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CSCsd58192 |
Multicast MAC entry is formed on a Layer 2 VLAN without a querier. |
CSCtn71094 |
The no interface vlan 1 command deletes VLAN 1. |
CSCtn79746 |
The show ethernet service instance statistics command is not displaying any statistics. |
CSCtr05566 |
The Multiprotocol Label Switching (MPLS) traffic fails when port channel encapsulation is not equal to the bridge domain on the core. |
CSCtr70228 |
High CPU utilization is observed while performing save or copy operation. |
CSCts66081 |
Ingress VLAN translation failure occurs when entries exceed 3000. |
CSCts80090 |
The reserved VLANs are not blocked on the router. |
CSCts84679 |
The circuit emulation (CEM) interface displays wrong configuration in the show running-configuration command output, when pw-class is configured. |
CSCts85484 |
Traceback occurs after executing rep preempt segment segid command. |
CSCtw52497 |
The interface drops all ingress packets when you reload the router with write, erase, and copy the saved configuration to the running configuration. |
CSCtw69021 |
Maximum bandwidth guarantee for Multilink Point-to-Point Protocol (MLPPP) interface is not working for 64-byte size frames in Low Latency Queuing (LLQ). |
CSCtx12366 |
The servo is accepting more than 64PPS Sync in static unicast. |
CSCtx22010 |
SyncE is not supported for the Copper SFPs: GLC-T and SFP-GE-T |
CSCtx54735 |
High CPU utilization and traceback is observed while doing copy and paste of 16 E1 controllers unconfigurations. |
CSCtx77374 |
Input errors are increasing when serial interface flaps. This issue is observed on a serial interface that is part of a multilink interface, when keepalive is disabled. |
CSCty95886 |
The file copy function is not detecting errors properly. |
CSCtz38207 |
Router is rebooting continuously due to failed fans. |
CSCtz48755 |
The write operation triggers the flaps for Hot Standby Router Protocol (HSRP). We recommend the use of minimum 1 sec (or above) hello timer for HSRP and Virtual Redundancy Router Protocol (VRRP). With this configuration, we support a maximum of 50 sessions. |
CSCtz69403 |
IPv6 traffic is not getting dropped with link-local as source address. |
CSCua19178 |
Packet drops are seen with IPv6 fragmentation. |
CSCua34320 |
The OSPFv3 keeps old router-id even after changing the loopback address. |
CSCua34389 |
Manual tunnel having MPLS configuration with dynamic option in the following sequence does not set up targeted ldp session resulting in tunnel staying down. shut/no shut of the tunnel brings back the targeted Label Distribution Protocol (LDP) session up.
tunnel destination 36.36.36.36
tunnel mode mpls traffic-eng
tunnel mpls traffic-eng path-option 1 dynamic
The issue is not observed when tunnel mode is configured ahead of tunnel destination. |
CSCua40707 |
The commands related to MPLS and MPLS-TE/FRR are applicable only to SVI interfaces though they can be enabled globally. Configuring MPLS commands on GigabitEthernet interface or port-channel is not supported. |
CSCua49491 |
The MPLS traffic engineering counters are not supported. |
CSCua51628 |
The OSPFv3 bidirectional forwarding detection (BFD) flaps after an interface is shut in a port-channel bundle. |
CSCua81678 |
The following error message is displayed for /128 prefix: “Reached Maximum Number of IPv6 Hosts”. |
CSCua84571 |
Load balancing is not working with different streams having symmetrical addresses. |
CSCua88693 |
The verify command is not supported for the USB flash in the Cisco ASR 901 10G router. |
CSCua98165 |
The IPv6 BFD packets should be mapped to Queue 6 on egress interface. |
CSCua99910 |
MAC address table (MAC learning) failures can be seen with more than 31000 MAC Addresses in certain conditions. So it is safe to assume the platform supports 31000 MAC addresses. |
CSCub12715 |
The “pura_cef_ipv6_route_create_update:Reached Maximum Number of Prefixes supported by platform.Additional Prefixes will not be programmed” message is displayed when the primary path is shut/unshut in a redundant convergent setup. |
CSCub71746 |
Alarm Indication Signal (AIS) is visible momentarily at T1 controller of CE1 while reverting back to primary. |
CSCuc15639 |
Connectivity Fault Management (CFM) is not supported with 100 ms interval. |
CSCuc22630 |
The router fails to recognize USB when its removed immediately after insertion. |
CSCuc25878 |
The UBR transmits at a lower rate when all five class of service (CoS) Private Virtual Circuits (PVCs) are configured. |
CSCuc39560 |
IPv6 traffic drop occurs globally when IPv4 VRF is configured on the same SVI with ip vrf definition. |
CSCuc85033 |
The untagged Ethernet Virtual Circuit (EVC) port is not supported for spanning tree. |
CSCuc95900 |
Traffic is receiving two VLAN tags, instead of three for QinQ with pop 2. |
CSCud05125 |
In traffic generator, the receiver (Rx) counter is incrementing even after the EVC mismatch. |
CSCud14278 |
Border Gateway Protocol (BGP) flap is observed between PEs when traffic from CE side is oversubscribed towards PE. |
CSCud16558 |
High convergence time is observed when “shut” operation is performed on fast re-route (FRR) configured with port channels. This issue can be resolved with BFD. |
CSCud20997 |
The Ethernet Over MPLS (EoMPLS) pseudowire redundancy fails when backup pseudowire is active in TE-FRR backup path. |
CSCud24655 |
CPU hog is observed when primary path is “shut” in an LFA FRR set up with 1000 prefixes. |
CSCud29184 |
The show version command is not giving the image name when the boot system variable is set as: boot system flash image-name. |
CSCud32961 |
Error occurs when any label entry is crossing the 3500 range. |
CSCud37655 |
The xconnect MTU is not used for traffic filtering. |
CSCud71334 |
The mac-address flap control is putting all ports into “err-disabled” state, in some cases. |
CSCud75293 |
The show rom-monitor command is not showing upgraded ROMMON version in IOS mode. |
CSCud79202 |
The show inventory command is displaying the PID of SFP-SX-MM as GLC-SX-MM. |
CSCud89083 |
The router displays “soc_counter_sync: counter thread not responding” error, under heavy CPU usage. |
CSCue11688 |
The VRF routes are leaked from the adjacent VRF with a particular IP:nn pattern. |
CSCue45003 |
ASR901 strom control filter does not support current counters value in show storm output. |
CSCue54634 |
Traffic outage and pstorm errors are observed when port channel is configured and unconfigured multiple times. |
CSCuf21682 |
High reconvergence is observed for global traffic in Remote Loop Free Alternate (RLFA). |
CSCuf48503 |
Higher latency is observed for middle priority queue. |
CSCuf49860 |
Configuration of backup peer on primary xconnect, after bringing up remote peer backup results in flap. |
CSCug61006 |
Auto-select is not working on the Gigabit Ethernet (0/4) port. For combo ports, shutdown or no shutdown on the interface is mandatory while changing the media type from RJ45 to auto-select and auto-select to RJ45 respectively. |
CSCug91477 |
Strom control filter for the port channel does not show the discarded counters. |
CSCug92777 |
On Layer 3, multicast traffic are punted to CPU even when storm control drops all the packets. |
CSCuh54827 |
Layer 2 control protocol forwarding and tunneling is not following the Spanning Tree Group (STG) states updated by Resilient Ethernet Protocol (REP)/Multiple Spanning Tree Protocol (MSTP). |
CSCuh69916 |
The ASR 901 router does not support Multicast Route entry based counters. |
CSCuh81074 |
The output of show ip mroute active and show ip mfib active commands are showing incorrect traffic rate. |
CSCuh84139 |
The ASR 901 router is experiencing very high Fast Reroute (FRR) cutover downtime when port-channel core-facing interface is down. |
CSCui28984 |
If the accept interface and forward interface are in the same BD, multicast traffic is not forwarded. |
CSCui35642 |
Multicast traffic is getting forwarded based on physical interface MTU instead of SVI MTU. |
CSCui59984 |
REP flap is observed on scale configurations (bridge-domain scaled up to 250 or MAC address learnt is about 10K) with low link status layer (LSL) timers. |
CSCui85659 |
Layer 2 control packets (Tx) cannot be spanned. |
CSCui88126 |
“ReachedMaximumNumberIPv6 Hosts” error message and traceback is observed on core link flap. The ASR901 router allows lesser than MAX Multicast Routes due to HASH COLLISION LIMITATION in certain Source and Group Combination. |
CSCuj33687 |
Node failure in open ring results in high convergence time for REP. |
CSCuj49502 |
Multiprotocol Label Switching (MPLS) EXP classification is not working in P router for plain IP, L2VPN and L3VPN traffic flowing from one Ingress MLPPP to another Egress MLPPP/Egress GigabitEthernet. |
CSCuj65823 |
Router console session or telnet session hangs after deleting IMA group. |
CSCuj86953 |
Static NAT entries are not created in the translation table unless there is traffic for that translation. |
CSCuj90830 |
BFD flap is observed in LHR while sending traffic for same group from 100 different sources. |
CSCuj97560 |
The EntityMIB is showing wrong entry for entPhysicalContainedIn for T1/E1 ports. |
CSCuj99184 |
Router fails to trigger Protocol-Independent Multicast (PIM) assert resulting in duplicate traffic for 2 to 3 minutes. |
CSCuj99184 |
Router receives duplicate traffic as it fails to trigger PIM assert. |
CSCul04332 |
Unknown IP multicast packet flooding is observed when snooping is enabled. |
CSCul06056 |
All config-reg values are accepting “break”. |
CSCul12225 |
On a 10G router, when 10G interface is used in 1G mode, traffic switching from one member of port-channel to another takes more time. |
CSCul14767 |
Process thrashing on IP multicast table shows 300 groups. |
CSCul22030 |
Duplicate traffic is received for sometime on the receiver which is directly connected on RP after RPF shut/no-shut operation. |
CSCul30014 |
Traceback is observed while removing ppp multilink group from serial interfaces which are bundled in BCP over MLPPP. |
CSCul41152 |
Layer 3 traffic drop is observed after REP preemption, in REP setup with VLAN load balancing (VLB). |
CSCul58461 |
IGMPv3 Snooping Explicit Host Tracking (EHT) is not working. |
CSCul60965 |
Internet Security Association and Key Management Protocol (ISAKMP) profile is not working with inside global address from outside. |
CSCul67908 |
Internet Group Management Protocol (IGMP) snooping cannot be enabled on specific BDs. |
CSCul71854 |
Traceback is observed at REP LSL Hello PP Process while trying to replace the configuration with G8032 configuration saved in the flash memory. |
CSCum04946 |
For Internet Key Exchange Version 2 (IKEv2), though the tunnel is coming up, the traffic fails to pass through the IPsec tunnel. |
CSCum09333 |
Multicast traffic is looped by Protocol Independent Multicast (PIM) rendezvous point (RP) if traffic is received on a different VLAN. |
CSCum09471 |
Traffic drop is observed on other receiver in the scale scenario. When leave is sent from the host connected on DR side, drop occurs on receiver connected on querier. |
CSCum20414 |
High convergence numbers are observed for multicast traffic when Remote Loop-free Alternate (RLFA) - Fast Reroute (FRR) is configured. |
CSCum23734 |
G8032 is not notified for Connectivity Fault Management (CFM) error when static remote MEP (RMEP) is configured. |
CSCum40529 |
Traffic is not flooded to other interface when IGMP report is stopped on one interface. |
CSCum43027 |
For IGMP and MLD snooping, the PIM neighbourship flaps when Resilient Ethernet Protocol (REP) is configured and pim query-interval is set to a value of 1. |
CSCum48108 |
Convergence is taking more time with LFA-FRR on local shut of BFD enabled path. |
CSCum53244 |
High CPU usage is observed after configuring multiple segments on the same router with REP Edge No-Neighbor configuration. |
CSCum53280 |
IPsec traffic is not getting encrypted, if Authentication Header (AH) Hashed Message Authentication Codes (HMAC) is used with Encapsulating Security Payload (ESP) encryption algorithm. |
CSCum54897 |
Reduced throughput is observed for non-TCP/UDP IPsec traffic. |
CSCum59363 |
Ethernet ring flap is observed when the topology has 3 to 4 rings. |
CSCum94581 |
Delay Measurement Message (DMM) is not working when CFM hardware offload is configured. |
CSCum95421 |
IGMP snooping or MLD snooping entries are not getting updated correctly, when there is a topology change with REP, G8032, or MSTP. |
CSCun02393 |
CPU spike is observed for 10 to 20 seconds when IGMP snooping or MLD snooping is configured with REP or G8032 or MSTP. |
CSCun13361 |
Traffic is not flowing to the IGMP hosts. |
CSCun13467 |
BFD flap is observed after enabling and disabling IP IGMP Snooping on DR. |
CSCun14606 |
After configuring the no ipv6 mld snooping vlan num listener-message-suppression command, the running configuration shows no ipv6 mld snooping vlan num report-suppression . After reboot, the configuration is not accepted and the configuration is lost. |
CSCun17425 |
IPsec tunnel flap is observed when rekey and Dead Peer Detection (DPD) is enabled. |
CSCun20685 |
The ERP state machine flaps during topology reconvergence. |
CSCun25855 |
IPsec counters are doubling when rekeying and DPD are enabled on the IPsec version of the router. |
CSCun27273 |
MPLS Label Distribution Protocol (LDP) bindings are being created for virtual console IP. |
CSCun33689 |
IPsec tunnel ping fails, with repeated removal and addition of tunnel protection from the tunnel interface. |
CSCun35809 |
Traceback is observed after executing show rep topology command when REP is configured. |
CSCun42436 |
IP SLA with Ethernet loopback fails in service performance on both sender and responder. |
CSCun44319 |
If more than 100 IGMP joins or leaves occur in a single burst, some entries might get dropped. It works fine up to a maximum of 100 joins or leaves in a single burst. |
CSCun51336 |
Open Shortest Path First (OSPF) remains active even after configuring Access Control List (ACL) deny any on the interface. |
CSCun52296 |
Validblock_diagnose crash with code 2 and 8 on Soak with triggers. |
CSCun52716 |
Egress policy counters are not working after applying on the port-channel interface. |
CSCun58346 |
The clear ip nat translation command is not clearing translation entries. |
CSCun64957 |
Group replication fails on the LHR (RP also) after reloading the transit router. |
CSCun70313 |
Micro-loop is observed with Multiple Spanning Tree Protocol (MSTP), when the port channel is in no shut mode. |
CSCun73821 |
Traffic drop is observed on G8032 without Connectivity Fault Management (CFM). |
CSCun81002 |
The ACL slices are showing double wide in the Cisco ASR 901 10G IPsec/NAT router. |
CSCun86288 |
Binding table is not getting cleared as DHCP snooping agent fails to process release packets. |
CSCun88604 |
The G.8032 ring is not coming up unless CFM VLANs are in exclusion VLANs. |
CSCuo08420 |
BFD fails while performing ERP open-close-ring combination with neighbor reload. |
CSCuo09033 |
High convergence is observed with G.8032 followed by a failure in G.8032 open ring. |
CSCuo53108 |
The NAT table shows incorrect translation entries for outside NAT. |
CSCuo59884 |
Traceback is observed while booting up the ASR 901 10G router that supports IPsec feature. |
CSCuo68068 |
Port Maintenance Endpoint (MEP) is not supported on port channel for offload and non-offload continuity check messages (CCM). |
CSCuo75014 |
REP configured with platform fast-lsl is flapping after receiving multicast IGMPv4 join and leave messages. |
CSCup03894 |
Router displays error message “media-type auto-select ^ % Invalid input detected at '^' marker” while trying to configure media-type (RJ-45 or SFP) on combo interfaces (g0/4 to g0/8). |
CSCup15056 |
Router crashes due to memory corruption while performing a manual switch in G.8032 |
CSCup52216 |
Address Resolution Protocol (ARP) packets over xconnect interface are getting punted to CPU. |
CSCup56741 |
After upstream router reload, PIM SM groups fail to move to the right RPF interface as CPU punt fails with NS flag. |
CSCup66012 |
Configuring IP/VRF on reserved BD is moving the configuration to global table, instead of VRF table. |
CSCup66350 |
Intermittent traceback is observed when OSPF is enabled over IPsec tunnel. |
CSCup66406 |
OSPF prefixes over 60 fails to advertise over IPsec tunnel. |
CSCup75918 |
Wrong (S,G) entry is observed with CPU punt enabled after running clear ip route command. |
CSCup80154 |
Router hangs on write erase for a configuration file (with confreg 0x00). |
CSCup82096 |
Router is accepting only a maximum of six RMEP with 100 ms in P2MP CFM offload sessions. |
CSCup82217 |
Connectivity Fault Management (CFM) hardware offload session fails to establish Maintenance Domain Identifier. |
CSCum40606 |
Layer 3 convergence is taking more than 200ms with G.8032. |
CSCun12288 |
Offloaded CFM session is not coming up with untagged EVC MEP. |
CSCuo82115 |
CPU hog is observed during boot up. The ERP PP process is running for more than 28ms. |
CSCuq07013 |
Traffic is not flowing from Cisco ASR 901 router running the IPsec software to other routers. |
CSCuq11054 |
OSPF over IPsec tunnel is not coming up with AH encapsulation. |
CSCum82774 |
Tracebacks seen at %SYS-2-BADSHARE: Bad refcount in datagram_done. |
CSCuo45584 |
Router crashes after configuring/unconfiguring PTP and IP routes flap many times. |
CSCur16865 |
Traceback seen after controller is cleared. |
CSCur25327 |
Serial interface is down after CEM interface is admin shut/no shut. |
CSCur26770 |
Ping fails on serial interface after CEM interface is made admin down/up. |
CSCup56741 |
After the upstream router reload, vlan unknown mcast punt fail with NS bit enable. |
CSCuq42802 |
The media-type auto-select is not taking fiber port by default interface. |
CSCuq47448 |
REP notification is not received on MSTP client. |
CSCuq91971 |
CWDM 1G SFPs software write is required to get proper PID. |
CSCur16791 |
Router crashes when CFM domain is unconfigured. |
CSCur31719 |
Router crashes while configuring G8032. |
CSCur31784 |
Ring State not reached Idle State even after the expiry timer. |