show ip cef epoch
To display the epoch information for the adjacency table and all FIB tables, use the show ip cef epoch command.
show ip cef epoch
Syntax Description
This command has no arguments or keywords.
Command Default
This command has no default settings.
Command Modes
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
These show commands also display the epoch information for the following:
•
show ip cef summary—Displays the table epoch for a specific FIB table.
•
show ip cef detail—Displays the epoch value for each entry of a specific FIB table.
•
show adjacency summary—Displays the adjacency table epoch.
•
show adjacency detail—Displays the epoch value for each entry of the adjacency table.
Examples
This example shows how to display epoch information:
Router# show ip cef epoch
Table epoch:2 (164 entries at this epoch)
Table epoch:1 (33 entries at this epoch)
This example shows the output after you clear the epoch table and increment the epoch number:
Router# show ip cef epoch
Table epoch:2 (164 entries at this epoch)
Table epoch:1 (33 entries at this epoch)
Router# clear ip cef epoch full
Router# show ip cef epoch
Table epoch:3 (164 entries at this epoch)
Table epoch:2 (33 entries at this epoch)
Syntax Description
|
|
clear ip cef epoch full |
Begins a new epoch and increments the epoch number for all tables (including the adjacency table). |
show ip cef |
Displays entries in the FIB or displays a summary of the FIB. |
show ip cef inconsistency
To display the IP CEF inconsistencies, use the show ip cef inconsistency command.
show ip cef [vrf vrf-name] inconsistency [records [detail]]
Syntax Description
vrf vrf-name |
(Optional) Specifies a VRF instance. |
records |
(Optional) Displays all recorded inconsistencies. |
detail |
(Optional) Displays the detailed information for each CEF table entry. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
This command displays the recorded IP CEF inconsistency records found by the lc-detect, scan-rp, scan-rib, and scan-lc detection mechanisms.
You can configure the IP CEF-prefix consistency-detection mechanisms using the ip cef table consistency-check command.
Examples
This example shows how to display the recorded CEF inconsistency records:
Router# show ip cef inconsistency
Table consistency checkers (settle time 65s)
0/0/0 queries sent/ignored/received
scan-lc:running [100 prefixes checked every 60s]
0/0/0 queries sent/ignored/received
scan-rp:running [100 prefixes checked every 60s]
0/0/0 queries sent/ignored/received
scan-rib:running [1000 prefixes checked every 60s]
0/0/0 queries sent/ignored/received
Inconsistencies:0 confirmed, 0/16 recorded
Table 2-46 describes the fields shown in the display.
Table 2-46 show ip cef inconsistency Field Descriptions
|
|
settle time |
Time after a recorded inconsistency is confirmed. |
lc-detect running |
Consistency checker lc-detect is running. |
0/0/0 queries |
Number of queries sent, ignored, and received. |
Inconsistencies: |
Number of inconsistencies confirmed and recorded. The maximum number of inconsistency records to be recorded is 16. |
Related Commands
show ip cef summary
To display a summary of the IP CEF table, use the show ip cef summary command.
show ip cef summary
Syntax Description
This command has no keywords and arguments.
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display a summary of the IP CEF table:
Router# show ip cef summary
IP Distributed CEF with switching (Table Version 25), flags=0x0
21 routes, 0 reresolve, 0 unresolved (0 old, 0 new), peak 1
21 leaves, 16 nodes, 19496 bytes, 36 inserts, 15 invalidations
0 load sharing elements, 0 bytes, 0 references
universal per-destination load sharing algorithm, id 5163EC15
3(0) CEF resets, 0 revisions of existing leaves
Resolution Timer: Exponential (currently 1s, peak 1s)
0 in-place/0 aborted modifications
refcounts: 4377 leaf, 4352 node
Table epoch: 0 (21 entries at this epoch)
Adjacency Table has 9 adjacencies
show ip cef vlan
To display the information about the IP CEF VLAN interface status, the configuration, and the prefixes for a specific interface, use the show ip cef vlan command.
show ip cef vlan vlan-id [detail]
Syntax Description
vlan-id |
VLAN number; valid values are from 1 to 4094. |
detail |
(Optional) Displays the detailed information about the IP CEF VLAN interface. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the prefixes for a specific VLAN:
Router> show ip cef vlan 1003
Prefix Next Hop Interface
0.0.0.0/0 172.20.52.1 FastEthernet3/3
10.7.0.0/16 172.20.52.1 FastEthernet3/3
10.16.18.0/23 172.20.52.1 FastEthernet3/3
This example shows how to display detailed IP CEF information for a specific VLAN:
Router> show ip cef vlan 1003 detail
IP Distributed CEF with switching (Table Version 2364), flags=0x0
1383 routes, 0 reresolve, 0 unresolved (0 old, 0 new)
1383 leaves, 201 nodes, 380532 bytes, 2372 inserts, 989 invalidations
0 load sharing elements, 0 bytes, 0 references
universal per-destination load sharing algorithm, id 9B6C9823
3 CEF resets, 0 revisions of existing leaves
refcounts: 54276 leaf, 51712 node
Adjacency Table has 5 adjacencies
show ip dhcp relay information trusted-sources
To list all the configured trusted interfaces, use the show ip dhcp relay information trusted-sources command.
show ip dhcp relay information trusted-sources
Syntax Description
This command has no arguments or keywords.
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display a list of all the configured trusted interfaces:
Router
# show ip dhcp relay information trusted-sources
List of trusted sources of relay agent information option:
Related Commands
show ip dhcp snooping
To display the DHCP snooping configuration, use the show ip dhcp snooping command.
show ip dhcp snooping [statistics [detail]]
Syntax Description
statistics |
(Optional) Displays statistics information about DHCP snooping. |
detail |
(Optional) Displays the detailed information about DHCP snooping. |
Command Default
This command has no default settings.
Command Modes
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the DHCP snooping configuration:
Router# show ip dhcp snooping
Switch DHCP snooping is enabled
DHCP snooping is configured on following VLANs:
Insertion of option 82 is enabled
Interface Trusted Rate limit (pps)
-------------------- ------- ----------------
This example shows how to display the DHCP snooping statistics information:
Router# show ip dhcp snooping statistics
Packets Processed by DHCP Snooping = 0
Interface is in errdisabled = 0
Received on untrusted ports = 0
Source mac not equal to chaddr = 0
Insertion of opt82 fail = 0
Unknown output interface = 0
This example shows how to display detailed DHCP snooping statistics information:
Router# show ip dhcp snooping statistics detail
Packets Dropped From untrusted ports = 0
Related Commands
show ip dhcp snooping binding
To display the DHCP snooping binding entries, use the show ip dhcp snooping binding command.
show ip dhcp snooping binding [ip-address] [mac-address] [vlan vlan]
[interface interface interface-num]
Syntax Description
ip-address |
(Optional) IP address for the binding entries. |
mac-address |
(Optional) MAC address for the binding entries. |
vlan vlan |
(Optional) Specifies a valid VLAN number; valid values are from 1 to 4094. |
interface interface |
(Optional) Specifies the interface type; possible valid values are ethernet, fastethernet, gigabitethernet, and tengigabitethernet. |
interface-num |
Module and port number. |
Command Default
If no argument is specified, the switch displays the entire DHCP snooping binding table.
Command Modes
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
DHCP snooping is enabled on a VLAN only if both the global snooping and the VLAN snooping are enabled.
Examples
This example shows how to display the DHCP snooping binding entries for a switch:
Router# show ip dhcp snooping binding
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------- ----- ------------
0000.0100.0201 10.0.0.1 1600 dhcp-snooping 100 FastEthernet3/1
This example shows how to display an IP address for DHCP snooping binding entries:
Router# show ip dhcp snooping binding 172.100.101.102
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------- ----- ------------
0000.0100.0201 172.100.101.102 1600 dhcp-snooping 100 FastEthernet3/1
This example shows how to display the MAC address for the DHCP snooping binding entries:
Router# show ip dhcp snooping binding 55.5.5.2 0002.b33f.3d5f
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- --------------------
00:02:B3:3F:3D:5F 55.5.5.2 492 dhcp-snooping 99 FastEthernet6/36
This example shows how to display the DHCP snooping binding entries' MAC address for a specific VLAN:
Router# show ip dhcp snooping binding 55.5.5.2 0002.b33f.3d5f vlan 99
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- --------------------
00:02:B3:3F:3D:5F 55.5.5.2 479 dhcp-snooping 99 FastEthernet6/36
This example shows how to display the dynamic DHCP snooping binding entries:
Router# show ip dhcp snooping binding dynamic
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------ ----- ------------
0000.0100.0201 10.0.0.1 1600 dhcp-snooping 100 FastEthernet3/1
This example shows how to display the DHCP snooping binding entries on VLAN 100:
Router# show ip dhcp snooping binding vlan 100
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------ ----- ------------
0000.0100.0201 10.0.0.1 1600 dhcp-snooping 100 FastEthernet3/1
This example shows how to display the DHCP snooping binding entries on Ethernet interface 0/1:
Router# show ip dhcp snooping binding interface fastethernet3/1
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------ ----- ------------
0000.0100.0201 10.0.0.1 1600 dhcp-snooping 100 FastEthernet3/1
Table 2-47 describes the fields in the show ip dhcp snooping command output.
Table 2-47 show ip dhcp snooping Command Output
|
|
Mac Address |
Client hardware MAC address. |
IP Address |
Client IP address assigned from the DHCP server. |
Lease (seconds) |
IP address lease time. |
Type |
Binding type; statically configured from CLI or dynamically learned. |
VLAN |
VLAN number of the client interface. |
Interface |
Interface that connects to the DHCP client host. |
Related Commands
show ip dhcp snooping database
To display the status of the DHCP snooping database agent, use the show ip dhcp snooping database command.
show ip dhcp snooping database [detail]
Syntax Description
detail |
(Optional) Provides additional operating state and statistics information. |
Command Default
This command has no default settings.
Command Modes
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the DHCP snooping database:
Router# show ip dhcp snooping database
Write delay Timer : 300 seconds
Abort Timer : 300 seconds
Delay Timer Expiry : Not Running
Abort Timer Expiry : Not Running
Last Succeded Time : None
Last Failed Reason : No failure recorded.
Total Attempts : 0 Startup Failures : 0
Successful Transfers : 0 Failed Transfers : 0
Successful Reads : 0 Failed Reads : 0
Successful Writes : 0 Failed Writes : 0
This example shows how to view additional operating statistics:
Router# show ip dhcp snooping database detail
Agent URL : tftp://10.1.1.1/directory/file
Write delay Timer : 300 seconds
Abort Timer : 300 seconds
Delay Timer Expiry : 7 (00:00:07)
Abort Timer Expiry : Not Running
Last Succeded Time : None
Last Failed Time : 17:14:25 UTC Sat Jul 7 2001
Last Failed Reason : Unable to access URL.
Total Attempts : 21 Startup Failures : 0
Successful Transfers : 0 Failed Transfers : 21
Successful Reads : 0 Failed Reads : 0
Successful Writes : 0 Failed Writes : 21
First successful access: Read
Last ignored bindings counters :
Binding Collisions : 0 Expired leases : 0
Invalid interfaces : 0 Unsupported vlans : 0
Total ignored bindings counters:
Binding Collisions : 0 Expired leases : 0
Invalid interfaces : 0 Unsupported vlans : 0
Related Commands
show ip flow-export
To display the information about the software-switched flows for the data export, including the main cache and all other enabled caches, use the show ip flow export command.
show ip flow export [template | verbose]
Syntax Description
template |
(Optional) Displays export template statistics information. |
verbose |
(Optional) Displays verbose export statistics information. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the information about the software-switched flows for NDE:
Router# show ip flow export
Flow export v1 is disabled for main cache
0 flows exported in 0 udp datagrams
0 flows failed due to lack of export packet
0 export packets were sent up to process level
0 export packets were dropped due to no fib
0 export packets were dropped due to adjacency issues
0 export packets were dropped due to fragmentation failures
0 export packets were dropped due to encapsulation fixup failures
0 export packets were dropped enqueuing for the RP
0 export packets were dropped due to IPC rate limiting
This example shows how to display export template statistics information:
Router# show ip flow export template
No Template export information
No Option Templates exist
Template Options Flag = 0
Total number of Templates added = 0
Total active Templates = 0
Flow Templates active = 0
Option Templates active = 0
Option Templates added = 0
Option Template ager polls = 0
Main cache version 9 export is disabled
This example shows how to display export verbose statistics information:
Router# show ip flow export verbose
Flow export v1 is disabled for main cache
0 flows exported in 0 udp datagrams
0 flows failed due to lack of export packet
0 export packets were sent up to process level
0 export packets were dropped due to no fib
0 export packets were dropped due to adjacency issues
0 export packets were dropped due to fragmentation failures
0 export packets were dropped due to encapsulation fixup failures
0 export packets were dropped enqueuing for the RP
0 export packets were dropped due to IPC rate limiting
Related Commands
|
|
clear adjacency |
Clears the CEF adjacency table. |
ip flow-aggregation cache |
Creates a flow-aggregation cache and enters the aggregation cache configuration mode. |
show ip igmp groups
To display the multicast groups with receivers that are directly connected to the router and that were learned through IGMP, use the show ip igmp groups command.
show ip igmp [vrf vrf-name] groups [group-name | group-address | interface-type interface-number] [detail]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
group-name |
(Optional) Name of the multicast group as defined in the DNS hosts table. |
group-address |
(Optional) Address of the multicast group in four-part, dotted-decimal notation. |
interface-type |
(Optional) Interface type. |
interface-number |
(Optional) Interface number. |
detail |
(Optional) Provides a detailed description of the sources that are known through IGMP Version 3 (IGMPv3), IGMP v3lite, or URL Rendezvous Directory (URD). |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
If you omit all optional arguments and keywords, the show ip igmp groups command displays all directly connected multicast groups by group address, interface type, and interface number.
Examples
This example shows how to display output from the show ip igmp groups command:
Router# show ip igmp groups
IGMP Connected Group Membership
Group Address Interface Uptime Expires Last Reporter
239.255.255.254 Ethernet3/1 1w0d 00:02:19 172.21.200.159
224.0.1.40 Ethernet3/1 1w0d 00:02:15 172.21.200.1
224.0.1.40 Ethernet3/3 1w0d never 172.16.214.251
224.0.1.1 Ethernet3/1 1w0d 00:02:11 172.21.200.11
224.9.9.2 Ethernet3/1 1w0d 00:02:10 172.21.200.155
232.1.1.1 Ethernet3/1 5d21h stopped 172.21.200.206
This example shows how to display output from the show ip igmp groups command with the group-address argument and detail keyword:
Router# show ip igmp groups 232.1.1.1 detail
Last reporter: 10.0.119.133
Group source list: (C - Cisco Src Report, U - URD, R - Remote)
Source Address Uptime v3 Exp CSR Exp Fwd Flags
172.16.214.1 01:58:28 stopped 00:02:31 Yes C
Table 2-48 describes the fields shown in the displays.
Table 2-48 show ip igmp groups Field Descriptions
|
|
Group Address |
Address of the multicast group. |
Interface |
Interface through which the group is reachable. |
Uptime |
Time in weeks, days, hours, minutes, and seconds that this multicast group has been known. |
Expires |
Time in weeks, days, hours, minutes, and seconds until the entry expires. If an entry expires, then the entry (for a short period) shows "now" before it is removed. "never" indicates that the entry will not time out, because a local receiver is on this router for this entry. "stopped" indicates that timing out of this entry is not determined by this expire timer. If the router is in INCLUDE mode for a group, then the whole group entry times out after the last source entry has timed out (unless the mode is changed to EXCLUDE mode before it times out). |
Last Reporter |
Last host to report being a member of the multicast group. Both IGMP v3lite and URD require a v2-report. |
Group mode: |
Either INCLUDE or EXCLUDE. The group mode is based on the type of membership reports that are received on the interface for the group. In the output for the show ip igmp groups detail command, the EXCLUDE mode also shows the Expires: field for the group entry (not shown in the output). |
CSR Grp Exp |
Shown for multicast groups in the SSM range. It indicates the time (in hours, minutes, and seconds) since the last received group membership report was received. Cisco IOS software needs to use these reports for the operation of URD and IGMP v3lite, but the reports do not indicate group membership by themselves. |
Group source list: |
Details of which sources have been requested by the multicast group. |
Source Address |
IP address of the source. |
Uptime |
Time since the source state was created. |
v3 Exp |
Time in hours, minutes, and seconds until the membership for the source times out according to IGMP operations. "stopped" displays if no member uses IGMPv3 (but only IGMP v3lite or URD). |
CSR Exp |
Time in hours, minutes, and seconds until the membership for the source times out according to IGMP v3lite or URD reports. "stopped" displays if members use only IGMPv3. |
Fwd |
Status of whether the router is forwarding multicast traffic due to this entry. |
Flags |
Information about the entry. The Remote flag indicates that an IGMPv3 report has been received by this source. The C flag indicates that an IGMP v3lite or URD report was received by this source. The U flag indicates that a URD report was received for this source. |
Related Commands
|
|
ip igmp query-interval |
Configures the frequency at which Cisco IOS software sends IGMP host query messages. |
show ip igmp interface
To display the information about the IGMP-interface status and configuration, use the show ip igmp interface command.
show ip igmp [vrf vrf-name] interface [{interface [interface-number]} | {null interface-number} | {vlan vlan-id}]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
interface |
(Optional) Interface type; possible valid values are ethernet, fastethernet, gigabitethernet, tengigabitethernet, pos, atm, and ge-wan. |
interface-number |
(Optional) Module and port number; see the "Usage Guidelines" section for valid values. |
null interface-number |
Specifies the null interface; the valid value is 0. |
vlan vlan-id |
Specifies the VLAN; valid values are from 1 to 4094. |
Command Default
If you do not specify a VLAN, information for VLAN 1 is shown.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The interface-number argument designates the module and port number. Valid values for interface-number depend on the specified interface type and the chassis and module that are used. For example, if you specify a Gigabit Ethernet interface and have a 48-port 10/100BASE-T Ethernet module that is installed in a 13-slot chassis, valid values for the module number are from 1 to 13 and valid values for the port number are from 1 to 48.
If you omit the optional arguments, the show ip igmp interface command displays information about all interfaces.
Examples
This example shows how to display IGMP information for VLAN 43:
Router# show ip igmp interface vlan 43
Vlan43 is up, line protocol is up
Internet address is 43.0.0.1/24
IGMP is enabled on interface
Current IGMP host version is 2
Current IGMP router version is 2
IGMP query interval is 60 seconds
IGMP querier timeout is 120 seconds
IGMP max query response time is 10 seconds
Last member query count is 2
Last member query response interval is 1000 ms
Inbound IGMP access group is not set
IGMP activity: 1 joins, 0 leaves
Multicast routing is enabled on interface
Multicast TTL threshold is 0
Multicast designated router (DR) is 43.0.0.1 (this system)
IGMP querying router is 43.0.0.1 (this system)
Multicast groups joined by this system (number of users):
IGMP snooping is globally enabled
IGMP snooping is enabled on this interface
IGMP snooping fast-leave is disabled and querier is disabled
IGMP snooping explicit-tracking is enabled on this interface
IGMP snooping last member query interval on this interface is 1000 ms
Related Commands
show ip igmp snooping explicit-tracking
To display the information about the explicit host-tracking status for IGMPv3 hosts, use the show ip igmp snooping explicit-tracking command.
show ip igmp snooping explicit-tracking {vlan vlan-id}
Syntax Description
vlan vlan-id |
Specifies the VLAN; see the "Usage Guidelines" section for valid values. |
Command Default
If you do not specify a VLAN, information for VLAN 1 is shown.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
Explicit host tracking is supported only with IGMPv3 hosts.
Examples
This example shows how to display the information about the explicit host-tracking status for IGMPv3 hosts:
Router# show ip igmp snooping explicit-tracking vlan 25
Source/Group Interface Reporter Filter_mode
------------------------------------------------------------------------
10.1.1.1/226.2.2.2 Vl25:1/2 16.27.2.3 INCLUDE
10.2.2.2/226.2.2.2 Vl25:1/2 16.27.2.3 INCLUDE
Related Commands
show ip igmp snooping mrouter
To display the information about the dynamically learned and manually configured multicast router interfaces, use the show ip igmp snooping mrouter command.
show ip igmp snooping mrouter [{vlan vlan-id}]
Syntax Description
vlan vlan-id |
(Optional) Specifies a VLAN; valid values are from 1 to 4094. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
You can also use the show mac-address-table command to display entries in the MAC-address table for a VLAN that has IGMP snooping enabled.
You can display IGMP snooping information for VLAN interfaces by entering the show ip igmp vlan vlan-num command.
Examples
This example shows how to display the information about IGMP snooping for a specific VLAN:
Router#
show ip igmp snooping mrouter vlan 1
-----+----------------------------------------
1 Gi1/1,Gi2/1,Fa3/48,Router
Related Commands
show ip igmp snooping rate-limit
To display the information about the IGMP snooping rate limit, use the show ip igmp snooping rate-limit command.
show ip igmp snooping rate-limit [statistics | vlan vlan-id]
Syntax Description
statistics |
(Optional) Displays IGMP snooping statistics. |
vlan vlan-id |
(Optional) Specifies a VLAN; valid values are from 1 to 4094. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the statistics for IGMP snooping rate limiting:
Router#
show ip igmp snooping rate-limit statistics
Max IGMP messages incoming rate : Not configured
Vlan Incoming rate Rate-limiting ON Disable count Time to Enable
-----+---------------+----------------+---------------+---------------+
This example shows how to display IGMP snooping rate-limit information for a specific VLAN:
Router#
show ip igmp snooping rate-limit vlan 19
Max IGMP messages incoming rate : 200 pps
Vlan Incoming IGMP rate (in pps)
--------+---------------------------------
Related Commands
show ip igmp snooping statistics
To display IGMPv3 statistics, use the show ip igmp snooping statistics command.
show ip igmp snooping statistics [{interface interface [interface-number]} | {port-channel number} | {vlan vlan-id}]
Syntax Description
interface interface |
(Optional) Displays IGMP statistics for the specified interface type; possible valid values are ethernet, fastethernet, and gigabitethernet. |
interface-number |
(Optional) Multicast-related statistics for the specified module and port; see the "Usage Guidelines" section for valid values. |
port-channel number |
(Optional) Displays multicast-related statistics for the specified port-channel; valid values are from 1 to 282. |
vlan vlan-id |
(Optional) Displays multicast-related statistics for the specified VLAN; valid values for vlan-id are from 1 to 4094. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The show ip igmp snooping statistics command displays the following statistics:
•
List of ports that are members of a group
•
Filter mode
•
Reporter-address behind the port
•
Additional information (such as the last-join and last-leave collected since the previous time that a clear ip igmp snooping statistics command was issued)
The interface-number argument designates the module and port number. Valid values for interface-number depend on the specified interface type and the chassis and module that are used. For example, if you specify a Gigabit Ethernet interface and have a 48-port 10/100BASE-T Ethernet module that is installed in a 13-slot chassis, valid values for the module number are from 1 to 13 and valid values for the port number are from 1 to 48.
The port-channel number values from 257 to 282 are supported on the CSM and the FWSM only.
The #hosts behind the VLAN is displayed only if you define the max-hosts policy on the specified VLAN and enable the log policy for the specified VLAN.
Examples
This example shows how to display IGMPv3 statistics:
Router# show ip igmp snooping statistics interface FastEthernet5/1
Service-policy: Policy1policy tied with this interface
Query Rx: 2901 GS Query Rx: 0 V3 Query Tot Rx: 0
Join Rx: 8686 Leave Rx: 0 V3 Report Rx: 2300
Join Rx from router ports: 8684 Leave Rx from router ports: 0
Channel/Group Interface Reporter Uptime Last-Join Last-Leave
10.7.20.1,239.1.1.1 F5/1 10.5.20.1 00:12:00 1:10:00 -
10.7.30.1,239.1.1.1 F5/1 10.5.30.1 00:50:10 1:10:02 0:30:02
10.7.40.1,239.1.1.1 F5/1 10.5.40.1 00:10:10 1:10:03 -
Table 2-49 describes the fields that are shown in the example.
Table 2-49 show ip igmp snooping statistics Field Descriptions
|
|
Service-policy: Policy1 |
Policy tied to this interface. |
#Channels: 3 |
Number of channels behind the specified interface. |
#hosts |
Number of hosts behind the specified interface. This field is displayed only if max-hosts policy is used. |
Related Commands
show ip igmp udlr
To display UDLR information for the connected multicast groups on the interfaces that have a UDL helper address configured, use the show ip igmp udlr command.
show ip igmp udlr [group-name | group-address | interface-type interface-number]
Syntax Description
group-name |
(Optional) Name of the multicast group. |
group-address |
(Optional) Address of the multicast group. |
interface-type interface-number |
(Optional) Interface type and number. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
This command displays which groups are being forwarded and received over the UDL.
On the upstream router, this command shows which interface is a UDL interface and which IP multicast groups are being forwarded out that interface. The UDL Reporter is the IP address of the downstream interface on the receiving router. If there is more than one downstream router, this field shows which downstream router forwarded the IGMP host report to the upstream router over the ground-based network. This report is forwarded over the UDL so that all downstream routers know which groups have already been requested by other downstream routers, and additional IGMP host reports are suppressed.
On the downstream router, this command (in the Interface field) shows which local interface received an IGMP host report (from a connected host for a specific group). The UDL Reporter is the IP address of the router that had forwarded the IGMP host report to the upstream router over the ground-based network. The UDL Interfaces column shows the interface on which IP multicast packets are being received.
Examples
This example shows the output of the show ip igmp udlr command on an upstream router:
Router# show ip igmp udlr
IGMP UDLR Status, UDL Interfaces: Serial0
Group Address Interface UDL Reporter Reporter Expires
224.2.127.254 Serial0 10.0.0.2 00:02:12
224.0.1.40 Serial0 10.0.0.2 00:02:11
225.7.7.7 Serial0 10.0.0.2 00:02:15
This example shows the output of the show ip igmp udlr command on a downstream router:
Router# show ip igmp udlr
IGMP UDLR Status, UDL Interfaces: Serial0
Group Address Interface UDL Reporter Reporter Expires
224.2.127.254 Serial0 10.0.0.2 00:02:49
224.0.1.40 Serial0 10.0.0.2 00:02:48
225.7.7.7 Serial0 10.0.0.2 00:02:52
Table 2-50 describes the fields shown in the output of the show ip igmp udlr command.
Table 2-50 show ip igmp udlr Field Descriptions
|
|
Group Address |
All group's helper addresses on the interface. |
Interface |
Interface type and number to which the group is connected. |
UDL Reporter |
IP address of the router on the UDL network that is IGMP helping for the group. |
Reporter Expires |
How soon the UDL Reporter will become inactive, in hours:minutes:seconds. This can occur under the following conditions: • The UDL Reporter has become nonoperational. • The link or network to the reporter has become nonoperational. • The group member attached to the UDL Reporter has left the group. |
show ip interface
To display the usability status of interfaces that are configured for IP, use the show ip interface command.
show ip interface [type number]
Syntax Description
type |
(Optional) Interface type. |
number |
(Optional) Interface number. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The Cisco IOS software automatically enters a directly connected route in the routing table if the interface is usable. A usable interface is one through which the software can send and receive packets. If the software determines that an interface is not usable, it removes the directly connected routing entry from the routing table. Removing the entry allows the software to use dynamic routing protocols to determine backup routes to the network, if any.
If the interface can provide two-way communication, the line protocol is marked "up." If the interface hardware is usable, the interface is marked "up."
If you specify an optional interface type, you see only information on that specific interface.
If you specify no optional arguments, you see information on all the interfaces.
When an asynchronous interface is encapsulated with PPP or Serial Line Internet Protocol (SLIP), IP fast switching is enabled. The show ip interface command on an asynchronous interface that is encapsulated with PPP or SLIP displays a message indicating that IP fast switching is enabled.
Examples
This example shows how to display the usability status for a specific VLAN:
Router# show ip interface vlan 1
Vlan1 is up, line protocol is up
Internet address is 10.6.58.4/24
Broadcast address is 255.255.255.255
Address determined by non-volatile memory
Helper address is not set
Directed broadcast forwarding is disabled
Outgoing access list is not set
Inbound access list is not set
Local Proxy ARP is disabled
Security level is default
ICMP redirects are always sent
ICMP unreachables are always sent
ICMP mask replies are never sent
IP fast switching is enabled
IP fast switching on the same interface is disabled
IP Flow switching is disabled
IP CEF switching is enabled
IP Fast switching turbo vector
IP Normal CEF switching turbo vector
IP multicast fast switching is enabled
IP multicast distributed fast switching is disabled
IP route-cache flags are Fast, CEF
Router Discovery is disabled
IP output packet accounting is disabled
IP access violation accounting is disabled
TCP/IP header compression is disabled
RTP/IP header compression is disabled
Probe proxy name replies are disabled
Policy routing is disabled
Network address translation is disabled
WCCP Redirect outbound is disabled
WCCP Redirect inbound is disabled
WCCP Redirect exclude is disabled
BGP Policy Mapping is disabled
Sampled Netflow is disabled
IP multicast multilayer switching is disabled
Netflow Data Export (hardware) is enabled
Table 2-51 describes the fields that are shown in the example.
Table 2-51 show ip interface Field Descriptions
|
|
Ethernet0 is up |
If the interface hardware is usable, the interface is marked "up." For an interface to be usable, both the interface hardware and line protocol must be up. |
line protocol is up |
If the interface can provide two-way communication, the line protocol is marked "up." For an interface to be usable, both the interface hardware and line protocol must be up. |
Internet address and subnet mask |
IP address and subnet mask of the interface. |
Broadcast address |
Broadcast address. |
Address determined by... |
Status of how the IP address of the interface was determined. |
MTU |
MTU value that is set on the interface. |
Helper address |
Helper address, if one has been set. |
Secondary address |
Secondary address, if one has been set. |
Directed broadcast forwarding |
Status of directed broadcast forwarding. |
Multicast groups joined |
Multicast groups to which this interface belongs. |
Outgoing access list |
Status of whether the interface has an outgoing access list set. |
Inbound access list |
Status of whether the interface has an incoming access list set. |
Proxy ARP |
Status of whether Proxy Address Resolution Protocol (ARP) is enabled for the interface. |
Security level |
IP Security Option (IPSO) security level set for this interface. |
Split horizon |
Status of the split horizon. |
ICMP redirects |
Status of the redirect messages on this interface. |
ICMP unreachables |
Status of the unreachable messages on this interface. |
ICMP mask replies |
Status of the mask replies on this interface. |
IP fast switching |
Status of whether fast switching has been enabled for this interface. Fast switching is typically enabled on serial interfaces, such as this one. |
IP SSE switching |
Status of the IP silicon switching engine (SSE). |
Router Discovery |
Status of the discovery process for this interface. It is typically disabled on serial interfaces. |
IP output packet accounting |
Status of IP accounting for this interface and the threshold (maximum number of entries). |
TCP/IP header compression |
Status of compression. |
Probe proxy name |
Status of whether the HP Probe proxy name replies are generated. |
WCCP Redirect outbound is enabled |
Status of whether packets that are received on an interface are redirected to a cache engine. |
WCCP Redirect exclude is disabled |
Status of whether packets that are targeted for an interface are excluded from being redirected to a cache engine. |
Netflow Data Export (hardware) is enabled |
NDE hardware flow status on the interface. |
show ip mcache
To display the contents of the IP fast-switching cache, use the show ip mcache command.
show ip mcache [vrf vrf-name] [group-address | group-name] [source-address | source-name]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
group-address | group-name |
(Optional) Fast-switching cache for the single group. |
source-address | source-name |
(Optional) If the source address or name is also specified, displays a single multicast cache entry. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The group-address | group-name can be either a Class D IP address or a DNS name.
The source-address | source-name can be either a unicast IP address or a DNS name.
Examples
This example shows how to display the contents of the IP fast-switching cache. This entry shows a specific source (wrn-source 226.62.246.73) sending to the World Radio Network group (224.2.143.24):
Router> show ip mcache wrn wrn-source
IP Multicast Fast-Switching Cache
(226.62.246.73/32, 224.2.143.24), Fddi0, Last used: 00:00:00
Ethernet0 MAC Header: 01005E028F1800000C1883D30800
Ethernet1 MAC Header: 01005E028F1800000C1883D60800
Ethernet2 MAC Header: 01005E028F1800000C1883D40800
Ethernet3 MAC Header: 01005E028F1800000C1883D70800
Table 2-52 describes the fields shown in the display.
Table 2-52 show ip mcache Field Descriptions
|
|
226.62.246.73 |
Source address. |
224.2.143.24 |
Destination address. |
Fddi0 |
Incoming or expected interface on which the packet should be received. |
Last used: |
Latest time that the entry was accessed for a packet that was successfully fast switched. "Semi-fast" indicates that the first part of the outgoing interface list is fast switched and the rest of the list is process level switched. |
Ethernet0 MAC Header: |
Outgoing interface list and respective MAC header that is used when rewriting the packet for output. If the interface is a tunnel, the MAC header shows the real next-hop MAC header and, in parentheses, the real interface name. |
show ip mds interface
To display MDS information for all the interfaces on the module, use the show ip mds interface command.
show ip mds interface [vrf vrf-name]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display MDS information for all the interfaces on the module:
Router# show ip mds interface
Interface SW-Index HW-Index HW IDB FS Vector VRF
Ethernet1/0/0 2 1 0x60C2DB40 0x602FB7A4 default
Ethernet1/0/1 3 2 0x60C32280 0x603D52B8 default
Ethernet1/0/2 4 3 0x60C35E40 0x602FB7A4 default
Ethernet1/0/3 5 4 0x60C39E60 0x603D52B8 default
Ethernet1/0/4 6 5 0x60C3D780 0x602FB7A4 default
Ethernet1/0/5 7 6 0x60C41140 0x602FB7A4 default
Ethernet1/0/6 8 7 0x60C453A0 0x602FB7A4 default
Ethernet1/0/7 9 8 0x60C48DC0 0x602FB7A4 default
POS2/0/0 10 9 0x0 default
POS3/0/0 11 10 0x0 default
Virtual-Access1 13 11 0x0 default
Loopback0 14 12 0x0 default
Tunnel0 15 23 0x61C2E480 0x603D52B8 vrf1
Tunnel1 16 24 0x61C267E0 0x603D52B8 vrf2
Ethernet1/0/3.1 17 4 0x60C39E60 0x603D52B8 vrf1
Ethernet1/0/3.2 18 4 0x60C39E60 0x603D52B8 vrf2
Table 2-53 describes the fields shown in the display.
Table 2-53 show ip mds interface Field Descriptions
|
|
Interface |
Specified interface. |
SW-Index |
Software index. |
HW-Index |
Hardware index. |
HW IDB |
Hardware interface description block. |
VRF |
VPN routing/forwarding instance. |
show ip mpacket
To display the contents of the circular cache-header buffer, use the show ip mpacket command.
show ip mpacket [vrf vrf-name] [group-address | group-name] [source-address | source-name] [detail]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
group-address | group-name |
(Optional) Cache headers matching the specified group address or group name. |
source-address | source-name |
(Optional) Cache headers matching the specified source address or source name. |
detail |
(Optional) In addition to the summary information, displays the rest of the IP header fields on an additional line, plus the first 8 bytes after the IP header (usually the UDP port numbers). |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
This command is applicable only when the ip multicast cache-headers command is in effect.
Each time that this command is entered, a new buffer is allocated. The summary display (when the detail keyword is omitted) shows the IP packet identifier, time-to-live (TTL) value, source and destination IP addresses, and a local time stamp when the packet was received.
The two arguments and one keyword can be used in the same command in any combination.
Examples
This example shows how to display the contents of the circular cache-header buffer:
Router # show ip mpacket smallgroup
IP Multicast Header Cache - entry count:6, next index: 7
Key: id/ttl timestamp (name) source group
D782/117 206416.908 (ABC-xy.company.com) 192.168.228.10 224.5.6.7
7302/113 206417.908 (school.edu) 147.12.2.17 224.5.6.7
6CB2/114 206417.412 (MSSRS.company.com) 154.2.19.40 224.5.6.7
D782/117 206417.868 (ABC-xy.company.com) 192.168.228.10 224.5.6.7
E2E9/123 206418.488 (Newman.com) 211.1.8.10 224.5.6.7
1CA7/127 206418.544 (teller.company.com) 192.168.6.10 224.5.6.7
Table 2-54 describes the fields shown in the display.
Table 2-54 show ip mpacket Field Descriptions
|
|
entry count |
Number of packets cached (one packet for each line in the display). The cache has lines numbered from 0 to 1024. |
next index |
Index for the next element in the cache. |
id |
Identification number of the IP packet. |
ttl |
Current TTL of the packet. |
timestamp |
Time-stamp sequence number of the packet. |
(name) |
DNS name of the source sending to the group. Name appears in parentheses. |
source |
IP address of the source sending to the group. |
group |
Multicast group address to which the packet is sent. In this example, the group address is the group name smallgroup. |
Related Commands
show ip mroute
To display the information about the IP-multicast routing table, use the show ip mroute command.
show ip mroute [vrf vrf-name] [{interface interface-number} | {null interface-number} | {port-channel number} | {vlan vlan-id} | {{host-name | host-address} [source]} | {active [kbps | {interface-type num}]} | {count | pruned | static | summary}]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
interface |
(Optional) Interface type; possible valid values are ethernet, fastethernet, gigabitethernet, tengigabitethernet, pos, atm, and ge-wan. |
interface-number |
(Optional) Module and port number; see the "Usage Guidelines" section for valid values. |
null interface-number |
(Optional) Specifies the null interface; the valid value is 0. |
port-channel number |
(Optional) Specifies the channel interface; valid values are a maximum of 64 values ranging from 1 to 282. |
vlan vlan-id |
(Optional) Specifies the VLAN; valid values are from 1 to 4094. |
host-name | host-address |
(Optional) Name or IP address as defined in the DNS hosts table. |
source |
(Optional) IP address or name of a multicast source. |
active |
(Optional) Displays the rate that active sources are sending to multicast groups. |
kbps |
(Optional) Minimum rate at which active sources are sending to multicast groups; active sources sending at this rate or greater are displayed. Valid values are from 1 to 4294967295 kbps. |
count |
(Optional) Displays the route and packet count information. |
pruned |
(Optional) Displays the pruned routes. |
static |
(Optional) Displays the static multicast routes. |
summary |
(Optional) Displays a one-line, abbreviated summary of each entry in the IP-multicast routing table. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
If you omit all optional arguments and keywords, the show ip mroute command displays all entries in the IP-multicast routing table.
The show ip mroute active kbps command displays all sources sending at a rate greater than or equal to kbps.
The interface-number argument designates the module and port number. Valid values for interface-number depend on the specified interface type and the chassis and module that are used. For example, if you specify a Gigabit Ethernet interface and have a 48-port 10/100BASE-T Ethernet module that is installed in a 13-slot chassis, valid values for the module number are from 1 to 13 and valid values for the port number are from 1 to 48.
The port-channel number values are from 257 to 282 are supported on the CSM and the FWSM only.
The multicast routing table is populated by creating source, group (S,G) entries from star, group (*,G) entries. The star refers to all source addresses, the "S" refers to a single source address, and the "G" is the destination multicast group address. In creating (S,G) entries, the software uses the best path to that destination group that is found in the unicast routing table (through RPF).
Examples
This example shows how to display all entries in the IP-multicast routing table:
Router# show ip mroute 224.1.1.1
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
L - Local, P - Pruned, R - RP-bit set, F - Register flag,
T - SPT-bit set, J - Join SPT, M - MSDP created entry,
X - Proxy Join Timer Running, A - Candidate MSDP Advertisement,
U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel
Y - Joined MDT-data group, y - Sending to MDT-data group, s - SSM
Outgoing interface flags: H - Hardware switched
Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 224.1.1.1), 00:00:07/00:02:59, RP 2.0.0.1, flags: BC
Bidir-Upstream: Null, RPF nbr 0.0.0.0, RPF-MFD
Vlan202, Forward/Sparse-Dense, 00:00:07/00:02:59, H
This example shows how to display the rate that active sources are sending to multicast groups and to display only active sources sending at greater than the default rate:
Router# show ip mroute active
Active IP Multicast Sources - sending >= 4 kbps
Group: 224.2.127.254, (sdr.cisco.com)
Source: 146.137.28.69 (mbone.ipd.anl.gov)
Rate: 1 pps/4 kbps(1sec), 4 kbps(last 1 secs), 4 kbps(life avg)
Group: 224.2.201.241, ACM 97
Source: 130.129.52.160 (webcast3-e1.acm97.interop.net)
Rate: 9 pps/93 kbps(1sec), 145 kbps(last 20 secs), 85 kbps(life avg)
Group: 224.2.207.215, ACM 97
Source: 130.129.52.160 (webcast3-e1.acm97.interop.net)
Rate: 3 pps/31 kbps(1sec), 63 kbps(last 19 secs), 65 kbps(life avg)
This example shows how to display the information about the route and packet count:
Router# show ip mroute count
56 routes using 28552 bytes of memory
13 groups, 3.30 average sources per group
Forwarding Counts:Pkt Count/Pkts per second/Avg Pkt Size/Kilobits per second
Other counts:Total/RPF failed/Other drops(OIF-null, rate-limit etc)
Group:224.2.136.89, Source count:1, Group pkt count:29051
Source:132.206.72.28/32, Forwarding:29051/-278/1186/0, Other:85724/8/56665
This example shows how to display summary information:
Router# show ip mroute summary
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, s - SSM Group, C - Connected, L - Local,
P - Pruned, R - RP-bit set, F - Register flag, T - SPT-bit set,
J - Join SPT, M - MSDP created entry, X - Proxy Join Timer Running
A - Advertised via MSDP, U - URD, I - Received Source Specific Host
Outgoing interface flags: H - Hardware switched
Interface state: Interface, Next-Hop or VCD, State/Mode
Table 2-55 describes the fields that are shown in the example.
Table 2-55 show ip mroute Field Descriptions
|
|
Flags: |
Information about the entry. |
D - Dense |
Entry is operating in dense mode. |
S - Sparse |
Entry is operating in sparse mode. |
s - SSM Group |
Entry is a member of an SSM group. |
C - Connected |
Member of the multicast group is present on the directly connected interface. |
L - Local |
Router is a member of the multicast group. |
P - Pruned |
Route has been pruned. This information is retained in case a downstream member wants to join the source. |
R - Rp-bit set |
Status of whether the (S,G) entry is pointing toward the route processor. This field shows a prune state along the shared tree for a particular source. |
F - Register flag |
Status of whether the software is registering for a multicast source. |
T - SPT-bit set |
Status of whether the packets have been received on the shortest-path tree. |
J - Join SPT |
For (*, G) entries, indicates that the rate of traffic flowing down the shared tree is exceeding the SPT-Threshold that is set for the group. (The default SPT-Threshold setting is 0 kbps.) When the J - Join SPT flag is set, the next (S,G) packet that is received down the shared tree triggers an (S,G) join in the direction of the source causing the router to join the source tree. For (S,G) entries, indicates that the entry was created because the SPT-Threshold for the group was exceeded. When the J - Join SPT flag is set for (S,G) entries, the router monitors the traffic rate on the source tree and attempts to switch back to the shared tree for this source if the traffic rate on the source tree falls below the group's SPT-Threshold for more than 1 minute. The router measures the traffic rate on the shared tree and compares the measured rate to the group's SPT-Threshold once every second. If the traffic rate exceeds the SPT-Threshold, the J - Join SPT flag is set on the (*, G) entry until the next measurement of the traffic rate. The flag is cleared when the next packet arrives on the shared tree and a new measurement interval is started. If the default SPT-Threshold value of 0 Kbps is used for the group, the J - Join SPT flag is always set on (*, G) entries and is never cleared. When the default SPT-Threshold value is used, the router immediately switches to the shortest-path tree when traffic from a new source is received. |
Bidir-Upstream: Null, RPF nbr 0.0.0.0, RPF-MFD |
Interface that is used to reach the PIM route processor. Set to Null if the router is the PIM route processor or if no route exists to the PIM route processor. |
Outgoing interface flags: |
Information about the outgoing entry. |
H - Hardware switched |
Entry is hardware switched. |
Timers: |
Uptime/Expires. |
Interface state: |
Interface, Next-Hop or VCD, State/Mode. |
(*, 224.0.255.1) (198.92.37.100/32, 224.0.255.1) |
Entry in the IP-multicast routing table. The entry consists of the IP address of the source router followed by the IP address of the multicast group. An asterisk (*) in place of the source router indicates all sources. Entries in the first format are referred to as (*,G) or "star comma G" entries. Entries in the second format are referred to as (S,G) or "S comma G" entries. (*,G) entries are used to build (S,G) entries. |
uptime |
Hours, minutes, and seconds that the entry has been in the IP-multicast routing table. |
expires |
Hours, minutes, and seconds until the entry is removed from the IP-multicast routing table on the outgoing interface. |
RP |
Address of the route processor. For routers and access servers operating in sparse mode, this address is always 0.0.0.0. |
flags: |
Information about the entry. |
Incoming interface: |
Expected interface for a multicast packet from the source. If the packet is not received on this interface, it is discarded. |
RPF neighbor |
IP address of the upstream router to the source. Tunneling indicates that this router is sending data that is encapsulated in register packets to the route processor. The hexadecimal number in parentheses indicates to which route processor it is registering. Each bit indicates a different route processor if multiple route processors per group are used. |
Dvmrp or Mroute |
Status of whether the RPF information is obtained from the DVMRP routing table or the static mroute configuration. |
Outgoing interface list: |
Interfaces through which packets are forwarded. When you enable the ip pim nbma-mode command on the interface, the IP address of the PIM neighbor is also displayed. |
Ethernet0 |
Name and number of the outgoing interface. |
Next hop or VCD |
Next hop specifies the downstream neighbor's IP address. VCD specifies the virtual-circuit descriptor number. VCD0 indicates that the group is using the static-map virtual circuit. |
Forward/Dense |
Status of whether the packets are forwarded on the interface if there are no restrictions due to access lists or the TTL threshold. Following the slash (/), the mode in which the interface is operating (dense or sparse). |
Forward/Sparse |
Sparse mode interface is in forward mode. |
time/time (uptime/expiration time) |
Per interface, the duration in hours, minutes, and seconds that the entry has been in the IP-multicast routing table. Specifies that following the slash (/), the duration in hours, minutes, and seconds until the entry is removed from the IP-multicast routing table. |
Related Commands
|
|
ip multicast-routing |
Enables IP multicast routing. |
ip pim |
Enables PIM on an interface. |
show ip mroute bidirectional
To display Bidir information from the IP-multicast routing table, use the show ip mroute bidirectional command.
show ip mroute bidirectional [{interface interface-number} | {null interface-number} | {port-channel number} | {vlan vlan-id} | {{host-name | host-address} [source]} | {active [kbps | {interface-type num}]} | {count | pruned | static | summary}]
Syntax Description
interface |
(Optional) Interface type; possible valid values are ethernet, fastethernet, gigabitethernet, tengigabitethernet, pos, atm, and ge-wan. |
interface-number |
Module and port number; see the "Usage Guidelines" section for valid values. |
null interface-number |
Specifies the null interface; the valid value is 0. |
port-channel number |
Specifies the channel interface; valid values are a maximum of 64 values ranging from 1 to 282. |
vlan vlan-id |
Specifies the VLAN; valid values are from 1 to 4094. |
host-name | host-address |
(Optional) Name or IP address as defined in the DNS hosts table. |
source |
(Optional) IP address or name of a multicast source. |
active |
(Optional) Displays the rate that active sources are sending to multicast groups. |
kbps |
(Optional) Minimum rate at which active sources are sending to multicast groups; active sources sending at this rate or greater are displayed. Valid values are from 1 to 4294967295 kbps. |
count |
(Optional) Displays the route and packet count. |
pruned |
(Optional) Displays the pruned routes. |
static |
(Optional) Displays the static multicast routes. |
summary |
(Optional) Displays a one-line, abbreviated summary of each entry in the IP-multicast routing table. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
If you omit all optional arguments and keywords, the mroute bidirectional command displays all entries in the IP-multicast routing table.
Examples
This example shows how to display the information in the IP-multicast routing table that is related to bidirectional PIM:
Router# show ip mroute bidirectional
(*, 225.1.3.0), 00:00:02/00:02:57, RP 3.3.3.3, flags:BC
Bidir-Upstream:GigabitEthernet2/1, RPF nbr 10.53.1.7, RPF-MFD
GigabitEthernet2/1, Bidir-Upstream/Sparse-Dense, 00:00:02/00:00:00,H
Vlan30, Forward/Sparse-Dense, 00:00:02/00:02:57, H
(*, 225.1.2.0), 00:00:04/00:02:55, RP 3.3.3.3, flags:BC
Bidir-Upstream:GigabitEthernet2/1, RPF nbr 10.53.1.7, RPF-MFD
GigabitEthernet2/1, Bidir-Upstream/Sparse-Dense, 00:00:04/00:00:00,H
Vlan30, Forward/Sparse-Dense, 00:00:04/00:02:55, H
(*, 225.1.4.1), 00:00:00/00:02:59, RP 3.3.3.3, flags:BC
Bidir-Upstream:GigabitEthernet2/1, RPF nbr 10.53.1.7, RPF-MFD
GigabitEthernet2/1, Bidir-Upstream/Sparse-Dense, 00:00:00/00:00:00,H
Vlan30, Forward/Sparse-Dense, 00:00:00/00:02:59, H
show ip msdp count
To display the number of sources and groups that originated in MSDP source-active messages and the number of source-active messages from an MSDP peer in the source-active cache, use the show ip msdp count command.
show ip msdp [vrf vrf-name] count [as-number]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
as-number |
(Optional) Number of sources and groups that originated in source-active messages from the specified autonomous system number. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
You must enter the ip msdp cache-sa-state command for this command to obtain any output from the show ip msdp command.
Examples
This example shows how to display the number of sources and groups that originated in MSDP source-active messages and the number of source-active messages from an MSDP peer in the source-active cache:
Router# show ip msdp count
SA State per Peer Counters, <Peer>: <# SA learned>
SA State per ASN Counters, <asn>: <# sources>/<# groups>
?: 192/98, 9: 1/1, 14: 107/57, 17: 7/5
18: 4/3, 25: 23/17, 26: 39/27, 27: 2/2
32: 19/7, 38: 2/1, 52: 4/4, 57: 1/1
68: 4/4, 73: 12/8, 81: 19/1, 87: 9/6
Table 2-56 describes the fields shown in the display.
Table 2-56 show ip msdp count Field Descriptions
|
|
224.135.250.116: 24 |
MSDP peer with IP address 224.135.250.116: 24 source-active messages from the MSDP peer in the source-active cache. |
Total entries |
Total number of source-active entries in the source-active cache. |
9: 1/1 |
Autonomous system 9: 1 source/1 group. |
Related Commands
show ip msdp peer
To display detailed information about the MSDP peer, use the show ip msdp peer command.
show ip msdp [vrf vrf-name] peer [peer-address | peer-name]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
peer-address | peer-name |
(Optional) DNS name or IP address of the MSDP peer for which information is displayed. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display detailed information about the MSDP peer:
Router# show ip msdp peer 224.135.250.116
MSDP Peer 224.135.250.116 (rtp5-rp1.cisco.com), AS 109 (configured AS)
State: Up, Resets: 9, Connection source: Loopback2 (228.69.199.17)
Uptime(Downtime): 1d10h, Messages sent/received: 436765/429062
Output messages discarded: 0
Connection and counters cleared 1w2d ago
Input (S,G) filter: none, route-map: none
Input RP filter: none, route-map: none
Output (S,G) filter: none, route-map: none
Output RP filter: none, route-map: none
Sending SA-Requests to peer: disabled
SAs learned from this peer: 32, SAs limit: 500
Input queue size: 0, Output queue size: 0
Table 2-57 describes the fields shown in the display.
Table 2-57 show ip msdp peer Field Descriptions
|
|
MSDP Peer |
IP address of the MSDP peer. |
AS |
Autonomous system to which the MSDP peer belongs. |
State: |
State of the MSDP peer. |
Connection source: |
Interface used to obtain the IP address for the TCP local connection address. |
Uptime(Downtime): |
Days and hours that the MSDP peer is up or down. If the time is less than 24 hours, it is shown in hours:minutes:seconds. |
Messages sent/received: |
Number of source-active messages sent to the MSDP peer/number of source-active messages received from the MSDP peer. |
SA Filtering: |
Information regarding access list filtering of source-active input and output if any. |
SA-Requests: |
Information regarding access list filtering of source-active requests if any. |
SAs learned from this peer: |
Number of source-active messages from the MSDP peer in the source-active cache. |
SAs limit: |
Source-active message limit for this MSDP peer. |
Related Commands
show ip msdp sa-cache
To display the (S,G) state that is learned from MSDP peers, use the show ip msdp sa-cache command.
show ip msdp [vrf vrf-name] sa-cache [group-address | source-address | group-name | source-name] [group-address | source-address | group-name | source-name] [as-number]
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
group-address | source-address | group-name | source-name |
(Optional) Group address, source address, group name, or source name of the group or source about which (S,G) information is displayed. |
as-number |
(Optional) Only state originated by the autonomous system number specified is displayed. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The state is cached only if you enter the ip msdp cache-sa-state command.
If you specify two addresses or names, an (S,G) entry corresponding to those addresses is displayed. If you specify one group address only, all sources for that group are displayed.
If no options are specified, the entire source-active cache is displayed.
Examples
This example shows how to display the (S,G) state that is learned from MSDP peers:
Router# show ip msdp sa-cache
MSDP Source-Active Cache - 2398 entries
(172.16.41.33, 238.105.148.0), RP 172.16.3.111, MBGP/AS 704, 2d10h/00:05:33
(172.16.112.8, 224.2.0.1), RP 192.168.200.65, MBGP/AS 10888, 00:03:21/00:02:38
(172.16.10.13, 227.37.32.1), RP 192.168.3.92, MBGP/AS 704, 05:22:20/00:03:32
(172.16.66.18, 233.0.0.1), RP 192.168.3.111, MBGP/AS 704, 2d10h/00:05:35
(172.16.66.148, 233.0.0.1), RP 192.168.3.111, MBGP/AS 704, 2d10h/00:05:35
(172.16.10.13, 227.37.32.2), RP 192.168.3.92, MBGP/AS 704, 00:44:30/00:01:31
(172.16.70.203, 224.2.236.2), RP 192.168.253.7, MBGP/AS 3582, 02:34:16/00:05:49
(172.18.42.104, 236.195.56.2), RP 192.168.3.92, MBGP/AS 704, 04:21:13/00:05:22
(172.16.10.13, 227.37.32.3), RP 192.168.3.92, MBGP/AS 704, 00:44:30/00:02:31
(172.18.15.43, 224.0.92.3), RP 192.168.200.65, MBGP/AS 10888, 6d09h/00:05:35
(172.18.15.111, 224.0.92.3), RP 192.168.200.65, MBGP/AS 10888, 16:18:08/00:05:35
(172.18.21.45, 224.0.92.3), RP 192.168.200.65, MBGP/AS 10888, 16:18:08/00:05:35
(172.18.15.75, 224.0.92.3), RP 192.168.200.65, MBGP/AS 10888, 08:40:52/00:05:35
(172.18.15.100, 224.0.92.3), RP 192.168.200.65, MBGP/AS 10888, 08:40:52/00:05:35
(172.16.10.13, 227.37.32.6), RP 192.168.3.92, MBGP/AS 704, 00:45:30/00:05:31
(172.18.41.33, 224.247.228.10), RP 192.168.3.111, MBGP/AS 704, 2d10h/00:05:35
(172.18.222.210, 224.2.224.13), RP 192.168.3.92, MBGP/AS 704, 01:51:53/00:05:22
(172.18.41.33, 229.231.124.13), RP 192.168.3.111, MBGP/AS 704, 2d10h/00:05:33
(172.18.32.138, 224.2.200.23), RP 192.168.253.7, MBGP/AS 3582, 21:33:40/00:05:49
(172.18.75.244, 224.2.200.23), RP 192.168.253.7, MBGP/AS 3582, 21:33:40/00:05:49
Table 2-58 describes the fields shown in the display.
Table 2-58 show ip msdp sa-cache Field Descriptions
|
|
(172.16.41.33, 238.105.148.0) |
First address (source) that is sending to the second address (group). |
RP 172.16.3.111 |
Rendezvous point address in the originating domain where the source-active messages started. |
MBGP/AS 704 |
Rendezvous point that is in autonomous system 704 according to multiprotocol BGP. |
2d10h/00:05:33 |
Route that has been cached for 2 days and 10 hours. If no source-active message is received in 5 minutes and 33 seconds, the route is removed from the source-active cache. |
Related Commands
|
|
clear ip msdp sa-cache |
Clears MSDP source active cache entries. |
ip msdp cache-sa-state |
Creates a source-active state on the router. |
show ip msdp summary
To display the MSDP peer status, use the show ip msdp summary command.
show ip msdp [vrf vrf-name] summary
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the MSDP peer status:
Router# show ip msdp summary
Peer Address AS State Uptime/ Reset SA Peer Name
224.135.250.116 109 Up 1d10h 9 111 rtp5-rp1
*172.20.240.253 1239 Up 14:24:00 5 4010 sl-rp-stk
172.16.253.19 109 Up 12:36:17 5 10 shinjuku-rp1
172.16.170.110 109 Up 1d11h 9 12 ams-rp1
Table 2-59 describes the fields shown in the display.
Table 2-59 show ip msdp summary Field Descriptions
|
|
Peer Address |
IP address of the MSDP peer. |
AS |
Autonomous system to which the MSDP peer belongs. |
State |
State of the MSDP peer. |
Uptime/Downtime |
Days and hours that the MSDP peer is up or down per the state that is shown in the previous column. If the time is less than 24 hours, it is shown in hours:minutes:seconds. |
SA Count |
Number of source-active messages from this MSDP peer in the source-active cache. |
Peer Name |
Name of the MSDP peer. |
show ip nhrp
To display information about the NHRP cache, use the show ip nhrp command.
show ip nhrp [summary | dynamic | static | incomplete] [{interface-type interface-number} | ip-address] [detail | brief]
Syntax Description
summary |
(Optional) Displays a summary of NHRP cache purge information. |
dynamic |
(Optional) Displays the dynamic (learned) IP-to-NBMA cache entries only. |
static |
(Optional) Displays the static IP-to-NBMA address cache entries only (configured using the ip nhrp map command). |
incomplete |
(Optional) Displays information about an incomplete cache. |
interface-type interface-number |
(Optional) NHRP cache information for the specified interface type only; see Table 2-60 for types, number ranges, and descriptions. |
ip-address |
(Optional) NHRP cache information for the specified IP address only. |
detail |
(Optional) Displays detailed information about the NHRP cache. |
brief |
(Optional) Displays basic information about the NHRP cache. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
Table 2-60 lists the valid types, number ranges, and descriptions for the type and number optional arguments.
Note
The valid types can vary according to the platform and interfaces on the platform.
Table 2-60 Valid Types, Number Ranges, and Interface Descriptions
|
|
|
async |
1 |
Async |
ctunnel |
0 to 2147483647 |
C-Tunnel |
dialer |
0 to 20049 |
Dialer |
fastethernet |
0 to 6 |
Fast Ethernet IEEE 802.3 |
GigabitEthernet |
0 to 6 |
Gigabit Ethernet IEEE 802.3 |
loopback |
0 to 2147483647 |
Loopback |
mfr |
0 to 2147483647 |
Multilink Frame Relay bundle |
multilink |
0 to 2147483647 |
Multilink-group |
null |
0 |
Null |
port-channel |
1 to 282 |
EtherChannel of interfaces |
pos-channel |
1 to 4094 |
PoS channel of interfaces |
tunnel |
0 to 2147483647 |
Tunnel interfaces |
vif |
1 |
PGM multicast host |
tunnel |
0 to 2147483647 |
Tunnel |
virtual-template |
1 to 1000 |
Virtual template |
virtual-tokenring |
0 to 2147483647 |
Virtual Token Ring |
xtagatm |
0 to 2147483647 |
Extended tag ATM |
Examples
This example shows how to display information about the NHRP cache:
10.0.0.2 255.255.255.255, ATM0/0 created 0:00:43 expire 1:59:16
Type: dynamic Flags: authoritative
NBMA address: 11.1111.1111.1111.1111.1111.1111.1111.1111.1111.11
10.0.0.1 255.255.255.255, Tunnel0 created 0:10:03 expire 1:49:56
Type: static Flags: authoritative
Table 2-61 describes the fields shown in the display.
Table 2-61 show ip nhrp Field Descriptions
|
|
10.0.0.2 255.255.255.255 |
IP address and its network mask in the IP-to-NBMA address cache. The mask is currently always 255.255.255.255 because aggregation of NBMA information through NHRP is not supported. |
ATM0/0 created 0:00:43 |
Interface type and number (in this case, ATM slot and port numbers) and when it was created (hours:minutes:seconds). |
expire 1:59:16 |
Time in which the positive and negative authoritative NBMA address will expire (hours:minutes:seconds). This value is based on the ip nhrp holdtime command. |
Type |
• dynamic—NBMA address was obtained from the NHRP Request packet. • static—NBMA address was statically configured. |
Flags |
• authoritative—Indicates that the NHRP information was obtained from the next-hop server or router that maintains the NBMA-to-IP address mapping for a particular destination. • implicit—Indicates that the information was learned not from an NHRP request generated from the local router, but from an NHRP packet being forwarded or from an NHRP request being received by the local router. • negative—For negative caching; indicates that the requested NBMA mapping could not be obtained. |
NBMA address |
Nonbroadcast multiaccess address. The address format is appropriate for the type of network being used (for example, ATM, Ethernet, SMDS, or multipoint tunnel). |
This example shows how to display basic information about the dynamic (learned) IP-to-NBMA cache entries only for a specific IP address:
Router# show ip nhrp dynamic 255.255.255.255 brief
Target Via NBMA Mode Intfc Claimed
Related Commands
|
|
ip nhrp holdtime |
Changes the number of seconds that NHRP NBMA addresses are advertised as valid in authoritative NHRP responses. |
ip nhrp map |
Statically configures the IP-to-NBMA address mapping of IP destinations connected to an MBMA network. |
show ip pim bsr-router
To display the BSR information, use the show ip pim bsr-router command.
show ip pim vrf vrf-name bsr-router
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The output includes elected BSR information and information about the locally configured candidate rendezvous-point advertisement.
Examples
This example shows how to display the BSR information:
Router# show ip pim bsr-router
PIMv2 Bootstrap information
This system is the Bootstrap Router (BSR)
BSR address: 172.16.143.28
Uptime: 04:37:59, BSR Priority: 4, Hash mask length: 30
Next bootstrap message in 00:00:03 seconds
Next Cand_RP_advertisement in 00:00:03 seconds.
RP: 172.16.143.28(Ethernet0), Group acl: 6
Table 2-62 describes the fields shown in the display.
Table 2-62 show ip pim bsr Field Descriptions
|
|
BSR address |
IP address of the bootstrap router. |
Uptime |
Length of time that this router has been up, in hours, minutes, and seconds. |
BSR Priority |
Priority as configured in the ip pim bsr-candidate command. |
Hash mask length |
Length of a mask (32 bits maximum) that is to be ANDed with the group address before the hash function is called. This value is configured in the ip pim bsr-candidate command. |
Next bootstrap message in |
Time in hours, minutes, and seconds in which the next bootstrap message is due from this BSR. |
Next Cand_RP_advertisement in |
Time in hours, minutes, and seconds in which the next candidate rendezvous-point advertisement will be sent. |
RP |
List of IP addresses of rendezvous points. |
Group acl |
Standard IP access list number that defines the group prefixes that are advertised in association with the rendezvous-point address. This value is configured in the ip pim bsr-candidate command. |
Related Commands
|
|
ip pim bsr-candidate |
Configures the router to announce its candidacy as a BSR. |
ip pim rp-candidate |
Configures the router to advertise itself as a PIM Version 2 rendezvous-point candidate to the BSR. |
show ip pim rp-hash |
Displays which rendezvous point is being selected for a specified group. |
show ip pim interface df
To display information about the designated forwarder interface, use the show ip pim interface df command.
show ip pim vrf vrf-name interface df [rp-addr]
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
rp-addr |
(Optional) Hostname or IP address of the designated forwarder. |
Command Default
If you do not specify rp-addr, all designated forwarders are displayed.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the information about the DF interface:
Router# show ip pim interface df 10.18.1.31
Interface RP DF Winner Metric Uptime
Vlan70 10.18.1.31 10.70.1.55 0 14:16:24
FastEthernet5/5 10.18.1.31 10.16.1.30 0 14:16:24
FastEthernet5/6 10.18.1.31 10.18.1.31 0 14:16:24
show ip pim mdt bgp
To display the detailed BGP advertisement of the route distinguisher for the MDT default group, use the show ip pim mdt bgp command.
show ip pim vrf vrf-name mdt bgp
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the detailed BGP advertisement of the route distinguisher for the MDT default group:
Router# show ip pim mdt bgp
MDT-default group 232.2.1.4
rid:1.1.1.1 next_hop:1.1.1.1
Table 2-63 describes the fields shown in the display.
Table 2-63 show ip pim mdt bgp Field Descriptions
|
|
MDT-default group |
MDT default groups that have been advertised to this router. |
rid:10.1.1.1 |
BGP router ID of the advertising router. |
next_hop:10.1.1.1 |
BGP next-hop address that was contained in the advertisement. |
show ip pim mdt history
To display the information on data MDTs that have been reused, use the show ip pim mdt history command.
show ip pim vrf vrf-name mdt history interval minutes
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
interval minutes |
Specifies the length of time, in minutes, for which the interval can be configured; valid values are from 1 to 71582 minutes (the maximum is 71582 minutes or 7 weeks). |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The show ip pim mdt history command displays the data MDTs that have been reused during the past configured interval.
Examples
This example shows how to display the information on data MDTs that have been reused:
Router# show ip pim vrf blue mdt history interval 20
MDT-data send history for VRF - blue for the past 20 minutes
MDT-data group Number of reuse
Table 2-64 describes the fields shown in the display.
Table 2-64 show ip pim mdt history Field Descriptions
|
|
MDT-data group |
MDT data group for which information is being shown. |
Number of reuse |
Number of data MDTs that have been reused in this group. |
show ip pim mdt receive
To display the data MDT advertisements that are received by a specified router, use the show ip pim mdt receive command.
show ip pim vrf vrf-name mdt receive [detail]
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
detail |
(Optional) Provides a detailed description of the data MDT advertisements that are received. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
When a router wants to switch over from the default MDT to a data MDT, it advertises the VRF source, the group pair, and the global multicast address over which the traffic will be sent. If the remote router wants to receive this data, then the remote router joins this global address multicast group.
Examples
This example shows how to display the data MDT advertisements that are received by a specified router:
Router# show ip pim vrf vpn8 mdt receive detail
Joined MDT-data groups for VRF:vpn8
group:232.2.8.0 source:10.0.0.100 ref_count:13
(10.101.8.10, 225.1.8.1), 1d13h/00:03:28/00:02:26, OIF count:1, flags:TY
(10.102.8.10, 225.1.8.1), 1d13h/00:03:28/00:02:27, OIF count:1, flags:TY
Table 2-65 describes the fields shown in the display.
Table 2-65 show ip pim mdt receive Field Descriptions
|
|
group:172.16.8.0 |
Group that caused the data MDT to be built. |
source:10.0.0.100 |
VRF source that caused the data MDT to be built. |
ref_count:13 |
Number of source and group pairs that are reusing this data MDT. |
OIF count:1 |
Number of interfaces out of which this multicast data is being forwarded. |
flags: |
Information about the entry: A - Candidate MSDP advertisement B - Bidir group D - Dense C - Connected F - Register flag I - Received source-specific host report J - Join SPT L - Local M - MSDP-created entry P - Pruned R - RP bit set S - Sparse s - SSM group T - SPT bit set X - Proxy join timer running U -URD Y - Joined MDT data group y - Sending to MDT data group Z - Multicast tunnel |
show ip pim mdt send
To display the data MDT advertisements that a specified router has made, use the show ip pim mdt send command.
show ip pim vrf vrf-name mdt send
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
Use this command to show the data MDT advertisements that a specified router has made.
Examples
This example shows how to display the data MDT advertisements that a specified router has made:
Router# show ip pim mdt send
MDT-data send list for VRF:vpn8
(source, group) MDT-data group ref_count
(10.100.8.10, 225.1.8.1) 232.2.8.0 1
(10.100.8.10, 225.1.8.2) 232.2.8.1 1
(10.100.8.10, 225.1.8.3) 232.2.8.2 1
(10.100.8.10, 225.1.8.4) 232.2.8.3 1
(10.100.8.10, 225.1.8.5) 232.2.8.4 1
(10.100.8.10, 225.1.8.6) 232.2.8.5 1
(10.100.8.10, 225.1.8.7) 232.2.8.6 1
(10.100.8.10, 225.1.8.8) 232.2.8.7 1
(10.100.8.10, 225.1.8.9) 232.2.8.8 1
(10.100.8.10, 225.1.8.10) 232.2.8.9 1
Table 2-66 describes the fields shown in the display.
Table 2-66 show ip pim mdt send Field Descriptions
|
|
source, group |
Source and group addresses that this router has switched over to data MDTs. |
MDT-data group |
Multicast address over which these data MDTs are being sent. |
ref_count |
Number of source and group pairs that are reusing this data MDT. |
show ip pim neighbor
To display the list that the PIM neighbors discovered, use the show ip pim neighbor command.
show ip pim vrf vrf-name neighbor [interface-type interface-number]
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
interface-type |
(Optional) Interface type. |
interface-number |
Interface number. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
Use this command to determine which routers on the LAN are configured for PIM.
Examples
This example shows how to display the list that the PIM neighbors discovered:
Router# show ip pim neighbor
Neighbor Address Interface Uptime Expires Mode
192.168.37.2 Ethernet0 17:38:16 0:01:25 Dense
192.168.37.33 Ethernet0 17:33:20 0:01:05 Dense (DR)
192.168.36.131 Ethernet1 17:33:20 0:01:08 Dense (DR)
192.168.36.130 Ethernet1 18:56:06 0:01:04 Dense
10.1.22.9 Tunnel0 19:14:59 0:01:09 Dense
Table 2-67 describes the fields shown in the display.
Table 2-67 show ip pim neighbor Field Descriptions
|
|
Neighbor Address |
IP address of the PIM neighbor. |
Interface |
Interface type and number on which the neighbor is reachable. |
Uptime |
Time in hours, minutes, and seconds that the entry has been in the PIM neighbor table. |
Expires |
Time in hours, minutes, and seconds until the entry will be removed from the IP multicast routing table. |
Mode |
Mode in which the interface is operating. |
(DR) |
Status of whether this neighbor is a designated router on the LAN. |
Related Commands
|
|
ip pim state-refresh disable |
Disables the processing and forwarding of PIM dense-mode refresh-control messages on a PIM router. |
ip pim state-refresh origination-interval |
Configures the origination of and the interval for PIM dense-mode state-refresh control messages on a PIM router. |
show ip pim interface df |
Displays information about the designated forwarder interface. |
show ip pim rp-hash
To display which rendezvous point is being selected for a specified group, use the show ip pim rp-hash command.
show ip pim vrf vrf-name rp-hash {group-address | group-name}
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
group-address | group-name |
Rendezvous-point information for the specified group address or name as defined in the DNS hosts table. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
This command displays which rendezvous point was selected for the group specified. It also shows whether this rendezvous point was selected by Auto-RP or the PIM Version 2 bootstrap mechanism.
Examples
This example shows how to display which rendezvous point is being selected for a specified group:
Router# show ip pim rp-hash 239.1.1.1
RP 172.16.24.12 (mt1-47a.cisco.com), v2
Info source: 172.16.24.12 (mt1-47a.cisco.com), via bootstrap
Uptime: 05:15:33, expires: 00:02:01
Table 2-68 describes the fields shown in the display.
Table 2-68 show ip pim rp-hash Field Descriptions
|
|
RP 172.16.24.12 (mt1-47a.cisco.com), v2 |
Address of the rendezvous point for the group specified (239.1.1.1). The DNS name of the rendezvous point within the parentheses. If the address of the rendezvous point is not registered in the DNS, a question mark (?) is displayed. PIM Version 2 is configured. |
Info source: 172.16.24.12 (mt1-47a.cisco.com), via bootstrap |
System from which the router learned this rendezvous-point information and the DNS name of the source. The rendezvous point was selected by the bootstrap mechanism. In this case, the BSR is also the rendezvous point. |
Uptime |
Length of time (in hours, minutes, and seconds) that the router has known about this rendezvous point. |
expires |
Time (in hours, minutes, and seconds) after which the information about this rendezvous point expires. If the router does not receive any refresh messages in this time, it discards information about this rendezvous point. |
show ip pim rp mapping
To display the mappings for the PIM group to the active rendezvous points, use the show ip pim rp mapping command.
show ip pim vrf vrf-name rp mapping [rp-address]
Syntax Description
vrf vrf-name |
Specifies the name that is assigned to the multicast VRF instance. |
rp-address |
(Optional) Rendezvous-point IP address. |
Command Default
If you do not specify an rp-address, the mappings for all the active rendezvous points are displayed.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the mappings for the PIM group to the active rendezvous points:
Router# show ip pim rp mapping
This system is an RP-mapping agent
Info source: 6.6.6.6 (?), elected via Auto-RP ---> learned via Auto-RP
Uptime: 22:36:49, expires: 00:02:04
RP 9.9.9.9 (?), v2v1, bidir
Info source: 9.9.9.9 (?), elected via Auto-RP
Uptime: 22:36:20, expires: 00:02:37
RP 2.2.2.2 (?), v2v1, bidir
Info source: 2.2.2.2 (?), elected via Auto-RP
Uptime: 22:36:24, expires: 00:02:29
RP 9.9.9.9 (?), v2v1, bidir
Info source: 9.9.9.9 (?), elected via Auto-RP
Uptime: 22:36:21, expires: 00:02:35
Table 2-69 describes the fields that are shown in the example.
Table 2-69 show ip pim rp mapping Field Descriptions
|
|
Info source |
ACL number. |
Static |
Group-to-mapping information from the static rendezvous-point configuration. |
Bidir Mode |
Status of whether the rendezvous point is operating in bidirectional mode. |
RP |
Address of the rendezvous point for that group. |
(?) |
Status that shows no Domain Name System (DNS) name has been specified. |
show ip pim snooping
To display the information about IP PIM snooping, use the show ip pim snooping command.
show ip pim snooping
show ip pim snooping vlan vlan-id [neighbor | mac-group | statistics | mroute [{src-ip | group-ip}]]
Syntax Description
vlan vlan-id |
Displays information for a specific VLAN; valid values are from 1 to 4094. |
neighbor |
(Optional) Displays information about the neighbor database. |
mac-group |
(Optional) Displays information about the GDA database in Layer 2. |
statistics |
(Optional) Displays information about the VLAN statistics. |
mroute |
(Optional) Displays information about the mroute database. |
src-ip |
(Optional) Source IP address. |
group-ip |
(Optional) Group IP address. |
Command Default
This command has no default settings.
Command Modes
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the information about the global status:
Router# show ip pim snooping
Global runtime mode: Enabled
Global admin mode : Enabled
Number of user enabled VLANs: 1
This example shows how to display the information about a specific VLAN:
Router# show ip pim snooping vlan 10
3 neighbors (0 DR priority incapable, 0 Bi-dir incapable)
This example shows how to display the information about the neighbor database for a specific VLAN:
Router# show ip pim snooping vlan 10 neighbor
IP Address Mac address Port Uptime/Expires Flags
10.10.10.2 000a.f330.344a 3/13 00:09:57/00:01:22
10.10.10.1 000a.f330.334a 3/12 00:09:44/00:01:21
10.10.10.4 000a.f330.3c00 15/01 00:09:57/00:01:22 DR
This example shows how to display the information about the GDA database for a specific VLAN in Layer 2:
Router# show ip pim snooping vlan 10 mac-group
Mac address Group address Uptime/Expires Outgoing Ports
0100.5e01.6465 224.1.100.101 00:20:26/00:02:43 3/12 3/13 15/1
0100.5e01.6464 224.1.100.100 00:20:28/00:02:41 3/12 3/13 15/1
0100.5e00.0128 224.0.1.40 00:20:27/00:02:47 3/12 3/13 15/1
This example shows how to display the detailed statistics for a specific VLAN:
Router# show ip pim snooping vlan 10 statistics
PIMv2 statistics for vlan 10:
Hello option holdtime [1] : 811
Hello option Generation ID[20] : 544
Hello option DR priority[19] : 544
Hello option Bi-dir capable[22] : 0
Hello option Fast Hold[65005] : 0
Hello option Lan Prune Delay[2] : 0
Hello option Tag switching [17] : 0
Hello option PIM-DM State Refresh[21] : 544
Hello option Deprecated Cisco DR priority[18] : 0
Error - Hello length too short : 0
Error - Hello hold option missing : 0
Error - Hello option length : 0
Error - Hello option unknown : 0
Error - Join/Prune Address Family : 0
Error - Join/Prune Parser malloc failure : 0
Error - Join/Prune Unknown up/down neighbor : 0
Error - Join/Prune Malformed packet discards : 0
Error - RPDF election Address Family : 0
Error - RPDF Unknown up/down neighbor : 0
Error - Generic packet input error : 0
This example shows how to display the information about the mroute database for all mrouters in a specific VLAN:
Router# show ip pim snooping vlan 10 mroute
Flags: J/P - (*,G) Join/Prune, j/p - (S,G) Join/Prune
(*, 224.1.100.101), 00:16:14/00:02:58
10.10.10.1->10.10.10.2, 00:16:14/00:02:58, J
Outgoing ports: 3/12 3/13
(*, 224.1.100.100), 00:16:16/00:02:56
10.10.10.1->10.10.10.2, 00:16:16/00:02:56, J
Outgoing ports: 3/12 3/13
(10.10.10.2, 224.0.1.40), 00:16:10/00:03:03
10.10.10.1->10.10.10.2, 00:16:10/00:03:03, SGR-P
(*, 224.0.1.40), 00:16:16/00:03:02
10.10.10.1->10.10.10.2, 00:16:16/00:03:02, J
Outgoing ports: 3/12 3/13
(*, 224.10.10.10), 00:02:23/00:01:06
Outgoing ports: 3/12 3/13
(123.123.123.123, 224.10.10.10), 00:02:23/00:01:06
10.10.10.1->10.10.10.2, 00:02:23/00:01:06, j
Outgoing ports: 3/12 3/13
This example shows how to display the information about the PIM mroute for a specific source address:
Router# show ip pim snooping vlan 10 mroute 224.1.100.100
(*, 224.1.100.100), 00:16:36/00:02:36
10.10.10.1->10.10.10.2, 00:16:36/00:02:36, J
Outgoing ports: 3/12 3/13
This example shows how to display the information about the PIM mroute for a specific source and group address:
Router# show ip pim snooping vlan 10 mroute 123.123.123.123 224.10.10.10
(123.123.123.123, 224.10.10.10), 00:03:04/00:00:25
10.10.10.1->10.10.10.2, 00:03:04/00:00:25, j
Outgoing ports: 3/12 3/13
Related Commands
show ip rpf events
To display the triggered RPF statistics, use the show ip rpf events command.
show ip rpf [vrf vrf-name] events
Syntax Description
vrf vrf-name |
(Optional) Specifies the name that is assigned to the multicast VPN routing and forwarding (VRF) instance. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the triggered RPF statistics:
Router# show ip rpf events
Last 15 triggered multicast RPF check events
RPF backoff delay: 500 msec
DATE/TIME BACKOFF PROTOCOL EVENT RPF CHANGES
Jan 1 00:00:55.643 500 msec EIGRP Route UP 0
Jan 1 00:00:07.283 1000 sec Connected Route UP 0
Jan 1 00:00:06.283 500 msec Connected Route UP 0
Related Commands
show ip wccp
To display the WCCP statistics, use the show ip wccp command.
show ip wccp [{service-number | web-cache} [detail | view]]
Syntax Description
service-number |
(Optional) Identification number of the cache engine service group being controlled by a router; valid values are from 0 to 99. |
web-cache |
(Optional) Directs the router to display statistics for the web-cache service. |
detail |
(Optional) Displays information for the router and all cache engines in the currently configured cluster. |
view |
(Optional) Displays which other members of a particular service group have or have not been detected. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
Use the show ip wccp service-number command to provide the "Total Packets Redirected" count. The "Total Packets Redirected" count is the number of flows, or sessions, that are redirected.
Use the show ip wccp service-number detail command to provide the "Packets Redirected" count. The "Packets Redirected" count is the number of flows, or sessions, that are redirected.
Use the show ip wccp web-cache detail command to provide an indication of how many flows, rather than packets, are using Layer 2 redirection.
For cache-engine clusters using Cisco cache engines, the reverse proxy service-number is indicated by a value of 99.
Use the clear ip wccp command to reset the counter for the "Packets Redirected" information.
For additional information on the IP WCCP commands, refer to the "Configuring Web Cache Services Using WCCP" section in the Cisco IOS Configuration Fundamentals Configuration Guide.
Examples
This example shows how to display the connected cache engine using Layer 2 redirection:
Router#
show ip wccp web-cache detail
WCCP Cache-Engine information:
Initial Hash Info: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Assigned Hash Info: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Hash Allotment: 256 (100.00%)
Packets Redirected: 10273
Table 2-70 describes the fields that are shown in the example.
Table 2-70 show ip wccp web-cache detail Command Output Fields
|
|
WCCP Cache-Engine information |
Header for the area that contains fields for the IP address and version of WCCP that is associated with the router that is connected to the cache engine in the service group. |
IP Address |
IP address of the router that is connected to the cache engine in the service group. |
Protocol Version |
Version of WCCP that is used by the router in the service group. |
WCCP Cache-Engine information |
Fields for information on cache engines. |
IP Address |
IP address of the cache engine in the service group. |
Protocol Version |
Version of WCCP that is used by the cache engine in the service group. |
State |
Status of whether the cache engine is operating properly and can be contacted by a router and other cache engines in the service group. |
Initial Hash Info |
Initial state of the hash-bucket assignment. |
Assigned Hash Info |
Current state of the hash-bucket assignment. |
Hash Allotment |
Percentage of buckets that is assigned to the current cache engine. Both a value and a percent figure are displayed. |
Packets Redirected |
Number of flows or sessions that have been redirected to the cache engine. |
Connect Time |
Amount of time that it takes for the cache engine to connect to the router. |
Related Commands
|
|
clear ip wccp |
Removes WCCP statistics (counts) maintained on the router for a particular service. |
ip wccp |
Directs a router to enable or disable the support for a cache engine service group. |
ip wccp redirect |
Enables packet redirection on an outbound or inbound interface using WCCP. |
ip wccp web-cache accelerated |
Enables the hardware acceleration for WCCP version 1. |
show ip interface |
Displays the usability status of interfaces that are configured for IP. |
show ipv6 mfib
To display the forwarding entries and interfaces in the IPv6 MFIB, use the show ipv6 mfib command.
show ipv6 mfib [{group-ip-addr/prefix-length | group-name | group-address [source-name | source-address]} | {active kbps} | count | interface | status | summary | verbose]
show ipv6 mfib [link-local [active [kbps] | count | verbose]]
Syntax Description
group-ip-addr/prefix-length |
(Optional) Group IPv6 address/prefix length for the IPv6 network assigned to the interface. |
group-name |
(Optional) Multicast group name. |
group-address |
(Optional) Group IPv6 address. |
source-name |
(Optional) Source name. |
source-address |
(Optional) Source IP address. |
active kbps |
(Optional) Displays the rate at which active sources are sending to multicast groups; valid values are from 0 to 4294967295 kilobits per second. |
count |
(Optional) Displays information about the route and packet count. |
interface |
(Optional) Displays information about the interface settings and status. |
status |
(Optional) Displays information about the general settings and status. |
summary |
(Optional) Displays information about the summary statistics. |
verbose |
(Optional) Displays additional information such as the MAC encapsulation header and platform-specific information. |
link-local |
(Optional) Displays the link-local groups. |
Command Default
prefix-length is 128.
Command Modes
User EXEC (>)
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
Use the show ipv6 mfib command to display MFIB entries, forwarding interfaces, and their traffic statistics. This command can be enabled on virtual IP (VIP) if the router is operating in distributed mode.
Use the show ipv6 mfib active command to display MFIB entries actively used to forward packets. In many cases, it is useful to provide the optional kbps argument to display the set of entries that are forwarding an amount of traffic larger or equal to the amount set by the kbps argument.
Use the show ipv6 mfib count command to display the average packet size and data rate in kilobits per seconds.
The prefix-length is the length of the IPv6 prefix. A decimal value that indicates how many of the high-order contiguous bits of the address comprise the prefix (the network portion of the address). A slash mark must precede the decimal value.
A forwarding entry in the MFIB has flags that determine the default forwarding and signaling behavior to use for packets matching the entry. The entry also has per-interface flags that further specify the forwarding behavior for packets received or forwarded on specific interfaces. Table 2-71 describes the MFIB forwarding entries and interface flags.
Table 2-71 MFIB Forwarding Entries and Interface Flags
|
|
F |
Forward—Data is forwarded out of this interface. |
A |
Accept—Data received on this interface is accepted for forwarding. |
IC |
Internal copy—Deliver a copy of the packets received or forwarded on this interface to the router. |
NS |
Negate signal—Reverse the default entry signaling behavior for packets received on this interface. |
DP |
Do not preserve—When signaling the reception of a packet on this interface, do not preserve a copy of it (discard it instead). |
SP |
Signal present—The reception of a packet on this interface was just signaled. |
S |
Signal—By default, signal the reception of packets matching this entry. |
C |
Perform directly connected check for packets matching this entry. Signal the reception if packets were originated by a directly connected source. |
Examples
This example shows how to display information for a specific group IPv6 address:
Router# show ipv6 mfib ff35::1:1
IP Multicast Forwarding Information Base
Entry Flags: C - Directly Connected, S - Signal, IA - Inherit A flag,
AR - Activity Required, D - Drop
Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second
Other counts: Total/RPF failed/Other drops
Interface Flags: A - Accept, F - Forward, NS - Negate Signalling
IC - Internal Copy, NP - Not platform switched
Interface Counts: Distributed FS Pkt Count/FS Pkt Count/PS Pkt Count
(1600::2,FF35::1:1) Flags:
RP Forwarding: 7188/100/48/37, Other: 203619/203619/0
LC Forwarding: 0/0/0/0, Other: 0/0/0
Table 2-72 describes the fields shown in the display.
Table 2-72 show ipv6 mfib Field Descriptions
|
|
Entry flags |
Information about the entry. |
Forwarding Counts |
Statistics on the packets that are received and forwarded to at least one interface. |
Pkt Count/ |
Total number of packets received and forwarded since the creation of the multicast forwarding state to which this counter applies. |
Pkts per second/ |
Number of packets received and forwarded per second. |
Avg Pkt Size/ |
Total number of bytes divided by the total number of packets for this multicast forwarding state. There is no direct display for the total number of bytes. You can calculate the total number of bytes by multiplying the average packet size by the packet count. |
Kbits per second |
Bytes per second divided by packets per second, and divided by 1000. |
Other counts: |
Statistics on the received packets. These counters include statistics about the packets received and forwarded and packets received but not forwarded. |
Interface Flags: |
Information about the interface. See Table 2-71 for further information on interface flags. |
Interface Counts: |
Interface statistics. |
This example shows forwarding entries and interfaces in the MFIB with a group address of FF03:1::1 and a source address of 5002:1::2 specified:
Router# show ipv6 mfib FF03:1::1 5002:1::2
IP Multicast Forwarding Information Base
Entry Flags:C - Directly Connected, S - Signal, IA - Inherit A flag,
AR - Activity Required, D - Drop
Forwarding Counts:Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second
Other counts:Total/RPF failed/Other drops
Interface Flags:A - Accept, F - Forward, NS - Negate Signalling
IC - Internal Copy, NP - Not platform switched
Interface Counts:FS Pkt Count/PS Pkt Count
(5002:1::2,FF03:1::1) Flags:
Forwarding:71505/0/50/0, Other:42/0/42
GigabitEthernet5/0 Flags:A
GigabitEthernet5/0.19 Flags:F NS
GigabitEthernet5/0.20 Flags:F NS
GigabitEthernet5/0.16 Flags:F NS
This example shows forwarding entries and interfaces in the MFIB with a group address of FF03:1::1 and a default prefix of 128:
Router# show ipv6 mfib FF03:1::1/128
IP Multicast Forwarding Information Base
Entry Flags:C - Directly Connected, S - Signal, IA - Inherit A flag,
AR - Activity Required, D - Drop
Forwarding Counts:Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second
Other counts:Total/RPF failed/Other drops
Interface Flags:A - Accept, F - Forward, NS - Negate Signalling
IC - Internal Copy, NP - Not platform switched
Interface Counts:FS Pkt Count/PS Pkt Count
Forwarding:0/0/0/0, Other:0/0/0
GigabitEthernet5/0.25 Flags:F NS
GigabitEthernet5/0.16 Flags:F NS
This example displays statistics on the rate at which active IP multicast sources are sending information. The router is switching traffic from 2001::1:1:200 to FF05::1:
Router# show ipv6 mfib active
Active IPv6 Multicast Sources - sending >= 4 kbps
Rate: 20 pps/16 kbps(1sec), 0 kbps(last 128 sec)
Table 2-73 describes the fields shown in the display.
Table 2-73 show ipv6 mfib active Field Descriptions
|
|
Group: |
Summary information about counters for (*, G) and the range of (S,G) states for one particular group G. The following RP-tree: and Source: output fields contain information about the individual states belonging to this group. Note For PIM-SSM range groups, the Group: displays are statistical. All SSM range (S,G) states are individual, unrelated SSM channels. |
Rate...kbps |
Bytes per second divided by packets per second and divided by 1000. On an IP multicast fast-switching platform, the number of packets per second is the number of packets during the last second. Other platforms may use a different approach to calculate this number. Refer to the Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide—Release 12.2ZY for more information. |
This example displays statistics from the MFIB about the group and source. The router is switching traffic from 2001::1:1:200 to FF05::1:
Router# show ipv6 mfib count
54 routes, 7 groups, 0.14 average sources per group
Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kilobits per second
Other counts: Total/RPF failed/Other drops(OIF-null, rate-limit etc)
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
RP-tree: Forwarding: 2/0/100/0, Other: 0/0/0
Source: 10::1:1:200, Forwarding: 367/10/100/7, Other: 0/0/0
Tot. shown: Source count: 1, pkt count: 369
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0
Table 2-74 describes the fields shown in the display.
Table 2-74 show ipv6 mfib count Field Descriptions
|
|
Forwarding Counts |
Statistics on the packets that are received and forwarded to at least one interface. |
Pkt Count/ |
Total number of packets received and forwarded since the multicast forwarding state to which this counter applies was created. |
Pkts per second/ |
Number of packets received and forwarded per second. |
Avg Pkt Size/ |
Total number of bytes divided by the total number of packets for this multicast forwarding state. There is no direct display for the total number of bytes. You can calculate the total number of bytes by multiplying the average packet size by the packet count. |
Kilobits per second |
Bytes per second, divided by packets per second, and divided by 1000. |
Other counts: |
Statistics on the received packets. These counters include statistics about the packets received and forwarded and packets received but not forwarded. |
Total/ |
Total number of packets received. |
RPF failed/ |
Number of packets not forwarded due to a failed RPF or acceptance check (when bidirectional PIM is configured). |
Other drops (OIF-null, rate-limit etc) |
Number of packets not forwarded for reasons other than an RPF or acceptance check (such as the outgoing interface [OIF] list was empty or because the packets were discarded because of a configuration that was enabled). |
Group: |
Summary information about counters for (*,G) and the range of (S,G) states for one particular group G. The following RP-tree: and Source: output fields contain information about the individual states belonging to this group. Note For Source Specific Multicast (PIM-SSM) range groups, the Group: displays are statistical. All SSM range (S,G) states are individual, unrelated SSM channels. |
RP-tree: |
Counters for the (*,G) state of this group G. These counters are displayed only for groups that have a forwarding mode that do not forward packets on the shared tree. These (*,G) groups are bidirectional PIM and PIM sparse mode (PIM-SM) groups. There are no RP-tree displays for PIM SSM range groups. |
This example shows forwarding entries and interfaces in the MFIB and additional information such as the MAC encapsulation header and platform-specific information:
Router# show ipv6 mfib ff33::1:1 verbose
IP Multicast Forwarding Information Base
Entry Flags: C - Directly Connected, S - Signal, IA - Inherit A flag,
AR - Activity Required, K - Keepalive
Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kbits per second
Other counts: Total/RPF failed/Other drops
Platform per slot HW-Forwarding Counts: Pkt Count/Byte Count
Platform flags: HF - Forwarding entry,HB - Bridge entry,HD - NonRPF Drop entry,
NP - Not platform switchable,RPL - RPF-ltl linkage,
MCG - Metset change,ERR - S/w Error Flag,RTY - In RetryQ,
LP - L3 pending,MP - Met pending,AP - ACL pending
Interface Flags: A - Accept, F - Forward, NS - Negate Signalling
IC - Internal Copy, NP - Not platform switched
Interface Counts: Distributed FS Pkt Count/FS Pkt Count/PS Pkt Count
(10::2,FF33::1:1) Flags: K
RP Forwarding: 0/0/0/0, Other: 0/0/0
LC Forwarding: 0/0/0/0, Other: 0/0/0
HW Forwd: 0/0/0/0, Other: NA/NA/NA
Slot 6: HW Forwarding: 0/0, Platform Flags: HF RPL
Slot 1: HW Forwarding: 0/0, Platform Flags: HF RPL
Pkts: 0/0/0 MAC: 33330001000100D0FFFE180086DD
Table 2-75 describes the fields shown in the display.
Table 2-75 show ipv6 mfib verbose Field Descriptions
|
|
Platform flags |
Information about the platform. |
Platform per slot HW-Forwarding Counts |
Total number of packets per bytes forwarded. |
Table 2-76 describes the MFIB platform flags.
Table 2-76 MFIB Platform Flags
|
|
H |
Entry is installed in hardware |
HF |
Forwarding entry |
HB |
Bridge entry |
HD |
NonRPF Drop entry |
NP |
Software switched |
RPL |
RPF-ltl linkage |
MCG |
Metset change |
ERR |
S/w Error Flag |
RTY |
In RetryQ |
LP |
Layer 3 pending |
MP |
Met pending |
AP |
ACL pending |
show ipv6 mld snooping
To display MLDv2 snooping information, use the show ipv6 mld snooping command.
show ipv6 mld snooping {{explicit-tracking vlan} | {mrouter [vlan vlan]} | {report-suppression vlan vlan} | {statistics vlan vlan}}
Syntax Description
explicit-tracking vlan vlan |
Displays the status of explicit host tracking. |
mrouter |
Displays the multicast router interfaces on an optional VLAN. |
vlan vlan |
(Optional) Specifies the VLAN number on the multicast router interfaces. |
report-suppression vlan vlan |
Displays the status of the report suppression. |
statistics vlan vlan |
Displays IGMP snooping information on a VLAN. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
You can also use the show ip igmp snooping commands to display information about IGMP snooping.
You can enter the show ipv6 mld snooping mrouter command without arguments to display all the multicast router interfaces.
Examples
This example shows how to display explicit tracking information on VLAN 25:
Router# show ipv6 mld snooping explicit-tracking vlan 25
Source/Group Interface Reporter Filter_mode
------------------------------------------------------------------------
10.1.1.1/226.2.2.2 Vl25:1/2 16.27.2.3 INCLUDE
10.2.2.2/226.2.2.2 Vl25:1/2 16.27.2.3 INCLUDE
This example shows how to display the multicast router interfaces in VLAN 1:
Router# show ipv6 mld snooping mrouter vlan 1
-----+----------------------------------------
1 Gi1/1,Gi2/1,Fa3/48,Router
This example shows the IGMP snooping statistics information for VLAN 25:
Router# show ipv6 mld snooping statistics interface vlan 25
Snooping staticstics for Vlan25
Source/Group Interface Reporter Uptime Last-Join Last-Leave
10.1.1.1/226.2.2.2 Gi1/2:Vl25 16.27.2.3 00:01:47 00:00:50 -
10.2.2.2/226.2.2.2 Gi1/2:Vl25 16.27.2.3 00:01:47 00:00:50 -
Related Commands
show l2protocol-tunnel
To display the protocols that are tunneled on an interface or on all interfaces, use the show l2protocol-tunnel command.
show l2protocol-tunnel [{interface interface mod/port} | {vlan vlan-id} | summary]
Syntax Description
interface interface |
(Optional) Specifies the interface type; possible valid values are ethernet, fastethernet, gigabitethernet, tengigabitethernet, pos, atm, and ge-wan. |
mod/port |
Module and port number. |
vlan vlan-id |
Specifies the VLAN; valid values are from 1 to 4094. |
summary |
(Optional) Displays a summary of a tunneled port. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The show l2protocol-tunnel command displays only the ports that have protocol tunneling enabled.
The show l2protocol-tunnel summary command displays the ports that have protocol tunneling enabled, regardless of whether the port is down or currently configured as a trunk.
Examples
This example shows how to display the protocols that are tunneled on all interfaces:
Router# show l2protocol-tunnel
COS for Encapsulated Packets: 5
Drop Threshold for Encapsulated Packets: 3000
Port Protocol Shutdown Drop Encapsulation Decapsulation Drop
Threshold Threshold Counter Counter Counter
------- -------- --------- --------- ------------- ------------- -------------
Fa3/38 cdp ---- 3000 5 0 0
This example shows how to display a summary of Layer 2-protocol tunnel ports:
Router# show l2protocol-tunnel summary
COS for Encapsulated Packets:5
Drop Threshold for Encapsulated Packets:0
Port Protocol Shutdown Drop Status
(cdp/stp/vtp) (cdp/stp/vtp)
------- ----------- ---------------- ---------------- ----------
Fa9/1 --- stp --- ----/----/---- ----/----/---- down
Fa9/9 cdp stp vtp ----/----/---- ----/----/---- up
Fa9/47 --- --- --- ----/----/---- 1500/1500/1500 down(trunk)
Fa9/48 cdp stp vtp ----/----/---- ----/----/---- down(trunk)
Related Commands
show l3-mgr
To display the information about the Layer 3 manager, use the show l3-mgr command.
show l3-mgr status
show l3-mgr {interface {{interface interface-number} | {null interface-number} | {port-channel number} | {vlan vlan-id} | status}}
Syntax Description
status |
Displays information about the global variable. |
interface |
Displays information about the Layer 3 manager. |
interface |
Interface type; possible valid values are ethernet, fastethernet, gigabitethernet, tengigabitethernet, pos, atm, and ge-wan. |
interface-number |
Module and port number; see the "Usage Guidelines" section for valid values. |
null interface-number |
Specifies the null interface; the valid value is 0. |
port-channel number |
Specifies the channel interface; valid values are a maximum of 64 values ranging from 1 to 282. |
vlan vlan-id |
Specifies the VLAN; valid values are from 1 to 4094. |
status |
Displays status information about the Layer 3 manager. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The interface-number argument designates the module and port number. Valid values for interface-number depend on the specified interface type and the chassis and module that are used. For example, if you specify a Gigabit Ethernet interface and have a 48-port 10/100BASE-T Ethernet module that is installed in a 13-slot chassis, valid values for the module number are from 1 to 13 and valid values for the port number are from 1 to 48.
The port-channel number values from 257 to 282 are supported on the CSM and the FWSM only.
Examples
This example shows how to display the status of the Layer 3 manager:
Router#
show l3-mgr status
l3_mgr_max_queue_count: 1060
l3_mgr_req_q.ip_inv_count: 303
l3_mgr_req_q.ipx_inv_count: 0
l3_mgr_outpak_count: 18871
l3_mgr_inpak_count: 18871
l3_mgr_max_pending_pak: 4
l3_mgr_pending_pak_count: 0
current nde addr: 0.0.0.0
This example shows how to display the information about the Layer 3 manager for a specific interface:
Router#
show l3-mgr interface fastethernet 5/40
show lacp
To display LACP information, use the show lacp command.
show lacp [channel-group] {counters | internal | neighbors | sys-id}
Syntax Description
channel-group |
(Optional) Number of the channel group; valid values are from 1 to 282. |
counters |
Displays information about the LACP statistics. |
internal |
Displays LACP internal information. |
neighbors |
Displays information about the LACP neighbor. |
sys-id |
Displays the LACP system identification. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
If you do not specify a channel-group, all channel groups are displayed.
The channel-group values from 257 to 282 are supported on the CSM and the FWSM only.
You can enter the optional channel-group to specify a channel group for all keywords, except the sys-id keyword.
Examples
This example shows how to display the LACP statistics for a specific channel group:
Router# show lacp 1 counters
Port Sent Recv Sent Recv Pkts Err
---------------------------------------------------
The output displays the following information:
•
The LACPDUs Sent and Recv columns display the LACPDUs that are sent and received on each specific interface.
•
The LACPDUs Pkts and Err columns display the marker-protocol packets.
This example shows how to display internal information for the interfaces that belong to a specific channel:
Router# show lacp 1 internal
Flags: S - Device sends PDUs at slow rate. F - Device sends PDUs at fast rate.
A - Device is in Active mode. P - Device is in Passive mode.
LACPDUs LACP Port Admin Oper Port Port
Port Flags State Interval Priority Key Key Number State
Fa4/1 saC bndl 30s 32768 100 100 0xc1 0x75
Fa4/2 saC bndl 30s 32768 100 100 0xc2 0x75
Fa4/3 saC bndl 30s 32768 100 100 0xc3 0x75
Fa4/4 saC bndl 30s 32768 100 100 0xc4 0x75
Table 2-77 describes the fields that are shown in the example.
Table 2-77 show lacp internal Command Output Fields
|
|
State |
State of the specific port at the current moment is displayed; allowed values are as follows: • bndl—Port is attached to an aggregator and bundled with other ports. • susp—Port is in a suspended state; it is not attached to any aggregator. • indep—Port is in an independent state (not bundled but able to switch data traffic. In this case, LACP is not running on the partner port). • hot-sby—Port is in a hot-standby state. • down—Port is down. |
LACPDUs Interval |
Interval setting. |
LACP Port Priority |
Port-priority setting. |
Admin Key |
Administrative key. |
Oper Key |
Operator key. |
Port Number |
Port number. |
Port State |
State variables for the port that are encoded as individual bits within a single octet with the following meaning [1]: • bit0: LACP_Activity • bit1: LACP_Timeout • bit2: Aggregation • bit3: Synchronization • bit4: Collecting • bit5: Distributing • bit6: Defaulted • bit7: Expired |
This example shows how to display the information about the LACP neighbors for a specific port channel:
Router# show lacp 1 neighbors
Flags: S - Device sends PDUs at slow rate. F - Device sends PDUs at fast rate.
A - Device is in Active mode. P - Device is in Passive mode.
Channel group 1 neighbors
Port System ID Port Number Age Flags
Fa4/1 8000,00b0.c23e.d84e 0x81 29s P
Fa4/2 8000,00b0.c23e.d84e 0x82 0s P
Fa4/3 8000,00b0.c23e.d84e 0x83 0s P
Fa4/4 8000,00b0.c23e.d84e 0x84 0s P
If no PDUs have been received, the default administrative information is displayed in braces.
This example shows how to display the LACP system identification:
The system identification is made up of the system priority and the system MAC address. The first 2 bytes are the system priority, and the last 6 bytes are the globally administered individual MAC address that is associated to the system.
Related Commands
show logging ip access-list
To display information about the logging IP access list, use the show logging ip access-list command.
show logging ip access-list {cache | config}
Syntax Description
cache |
Displays information about all the entries in the OAL cache. |
config |
Displays information about the logging IP access-list configuration. |
Command Default
This command has no default settings.
Command Modes
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
OAL is supported on IPv4 unicast traffic only.
Examples
This example shows how to display all the entries in the OAL cache:
Router# show logging ip access-list cache
id prot src_ip dst_ip sport dport status count
--------------------------------------------------------------------------------------
1 17 20.2.1.82 21.2.12.2 111 63 Permit 0
2 17 20.2.1.82 21.2.12.2 1135 63 Permit 0
3 17 20.2.1.82 21.2.12.2 2159 63 Permit 0
4 17 20.2.1.82 21.2.12.2 3183 63 Permit 0
5 17 20.2.1.82 21.2.12.2 4207 63 Permit 0
6 17 20.2.1.82 21.2.12.2 5231 63 Deny 0
7 17 20.2.1.82 21.2.12.2 6255 63 Deny 0
8 17 20.2.1.82 21.2.12.2 7279 63 Permit 0
9 17 20.2.1.82 21.2.12.2 8303 63 Permit 0
10 17 20.2.1.82 21.2.12.2 9327 63 Permit 0
11 17 20.2.1.82 21.2.12.2 10351 63 Permit 0
12 17 20.2.1.82 21.2.12.2 11375 63 Permit 0
13 17 20.2.1.82 21.2.12.2 12399 63 Deny 0
14 17 20.2.1.82 21.2.12.2 13423 63 Permit 0
15 17 20.2.1.82 21.2.12.2 14447 63 Deny 0
16 17 20.2.1.82 21.2.12.2 15471 63 Permit 0
17 17 20.2.1.82 21.2.12.2 16495 63 Permit 0
18 17 20.2.1.82 21.2.12.2 17519 63 Permit 0
19 17 20.2.1.82 21.2.12.2 18543 63 Permit 0
20 17 20.2.1.82 21.2.12.2 19567 63 Permit 0
Number of messages logged: 112
Number of packets logged: 11200
Number of packets received for logging: 11200
This example shows how to display information about the logging IP access-list configuration:
Router# show logging ip access-list config
Logging ip access-list configuration
Maximum number of cached entries: 8192
Configured on input direction:
Configured on output direction:
Related Commands
show mac-address-table
To display the information about the MAC-address table, use the show mac-address-table command.
show mac-address-table
show mac-address-table {address mac-addr} [all | {interface interface interface-number} | {vlan vlan-id}]
show mac-address-table aging-time [vlan vlan-id]
show mac-address-table count [vlan vlan-id]
show mac-address-table dynamic [{address mac-addr} | {interface interface interface-number} | {vlan vlan-id}]
show mac-address-table {interface interface interface-number}
show mac-address-table limit [vlan vlan-id | {interface interface}]
show mac-address-table multicast [count | {{igmp-snooping | mld-snooping} [count]} | {user [count]} | {vlan vlan-id}]
show mac-address-table notification {mac-move | threshold}
show mac-address-table static [{address mac-addr} | detail | {interface interface interface-number} | {vlan vlan-id}]
show mac-address-table synchronize statistics
show mac-address-table unicast-flood
show mac-address-table vlan vlan-id
Syntax Description
address mac-addr |
Displays information about the MAC-address table for a specific MAC address; see the "Usage Guidelines" section for format guidelines. |
all |
(Optional) Displays every instance of the specified MAC address in the forwarding table. |
interface interface |
(Optional) Displays information about a specific interface type; possible valid values are ethernet, fastethernet, gigabitethernet, tengigabitethernet, pos, atm, and ge-wan. |
interface-number |
Module and port number; see the "Usage Guidelines" section for valid values. |
vlan vlan-id |
(Optional) Displays information for a specific VLAN only; valid values are from 1 to 4094. |
aging-time |
Displays information about the MAC-address aging time. |
count |
Displays the number of entries that are currently in the MAC-address table. |
dynamic |
Displays information about the dynamic MAC-address table entries only. |
limit |
Displays MAC-usage information. |
multicast |
Displays information about the multicast MAC-address table entries only. |
igmp-snooping |
Displays the addresses learned by IGMP snooping. |
mld-snooping |
Displays the addresses learned by MLDv2 snooping. |
user |
Displays the manually entered (static) addresses. |
notification mac-move |
Displays the MAC-move notification status. |
notification threshold |
Displays the CAM-table utilization notification status. |
static |
Displays information about the static MAC-address table entries only. |
synchronize statistics |
Displays information about the statistics collected on the switch processor. |
unicast-flood |
Displays unicast-flood information. |
Command Default
This command has no default settings.
Command Modes
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
If you do not specify a module number, the output of the show mac-address-table command displays information about the supervisor engine. To display information about the MAC-address table of the switch processor, you must enter the all keyword.
The mac-addr is a 48-bit MAC address and the valid format is H.H.H.
The interface-number argument designates the module and port number. Valid values for interface-number depend on the specified interface type and the chassis and module that are used. For example, if you specify a Gigabit Ethernet interface and have a 48-port 10/100BASE-T Ethernet module that is installed in a 13-slot chassis, valid values for the module number are from 1 to 13 and valid values for the port number are from 1 to 48.
Valid values for mac-group-address are from 1 to 9.
The optional count keyword displays the number of multicast entries.
The optional multicast keyword displays the multicast MAC addresses (groups) in a VLAN or displays all statically installed or IGMP snooping-learned entries in the Layer 2 table.
The information that is displayed in the show mac-address-table unicast-flood command output is as follows:
•
Up to 50 flood entries, shared across all the VLANs that are not configured to use the filter mode, can be recorded.
•
The output field displays are defined as follows:
–
ALERT—Information is updated approximately every 3 seconds.
–
SHUTDOWN—Information is updated approximately every 3 seconds.
Note
The information displayed on the destination MAC addresses is deleted as soon as the floods stop after the port shuts down.
–
Information is updated each time that you install the filter. The information lasts until you remove the filter.
The show mac-address-table protocol {assigned | ip | ipx | other} syntax is not supported on Catalyst 6500 series switches that are configured with a Supervisor Engine 720.
The keyword definitions for the protocol argument are as follows:
•
assigned specifies assigned protocol entries.
•
ip specifies IP protocol.
•
ipx specifies IPX protocols.
•
other specifies other protocol entries.
The dynamic entries that are displayed in the Learn field are always set to Yes.
The show mac-address-table limit command output displays the following information:
•
The current number of MAC addresses.
•
The maximum number of MAC entries that are allowed.
•
The percentage of usage.
The show mac-address-table synchronize statistics command output displays the following information:
•
Number of messages processed at each time interval.
•
Number of active entries sent for synchronization.
•
Number of entries updated, created, ignored, or failed.
Examples
Note
In a distributed EARL switch, the asterisk (*) indicates a MAC address that is learned on a port that is associated with this EARL.
This example shows how to display the information about the MAC-address table for a specific MAC address (the Catalyst 6500 series switch is configured with a Supervisor Engine 2):
Router# show mac-address-table address 001.6441.60ca
vlan mac address type learn qos ports
------+----------------+--------+-----+---+--------------------------
* --- 0001.6441.60ca static No -- Router
This example shows how to display MAC-address table information for a specific MAC address (the Catalyst 6500 series switch is configured with a Supervisor Engine 720):
Router# show mac-address-table address 0100.5e00.0128
Legend: * - primary entry
age - seconds since last seen
vlan mac address type learn age ports
------+----------------+--------+-----+----------+--------------------------
* 44 0100.5e00.0128 static Yes - Fa6/44,Router
* 1 0100.5e00.0128 static Yes - Router
* 44 0100.5e00.0128 static Yes - Fa6/44,Router
* 1 0100.5e00.0128 static Yes - Router
This example shows how to display the currently configured aging time for all VLANs:
Router#
show mac-address-table aging-time
This example shows how to display the entry count for a specific slot:
Router# show mac-address-table count slot 1
Static Address (User-defined) Count: 25
Total MAC Addresses In Use: 29
Total MAC Addresses Available: 131072
This example shows how to display all the dynamic MAC-address entries:
Router# show mac-address-table dynamic
Legend: * - primary entry
age - seconds since last seen
vlan mac address type learn age ports
------+----------------+--------+-----+----------+--------------------------
* 10 0010.0000.0000 dynamic Yes n/a Gi4/1
* 3 0010.0000.0000 dynamic Yes 0 Gi4/2
* 1 0002.fcbc.ac64 dynamic Yes 265 Gi8/1
* 1 0009.12e9.adc0 static No - Router
This example shows how to display the information about the MAC-address table for a specific interface (the Catalyst 6500 series switch is configured with a Supervisor Engine 720):
Router
# show mac-address-table interface fastethernet 6/45
Legend: * - primary entry
age - seconds since last seen
vlan mac address type learn age ports
------+----------------+--------+-----+----------+--------------------------
* 45 00e0.f74c.842d dynamic Yes 5 Fa6/45
Note
A leading asterisk (*) indicates entries from a MAC address that was learned from a packet coming from an outside device to a specific module.
This example shows how to display the MAC-move notification status:
Router
# show mac-address-table notification mac-move
MAC Move Notification: Enabled
This example shows how to display the CAM-table utilization-notification status:
Router
# show mac-address-table notification threshold
-------------+-----------+-------------
This example shows how to display unicast-flood information:
Router
# show mac-address-table unicast-flood
Unicast Flood Protection status: enabled
------+----------+-----------------+----------
No. vlan souce mac addr. installed
-----+------+-----------------+------------------------------+------------------
Vlan souce mac addr. destination mac addr.
------+----------------+-------------------------------------------------
2 0000.0000.cafe 0000.0000.bad0, 0000.0000.babe,
0000.0000.bac2, 0000.0000.bac4,
2 0000.0000.caff 0000.0000.bad1, 0000.0000.babf,
0000.0000.bac3, 0000.0000.bac5,
This example shows how to display all the static MAC-address entries (this Catalyst 6500 series switch is configured with a Supervisor Engine 2):
Router# show mac-address-table static
vlan mac address type learn qos ports
------+----------------+--------+-----+---+--------------------------
* --- 0001.6441.60ca static No -- Router
This example shows how to display the information about the MAC-address table for a specific VLAN:
Router#
show mac-address-table vlan 100
vlan mac address type protocol qos ports
-----+---------------+--------+---------+---+--------------------------------
100 0050.3e8d.6400 static assigned -- Router
100 0050.7312.0cff dynamic ip -- Fa5/9
100 0080.1c93.8040 dynamic ip -- Fa5/9
100 0050.3e8d.6400 static ipx -- Router
100 0050.3e8d.6400 static other -- Router
100 0100.0cdd.dddd static other -- Fa5/9,Router,Switch
100 00d0.5870.a4ff dynamic ip -- Fa5/9
100 00e0.4fac.b400 dynamic ip -- Fa5/9
100 0100.5e00.0001 static ip -- Fa5/9,Switch
100 0050.3e8d.6400 static ip -- Router
This example shows how to display the information about the MAC-address table for MLDv2 snooping:
Router# show mac-address-table multicast mld-snooping
vlan mac address type learn qos ports
-----+---------------+--------+-----+---+--------------------------------
--- 3333.0000.0001 static Yes - Switch,Stby-Switch
--- 3333.0000.000d static Yes - Fa2/1,Fa4/1,Router,Switch
--- 3333.0000.0016 static Yes - Switch,Stby-Switch
Related Commands
show mac-address-table learning
To display the MAC-address learning state, use the show mac-address-table learning command.
show mac-address-table learning [{vlan vlan-id} | {interface interface slot/port}] [module num]
Syntax Description
vlan vlan-id |
(Optional) Displays information about the MAC-address learning state for the specified switch port VLAN; valid values are from 1 to 4094. |
interface interface slot/port |
(Optional) Displays information about the MAC-address learning state for the specified routed interface type, the slot number, and the port number. |
module num |
(Optional) Displays information about the MAC-address learning state for the specified module number. |
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The module num keyword and argument can be used to specify supervisor engines only.
The interface interface slot/port keyword and arguments can be used on routed interfaces only. The interface interface slot/port keyword and arguments cannot be used to configure learning on switch-port interfaces.
If you specify the vlan vlan-id, the state of the MAC-address learning of the specified VLAN, including router interfaces, on all modules, is displayed.
If you specify the vlan vlan-id and the module num, the state of the MAC-address learning of a specified VLAN on a specified module is displayed.
If you specify the interface interface slot/port keyword and arguments, the state of the MAC-address learning of the specified interface on all modules is displayed.
If you specify the interface interface slot/port keyword and arguments, the state of the MAC-address learning of the specified interface on the specified module is displayed.
If you enter the show mac-address-table learning command with no arguments or keywords, the status of MAC learning on all the existing VLANs on all the supervisor engines configured on a Catalyst 6500 series switch is displayed.
Examples
This example shows how to display the MAC-address learning status on all the existing VLANs on all the supervisor engines:
Router# show mac-address-table learning
VLAN/Interface Mod1 Mod4 Mod7
-------------------- ---------------------
GigabitEthernet6/1 no no no
GigabitEthernet6/2 no no no
GigabitEthernet6/4 no no no
GigabitEthernet4/1 no no no
GigabitEthernet4/2 no no no
GigabitEthernet7/1 no no no
GigabitEthernet7/2 no no no
Table 2-78 describes the fields that are shown in the example.
Table 2-78 show mac-address-table learning Field Descriptions
|
|
VLAN/Interface1 |
VLAN ID or interface type, module, and port number. |
Mod# |
Module number of a supervisor engine. |
yes |
MAC-address learning is enabled. |
no |
MAC-address learning is disabled. |
This example shows how to display the status of MAC-address learning on all the existing VLANs on a single supervisor engine:
Router# show mac-address-table learning module 4
-------------------- -----
This example shows how to display the status of MAC-address learning for a specific VLAN on all the supervisor engines:
Router# show mac-address-table learning vlan 100
---- ---------------------
This example shows how to display the status of MAC-address learning for a specific VLAN on a specific supervisor engine:
Router# show mac-address-table learning vlan 100 module 7
This example shows how to display the status of MAC-address learning for a specific supervisor engine:
Router# show mac-address-table learning interface FastEthernet 3/4
--------- ---------------------
This example shows how to display the status of MAC-address learning for a specific interface on a specific specific supervisor engine:
Router# show mac-address-table learning interface FastEthernet 3/4 module 1
Related Commands
show memory dead
To display statistics of memory allocated by processes that are now terminated, use the show memory dead command.
show memory dead [totals]
Syntax Description
totals |
(Optional) Displays memory totals for processes that have been terminated. |
Command Default
This command has no default settings.
Command Modes
User EXEC (>)
Privileged EXEC (#)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Usage Guidelines
The show memory dead command displays information about processes that have been terminated. Terminated processes accounts for memory allocated under another process.
Examples
This example shows the sample output from the show memory dead command:
Head Total(b) Used(b) Free(b) Lowest(b) Largest(b)
I/O 600000 2097152 461024 1636128 1635224 1635960
Address Bytes Prev. Next Ref PrevF NextF Alloc PC What
1D8310 60 1D82C8 1D8378 1 3281FFE Router Init
2CA964 36 2CA914 2CA9B4 1 3281FFE Router Init
2CAA04 112 2CA9B4 2CAAA0 1 3A42144 OSPF Stub LSA RBTree
2CAAA0 68 2CAA04 2CAB10 1 3A420D4 Router Init
2ED714 52 2ED668 2ED774 1 3381C84 Router Init
2F12AC 44 2F124C 2F1304 1 3A50234 Router Init
2F1304 24 2F12AC 2F1348 1 3A420D4 Router Init
2F1348 68 2F1304 2F13B8 1 3381C84 Router Init
300C28 340 300A14 300DA8 1 3381B42 Router Init
Table 2-79 describes the significant fields shown in the display.
Table 2-79 show memory dead Field Descriptions
|
|
Head |
Hexadecimal address of the head of the memory allocation chain. |
Total(b) |
Sum of used bytes plus free bytes. |
Used(b) |
Amount of memory in use. |
Free(b) |
Amount of memory not in use (in bytes). |
Lowest(b) |
Smallest amount of free memory since last boot (in bytes). |
Largest(b) |
Size of the largest available free block (in bytes). |
Address |
Hexadecimal address of the block (in bytes). |
Bytes |
Size of the block (in bytes). |
Prev. |
Address of the preceding block. |
Next |
Address of the following block. |
Ref |
Reference count for that memory block, indicating how many different processes are using that block of memory. |
PrevF |
Address of the preceding free block (if free). |
NextF |
Address of the following free block (if free). |
Alloc PC |
Address of the system call that allocated the block. |
What |
Name of the process that owns the block, or "(fragment)" if the block is a fragment, or "(coalesced)" if the block was coalesced from adjacent free blocks. |
show mls asic
To display the ASIC version, use the show mls asic command.
show mls asic
Syntax Description
This command has no keywords or arguments.
Command Default
This command has no default settings.
Command Modes
EXEC (>)
Command History
|
|
12.2(18)ZY |
Support for this command was introduced. |
Examples
This example shows how to display the ASIC versions:
Tycho - ver:1 Cisco-id:1C8 Vendor-id:49