.

UE Initiated Bearer Deactivations

This group displays the all statistics of all UE-initiated EPS bearer deactivation attempts/successes/failures associated with all MME services on the system.

PGW/SGW Initiated Bearer Modifications

This group displays the all statistics of all P-GW/S-GW-initiated EPS bearer modification attempts/successes/failures associated with all MME services on the system.

HSS Initiated Bearer Modifications

This group displays the all statistics of all HSS-initiated EPS bearer modification attempts/successes/failures associated with all MME services on the system.

UE Initiated Bearer Modifications

This group displays the all statistics of all UE-initiated EPS bearer modification attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for specific ESM event associated with all MME services on the system.

Success

The total number of successful attempts for specific ESM event associated with all MME services on the system.

Failures

The total number of attempts failed for specific ESM event associated with all MME services on the system.

Handover Events

This group displays the statistics of all handover events associated with all MME services on the system.

X2-based handovers

This group displays the all X2-based (intra-MME) handover attempt/success/failure events associated with all MME services on the system.

S1-based handovers

This group displays the all S1-based (Inter-MME) handover attempt/success/failure events associated with all MME services on the system.

Attempted

The total number of attempts made for specific EPS handover event associated with all MME services on the system.

Success

The total number of successful attempts for specific EPS handover event associated with all MME services on the system.

Failures

The total number of attempts failed for specific EPS handover event associated with all MME services on the system.

Total NAS Control Messages

This group displays the statistics of all NAS control messages sent or received by an MME services on the system.

Sent

This sub-group displays the statistics of all NAS control messages sent by an MME services on the system.

Clear-text messages

The total number of NAS control messages with "clear-text" flag received by all MME services on the system.

Integrity-check enabled

The total number of NAS control messages with "Integrity-Check Enabled" flag received by all MME services on the system.

Ciphered messages

The total number of NAS control messages with "Ciphered" flag received by all MME services on the system.

Retransmissions sent

The total number of NAS control messages with "retransmission-sent" flag sent by all MME services on the system.

Failures

The total number of NAS control messages with "failure" flag sent by all MME services on the system.

Received

This sub-group displays the statistics of all NAS control messages received by an MME services on the system.

Clear-text messages

The total number of NAS control messages with "clear-text" flag received by all MME services on the system.

Integrity-check enabled

The total number of NAS control messages with "Integrity-Check Enabled" flag received by all MME services on the system.

Ciphered messages

The total number of NAS control messages with "Ciphered" flag received by all MME services on the system.

Accepted

The total number of NAS control messages received with "Accepted" flag by all MME services on the system.

Discarded

The total number of NAS control messages received with "Discarded" flag by all MME services on the system.

Denied

The total number of NAS control messages received with "Denied" flag by all MME services on the system.

Decode failures

The total number of NAS control messages received with "Decode failure" flag by all MME services on the system.

SessMgr Instance

The Session Manager instance managing this session.

MSID

The UE identity (MS Identity) of connected subscriber to an MME service, and whether the subscriber is unauthenticated (such as during emergency attach).

Callid

The call identity in 8 digit hex number of connected call to an MME service.

MME Service

The name of the serving MME service of which information is displayed.

MME HSS Service

The name of the serving MME-HSS service which is used for AAA for this subscriber with HSS on S6a interface.

EGTP S11 Service

The name of the serving eGTP service which is used for connectivity between MME and S-GW on S11 interface.

MME S1 Address

The IP address of MME used for connecting with eNodeB on S1-MME interface.

EGTP S11 Address

The IP address assigned to eGTP service which is used for connectivity between MME and S-GW on S11 interface.

ME Identity

The mobile equipment identity of connected UE.

GUTI

The Globally Unique Temporary Identifier (GUTI) used for this subscriber session. GUTI is constructed with following identifiers:

• PLMN (MMC and MNC)

• MME Group ID (MMEGI)

• MME Code (MMEC)

• MME TMSI (M-TMSI)

MSISDN

The Mobile Station International ISDN Number (MSISDN) of connected EPS subscriber to an MME service.

EMM State

The status of EPS Mobility Management (EMM) session of connected subscriber. Possible status are:

• Registered

• Connected

ECM State

The status of EPS Connection Management (ECM) session of connected subscriber. Possible status are:

• Registered

• Connected

• Idle

Attach type

Indicate the type of UE attachment of active subscriber to MME service, for example: Emergency or Initial EPS.

Active SGW S11 Addr

The IP address of S-GW connected to MME on S11 interface.

SGW Control TEID

Displays the TEID of the S-GW currently serving the UE.

UE Offloading

Displays the UE offload state for load rebalancing. Possible values are None, Marked, In-Progress and Done.

UE Reachability Timer

The configured value of the mobile reachability timer set for tracking UE in EMM session.

Remaining Time

The remaining time in seconds out of the configured value of the mobile reachability timer in the EMM session.

Paging Proceed Flag (PPF)

The current state of the Paging Proceed Flag indicating whether or not the UE is sending periodic TAUs within the span of the mobile reachability timer. If the UE fails to send a TAU within the timer value, this flag is set to "Paging Disabled" indicating that the MME is no longer paging the UE.

ISR Status

Displays if the session is using Idle mode Signaling Reduction (ISR). Possible configurations are Activated or Not activated.

Low Access Priority Indication

Displays whether this session has LAPI indicator in any of attach/extended service/TAU/bearer resource allocation/bearer resource modification/PDN connectivity requests.

Initial UE establishment cause

Displays the establishment cause as set in the Initial UE message: Delay Tolerant Access / High Priority Access / Emergency / MT-Access / Unknown

Peer SGSN

Displays the IP address of the SGSN which has a context for this UE in support of Idle mode Signaling Reduction (ISR). A Peer SGSN address is only shown when ISR is activated for this session.

UE Capability Information

This group shows the UE Capability information for connected UE received by an MME service.

Radio Capability

The radio capability information received by an MME service for connected UE in UE capability exchange message.

Radio Capability for Paging

The radio capability information received by an MME service for paging the UE.

This field displays the value in hexadecimal format if the UE receives "UE Radio Capability for Paging" IE in S1 "UE-CAPABILITY-INFO-INDICATION" message from eNB. Otherwise, this field displays N/A.

Supported Codec List

The Supported Codec List information received by an MME service for connected UE in UE capability exchange message.

Mobile Station Classmark 2

The Mobile Station Classmark 2 information received by an MME service for connected UE in UE capability exchange message.

Mobile Station Classmark 3

The Mobile Station Classmark 3 information received by an MME service for connected UE in UE capability exchange message.

Security Mode Information

This group shows the status of NAS integrity check and NAS ciphering along with applicable algorithm as security mode information. It contains following information:

• NAS Integrity Check

• NAS Integrity Check Algorithm

• NAS Ciphering

• NAS Ciphering Algorithm

Active ENodeB information

This group shows the information of active eNodeB serving to this session.

Global ENodeB ID

The global identifier of active eNodeB serving to this session.

S1AP End Point

The IP address used by eNodeB on S1AP interface to connect with MME service.

Crypto-map Name

The name of the crypto map supporting this EnodeB association.

MME UE S1AP ID

Indicates the session identifier between MME and UE on S1AP interface serving to this session.

ENodeB UE S1AP ID

Indicates the session identifier between eNodeB and UE on S1AP interface serving to this session.

MME UE S1AP ID (stack):

Indicates up to three MME UE S1AP session identifiers present in this S1AP stack.

ENodeB UE S1AP ID (stack):

Indicates up to three eNodeB UE S1AP session identifiers present in this S1AP stack.

Total S1AP ID (stack)

Indicates the total count of S1AP session identifiers present in the stack.

Idle Mode Information Data

This group shows the information for the sessions in ECM idle mode.

Last TAI

Tracking Area Identity of the last Tracking Area visited by UE.

Last ECGI

E-UTRAN Cell Global Identifier of the last Cell visited by UE.

Last Connected ENodeB

Displays information about the ENodeB to which the session was last connected.

• Global ENodeB ID: Global ENodeB Identifier of the ENodeB to which the UE last connected.

• S1AP End Point: End Point IP Address of the ENodeB to which the UE last connected.

UE Subscription Data

This group shows the subscribed aggregate maximum bit rate applicable for connected UE in this session.

UE-UL-AMBR

The subscribed aggregate maximum bit rate in bits per second in upload traffic for connected UE in this session.

UE-DL-AMBR

The subscribed aggregate maximum bit rate in bits per second in download traffic for connected UE in this session.

Enforced UE-UL-AMBR at eNodeB

The enforced aggregate maximum bit rate in bits per second in upload traffic for connected UE at eNodeB in this session.

Enforced UE-DL-AMBR at eNodeB

The enforced aggregate maximum bit rate in bits per second in download traffic for connected UE at eNodeB in this session.

PDN Information

This group shows the information of PDNs connected for this session.

APN Name

The APN name which is serving for this PDN in this session.

UE Requested APN

Displays the UE requested APN with non-standard characters in hexadecimal format and standard characters in normal string format.

APN Restriction

The total number of APN restriction applied to this PDN.

PDN Type

The type of PDN (IPv4 and/or IPv6) which is serving in this session for PDN.

PGW Address

The IP address of the P-GW which is serving this session for connected PDN.

PGW control TEID

The control tunnel end identifier at P-GW on S5/S8 interface for control messaging serving to this session.

UE IPv4 Address

The IP address allocated to UE while connected to PDN in this session.

APN-UL-AMBR

The applicable aggregate maximum bit rate in bits per second in upload traffic for APN serving this PDN.

APN-DL-AMBR

The applicable aggregate maximum bit rate in bits per second in download traffic for APN serving this PDN.

Bearer Suspension State

The current suspension state of the bearer.

CSG Cell Change Notification

Displays CSG Information Reporting as specified by the PGW. If enabled, the MME sends notification when the UE enters or leaves a closed CSG cell.

CSG Subscribed Hybrid Cell Change Notification

Displays CSG Information Reporting as specified by the PGW. If enabled, the MME sends notification when the UE enters or leaves a hybrid cell as a subscribed member of the CSG in question.

CSG Unsubscribed Hybrid Cell Change Notification

Displays CSG Information Reporting as specified by the PGW. If enabled, the MME sends notification when the UE enters or leaves a hybrid cell with unsubscribed (non-member) status of the CSG in question

Marked for Deletion

Displays whether the PDN has marked for deletion flag set.

APN Restoration Priority

Displays the priority for reactivating impacted PDNs following a P-GW Restart Notification (PRN) where 1 is highest priority, 16 is lowest.

Low Access Priority Indication

Displays whether this PDN has LAPI indicator set as received in PDN connectivity requests.

Bearer Id

The identifier used for bearer between eNodeB and S-GW while connected to PDN in this session.

QCI

The quality class identifier applicable for this MME session.

AMBR

The applicable aggregate maximum bit rate in bits per second in download/upload direction for APN serving this PDN.

S1U ENodeB TEID

Indicate the tunnel end identifier at eNodeB on S1-U interface serving to this session.

S1U SGW TEID

Indicate the tunnel end identifier at S-GW on S1-U interface serving to this session.

S5S8 PGW TEID

Indicate the tunnel end identifier at P-GW on S5/S8 interface serving to this session.

S1U ENodeB IPv4 Addr

Indicate the IPv4 address used at eNodeB while connecting to S-GW on S1-U interface serving to this session.

S1U ENodeB IPv6 Addr

Indicate the IPv6 address used at eNodeB while connecting to S-GW on S1-U interface serving to this session.

S1U SGW IPv4 Addr

Indicate the IPv4 address used at S-GW while connecting to eNodeB on S1-U interface serving to this session.

S1U SGW IPv6 Addr

Indicate the IPv6 address used at S-GW while connecting to eNodeB on S1-U interface serving to this session.

S5S8 PGW Addr

Indicate the IP address used at P-GW while connecting to S-GW on S5/S8 interface serving to this session.

ESM State

The EPS session Management status serving to this session.

Bearer Type

The type of bearer used for this session. Possible values are:

• Default

• Dedicated

ARP

The Allocation Retention Priority value assigned to the bearer. The HSS assigns the value for default bearers and the P-GW assigns it for dedicated bearers.

PCI

Specifies the ARP Pre-emption Capability Indicator, either Enabled or Disabled.

PVI

Specifies the ARP Pre-emption Vulnerability Indicator, either Enabled or Disabled.

PGW-C+SMF Selected

Specifies that Combined PGW-C/SMF selection indicator, either Yes or No.

Marked for Deletion

Displays whether the bearer has marked for deletion flag set.

Total PDNs

The total number of PDNs connected through this session for a subscriber.

Total Bearers

The total number of bearers created for UE to use in this session.

Max APN Restrictions

The maximum number of APN restrictions applied to this PDN.

Tracking Area Information

This group displays the tracking area information available for this session.

TAI of last TAU

The tracking area identifier used in last Tracking Area Update (TAU) message received for TAU procedure in this session.

Current Tracking Area List

The tracking area list used for TAU procedure in this session.

CSG Information

This group displays Closed Subscriber Group information relating to this session.

CSG ID at Last Connection

Displays the CSG ID for this session. This is a unique identifier within the scope of PLMN which identifies a Closed Subscriber Group (CSG) in the PLMN.

CSG Cell Type

Displays the Closed Subscriber Group cell access mode (type) for this session, either Closed or Hybrid.

CSG Membership Status

Displays if the session is a member of the cell's CSG. Possible values are Member or Non-Member.

Operator Policy Association

The operator policy associated with this PDN.

CSFB Information

This group displays the Circuit-Switched Fall Back configuration associated with the session.

SGS Assoc State

The state of the SGs association with the VLR for the UE as determined by the MME. Possible states are:

• SGs-NULL: Specifies that there is no SGs association with the VLR for the UE. In this state, no fields in this group will display information.

• LA_UPDATE_REQUESTED: Specifies that the MME has requested an update location from the VLR before sending a response to the UE

• SGs-ASSOCIATED: Specifies that the MME has stored an SGs association for the UE.

SGS Service

The name of the configured SGs service associated with the session.

VLR

The name of the VLR, as configured in the SGs service, associated with the session.

LAI

The Location Area Identifier to which the UE is mapped.

Pool Area

The name of the configured Location Area Code (LAC) pool area associated with the SGs service and the session.

P-TMSI

The Packet-Temporary Mobile Subscriber Identifier allocated by the MSC for the UE.

Flags

The current active variables associated with the UE. Possible states are:

• SMS-Only: Specifies that the UE is combined attached for SMS services only.

• MME Reset Indicator: Specifies that the MME has restarted after a failure.

• VLR Reliable Indicator: Specifies that the MME has received a reset indication from the VLR.

• VLR Offload: Specifies that the UE is set to offload state.

• Non-EPS Alert: Specifies that the VLR is requesting from the MME an indication when any signaling activity from the UE is detected.

CIoT Optimisation Information

Displays the CIoT optimization information.

NB-IoT RAT

Displays if the RAT type NB-IoT is either enabled or disabled.

Attach Without PDN Support

Displays if attach without PDN support is either enabled or disabled.

UE capable of operating in CE-mode-B

Displays "TRUE" or "FALSE" to indicate if UE is operating in CE Mode-B.

Access Profile Association

Displays the configured access-profile name.

DECOR Information:

UE Usage type

Displays the configured UE usage types.

DCN Id

Displays the configured DCN identifier.

UE DC-NR Information:

DC-NR capable UE

Indicates whether the UE is DCNR capable.

DC-NR operation allowed

Indicates whether the DCNR operation is allowed by MME for the DCNR capable UE.

UE N1-Mode Information

N1-mode capable UE

Indicates whether the UE N1 mode information is allowed by MME for the N1-mode capable UE.

Total connected sessions

The total number of MME sessions in ECM-CONNECTED mode.

Total idle-mode sessions

The total number of MME sessions in ECM-IDLE mode.

Total attached sessions

The total number of sessions attached to this MME.

Total LAPI sessions

The current number of sessions with LAPI indicator set.

Total connected PDNs

The total number of PDNs associated with UEs in ECM-CONNECTED mode.

Total idle-mode PDNs

The total number of PDNs associated with UEs in ECM-IDLE mode.

Total attached PDNs

The total number of PDNs present in this MME.

Total IPv4 PDNs

The total number of PDNs with IPv4 addresses.

Total IPv6 PDNs

The total number of PDNs with IPv6 addresses.

Total IPv4+IPv6 PDNs

The total number of PDNs with dual addressing.

Total connected dedicated bearers

The total number of dedicated bearers associated with UEs in ECM-CONNECTED mode.

Total idle-mode dedicated bearers

The total number of dedicated bearers associated with UEs in ECM-IDLE mode.

Total attached dedicated bearers

The total number of dedicated bearers present in this MME.

Total combined-attached subscribers

The total number of MME sessions which are both PS and CS attached.

Total EPS-only attached subscribers

The total number of MME sessions which are PS attached only.

Total ISR-activated sessions

The total number of MME sessions which are activated for ISR.

Node Level

Specifies the number of Blacklisted SGWs at a Node Level.

Instance Level

Specifies the number of Blacklisted SGWs at a Node Level.

SGW IP

Specifies the IP Address of the Blacklisted SGW.

Blacklist Type

Specifies if the Blacklist Type is either Node level or Instance level.

Expiry Timestamp

Specifies the SGW blacklisting expiry time.

Blacklist Time left

Specifies the time left for SGW blacklisting.

SCTP Statistics

Transmitted SCTP Data

This sub-group displays the statistics of the total data processed and transmitted over Stream Control Transmission Protocol (SCTP) interface by this MME manager.

Init Chunks

The total SCTP packets with INIT transmitted over SCTP interface by this MME manager.

Init Ack Chunks

The total SCTP packets with INIT-ACK transmitted over SCTP interface by this MME manager.

Shutdown Chunks

The total SCTP packets with SHUTDOWN transmitted over SCTP interface by this MME manager.

Shutdown Ack Chunks

The total SCTP packets with SHUTDOWN-ACK transmitted over SCTP interface by this MME manager.

Cookie Chunks

The total SCTP packets with COOKIE transmitted over SCTP interface by this MME manager.

Cookie Ack Chunks

The total SCTP packets with COOKIE-ACK transmitted over SCTP interface by this MME manager.

Data Chunks

The total SCTP packets with DATA transmitted over SCTP interface by this MME manager.

Data Ack Chunks

The total SCTP packets with DATA-ACK transmitted over SCTP interface by this MME manager.

Shutdown Complete Chunks

The total SCTP packets with SHUTDOWN-COMPLETE transmitted over SCTP interface by this MME manager.

Heartbeat Chunks

The total SCTP packets with HEARTBEAT transmitted over SCTP interface by this MME manager.

HeartBeat Ack Chunks

The total SCTP packets with HEARTBEAT-ACK transmitted over SCTP interface by this MME manager.

Abort Chunks

The total SCTP packets with ABORT transmitted over SCTP interface by this MME manager.

Error Chunks

The total SCTP packets with ERROR transmitted over SCTP interface by this MME manager.

Received SCTP Data

This sub-group displays the statistics of the total data received over SCTP interface and processed by this MME manager.

Init Chunks

The total SCTP packets with INIT received over SCTP interface by this MME manager.

Init Ack Chunks

The total SCTP packets with INIT-ACK received over SCTP interface by this MME manager.

Shutdown Chunks

The total SCTP packets with SHUTDOWN received over SCTP interface by this MME manager.

Shutdown Ack Chunks

The total SCTP packets with SHUTDOWN-ACK received over SCTP interface by this MME manager.

Cookie Chunks

The total SCTP packets with COOKIE received over SCTP interface by this MME manager.

Cookie Ack Chunks

The total SCTP packets with COOKIE-ACK received over SCTP interface by this MME manager.

Data Chunks

The total SCTP packets with DATA received over SCTP interface by this MME manager.

Data Ack Chunks

The total SCTP packets with DATA-ACK received over SCTP interface by this MME manager.

Shutdown Complete Chunks

The total SCTP packets with SHUTDOWN-COMPLETE received over SCTP interface by this MME manager.

Heartbeat Chunks

The total SCTP packets with HEARTBEAT received over SCTP interface by this MME manager.

HeartBeat Ack Chunks

The total SCTP packets with HEARTBEAT-ACK received over SCTP interface by this MME manager.

Abort Chunks

The total SCTP packets with ABORT received over SCTP interface by this MME manager.

Error Chunks

The total SCTP packets with ERROR received over SCTP interface by this MME manager.

Receive Window Adjusted

The number of times the SCTP stack adjusts the SCTP peer receive window size.

Retransmitted SCTP Data

This sub-group displays the statistics of the total data processed and retransmitted over SCTP interface by this MME manager.

Init Chunks

The total SCTP packets with INIT retransmitted over SCTP interface by this MME manager.

Shutdown Chunks

The total SCTP packets with SHUTDOWN retransmitted over SCTP interface by this MME manager.

Shutdown Ack Chunks

The total SCTP packets with SHUTDOWN-ACK retransmitted over SCTP interface by this MME manager.

Cookie Chunks

The total SCTP packets with COOKIE retransmitted over SCTP interface by this MME manager.

Data Chunks

The total SCTP packets with DATA transmitted over SCTP interface by this MME manager.

Total Bytes Sent

The total bytes processed and sent over SCTP interface by this MME manager.

Total Bytes Received

The total bytes received over SCTP interface by this MME manager for processing.

Total Packets Sent

The total packets processed and sent over SCTP interface by this MME manager.

Total Packets Received

The total packets received over SCTP interface by this MME manager for processing.

TAI Statistics

PDN type IPv4 only

Counter for PDN Connectivity Reject with cause 50.

PDN type IPv6 only

Counter for PDN Connectivity Reject with cause 51.

S1AP Statistics

Transmitted S1AP Data

This sub-group displays the statistics of the total data processed and transmitted over S1 Application Protocol (S1AP) interface by this MME manager to eNodeB.

S1 Setup Resp

The total number of S1 SETUP RESPONSE messages for S1 setup procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

S1 Setup Fail

The total number of S1 SETUP FAILURE messages for S1 setup procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

Reset

The total number of S1 RESET messages for S1 reset procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

Reset Ack

The total number of S1 RESET-ACK messages for S1 reset procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

Overload Start

The total number of OVERLOAD-START messages for S1 overload start procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

Overload Stop

The total number of OVERLOAD-START messages for S1 overload start procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

MME Dir Information Transfer

The total number of MME DIRECT INFORMATION TRANSFER messages for MME Direct Information Transfer procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

Paging

The total number of PAGING messages for paging procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

eNB Config Update Ack

The total number of ENB CONFIGURATION UPDATE ACK messages for eNodeB Configuration Update procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

eNB Config Update Fail

The total number of ENB CONFIGURATION UPDATE FAILURE messages for eNB Configuration Update procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

S1AP Msg Encode Fail

The total number of failure occurred during S1AP encode procedure and S1AP ENCODE FAILURE messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

E-RAB Setup Req

The total number of E-RAB setup request messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

E-RAB Modify Req

The total number of E-RAB modify request messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

E-RAB Release Command

The total number of E-RAB release request messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

E-RAB Bearer Setup Attempted

The total number of bearers for which E-RAB setup request message was sent.

E-RAB Bearer Setup Success Rate

The percentage of total number of E-RABs successfully setup at RAN, as perceived on MME from S1-AP messages

E-RAB Bearer Setup Failure Rate

The percentage of total number of E-RABs failed to setup at RAN, as perceived on MME from S1-AP messages

E-RAB Bearer Modify Attempted

The total number of bearers for which E-RAB modification request message was sent.

E-RAB Bearer Modify Success Rate

The percentage of total number of E-RABs successfully modified at RAN, as perceived on MME from S1-AP messages

E-RAB Bearer Modify Failure Rate

The percentage of total number of E-RABs failure to modified at RAN, as perceived on MME from S1-AP messages

E-RAB Modification Cfm

Indicates the number of E-RAB Modification Confirm messages sent by MME upon successful E-RAB modification procedure.

Initial Ctxt Setup Req

The total number of initial context setup request messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

UE Ctxt Release Command

The total number of initial UE context release command messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

UE Context Modify Req

The total number of UE context modify request messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

Downlink NAS Transport

The total number of NAS Transport in downlink messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

Error Ind

The total number of S1AP messages with error-indication processed and transmitted over S1AP interface by this MME manager to eNodeB.

Handover Command

The total number of S1AP messages with handover command processed and transmitted over S1AP interface by this MME manager to eNodeB.

Handover Prep Fail

The total number of S1AP messages generated for handover preparation failure procedure and transmitted over S1AP interface by this MME manager to eNodeB.

Handover Request

The total number of S1AP messages with handover request processed and transmitted over S1AP interface by this MME manager to eNodeB.

Handover Cancel Ack

The total number of HANDOVER_CANCEL_ACK messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

Path Switch Request Ack

The total number of PATH_SWITCH_REQ_ACK messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

Path Switch Request Fail

The total number of PATH_SWITCH_REQ_FAIL messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

Downlink S1 CDMA2000

The total number of CDMA2000 request messages processed and transmitted over S1AP interface by S1 tunneling to interact with cdma2000 network in downlink direction by this MME manager to eNodeB.

Trace Start

The total number of messages processed and transmitted over S1AP interface to indicate that Session Trace started for specific session by this MME manager to eNodeB.

Deactivate Trace

The total number of messages processed and transmitted over S1AP interface to indicate that Session Trace deactivated for specific session by this MME manager to eNodeB.

MME Status Transfer

The total number of messages processed and transmitted over S1AP interface to indicate the MME status by this MME manager to eNodeB.

Loc Report Control

The total number of LOCATION REPORT CONTROL messages sent by the MME to the eNodeB requesting the current location of the UE.

MME Config Update

The total number of MME CONFIGURATION UPDATE messages sent by the MME to the eNodeB for the purpose of updating the Transport Network Layer (TNL) association. The TNL association is required for the MME and eNodeB to interoperate correctly across the S1 interface.

S1AP Encode Fail

The total number of failure occurred during S1AP encode procedure and S1AP ENCODE FAILURE messages processed and transmitted over S1AP interface by this MME manager to eNodeB.

MME Config Transfer

The total number of MME CONFIGURATION TRANSFER messages sent by the MME to the eNodeB for the purpose of transferring RAN configuration information.

Paging Dropped

The total number of S1 Paging requests dropped for all MME services. This counter increments when an S1 paging request is dropped because the number of S1 paging requests received exceeded the S1 paging rate threshold as configured in the Global Config Mode command: network-overload-protection mme-tx-msg-rate-control enb s1-paging .

Downlink Non-UE LPPaTpt

The total number of non-UE downlink transport messages sent by the MME to the eNodeB for LPPa (LTE Positioning Protocol annex).

Downlink UE LPPaTpt

The total number of UE downlink transport messages sent by the MME to the eNodeB for LPPa.

Kill Request

The total number of CMAS Kill Request messages sent by the MME to the eNodeB. This message is forwarded by the MME to eNodeB to cancel an already ongoing broadcast of a warning message.

Write-Replace Warn Req

The total number of CMAS Write-Replace Warning Request messages sent by the MME to the eNodeB. This message is sent by the MME to request the start or overwrite of the broadcast of a warning message.

Received S1AP Data

This sub-group displays the statistics of the total data received over S1AP interface by this MME manager from eNodeB.

S1 Setup Req

The total number of S1 SETUP REQUEST messages for S1 setup procedure received over S1AP interface by this MME manager from eNodeB.

Reset

The total number of S1 RESET messages for S1 reset procedure received over S1AP interface by this MME manager from eNodeB.

Reset Ack

The total number of S1 RESET-ACK messages for S1 reset procedure received over S1-P interface by this MME manager from eNodeB.

eNB Dir Info Transfer

The total number of ENB DIRECT INFORMATION TRANSFER messages for eNodeB Direct Information Transfer procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

eNB Config Update

The total number of ENB CONFIGURATION UPDATE messages for eNB Configuration Update procedure processed and transmitted over S1AP interface by this MME manager to eNodeB.

S1AP Msg Decode Failure

The total number of failure occurred during S1AP control message decoding procedure by eNodeB and S1AP DECODE FAILURE messages received over S1AP interface by this MME manager from eNodeB.

S1AP Msg Unexpected

The total number of failure occurred due to unexpected events during S1AP control message procedure at eNodeB and S1AP UNEXPECTED EVENT messages received over S1AP interface by this MME manager from eNodeB.

E-RAB Setup Resp

The total number of E-RAB setup request response messages received over S1AP interface by this MME manager from eNodeB.

E-RAB Modify Resp

The total number of E-RAB modify request response messages received over S1AP interface by this MME manager from eNodeB.

E-RAB Release Resp

The total number of E-RAB release request response messages received over S1AP interface by this MME manager from eNodeB.

E-RAB Release Ind

The total number of E-RAB release indicator messages received over S1AP interface by this MME manager from eNodeB.

E-RAB Mod Ind

Indicates the number of E-RAB Modification Indication messages received from the master eNodeB.

Initial Ctxt Setup Resp

The total number of initial context setup request response messages received over S1AP interface by this MME manager from eNodeB.

Initial Ctxt Setup Fail

The total number of initial UE context setup failure messages received over S1AP interface by this MME manager from eNodeB.

UE Contxt Release Req

The total number of initial UE context release command messages received over S1AP interface by this MME manager from eNodeB.

UE Ctxt Release Comp

The total number of UE context release request messages received over S1AP interface by this MME manager from eNodeB.

UE Context Modify Resp

The total number of UE context modify request messages received over S1AP interface by this MME manager from eNodeB.

UE Ctxt Modify Fail

The total number of UE context modify request failure messages received over S1AP interface by this MME manager from eNodeB.

Initial UE Message

The total number of initial UE messages received over S1AP interface by this MME manager from eNodeB.

Uplink NAS Transport

The total number of NAS Transport in Uplink direction messages received over S1AP interface by this MME manager from eNodeB.

NAS Non-Delivery Ind

The total number of S1AP messages for NAS non delivery indication received over S1AP interface by this MME manager from eNodeB.

Error Indication

The total number of S1AP messages with error-indication received over S1AP interface by this MME manager from eNodeB.

Handover Request Ack

The total number of ACK messages for handover request received over S1AP interface by this MME manager from eNodeB.

Handover Cancel

The total number of handover cancel messages received over S1AP interface by this MME manager from eNodeB.

Handover Required

The total number of handover required messages received over S1AP interface by this MME manager from eNodeB.

Handover Fail

The total number of HANDOVER_FAILURE messages received over S1AP interface by this MME manager from eNodeB.

Handover Notify

The total number of HANDOVER_NOTIFY messages received over S1AP interface by this MME manager from eNodeB.

Path Switch Req

The total number of PATH_SWITCH_REQ messages received over S1AP interface by this MME manager from eNodeB.

eNB Status Transfer

The total number of messages received for eNodeB status transfer message over S1AP interface by this MME manager from eNodeB.

UE Capability Info Ind

The total number of messages with UE capability information indication received over S1AP interface by this MME manager from eNodeB.

Uplink S1 CDMA2000

The total number of response messages for S1 tunneling with cdma2000 network in uplink direction received over S1AP interface by this MME manager from eNodeB.

Trace Failure Ind

The total number of response messages with Session Trace failure indication for specific session received over S1AP interface by this MME manager from eNodeB.

Location Report

The total number of LOCATION REPORT messages sent by the eNodeB to the MME providing the UE's location.

Loc Report Fail Ind

The total number of LOCATION REPORT FAILURE INDICATION messages sent by the eNodeB to the MME indicating that a LOCATION REPORT CONTROL procedure has failed due to an interaction with a handover procedure.

S1AP Decode Fail

The total number of response message indicating S1AP decode failure received over S1AP interface by this MME manager from eNodeB.

MME Config Update Fail

The total number of MME CONFIGURATION UPDATE FAILURE messages sent by the eNodeB to the MME indicating an S1-MME configuration update failure.

MME Config Update Ack

The total number of MME CONFIGURATION UPDATE ACKNOWLEDGEMENT messages sent by the eNodeB indicating the receipt of the Transport Network Layer (TNL) association information.

S1AP Unexpected Event

The total number of message indicating failure due to unexpected event received over S1AP interface by this MME manager from eNodeB.

eNB Config Transfer

The total number of ENB CONFIGURATION TRANSFER message received by the MME from the eNodeB for the purpose of transferring RAN configuration information.

Uplink Non-UE LPPaTpt

The total number of non-UE uplink transport messages received by the MME from the eNodeB for LPPa (LTE Positioning Protocol annex).

Uplink UE LPPaTpt

The total number of UE uplink transport messages received by the MME from the eNodeB for LPPa.

Kill Response

The total number of CMAS Kill Response messages received by the MME from the eNodeB. This message is sent by the eNodeB to indicate the list of warning areas where cancellation of the broadcast of the identified message was successful and unsuccessful.

Write-Replace Warn Resp

The total number of CMAS Write-Replace Warning Response messages received by the MME from the eNodeB. This message is sent by the eNodeB to acknowledge the MME on the start or overwrite request of a warning message.

Cell Traffic Trace

The total number of Cell Traffic Trace messages by the MME from eNodeB.

Radio Network Error Statistics

This sub-group displays error indication statistics between the MME and the eNodeB.

Unknown MME UE S1AP Id

The total number of times an MME UE S1AP ID was not included in an error indication message received by the MME from the eNodeB.

Unknown ENB UE S1AP Id

The total number of times an ENB UE S1AP ID was not included in an error indication message received by the MME from the eNodeB.

Unknown UE S1AP Id Pair

The total number of times an ENB and MME UE S1AP ID was not included in an error indication message received by the MME from the eNodeB.

Protocol Error Statistics

This sub-group displays protocol error statistics for S1AP messages received by the MME.

Transfer Syntax Error

The total number of messages received by the MME from the eNodeB containing a Transfer Syntax Error.

Semantic Error

The total number of messages received by the MME from the eNodeB containing a Semantic Error.

Message Not Compatible

The total number of messages received by the MME from the eNodeB that were not compatible with the receiver state.

Abstract Syntax Error

This sub-group displays abstract syntax error statistics for S1AP messages received by the MME from the eNodeB.

Reject

The total number of S1AP messages received by the MME from the eNodeB containing an Abstract Syntax Error with a criticality of "reject".

Ignore And Notify

The total number of S1AP messages received by the MME from the eNodeB containing an Abstract Syntax Error with a criticality of "ignore and notify".

Falsely Constr Msg

The total number of S1AP messages received by the MME from the eNodeB containing an Abstract Syntax Error because the message contained IEs or IE groups in the wrong order or with too many occurrences.

eNodeB Statistics

This sub-group displays eNodeB statistics for S1AP messages received by the MME from the eNodeB.

Total eNodeB Associations

The total number of eNodeB associations

EMM (Evolved Mobility Management) Statistics

EPS Associations by Attach using IMSI

This sub-group displays all EMM Evolved Packet System (EPS) IMSI attach association attempts/successes/failures associated with all MME services on the chassis.

EPS Associations for Emergency Bearer Services

This sub-group displays all EMM Emergency Bearer Service attach association attempts/successes/failures associated with all MME services on the chassis.

EPS Associations by Attach using IMEI

This sub-group displays all EMM IMEI (International Mobile Equipment Identity) attach association attempts/successes/failures associated with all MME services on the chassis.

EPS Associations by Attach using Local GUTI

This sub-group displays all EMM EPS local GUTI (Globally Unique Temporary ID) attach association attempts/successes/failures associated with all MME services on the chassis.

EPS Associations by Attach using Foreign GUTI

This sub-group displays all EMM EPS foreign GUTI attach association attempts/successes/failures associated with all MME services on the chassis.

EPS Associations by Attach using P-TMSI

This sub-group displays all EMM EPS P-TMSI (Packet Temporary Mobile Subscriber Identity) attach association attempts/successes/failures associated with all MME services on the chassis.

EPS Associations by TAU using Foreign GUTI

This sub-group displays all EMM EPS foreign GUTI tracking area update association attempts/successes/failures associated with all MME services on the chassis.

EPS Associations by TAU using P-TMSI

This sub-group displays all EMM EPS P-TMSI tracking area update association attempts/successes/failures associated with all MME services on the chassis.

Associations by Combined Attach using IMSI

This sub-group displays all EMM EPS IMSI combined attach association attempts, successes, EPS Only successes, and failures associated with all MME services on the chassis.

"Success EPS Only" shows when a UE has requested a Combined Attach/TAU but the MME sent a Successful EPS-ONLY result, such as when the UE requests a Combined Attach but the SGs interface is down and the MME sent back an Attach Accept but with EPS-ONLY.

Associations by Combined Attach using Local GUTI

This sub-group displays all EMM EPS local GUTI combined attach association attempts, successes, EPS Only successes, and failures associated with all MME services on the chassis.

"Success EPS Only" shows when a UE has requested a Combined Attach/TAU but the MME sent a Successful EPS-ONLY result, such as when the UE requests a Combined Attach but the SGs interface is down and the MME sent back an Attach Accept but with EPS-ONLY.

Associations by Combined Attach using Foreign GUTI

This sub-group displays all EMM EPS foreign GUTI combined attach association attempts, successes, EPS Only successes, and failures associated with all MME services on the chassis.

"Success EPS Only" shows when a UE has requested a Combined Attach/TAU but the MME sent a Successful EPS-ONLY result, such as when the UE requests a Combined Attach but the SGs interface is down and the MME sent back an Attach Accept but with EPS-ONLY.

Associations by Combined Attach using P-TMSI

This sub-group displays all EMM EPS P-TMSI combined attach association attempts, successes, EPS Only successes, and failures associated with all MME services on the chassis.

"Success EPS Only" shows when a UE has requested a Combined Attach/TAU but the MME sent a Successful EPS-ONLY result, such as when the UE requests a Combined Attach but the SGs interface is down and the MME sent back an Attach Accept but with EPS-ONLY.

Associations by Combined TAU using Foreign GUTI

This sub-group displays all EMM EPS foreign GUTI combined tracking area update association attempts, successes, EPS Only successes, and failures associated with all MME services on the chassis.

"Success EPS Only" shows when a UE has requested a Combined Attach/TAU but the MME sent a Successful EPS-ONLY result, such as when the UE requests a Combined Attach but the SGs interface is down and the MME sent back an Attach Accept but with EPS-ONLY.

Associations by Combined TAU using P-TMSI

This sub-group displays all EMM EPS P-TMSI combined tracking area update association attempts, successes, EPS Only successes, and failures associated with all MME services on the chassis.

"Success EPS Only" shows when a UE has requested a Combined Attach/TAU but the MME sent a Successful EPS-ONLY result, such as when the UE requests a Combined Attach but the SGs interface is down and the MME sent back an Attach Accept but with EPS-ONLY.

Authentications

This sub-group displays all EMM authentication attempts/successes/failures associated with all MME services on the system.

Identity

This sub-group displays all EMM identity event attempts/successes/failures associated with all MME services on the system.

Security

This sub-group displays all EMM security event attempts/successes/failures associated with all MME services on the system.

Dynamic TAI List Periodic TAU

This sub-group displays the number of attempts, successes, and failures of Dynamic TAI list periodic tracking area update (TAU).

Dynamic TAI List Normal TAU without SGW Relocation

This sub-group displays the number of Dynamic TAI List Norma TAU, without S-GW relocation, attempts, successes, or failures associated with all MME services.

Dynamic TAI List TAU with Bearer Activation

This sub-group displays the number of Dynamic TAI list TAU, with bearer actvation, attempts, successes, or failures associated with all MME services.

Dynamic TAI List TAU with SGW Relocation

This sub-group displays the number of Dynamic TAI List TAU, with S-GW relocation, attempts, successes, or failures associated with all MME services.

ESM (Evolved S Management) Statistics

PDN type IPv4 only

Counter for PDN Connectivity Reject with cause 50.

PDN type IPv6 only

Counter for PDN Connectivity Reject with cause 51.

GUTI Relocation

This sub-group displays all GUTI relocation event attempts/successes/failures associated with all MME services on the system.

Periodic TAU

This sub-group displays all periodic tracking area update (TAU) attempts/successes/failures associated with all MME services on the system.

Normal TAU without SGW Relocation

This sub-group displays all EMM normal tracking area update, without S-GW relocation, attempts/successes/failures associated with all MME services on the chassis.

TAU with Bearer Activation

This sub-group displays all EMM tracking area update, with bearer activation, attempts/successes/failures associated with all MME services on the chassis.

TAU with SGW Relocation

This sub-group displays all EMM tracking area update, with S-GW relocation, attempts/successes/failures associated with all MME services on the chassis.

Combined TA/LA Updating without SGW Relocation

This sub-group displays all TAU procedures with update type "combined TA/LA updating" and the signaled Tracking area did not need SGW relocation.

Attempted

The total number of TAU procedures with update type "combined TA/LA updating" attempted by the UE and the signaled Tracking area does not need SGW relocation.

Success

The total number of TAU procedures with update type "combined TA/LA updating" that is executed successfully by the MME.

Success EPS Only

The total number of TAU procedures with update type "combined TA/LA updating" that failed during updating the VLR.

Failure

The total number of TAU procedures with update type "combined TA/LA updating" that failed. Usually, this would be the case where no SGW could be found for the tracking area.

Combined TA/LA Updating with SGW Relocation

This sub-group displays all TAU procedures with update type "combined TA/LA updating" and the signaled Tracking area required change of the SGW.

Attempted

The total number of TAU procedures with update type "combined TA/LA updating" attempted by the UE and the signaled Tracking area required change of the SGW.

Success

The total number of TAU procedures with update type "combined TA/LA updating" successfully attempted by the UE and the signaled Tracking area required change of the SGW.

Success EPS Only

The total number of TAU procedures with update type "combined TA/LA updating" attempted by the UE and the signaled Tracking area required change of the SGW, and failed during updating the VLR.

Failure

The total number of TAU procedures with update type "combined TA/LA updating" attempted by the UE and the signaled Tracking area required change of the SGW, and failed during EPC procedures. Usually, during SGW relocation procedure.

TAU with IMSI attach without SGW Relocation

This sub-group displays all TAU procedures with update type "combined TA/LA updating with IMSI attach" and the signaled Tracking area did not require change of the SGW.

Attempted

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" attempted by the UE and the signaled Tracking area did not require change of the SGW.

Success

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" successfully attempted by the UE and the signaled Tracking area did not require change of the SGW.

Success EPS Only

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" attempted by the UE and the signaled Tracking area did not require change of the SGW, and failed during updating the VLR.

Failure

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" attempted by the UE and the signaled Tracking area did not require change of the SGW, and failed during EPC procedures. Usually, during SGW relocation procedure.

TAU with IMSI attach and SGW Relocation

This sub-group displays all TAU procedures with update type "combined TA/LA updating with IMSI attach" and the signaled Tracking area required change of the SGW

Attempted

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" attempted by the UE and the signaled Tracking area required change of the SGW.

Success

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" successfully attempted by the UE and the signaled Tracking area required change of the SGW.

Success EPS Only

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" attempted by the UE and the signaled Tracking area required change of the SGW, and failed during updating the VLR.

Failure

The total number of TAU procedures with update type "combined TA/LA updating with IMSI attach" attempted by the UE and the signaled Tracking area required change of the SGW, and failed during EPC procedures. Usually, during SGW relocation procedure.

Detaches UE Initiated

This sub-group displays all UE-initiated detach attempts/successes/failures associated with all MME services on the system.

Detaches NW Initiated

This sub-group displays all network-initiated detach attempts/successes/failures associated with all MME services on the system.

Detaches HSS Initiated

This sub-group displays all HSS-initiated (Home Subscriber Server) detach attempts/successes/failures associated with all MME services on the system.

Mobile Terminated Location Service

This sub-group displays all Mobile Terminated Location Request (MT-LR) Location Service (LCS) attempts/successes/failures associated with all MME services on the system.

Network Induced Location Request

This sub-group displays all Network Induced Location Request (NI-LR) Location Service (LCS) attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for specific EMM event associated with all MME services on the system.

Success

The total number of successful attempts for specific EMM event associated with all MME services on the system.

Success EPS Only

The total number of successful, EPS-only, attempts for specific EMM event associated with all MME services on the system.

Failures

The total number of attempts failed for specific EMM event associated with all MME services on the system.

SGW Selection

Specifies the Blackisted SGW selected.

Blacklisted SGW chosen

specifies the number of times a blacklisted SGW is selected when all SGWs are blacklisted.

ECM Statistics

This group displays the statistics of all EMM Control Management (ECM) events associated with all MME services on the system.

Idle Mode Entry Events

This sub-group displays all idle mode entry event attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts made for the specific ECM event associated with all MME services on the system.

Success

The total number of successful attempts for the specific ECM event associated with all MME services on the system.

Failures

The total number of attempts failed for the specific ECM event associated with all MME services on the system.

Service Request Events

This sub-group displays the ECM service request event attempts/successes/ failures associated with all MME services on the system.

UE Initiated Service Request Events

This group displays the ECM service request event attempts/successes/failures which have been initiated by the UE for all MME services on the system.

NW Initiated Service Request Events

This group displays the ECM service request event attempts/successes/failures which have been initiated by the network for all MME services on the system.

Paging Initiation Events

This group displays all paging initiation event attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for the specific ECM event associated with all MME services on the system.

Success

The total number of successful attempts for the specific ECM event associated with all MME services on the system.

Failures

The total number of attempts failed for the specific ECM event associated with all MME services on the system.

Success at Last eNBs

The total number of successful pages where the UE responded at the last known eNodeB.

Success at Last n eNBs

The total number of successful pages where the UE responded at the last n known eNodeBs.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked.

Paging Initiation for PS QCI-n Events

This group displays the ECM Paging Initiation Events for PS Event attempts/successes/failures associated with all MME services on the system.

Statistics are grouped according to the QoS Class Identifier (QCI) value, where n represents the specific QCI value.

Attempted

The total number of attempts made for PS events.

Success

The total number of successful attempts made for PS events.

Failures

The total number of attempts failed for PS events.

Success at Last n eNB

The total number of successful pages where the UE responded at the last n known eNodeBs for PS events.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier for PS events.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked for PS events.

Paging Initiation for CS Voice Events

This group displays the ECM Paging Initiation Events for CS Voice Event attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts made for CS Voice events.

Success

The total number of successful attempts made for CS Voice events.

Failures

The total number of attempts failed for CS Voice events.

Success at Last n eNB

The total number of successful pages where the UE responded at the last n known eNodeBs for CS Voice events.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier for CS Voice events.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked for CS Voice events.

Paging Initiation for CS SMS Events

This group displays the ECM Paging Initiation Events for CS SMS Event attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts made for CS SMS events.

Success

The total number of successful attempts made for CS SMS events.

Failures

The total number of attempts failed for CS SMS events.

Success at Last n eNB

The total number of successful pages where the UE responded at the last n known eNodeBs for CS SMS events.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier for CS SMS events.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked for CS SMS events.

Paging Initiation for CS Other Events

This group displays the ECM Paging Initiation Events for CS Other Event attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts made for CS Other events.

Success

The total number of successful attempts made for CS Other events.

Failures

The total number of attempts failed for CS Other events.

Success at Last n eNB

The total number of successful pages where the UE responded at the last n known eNodeBs for CS Other events.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier for CS Other events.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked for CS Other events.

Paging Initiation for CS Unknown UE:

Attempted

Displays the number of times when the session manager sends paging request to at least 1 MME manager.

Skipped

Displays the number of times when the session manager skips sending paging request to at least 1 busy MME manager.

Paging Initiation for SIGNALING IDR Events

This group displays the ECM Paging Initiation Events for IDR Signaling attempts/successes/failures associated with all MME services on the system

Attempted

The total number of attempts made for IDR Signaling events.

Success

The total number of successful attempts made for IDR Signaling events.

Failures

The total number of attempts failed for IDR Signaling events.

Success at Last n eNB

The total number of successful pages where the UE responded at the last n known eNodeBs for IDR Signaling events.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier for IDR Signaling events.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked for IDR Signaling events.

Paging Initiation for SIGNALING DETACH Events

This group displays the ECM Paging Initiation Events for Detach Signaling attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for Detach Signaling events.

Success

The total number of successful attempts made for Detach Signaling events.

Failures

The total number of attempts failed for Detach Signaling events.

Success at Last n eNB

The total number of successful pages where the UE responded at the last n known eNodeBs for Detach Signaling events.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier for Detach Signaling events.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked for Detach Signaling events.

Paging Initiation for SIGNALING LCS Events

This group displays the ECM Paging Initiation Events for Location Services Signaling attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for Location Services Signaling events.

Success

The total number of successful attempts made for Location Services Signaling events.

Failures

The total number of attempts failed for Location Services Signaling events.

Success at Last n eNB

The total number of successful pages where the UE responded at the last n known eNodeBs for Location Services Signaling events.

Success at Last TAI

The total number of successful pages where the UE responded at the last known Tracking Area Identifier for Location Services Signaling events.

Success at TAI List

The total number of successful pages where the UE responded after the entire TAI list was checked for Location Services Signaling events.

Paging Initiation for SIGNALING Node Restoration Events

This group displays the ECM Paging Initiation Events for Paging requests to deactive a PDN due to Node Restoration (P-GW Restart Notification) Signaling attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of ECM Statistics-related Paging requests to deactive a PDN due to Node Restoration (P-GW Restart Notification) that were attempted.

Success

The total number of ECM Statistics-related Paging requests to deactive a PDN due to Node Restoration (P-GW Restart Notification) that were successful.

Failures

The total number of ECM Statistics-related Paging requests to deactive a PDN due to Node Restoration (P-GW Restart Notification) that failed.

Success at Last n eNB

The total number of ECM Statistics-related Paging requests to deactive a PDN due to Node Restoration (P-GW Restart Notification) that succeeded at the last known eNodeB (paging profile used: last-n-enb-last-tai).

Success at Last TAI

The total number of ECM Statistics-related Paging requests to deactive a PDN due to Node Restoration (P-GW Restart Notification) that succeeded at an eNodeB in the TAI from which the UE was last heard (paging profile used: all-enb-last-tai).

Success at TAI List

The total number of ECM Statistics-related Paging requests to deactive a PDN due to Node Restoration (P-GW Restart Notification) that succeeded at an eNodeB in all TAIs present in the TAI list assigned to the UE (paging profile used: all-enb-all-tai).

S1 release for load rebalancing

The number of S1 releases occurring due to IDLE MODE ENTRY procedure with a load rebalancing cause.

CSFB Statistics

UE Initiated Voice Procedures

This group displays the total number of CSFB Statistics-related UE initiated Voice procedures attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts for UE initiated Voice procedures.

Success

The total number of successful attempts for UE initiated Voice procedures.

Failures

The total number of failed attempts for UE initiated Voice procedures.

NW Initiated Voice Procedures

This group displays the total number of CSFB Statistics-related network initiated Voice procedures attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts for network initiated Voice procedures.

Success

The total number of successful attempts for network initiated Voice procedures.

Failures

The total number of failed attempts for network initiated Voice procedures.

UE Initiated SMS Procedures

This group displays the total number of CSFB Statistics-related UE initiated SMS procedures attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts for UE initiated SMS procedures.

Success

The total number of successful attempts for UE initiated SMS procedures.

Failures

The total number of failed attempts for UE initiated SMS procedures.

NW Initiated SMS Procedures

This group displays the total number of CSFB Statistics-related network initiated SMS procedures attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts for network initiated SMS procedures.

Success

The total number of successful attempts for network initiated SMS procedures.

Failures

The total number of failed attempts for network initiated SMS procedures.

UE Initiated IMSI Detaches

This group displays the total number of CSFB Statistics-related UE initiated IMSI detaches attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts for UE initiated IMSI detaches.

Success

The total number of successful attempts for UE initiated IMSI detaches.

Failures

The total number of failed attempts for UE initiated IMSI detaches.

NW Initiated IMSI Detaches

This group displays the total number of CSFB Statistics-related network initiated IMSI detaches attempts/successes/ failures associated with all MME services on the system.

Attempted

The total number of attempts for network initiated IMSI detaches.

Success

The total number of successful attempts for network initiated IMSI detaches.

Failures

The total number of failed attempts for network initiated IMSI detaches.

Total EMM Control Messages

Sent

This sub-group displays the total number of EPS Mobility Management (EMM) control messages sent for specific event associated with all MME services on the system.

Clear-text messages

The total number of plain EMM messages (neither integrity protected nor ciphered) sent by all MME services on the system.

Integrity-check enabled

The total number of integrity protected EMM messages sent by all MME services on the system.

Ciphered messages

The total number of ciphered EMM messages sent by all MME services on the system.

Retransmissions sent

The total number of EMM retransmission messages sent by all MME services on the system. For example, an Attach Accept may be retransmitted n number of times if no response (Attach Complete) is received from the UE.

Failures

The total number of EMM control messages not sent due to lower layer failure for all MME services on the system.

Attach Accept

The total number of EMM Attach Accept messages sent for a specific ECM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted EMM Attach Accept messages sent for a specific ECM event associated with all MME services on the system.

IMSI Unknown in HSS

The total number of EMM Control messages sent – Attach Accept with a cause code of IMSI unknown.

MSC Unreachable

The total number of EMM Control messages sent – Attach Accept with a cause code of MSC not available.

Network Failure

The total number of EMM Control messages sent – Attach Accept with a cause code of Network Failure.

CS Domain Not Available

The total number of EMM Control messages sent – Attach Accept with a cause code of CS domain not available.

Congestion

The total number of EMM Control messages sent – Attach Accept with a cause code of Congestion.

Attach Reject

The total number of EMM Attach Reject messages sent.

IMSI Unknown in HSS

The total number of EMM Attach Reject messages sent, with the cause code #2: "IMSI Unknown in HSS".

Illegal UE

The total number of EMM Attach Reject messages sent with the cause code #3: "Illegal UE".

Illegal ME

The total number of EMM Attach Reject messages sent with the cause code #6: "Illegal ME".

EPS Not Allowed

The total number of EMM Attach Reject messages sent with the cause code #7: "EPS Services Not Allowed".

Network Failure

The total number of EMM Attach Reject messages sent with the cause code #17: "Network Failure".

CSG Not Subscribed

The total number of EMM Attach Reject messages sent with the cause code of #25: "Not authorized for this CSG".

Decode Failure

The total number of EMM Attach Reject messages sent with the cause code #23: "Decode Failure".

IMEI Not Accepted

The total number of EMM Attach Reject messages sent with the cause code #5: "IMEI Not Accepted".

Roaming restricted TA

The total number of EMM Attach Reject messages sent with the cause code #13: "Roaming restricted in TA".

PLMN not allowed

The total number of EMM Attach Reject messages sent with the cause code #11: "PLMN not allowed".

TA not allowed

The total number of EMM Attach Reject messages sent with the cause code #12: "Tracking Area not allowed".

No suitable cells in TA

The total number of EMM Attach Reject messages sent with the cause code #15: "No suitable cells in TA".

EPS non-EPS Not Allwd

The total number of EMM Attach Reject messages sent with the cause code #8: "EPS services and non-EPS services not allowed".

No EPS Svc in this PLMN

The total number of EMM Attach Reject messages sent with the cause code #14: "EPS service not allowed in this plmn".

Congestion

The total number of EMM Attach Reject messages sent with cause #22: "Congestion".

Severe Network Failure

The total number of EMM Attach Reject messages sent with cause #42: "Severe Network Failure".

ESM Failure

The total number of EMM Attach Reject messages sent with the cause "ESM Failure" for a specific ECM event associated with all MME services on the system.

Rejected by PGW/SGW

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #30: "Rejected by PGW/SGW".

Authentication Failed

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #29: "Authentication Failed".

Svc Opt Not Supported

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #32: "Svc Opt Not Supported".

Svc Opt Not Subscribed

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #33: "Svc Opt Not Subscribed".

Unknown APN

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #27: "Unknown or Missing APN".

Opr Determined Barring

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #8: "Operator Determined Barring".

Insufficient Resource

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #26: "Insufficient Resources".

Activation Rejected

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #31: "Request rejected, unspecified".

Svc Opt Tmp OutofOrder

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #34: "Service Option Temporarily Out of Order".

Protocol Errors

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with any of the following Protocol Error cause codes: #95-101, or #111.

APN Restrict Incomt

The total number of EMM Attach Reject messages sent due to an ESM procedure failure with cause code #112: "APN Restriction Value Incompatible with Active EPS Bearer Content".

No Attach Reject/Accept

The total number of Attach Accept or Reject messages not sent for Attach requests.

Authentication Fail

The total number of authentication failed and an Attach Accept or Reject message is not sent.

UE initiated detach

The total number of attach requests failed due to collision between an attach request and UE initiated detach and an Attach Accept or Reject message is not sent.

Detach in progress

The total number of attach requests failed due to collision between an attach request and NW initiated detach and an Attach Accept or Reject message is not sent.

Different Attach Recvd

The total number of attach request failed due to collision between two different attach requests with different IEs and the first attach request is dropped and an Attach Accept or Reject message is not sent.

Authentication Reject

The total number of EMM Attach Reject messages sent with the cause "Authentication Reject".

Authentication Request

The total number of EMM Authentication Request messages sent.

Retransmissions

The total number of retransmitted EMM Authentication Request messages sent.

Detach Request

The total number of EMM Detach Request messages sent for a specific ECM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted EMM Detach Request messages sent for a specific ECM event associated with all MME services on the system.

Reattach Required

The total number of EMM Detach Request messages sent, with the reason "Reattach Required", for a specific ECM event associated with all MME services on the system.

Reattach Not Required

The total number of EMM Detach Request messages sent, with the reason "Reattach Not Required", for a specific ECM event associated with all MME services on the system.

IMSI Detach

The total number of EMM Detach Request messages sent, with the reason "IMSI Detach", for a specific ECM event associated with all MME services on the system.

CSG Not Subscribed

The total number of EMM Detach Request messages sent with the cause code of #25: "Not authorized for this CSG".

This occurs when the Initial UE Message sent from the eNodeB specifies a non-hybrid CSG cell whose CSG ID is not included in the UE's CSG subscription list. In this circumstance, the MME initiates a Detach procedure with this cause code.

Detach Accept

The total number of EMM Detach Accept messages sent for a specific ECM event associated with all MME services on the system.

Downlink NAS Transport

The total number of EMM Downlink NAS Transport messages sent for a specific ECM event associated with all MME services on the system.

EMM Information

The total number of EMM Information messages sent for a specific ECM event associated with all MME services on the system.

EMM Status

The total number of EMM Status messages sent for a specific ECM event associated with all MME services on the system.

GUTI Relocation

The total number of EMM GUTI Relocation messages sent for a specific ECM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted EMM GUTI Relocation messages sent for a specific ECM event associated with all MME services on the system.

Identity Request

The total number of EMM Identity Request messages sent for a specific ECM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted EMM Identity Request messages sent for a specific ECM event associated with all MME services on the system.

Security Mode Command

The total number of EMM Security Mode Command messages sent for a specific ECM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted EMM Security Mode Command messages sent for a specific ECM event associated with all MME services on the system.

Service Reject

The total number of EMM Service Reject messages sent.

UE Identity Unknown

The total number of EMM Service Reject messages sent, with a cause code of #9:"UE identity cannot be derived by the network".

Implicitly Detached

The total number of EMM Service Reject messages sent, with a cause code of #10: "Implicitly Detached".

No Bearer Active

The total number of EMM Service Reject messages sent, with a cause code of #40: "No EPS bearer context activated".

CSG Not Subscribed

The total number of EMM Service Reject messages sent, with a cause code of #25: "Not authorized for this CSG".

Roaming Restricted TA

The total number of EMM Service Reject messages sent, with a cause code of #13: "Roaming not allowed in this tracking area".

No suitable cells in TA

The total number of EMM Service Reject messages sent, with a cause code of #15: "No suitable cells in tracking area".

TA Not Allowed

The total number of EMM Service Reject messages sent, with a cause code of #12: "Tracking area not allowed".

Congestion

The total number of EMM Service Reject messages sent with cause #22: "Congestion".

TAU Accept Total

The total number of EMM TAU Accept messages sent (for either an Inter- or Intra-MME TAU request).

Note: If the MME retransmits a TAU Accept message, only the "Retransmissions" counter will be incremented.

Retransmissions

The total number of EMM TAU Accept messages retransmitted (for either an Inter- or Intra-MME TAU request).

IMSI Unknown in HSS

The total number of TAU Accept messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #2: "IMSI unknown in HSS".

MSC Unreachable

The total number of TAU Accept messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #16: "MSC temporarily not reachable".

Network Failure

The total number of TAU Accept messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #17: "Network failure".

CS Domain Not Available

The total number of TAU Accept messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #18: "CS Domain not available".

Congestion

The total number of TAU Accept messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #22: "Congestion".

TAU Accept Intra MME

The total number of TAU Accept messages sent for an Intra-MME TAU request.

Retransmissions

The total number of TAU Accept messages retransmitted for an Intra-MME TAU request.

IMSI Unknown in HSS

The total number of TAU Accept messages sent for an Intra-MME TAU request, with a cause code of #2: "IMSI unknown in HSS".

MSC Unreachable

The total number of TAU Accept messages sent for an Intra-MME TAU request, with a cause code of #16: "MSC temporarily not reachable".

Network Failure

The total number of TAU Accept messages sent for an Intra-MME TAU request, with a cause code of #17: "Network failure".

CS Domain Not Available

The total number of TAU Accept messages sent for an Intra-MME TAU request, with a cause code of #18: "CS Domain not available".

Congestion

The total number of TAU Accept messages sent for an Intra-MME TAU request, with a cause code of #22: "Congestion".

TAU Accept Inter MME

The total number of TAU Accept messages sent for an Inter-MME TAU request.

Retransmissions

The total number of TAU Accept messages retransmitted for an Inter-MME TAU request.

IMSI Unknown in HSS

The total number of TAU Accept messages sent for an Inter-MME TAU request, with a cause code of #2: "IMSI unknown in HSS".

MSC Unreachable

The total number of TAU Accept messages sent for an Inter-MME TAU request, with a cause code of #16: "MSC temporarily not reachable".

Network Failure

The total number of TAU Accept messages sent for an Inter-MME TAU request, with a cause code of #17: "Network failure".

CS Domain Not Available

The total number of TAU Accept messages sent for an Inter-MME TAU request, with a cause code of #18: "CS Domain not available".

Congestion

The total number of TAU Accept messages sent for an Inter-MME TAU request, with a cause code of #22: "Congestion".

TAU Reject Total

The total number of EMM TAU Reject messages sent.

IMSI Unknown in HSS

The total number of EMM TAU Reject messages sent with the cause code #2: "IMSI unknown in HSS".

Illegal UE

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #3: "Illegal UE".

Illegal ME

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #6: "Illegal ME".

EPS Not Allowed

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #7: "EPS services not allowed".

Network Failure

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #17: "Network failure".

IMEI not accepted

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #5: "IMEI not accepted".

ESM Failure

The total number of EMM TAU Reject messages sent with the cause "ESM Failure".

Decode Failure

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #23: "UE security capabilities mismatch".

No Bearer Active

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #40: "No EPS bearer context activated".

UE Identity Unknown

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #9: "UE identity cannot be derived by the network".

Implicitly Detached

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #10: "Implicitly detached".

Roaming Restricted TA

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #13: "Roaming not allowed in this tracking area".

PLMN not allowed

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #11: "PLMN not allowed".

TA not allowed

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #12: "Tracking area not allowed".

No suitable cells in TA

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #15: "No suitable cells in tracking area".

No EPS Svc in PLMN

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #14: "EPS services not allowed in this PLMN".

CSG Not Subscribed

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #25: Not authorized for this CSG.

EPS non-EPS not Allwd

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #8: EPS services and non-EPS services not allowed.

Congestion

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with cause #22: "Congestion".

Severe Network Failure

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with cause #42: "Severe Network Failure".

TAU Reject Intra MME

The total number of TAU Reject messages sent for an Intra-MME TAU request.

IMSI Unknown in HSS

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #2: IMSI unknown in HSS.

Illegal UE

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #3: "Illegal UE".

Illegal ME

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #6: "Illegal ME".

EPS Not Allowed

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #7: "EPS services not allowed".

Network Failure

The total number of TAU Reject messages sent for an Intra-MME TAU request with a cause code of #17: "Network failure".

IMEI not accepted

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #5: "IMEI not accepted".

Decode Failure

The total number of TAU Reject messages sent for an Intra-MME TAU request with a cause code of #23: "UE security capabilities mismatch".

No Bearer Active

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #40: "No EPS bearer context activated".

UE Identity Unknown

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #9: "UE identity cannot be derived by the network".

Implicitly Detached

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #10: "Implicitly detached".

Roaming Restricted TA

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #13: "Roaming not allowed in this tracking area".

PLMN not allowed

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #11: "PLMN not allowed".

TA not allowed

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #12: "Tracking area not allowed".

No suitable cells in TA

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #15: "No suitable cells in tracking area".

No EPS Svc in PLMN

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #14: "EPS services not allowed in this PLMN".

CSG Not Subscribed

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #25: "Not authorized for this CSG".

EPS non-EPS not Allwd

The total number of TAU Reject messages sent for an Intra-MME TAU request, with a cause code of #8: "EPS services and non-EPS services not allowed".

Congestion

The total number of TAU Reject messages sent for an Intra-MME TAU request, with cause #22: "Congestion".

Severe Network Failure

The total number of TAU Reject messages sent for an Intra-MME TAU request, with cause #42: "Severe Network Failure".

TAU Reject Inter MME

The total number of TAU Reject messages sent for an Inter-MME TAU request.

IMSI Unknown in HSS

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #2: "IMSI unknown in HSS".

Illegal UE

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #3: "Illegal UE".

Illegal ME

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #6: "Illegal ME".

EPS Not Allowed

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #7: "EPS services not allowed".

Network Failure

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #17: "Network failure".

IMEI not accepted

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #5: "IMEI not accepted".

Decode Failure

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #23: "UE security capabilities mismatch".

No Bearer Active

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #40: "No EPS bearer context activated".

UE Identity Unknown

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #9: "UE identity cannot be derived by the network".

Implicitly Detached

The total number of TAU Reject messages sent for an Inter-MME TAU request with a cause code of #10: "Implicitly detached".

Roaming Restricted TA

The total number of TAU Reject messages sent for an Inter-MME TAU request with a cause code of #13: "Roaming not allowed in this tracking area".

PLMN not allowed

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #11: "PLMN not allowed".

TA not allowed

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #12: "Tracking area not allowed".

No suitable cells in TA

The total number of TAU Reject messages sent for an Inter-MME TAU request with a cause code of #15: "No suitable cells in tracking area".

No EPS Svc in PLMN

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #14: "EPS services not allowed in this PLMN".

CSG Not Subscribed

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #25: "Not authorized for this CSG".

EPS non-EPS not Allwd

The total number of TAU Reject messages sent for an Inter-MME TAU request, with a cause code of #8: "EPS services and non-EPS services not allowed".

Congestion

The total number of TAU Reject messages sent for an Inter-MME TAU request, with cause #22: "Congestion".

Severe Network Failure

The total number of TAU Reject messages sent for an Inter-MME TAU request, with cause #42: "Severe Network Failure".

No TAU Rej/Accept Total

The total number of TAU Accept or Reject messages not sent for TAU (Intra-MME + Inter-node) requests.

Authentication Failed

The total number of TAU (Intra-MME + Inter-node) requests failed due to authentication failures and no TAU Accept or Reject message is sent.

UE initiated detach

The total number of TAU (Intra-MME + Inter-node) requests failed due to collision between a TAU (Intra-MME or Inter-node) request and UE initiated detach and no TAU Accept or Reject message is sent.

Detach in progress

The total number of TAU (Intra-MME + Inter-node) requests failed due to collision between a TAU (Intra-MME or Inter-node) request and NW initiated detach and no TAU Accept or Reject message is sent.

Different TAU Recvd

The total number of TAU (Intra-MME + Inter-node) requests failed due to collision between two different TAU (Intra-MME or Inter-node) requests with different IEs and the first TAU request is dropped and no TAU Accept or Reject message is sent.

Attach awaits MBResp

The total number of TAU (Intra-MME + Inter-node) requests failed due to collision between a TAU (Intra-MME or Inter-node) request and an Attach waiting for a Modify Bearer Response and no TAU Accept or Reject message is sent.

No IntraMME TAU Rej/Act

The total number TAU Accept or Reject messages not sent for Intra-MME TAU requests.

Authentication Failed

The total number Intra-MME TAU requests failed due to authentication failures and no TAU Accept or Reject message is sent.

UE initiated detach

The total number of Intra-MME TAU requests failed due to collision between an Intra-MME TAU request and UE initiated detach and no TAU Accept or Reject message is sent.

Detach in progress

The total number of Intra-MME TAU requests failed due to collision between an Intra-MME TAU request and NW initiated detach and no TAU Accept or Reject message is sent.

Different TAU Recvd

The total number of Intra-MME TAU requests failed due to collision between two different Intra-MME TAU requests with different IEs and the first TAU request is dropped and no TAU Accept or Reject message is sent.

Attach awaits MBResp

The total number of Intra-MME TAU requests failed due to collision between an Intra-MME TAU request and an Attach waiting for a Modify Bearer Response and no TAU Accept or Reject message is sent.

No InterNode TAU Rej/Act

The total number of TAU Accept or Reject messages not sent for Inter-node TAU requests.

Authentication Failed

The total number of Inter-node TAU requests failed due to authentication failure and a TAU Accept or Reject message is not sent.

UE initiated detach

The total number of Inter-node TAU requests failed due to collision between an Inter-node TAU request and UE initiated detach and a TAU Accept or Reject message is not sent.

Different TAU Recvd

The total number of Inter-node TAU requests failed due to collision between two different Inter-node TAU requests with different IEs and the first TAU request is dropped and a TAU Accept or Reject message is not sent.

CS Service Notification

The total number of TAU Reject messages sent (for either an Inter- or Intra-MME TAU request), with a cause code of #100: "CS Service notification".

Received

This sub-group displays the statistics of all EPS Mobility Management (EMM) control messages received by an MME services on the system.

Clear-text messages

The total number of plain EMM messages (neither integrity protected nor ciphered) received by all MME services on the system.

Integrity-check enabled

The total number of integrity protected EMM messages received by all MME services on the system.

Ciphered messages

The total number of ciphered EMM messages received by all MME services on the system.

Accepted

The total number of EMM messages received by all MME services on the system and accepted for further processing.

Ignored messages

The total number of EMM control messages received by all MME services on the system, but were ignored because the MME was busy processing some other procedure.

Denied

The total number of EMM control messages received by all MME services on the system, but the security check failed for the EMM message.

Decode failures

The total number of EMM control messages received by all MME services on the system, but the MME was unable to decode the EMM message as per 3GPP TS 24.301.

Attach Complete

The total number of EMM Attach Complete messages received for a specific ECM event associated with all MME services on the system.

Attach Request

The total number of EMM Attach Request messages received for a specific ECM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted EMM Attach Request messages received for a specific ECM event associated with all MME services on the system.

Authentication Failure

The total number of EMM Authentication Failure messages received for a specific ECM event associated with all MME services on the system.

Authentication Response

The total number of EMM Authentication Response messages received for a specific ECM event associated with all MME services on the system.

Identity Response

The total number of IMSI Identity Response messages received for a specific ECM event associated with all MME services on the system.

Detach Request

The total number of EMM Detach Request messages received for a specific ECM event associated with all MME services on the system.

Switch Off

The total number of EMM Detach Request messages received, with the reason "Switch Off", for a specific ECM event associated with all MME services on the system.

Not Switch Off

The total number of EMM Detach Request messages received, with the reason "Not Switch Off", for a specific ECM event associated with all MME services on the system.

IMSI Detach

The total number of EMM Detach Request messages received, with the reason "IMSI Detach", for a specific ECM event associated with all MME services on the system.

EMM Status

The total number of EMM Status messages received for a specific ECM event associated with all MME services on the system.

GUTI Reloc Complete

The total number of EMM GUTI Reloc Complete messages received for a specific ECM event associated with all MME services on the system.

Security Mode Complete

The total number of EMM Security Mode Complete messages received for a specific ECM event associated with all MME services on the system.

Security Mode Reject

The total number of EMM Security Mode Reject messages received for a specific ECM event associated with all MME services on the system.

Service Request

The total number of EMM Service Request messages received for a specific ECM event associated with all MME services on the system.

TAU Request Total

The total number of TAU Request messages received (either an Inter- or Intra-MME TAU request).

Note: If the MME receives a TAU Request message for the same UE while the first TAU Request is in process, both the "TAU Request Total" and "Retransmissions" counters will be incremented.

Retransmissions

The total number of retransmitted TAU Request messages received (includes both Inter- and Intra-MME TAU requests).

TAU Request Intra-MME

The total number of Intra-MME TAU Request messages received.

Retransmissions

The total number of retransmitted Intra-MME TAU Request messages received.

TAU Request Inter-MME

The total number of Inter-MME TAU Request messages received.

Retransmissions

The total number of retransmitted Inter-MME TAU Request messages received.

TAU Complete

The total number of EMM TAU Complete messages received for a specific ECM event associated with all MME services on the system.

Extended Service Request

The total number of EMM Extended Service Request messages received for a specific ECM event associated with all MME services on the system.

ESM Statistics

PDN Connections

This group displays the statistics for PDN connection attempts/successes/failures associated with all MME services on the system.

PDN Connections with PDN-type Override to IPv4

This group displays the statistics for PDN connection attempts/successes/failures associated with all MME services on the system which have had the requested PDN-type overrided to IPv4.

PDN Connections with PDN-type Override to IPv6

This group displays the statistics for PDN connection attempts/successes/failures associated with all MME services on the system which have had the requested PDN-type overrided to IPv6.

UE Initiated PDN Disconnections

This group displays the statistics for UE-initiated PDN disconnection attempts/successes/failures associated with all MME services on the system.

MME Initiated PDN Disconnections

This group displays the statistics for MME-initiated PDN disconnection attempts/successes/failures associated with all MME services on the system.

PGW/SGW Initiated PDN Disconnections

This group displays the statistics for P-GW/S-GW-initiated PDN disconnection attempts/successes/ failures associated with all MME services on the system.

HSS Initiated PDN Disconnections

This group displays the statistics for HSS-initiated PDN disconnection attempts/successes/ failures associated with all MME services on the system.

Default Bearer Activations

This group displays the statistics of all default EPS bearer activation attempts/successes/failures associated with all MME services on the system.

NW Initiated Dedicated Bearer Activations

This group displays the statistics of all network-initiated dedicated EPS bearer activation attempts/successes/failures associated with all MME services on the system.

UE Initiated Dedicated Bearer Activations

This group displays the statistics of all UE-initiated dedicated EPS bearer activation attempts/successes/failures associated with all MME services on the system.

MME Initiated Dedicated Bearer Deactivations

This group displays the statistics of all MME-initiated dedicated bearer deactivation attempts/successes/failures associated with all MME services on the system.

PGW/SGW Initiated Dedicated Bearer Deactivations

This group displays the statistics of all P-GW/S-GW-initiated dedicated bearer deactivation attempts/successes/failures associated with all MME services on the system.

UE Initiated Dedicated Bearer Deactivations

This group displays the statistics of all UE-initiated dedicated bearer deactivation attempts/successes/failures associated with all MME services on the system.

MME Initiated Default Bearer Deactivations

This group displays the statistics of all MME-initiated default bearer deactivation attempts/successes/failures associated with all MME services on the system.

PGW/SGW Initiated Default Bearer Deactivations

This group displays the statistics of all P-GW/S-GW-initiated default bearer deactivation attempts/successes/failures associated with all MME services on the system.

UE Initiated Default Bearer Deactivations

This group displays the statistics of all UE-initiated default bearer deactivation attempts/successes/failures associated with all MME services on the system.

MME Initiated Bearer Deactivations

This group displays the statistics of all MME-initiated bearer deactivation attempts/successes/failures associated with all MME services on the system.

PGW/SGW Initiated Bearer Deactivations

This group displays the statistics of all P-GW/S-GW-initiated bearer deactivation attempts/successes/failures associated with all MME services on the system.

UE Initiated Bearer Deactivations

This group displays the statistics of all UE-initiated bearer deactivation attempts/successes/failures associated with all MME services on the system.

HSS Initiated Bearer Modifications

This group displays the statistics of all HSS-initiated bearer modification attempts/successes/failures associated with all MME services on the system.

PGW/SGW Initiated Bearer Modifications

This group displays the statistics of all P-GW/S-GW-initiated bearer modification attempts/successes/failures associated with all MME services on the system.

UE Initiated Bearer Modifications

This group displays the statistics of all UE-initiated bearer modification attempts/successes/failures associated with all MME services on the system.

UE Initiated Emergency PDN Connections

This group displays the statistics of all UE-initiated emergency PDN connection attempts/successes/failures associated with all MME services on the system.

DCNR User PDN Connections

This group displays the statistics of all DCNR user PDN connection attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for specific ESM event associated with all MME services on the system.

Success

The total number of successful attempts for specific ESM event associated with all MME services on the system.

Failures

The total number of attempts failed for specific ESM event associated with all MME services on the system.

Total ESM Control Messages

Sent

This sub-group displays the statistics of all EPS Session Management (ESM) control messages sent by an MME services on the system.

Clear-text messages

The total number of plain ESM messages (neither integrity protected nor ciphered) sent by all MME services on the system.

Integrity-check enabled

The total number of integrity protected ESM messages sent by all MME services on the system.

Ciphered messages

The total number of ciphered ESM messages sent by all MME services on the system.

Retransmissions sent

The total number of ESM retransmission messages sent by all MME services on the system. For example, an Attach Accept may be retransmitted n number of times if no response (Attach Complete) is received from the UE.

Failures

The total number of ESM control messages not sent due to lower layer failure for all MME services on the system.

Act Dedicated Bearer

The total number of ESM Activate Dedicated Bearer messages sent for a specific ESM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted ESM Activate Dedicated Bearer messages sent for a specific ECM event associated with all MME services on the system.

Act Default Bearer

The total number of ESM Activate Default Bearer messages sent for a specific ESM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted ESM Activate Default Bearer messages sent for a specific ECM event associated with all MME services on the system.

Bearer Alloc Reject

The total number of ESM Bearer Allocate Reject messages sent for a specific ESM event associated with all MME services on the system.

PTI Already in Use

The total number of ESM Bearer Allocate Reject messages sent, with the cause "PTI Already in Use", for a specific ESM event associated with all MME services on the system.

Semantic Error TFT

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Semantic Error TFT", for a specific ESM event associated with all MME services on the system.

Syntactic Error TFT

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Syntactic Error TFT", for a specific ESM event associated with all MME services on the system.

Invalid Bearer Id

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Invalid Bearer Id", for a specific ESM event associated with all MME services on the system.

Collision with NW Op

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Collision with NW Op", for a specific ESM event associated with all MME services on the system.

Rejected By PGW/SGW

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Rejected By PGW/SGW", for a specific ESM event associated with all MME services on the system.

Invalid PTI

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Invalid PTI", for a specific ESM event associated with all MME services on the system.

Insufficient Resources

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Insufficient Resources", for a specific ESM event associated with all MME services on the system.

Authentication failed

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Authentication failed", for a specific ESM event associated with all MME services on the system.

Sv opt not supported

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Service Option Not Supported", for a specific ESM event associated with all MME services on the system.

Svc opt not subscribed

The total number of ESM Bearer Allocate Reject messages sent, with the cause "Service Option Not Subscribed", for a specific ESM event associated with all MME services on the system.

EPS QoS Not Accepted

The total number of ESM Bearer Allocate Reject messages sent, for bearer allocation failures, with the cause "EPS QoS Not Accepted".

Bearer Modify Reject

The total number of ESM Bearer Modify Reject messages sent for a specific ESM event associated with all MME services on the system.

PTI Already in Use

The total number of ESM Bearer Modify Reject messages sent, with the cause "PTI Already in Use", for a specific ESM event associated with all MME services on the system.

Semantic Error TFT

The total number of ESM Bearer Modify Reject messages sent, with the cause "Semantic Error TFT", for a specific ESM event associated with all MME services on the system.

Syntactic Error TFT

The total number of ESM Bearer Modify Reject messages sent, with the cause "Syntactic Error TFT", for a specific ESM event associated with all MME services on the system.

Invalid Bearer Id

The total number of ESM Bearer Modify Reject messages sent, with the cause "Invalid Bearer Id", for a specific ESM event associated with all MME services on the system.

Collision with NW Op

The total number of ESM Bearer Modify Reject messages sent, with the cause "Collision with NW Op", for a specific ESM event associated with all MME services on the system.

Rejected By PGW/SGW

The total number of ESM Bearer Modify Reject messages sent, with the cause "Rejected By PGW/SGW", for a specific ESM event associated with all MME services on the system.

Invalid PTI

The total number of ESM Bearer Modify Reject messages sent, with the cause "Invalid PTI", for a specific ESM event associated with all MME services on the system.

Insufficient Resources

Authentication failed

The total number of ESM Bearer Modify Reject messages sent, with the cause "Authentication failed", for a specific ESM event associated with all MME services on the system.

Sv opt not supported

The total number of ESM Bearer Modify Reject messages sent, with the cause "Service Option Not Supported", for a specific ESM event associated with all MME services on the system.

Svc opt not subscribed

The total number of ESM Bearer Modify Reject messages sent, with the cause "Service Option Not Subscribed", for a specific ESM event associated with all MME services on the system.

Deactivate Bearer

The total number of ESM Deactivate Bearer messages sent for a specific ESM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted ESM Deactivate Bearer messages sent for a specific ECM event associated with all MME services on the system.

ESM Information Req

The total number of ESM Information Request messages sent for a specific ESM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted ESM Information Request messages sent for a specific ECM event associated with all MME services on the system.

Modify Bearer

The total number of ESM Modify Bearer messages sent for a specific ESM event associated with all MME services on the system.

Retransmissions

The total number of retransmitted ESM Modify Bearer messages sent for a specific ECM event associated with all MME services on the system.

PDN Connectivity Reject

The total number of ESM PDN Connectivity Reject messages sent.

PTI Already in Use

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #35: "PTI Already in Use".

Unknown or Missing APN

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #27: "Unknown or Missing APN".

Unknown PDN Type

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #28: "Unknown PDN Type".

Invalid Bearer Id

The total number of ESM PDN Connectivity Reject messages sent, with the cause code code #43: "Invalid EPS Bearer Id".

Invalid PTI

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #81: "Invalid PTI value".

Rejected By PGW/SGW

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #30: "Rejected By SGW or PGW".

Authentication failed

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #29: "User Authentication failed".

Sv opt not supported

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #32: "Service Option Not Supported".

Svc opt not subscribed

The total number of ESM PDN Connectivity Reject messages sent, with the cause code #33: "Service Option Not Subscribed".

Opr Determined Barring

The total number of ESM PDN Connectivity Reject messages sent with cause code #8: "Operator Determined Barring".

Insufficient Resource

The total number of ESM PDN Connectivity Reject messages sent with cause code #26: "Insufficient Resources".

Activation Rejected

The total number of ESM PDN Connectivity Reject messages sent with cause code #31: "Request rejected, unspecified".

Svc Opt Tmp OutofOrder

The total number of ESM PDN Connectivity Reject messages sent with cause code #34: "Service Option Temporarily Out of Order".

Protocol Errors

The total number of ESM PDN Connectivity Reject messages sent with any of the following Protocol Error cause codes: #95-101, or #111.

APN Restrict Incomt

The total number of ESM PDN Connectivity Reject messages sent with cause code #112: "APN Restriction Value Incompatible with Active EPS Bearer Content".

PDN Disconnect Reject

The total number of ESM PDN Disconnect Reject messages sent for a specific ESM event associated with all MME services on the system.

PTI Already in Use

The total number of ESM PDN Disconnect Reject messages sent, with the cause "PTI Already in Use", for a specific ESM event associated with all MME services on the system.

Last PDN Disconnection

The total number of ESM PDN Disconnect Reject messages sent, with the cause "Last PDN Disconnection", for a specific ESM event associated with all MME services on the system.

Invalid PTI

The total number of ESM PDN Disconnect Reject messages sent, with the cause "Invalid PTI", for a specific ESM event associated with all MME services on the system.

Invalid Bearer Id

The total number of ESM PDN Disconnect Reject messages sent, with the cause "Invalid Bearer Id", for a specific ESM event associated with all MME services on the system.

Received

This sub-group displays the statistics of all EPS Session Management (ESM) control messages received by an MME services on the system.

Clear-text messages

The total number of plain ESM messages (neither integrity protected nor ciphered) received by all MME services on the system.

Integrity-check enabled

The total number of integrity protected ESM messages received by all MME services on the system.

Ciphered messages

The total number of ciphered ESM messages received by all MME services on the system.

Accepted

The total number of ESM messages received by all MME services on the system and accepted for further processing.

Decode failures

The total number of ESM control messages received by all MME services on the system which the MME was unable to decode the message as per 3GPP TS 24.301.

Act Dedicated Brr Accept

The total number of ESM Activate Dedicated Bearer Accept messages received for a specific ESM event associated with all MME services on the system.

Act Dedicated Brr Reject

The total number of ESM Activate Dedicated Bearer Reject messages received for a specific ESM event associated with all MME services on the system.

Act Default Brr Accept

The total number of ESM Activate Default Bearer Accept messages received for a specific ESM event associated with all MME services on the system.

Act Default Brr Reject

The total number of ESM Activate Default Bearer Accept messages received for a specific ESM event associated with all MME services on the system.

Deactivate Brr Accept

The total number of ESM Deactivate EPS Bearer Context Accept messages received for a specific ESM event associated with all MME services on the system.

Brr Rsrc Alloc Request

The total number of ESM Bearer Resource Allocation Request messages received for a specific ESM event associated with all MME services on the system.

Brr Rsrc Modify Request

The total number of ESM Bearer Resource Modify Request messages received for a specific ESM event associated with all MME services on the system.

ESM Information Response

The total number of ESM Information Response messages received for a specific ESM event associated with all MME services on the system.

ESM Status

The total number of ESM Status messages received for a specific ESM event associated with all MME services on the system.

Modify Brr Ctxt Accept

The total number of ESM Modify Bearer Context Accept messages received for a specific ESM event associated with all MME services on the system.

Modify Brr Ctxt Reject

The total number of ESM Modify Bearer Context Reject messages received for a specific ESM event associated with all MME services on the system.

PDN Connectivity Request

The total number of ESM PDN Connectivity Request messages received for a specific ESM event associated with all MME services on the system.

PDN Disconnect Request

The total number of ESM PDN Disconnect Request messages received for a specific ESM event associated with all MME services on the system.

Handover Statistics

Intra MME Handover

This sub-group displays statistics of intra-MME handovers associated with all MME services on the system.

Path Update procedures

This sub-group under "Intra MME Handover" displays statistics of E-RAB Modification Indication procedures (procedure level stats) associated with all MME services on the system.

X2-based handovers

This sub-group displays the all X2-based (intra-MME) handover attempts/successes/failures associated with all MME services on the system.

S1-based handovers

This sub-group displays the all S1-based (Inter-MME) handover attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for the specific EPS handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific EPS handover associated with all MME services on the system.

EUTRAN<-> EUTRAN using S10 Interface

This sub-group displays the all S10-based (Inter-MME) handover attempts/successes/failures associated with all MME services on the system.

Outbound relocation using TAU procedure

This sub-group displays the all S10-based (Inter-MME) handover attempts/successes/failures based on outbound relocation using TAU (Tracking Area Update) procedures and associated with all MME services on the system.

Outbound relocation using S1 HO procedure

This sub-group displays the all S10-based (Inter-MME) handover attempts/successes/failures based on outbound relocation using S1 handover procedures and associated with all MME services on the system.

Inbound relocation using TAU procedure

This sub-group displays the all S10-based (Inter-MME) handover attempts/successes/failures based on inbound relocation using TAU procedures and associated with all MME services on the system.

Inbound relocation using S1 HO procedure

This sub-group displays the all S10-based (Inter-MME) handover attempts/successes/failures based on inbound relocation using S1 handover procedures and associated with all MME services on the system.

Attempted

The total number of attempts made for the specific EPS handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific EPS handover associated with all MME services on the system.

EUTRAN<-> UTRAN (Iu mode) SRNS Relocations using GnGp Interface

This sub-group displays the all GnGp-based (MME-3G/SGSN) attempts/successes/failures for SRNS (Serving Radio Network Subsystem) relocations associated with all MME services on the system.

Outbound relocation

This sub-group displays the all GnGp-based (MME-3G/SGSN) attempts/successes/failures for outbound SRNS relocations associated with all MME services on the system.

Inbound relocation

This sub-group displays the all GnGp-based (MME-3G/SGSN) attempts/successes/failures for inbound SRNS relocations associated with all MME services on the system.

Attempted

The total number of attempts made for the specific EPS handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific EPS handover associated with all MME services on the system.

EUTRAN<-> GERAN (A/Gb Mode) PS Handovers using GnGp Interface

This sub-group displays the all GnGp-based (MME-2G/SGSN) packet-switched handover via A/Gb mode attempts/successes/failures associated with all MME services on the system.

Outbound relocation

This sub-group displays the all GnGp-based (MME-2G/SGSN) packet-switched handover attempts/successes/failures based on outbound relocation and associated with all MME services on the system.

Inbound relocation

This sub-group displays the all GnGp-based (MME-2G/SGSN) packet-switched handover attempts/successes/failures based on inbound relocation and associated with all MME services on the system.

Attempted

The total number of attempts made for the specific EPS handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific EPS handover associated with all MME services on the system.

EUTRAN<-> UTRAN (Iu or A/Gb Mode) Cell Reselections using GnGp Interface

This sub-group displays the all GnGp-based (MME-R8/SGSN) cell reselection attempts/successes/failures associated with all MME services on the system.

Outbound relocation using RAU procedure

This sub-group displays the all GnGp-based (MME-R8/SGSN) cell reselection attempts/successes/failures based on outbound relocation using RAU procedures and associated with all MME services on the system.

Inbound relocation using TAU procedure

This sub-group displays the all GnGp-based (MME-R8/SGSN) cell reselection attempts/successes/failures based on inbound relocation using TAU procedures and associated with all MME services on the system.

EUTRAN<-> UTRAN (Iu mode) Inter-RAT Handovers using S3 Interface

This sub-group displays the all S3-based (MME-R8/SGSN) Inter-RAT handover attempts/successes/failures via Iu mode associated with all MME services on the system.

Outbound relocation

This sub-group displays the all S3-based (MME-R8/SGSN) Inter-RAT handover attempts/successes/failures based on outbound relocation and associated with all MME services on the system.

Inbound relocation

This sub-group displays the all S3-based (MME-R8/SGSN) Inter-RAT handover attempts/successes/failures based on inbound relocation and associated with all MME services on the system.

Attempted

The total number of attempts made for the specific EPS handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific EPS handover associated with all MME services on the system.

EUTRAN<-> GERAN (A/Gb mode) Inter-RAT Handovers using S3 Interface

This sub-group displays the all S3-based (MME-2.5G/SGSN) Inter-RAT handover attempts/successes/failures via A/Gb mode associated with all MME services on the system.

Outbound relocation

This sub-group displays the all S3-based (MME-2.5G/SGSN) Inter-RAT handover attempts/successes/failures via A/Gb mode based on outbound relocation and associated with all MME services on the system.

Inbound relocation

This sub-group displays the all S3-based (MME-2.5G/SGSN) Inter-RAT handover attempts/successes/failures via A/Gb mode based on inbound relocation and associated with all MME services on the system.

Attempted

The total number of attempts made for the specific EPS handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific EPS handover associated with all MME services on the system.

EUTRAN<-> UTRAN/GERAN (Iu or A/Gb Mode) Cell Reselections using S3 Interface

This group displays the all S3-based (MME-R8/2.5G/SGSN) cell reselection via Iu or A/Gb mode attempts/successes/failures associated with all MME services on the system.

Outbound relocation using RAU procedure

This sub-group displays the all GnGp-based (MME-R8/2.5G/SGSN) cell reselection attempts/successes/failures based on outbound relocation using RAU procedures and associated with all MME services on the system.

Inbound relocation using TAU procedure

This sub-group displays the all GnGp-based (MME-R8/2.5G/SGSN) cell reselection attempts/successes/failures based on inbound relocation using TAU procedures and associated with all MME services on the system.

Attempted

The total number of attempts made for the specific EPS handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific EPS handover associated with all MME services on the system.

EUTRAN<-> UTRAN/GERAN using Sv Interface

This group displays the all Sv-based (MME-R8/2.5G/SGSN) handover attempts/successes/failures associated with all MME services on the system.

CS only handover with no DTM support

This sub-group displays the all Sv-based (MME-R8/2.5G/SGSN) circuit-switched, non-DTM (Dual Transfer Mode) handover attempts/successes/failures and associated with all MME services on the system.

CS only handover

This sub-group displays the all Sv-based (MME-R8/2.5G/SGSN) circuit-switched handover attempts/successes/failures associated with all MME services on the system.

CS and PS handover

This sub-group displays the all Sv-based (MME-R8/2.5G/SGSN) circuit-switched and packet-switched handover attempts/successes/failures associated with all MME services on the system.

Attempted

The total number of attempts made for the specific handover type associated with all MME services on the system.

Success

The total number of successful handovers for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed for the specific handover associated with all MME services on the system.

EUTRAN<-> Non-3GPP Unoptimized Handovers

This group displays all non-3GPP non-optimized handover attempts/successes/failures associated with all MME services on the system.

Outbound relocation (Per PDN)

This sub-group displays all outbound non-3GPP handover attempts/successes/failures associated with all MME services on the system. These counters increment on a per-PDN basis.

Inbound relocation (Per PDN)

This sub-group displays the all outbound non-3GPP handover attempts/successes/failures associated with all MME services on the system. These counters increment on a per-PDN basis.

Attempted

The total number of attempts made for the specific handover type associated with all MME services on the system.

Success

The total number of successful handovers made for the specific handover type associated with all MME services on the system.

Failures

The total number of attempts that failed made for the specific handover type associated with all MME services on the system.

PDN Statistics

All PDNs

Displays statistics for all PDNs, connected and idle, through the MME service(s) on the system.

Connected PDNs

Displays statistics for connected PDNs through the MME service(s) on the system.

Idle PDNs

Displays statistics for idle PDNs through the MME service(s) on the system.

Emergency PDN Statistics

All PDNs

Displays statistics for all emergency PDNs, connected and idle, through the MME service(s) on the system.

Connected PDNs

Displays statistics for connected emergency PDNs through the MME service(s) on the system.

Idle PDNs

Displays statistics for idle emergency PDNs through the MME service(s) on the system.

DCNR User PDN Statistics

All PDNs

Displays statistics for all DCNR user PDNs, connected and idle, through the MME service(s) on the system.

Connected PDNs

Displays statistics for connected DCNR user PDNs through the MME service(s) on the system.

Idle PDNs

Displays statistics for idle DCNR user PDNs through the MME service(s) on the system.

Bearer Statistics

All Bearers

This sub-group displays statistics for all bearers, connected and idle, through the MME service(s) on the system.

Connected Bearers

This sub-group displays statistics for connected bearers through the MME service(s) on the system.

Idle Bearers

This sub-group displays statistics for idle bearers through the MME service(s) on the system.

Bearers Using Operator-Specific QCI

This sub-group displays statistics for all bearers, connected and idle, through the MME service(s) on the system, using operator specific QCI values.

ERAB Modification Indication:

Attempted

Indicates the number of bearers for which the E-RAB Modification Indication procedure is attempted (bearer level stats).

Success

Indicates the number of bearers for which the E-RAB Modification Indication procedure has succeeded (bearer level stats).

Failures

Indicates the number of bearers for which the E-RAB Modification Indication procedure has failed (bearer level stats).

Session Statistics

Attached Calls

This sub-group displays statistics for all calls, connected and idle, through the MME service(s) on the system.

Connected Calls

This sub-group displays statistics for connected calls through the MME service(s) on the system.

Idle Calls

This sub-group displays statistics for idle calls through the MME service(s) on the system.

Emergency Session Statistics

Attached Calls

This sub-group displays statistics for all emergency calls, connected and idle, through the MME service(s) on the system.

Connected Calls

This sub-group displays statistics for connected emergency calls through the MME service(s) on the system.

Idle Calls

This sub-group displays statistics for idle emergency calls through the MME service(s) on the system.

Unauthenticated Session Statistics

Attached Calls

This sub-group displays statistics for all unauthenticated calls, connected and idle, through the MME service(s) on the system.

Connected Calls

This sub-group displays statistics for connected and unauthenticated calls through the MME service(s) on the system.

Idle Calls

This sub-group displays statistics for idle unauthenticated calls through the MME service(s) on the system.

Disconnect Statistics

UE detached

The total number of disconnected sessions, with the reason "UE detached", originally connected through the MME service(s) on the system.

PGW detached

The total number of disconnected sessions, with the reason "PGW detached", originally connected through the MME service(s) on the system.

HSS detached

The total number of disconnected sessions, with the reason "HSS detached", originally connected through the MME service(s) on the system.

MME detached

The total number of disconnected sessions, with the reason "MME detached", originally connected through the MME service(s) on the system.

Implicit detach

The total number of disconnected sessions, with the reason "Implicit detach", originally connected through the MME service(s) on the system.

Local abort

The total number of disconnected sessions, with the reason "Local abort", originally connected through the MME service(s) on the system.

Authentication failure

The total number of disconnected sessions, with the reason "Authentication failure", originally connected through the MME service(s) on the system.

Sub parameter failure

The total number of disconnected sessions, with the reason "Sub parameter failure", originally connected through the MME service(s) on the system.

Other reasons

The total number of disconnected sessions, with the reason "Other reasons", originally connected through the MME service(s) on the system.

ISR Deactivation Statistics

S3 path failure

The total number of Idle mode Signaling Reduction (ISR) deactivations due to failure in the S3 interface.

SGSN local detach

The total number of Idle mode Signaling Reduction (ISR) deactivations due to SGSN detach notification.

SGW relocation

The total number of Idle mode Signaling Reduction (ISR) deactivations due to SGW relocation of the session to an MME/SGSN which does not support ISR.

CN Node relocation

The total number of Idle mode Signaling Reduction (ISR) deactivations due to CN Node relocation of the session to an MME/SGSN which does not support ISR.

Implicit detach

The total number of Idle mode Signaling Reduction (ISR) deactivations due to an idle timeout (implicit detach) initiated by either the MME or Peer SGSN.

Other detach procedures

The total number of Idle mode Signaling Reduction (ISR) deactivations due to an idle timeout (implicit detach) initiated by either the MME or Peer SGSN.

Other reasons

The total number of Idle mode Signaling Reduction (ISR) deactivations due to a reason not otherwise classified by one of the other ISR Deactivation Statistics categories.

GUTI Reallocation

This group displays policy triggered GUTI re-allocation procedure statistics.

Attempted

The total number of GUTI Reallocation procedures attempted for this MME service.

Failures

The total number of GUTI Reallocation procedure failures for this MME service.

Success

The total successful number of GUTI Reallocations procedures completed successfully for this MME service.

GUTI Reallocation

This group displays message statistics for policy triggered GUTI re-allocation.

Attach Accept

Number of non-retransmitted NAS Attach Accept messages sent that contained the reallocated GUTI identifier.

Retransmissions

Number of retransmitted NAS Attach Accept messages sent that contained the reallocated GUTI identifier.

TAU Accept

Number of non-retransmitted NAS TAU Accept messages sent that contained the reallocated GUTI identifier.

Retransmissions

Number of retransmitted NAS TAU Accept messages sent that contained the reallocated GUTI identifier.

GUTI Reallocation cmd

Number of non-retransmitted NAS GUTI Reallocation Command messages sent.

Retransmissions

Number of retransmitted NAS GUTI Reallocation Command messages sent.

Paging Initiation for PS ARP-N Events

Displays paging initiation information for packet switched ARP events.

Attempted

Displays the number of paging events attempted.

Success

Displays the number of successful paging events.

Failures

Displays the number of failed paging events.

Success at Last n eNB

Displays the number of successful paging events at the last known eNodeB.

Success at Last TAI

Displays the number of successful paging events at the last TAI.

Success at TAI List

Displays the number of S13 additional IMEI checks that timed out during attach procedures.

Paging Initiation for PS APN-Profile Events

Displays paging initiation information for packet switched APN profile events.

Attempted

Displays the number of paging events attempted.

Success

Displays the number of successful paging events.

Failures

Displays the number of failed paging events.

Success at Last n eNB

Displays the number of successful paging events at the last known eNodeB.

Success at Last TAI

Displays the number of successful paging events at the last TAI.

Success at TAI List

Displays the number of successful paging events at the TAI list.

Paging Initiation for PS SMS Events:

Attempted

The total number of ECM statistics-related PS SMS Paging Initiation events that were attempted.

Success

The total number of ECM statistics-related PS SMS Paging Initiation events that were successful.

Failures

The total number of ECM statistics-related PS SMS Paging Initiation events that failed.

Success at Last n eNB

The total number of ECM statistics-related PS SMS Paging Initiation events that succeeded at the last known eNodeB.

Success at Last TAI

The total number of ECM statistics-related PS SMS Paging Initiation events that succeeded at an eNodeB in the TAI from which the UE was last heard.

Success at TAI List

The total number of ECM statistics-related PS SMS Paging Initiation events that succeeded at an eNodeB in all TAIs present in the TAI list assigned to the UE.

S13 Statistics:

Additional ME Identity Check Procedures (Attach):

Requests:

Displays the number of S13 additional IMEI checks requested during attach procedures.

Answer:

Displays the number of S13 additional IMEI checks answered during attach procedures.

Success:

Displays the number of S13 additional IMEI checks that were successful during attach procedures.

Failure:

Displays the number of S13 additional IMEI checks that failed during attach procedures.

Additional ME Identity Check Procedures (TAU):

Requests:

Displays the number of S13 additional IMEI checks requested during a TAU.

Answer:

Displays the number of S13 additional IMEI checks answered during a TAU.

Success:

Displays the number of S13 additional IMEI checks that were successful during TAU.

Failure:

Displays the number of S13 additional IMEI checks that failed during TAU.

Timeout:

Displays the number of S13 additional IMEI checks that timed out during TAU.

Additional ME Identity Check Procedures (Handover):

Requests:

Displays the number of S13 additional IMEI checks requested during handover procedures.

Answer:

Displays the number of S13 additional IMEI checks answered during handover procedures.

Success:

Displays the number of S13 additional IMEI checks that were successful during handover procedures.

Failure:

Displays the number of S13 additional IMEI checks that failed during handover procedures.

Timeout:

Displays the number of S13 additional IMEI checks that timed out during handover procedures.

EDRX Subscribers

Displays information about the eDRX subscribers.

Attached Calls

Displays the number of attached subscribers for which eDRX is enabled.

DDN Rejects

Displays the number of DDNs rejected when eDRX subscribers cannot be paged (UE is out of the paging window).

NB-IoT Subscribers

Displays information about NB-IoT subscribers

Attached Calls

Displays the number of attached calls for NB-IoT subscribers.

Connected Calls

Displays the number of connected calls for NB-IoT subscribers.

Idle Calls

Displays the number of idle calls for NB-IoT subscribers.

Attach Without PDN Subscribers

Displays information about the Attach without PDN subscribers.

Attached Calls

Displays the number of attached calls for Attach without PDN subscribers.

Connected Calls

Displays the number of connected calls for Attach without PDN subscribers.

Idle Calls

Displays the number of idle calls for Attach without PDN subscribers.

Low Power Subscribers:

NB-IoT Attached Calls

The current total number of attached low power subscribers which are operating in NB-IoT.

EUTRAN Attached Calls

The current total number of attached low power subscribers which are operating in E-UTRAN.

CE-mode-B Capable Subscribers:

Attached Calls

Displays the number of attached calls by CE Mode-B subscribers.

Connected Calls

Displays the number of connected calls by CE Mode-B subscribers.

Idle Calls

Displays the number of idle calls by CE Mode-B subscribers.

NB-IoT Statistics

Displays the following NB-IoT statistics:

• Handover Denied

• Path Sw Failure

• HO Prep Failure

• Inter MME Denied (TAU Reject)

• Src Peer Node Gn SGSN

• Src Peer Node S3 SGSN

• NB-IoT RAT as Src

• NB-IoT RAT as Tgt

• Intra MME Denied (TAU Reject)

• NB-IoT RAT as Src

• NB-IoT RAT as Tgt

• Inter MME Denied (Context Failure)

• Tgt Peer Node Gn SGSN

• Tgt Peer Node S3 SGSN

• NB-IoT RAT as Src

• NB-IoT RAT at Tgt

• Inter MME Denied (Forward Relocation Reject)

• NB-IoT RAT as Tgt

Attach Without PDN Statistics

Displays the following Attach without PDN statistics:

• Attach Procedure

• Attach Request Rcvd

• Attach Accept Sent

• Attach Complete Rcvd

• Attach Reject Sent

• Config Err NB-IoT

• Config Err WB-Eutran

• Intra MME TAU Procedure

• TAU Request Rcvd

• TAU Accept Sent

• TAU Complete Rcvd

• Inter MME TAU Procedure

• TAU Request Rcvd

• TAU Accept Sent

• TAU Complete Rcvd

• TAU Reject Sent

• Config Err NB-IoT

• Config Err WB-Eutran

• PDN Procedure

• PDN Conn Req after wopdn

• PDN Conn Succ wopdn

• Last PDN Del wo Detach

• Inter MME Denied (Context Failure)

• No WOPDN sup by S3 SGSN

• No WOPDN sup by Peer MME

• No WOPDN sup by MME

S-GW Restoration

Attempted

Indicates the total number of PDNs attempted for S-GW restoration at a service level.

Down

Indicates the total number of PDNs attempted for S-GW restoration at service level due to an S-GW being down.

Restart

Total number of PDNs attempted for S-GW restoration at service level due to an S-GW being restarted.

UE PDN Restored

Emergency

Indicates the number of emergency PDNs restored during S-GW restoration.

IMS

Indicates the number of IMS PDNs restored during S-GW restoration

Normal

Indicates the number of normal PDNs restored during S-GW restoration

UE PDN Failed

Emergency

Indicates the number of unsuccessful emergency PDNs during S-GW restoration.

IMS

Indicates the number of unsuccessful IMS PDNs during S-GW restoration.

Normal

Indicates the number of unsuccessful IMS PDNs during S-GW restoration.

SGW Restoration Failure

Invalid UE S-GW context

Indicates S-GW restoration procedure failure due to invalid S-GW context.

No EPS Bearer Active

Indicates S-GW restoration procedure failure because of unavailable EPC bearers active for the UE.

S-GW Selection Failure

Indicates S-GW restoration procedure failure due to S-GW selection failure for a UE.

S-GW Reloc Proc Failed

Indicates S-GW restoration procedure failure when the procedure responsible to trigger S-GW relocation has failed.

Create Session Failure

Indicates S-GW restoration procedure failure when a Create Session Response failure message is received from a peer.

Abort

Indicates S-GW restoration procedure failure due to timeout or high priority procedure.

Decor Statistics

Attached Calls

Indicates the number of MME sessions attached that have an associated UE usage type.

Initial Requests:

ATTACH

Accepts

Indicates the total number of Initial Attach Requests accepted by the MME, which functions as a DCN.

Reroutes

Indicates the total number of Initial Attach Requests rerouted by the MME, which functions as a DCN.

Rejects

Indicates the total number of Initial Attach Rejects due to No Reroute data and not handled by the MME, which functions as a DCN.

TAU

Accepts

Indicates the total number of Initial TAU Requests accepted by the MME, which functions as a DCN.

Reroutes

Indicates the total number of Initial TAU Requests rerouted by the MME, which functions as a DCN.

Rejects

Indicates the total number of Initial TAU Rejects due to No Reroute data and not handled by the MME, which functions as a DCN.

Rerouted Requests:

ATTACH

Accepts

Indicates the total number of Rerouted Attach Requests accepted by the MME, which functions as a DCN.

Rejects

Indicates the total number of Rerouted Attach Requests rejected by the MME, which functions as a DCN.

TAU

Accepts

Indicates the total number of Rerouted TAU Requests accepted by the MME, which functions as a DCN.

Rejects

Indicates the total number of Rerouted TAU Requests rejected by the MME, which functions as a DCN.

UE-Usage-Type Source

HSS

Indicates the number of MME subscriber sessions, where UE usage type was obtained from HSS/AUC.

UE Context

Indicates the number of MME subscriber sessions, where UE usage type was obtained from MME DB record.

Peer MME

Indicates the number of MME subscriber sessions, where UE usage type was obtained from peer MME as part of handover.

Peer SGSN

Indicates the number of MME subscriber sessions, where UE usage type was obtained from peer SGSN as part of handover.

Config

Indicates the number of MME subscriber sessions, where UE usage type was obtained from local configuration.