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Cisco Bug: CSCuo38958 - WLC unable to reach its GW when HA mode is enabled

Last Modified

May 03, 2019

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

7.4(100.0)

Description (partial)

Symptom:
WLC unable to reach its GW when HA mode is enabled

Conditions:
I See some large CPU spikes on the message logs due to task NBAR2_Task  and some data plane messages  with tracebacks :

*osapiReaper: Apr 03 13:43:19.268: #OSAPI-5-CLEAN_TASK: osapi_task.c:3348 Reaper cleaning up exited task 'osapi_ping_rx' (0x1449c4d0)

*emWeb: Apr 03 13:40:46.255: #SIM-6-MACADDR_GET_FAIL: sim.c:1495 Interface 0 source MAC address is not found. Using the system MAC 4C:4E:35:7E:47:60 instead.

*osapiReaper: Apr 03 13:40:38.724: #OSAPI-4-TASK_PRIORITY_INFO: osapi_task.c:3656 2. TryLock - Apr 03 13:40:38 - TaskID 0x1449b9f0 ('emWeb') osapi_prio 7 old_prio 0 pthread_prio 95 cur_prio 95 tickleTimer 30
*osapiReaper: Apr 03 13:40:38.724: #OSAPI-3-SEM_PRIORITY_INFO_2: osapi_task.c:3648 


*osapiReaper: Apr 03 13:04:51.888: #OSAPI-4-CPU_OVERLOAD: osapi_task.c:3542 Warning! Task 1437 (NBAR2_Task) is taking 85% (85% user 0%system)of the cpu!.

*osapiReaper: Apr 03 13:04:41.869: #OSAPI-5-CLEAN_TASK: osapi_task.c:3348 Reaper cleaning up exited task 'LICENSE AGENT DEFAULT' (0x1449cc10)

*osapiReaper: Apr 03 13:04:41.853: #OSAPI-4-CPU_OVERLOAD: osapi_task.


*broffu_SocketReceive: Apr 03 13:02:50.583: #DATAPLANE-6-DP_MSG: broffu_fp_dapi_cmd.c:3613 FP0.01:(24)LINK-UPDOWN: UP     Port5 (phy01) at  1000 Full


*broffu_SocketReceive: Apr 03 13:02:50.043: #DATAPLANE-6-DP_MSG: broffu_fp_dapi_cmd.c:3613 FP0.01:(23)LINK-UPDOWN: UP     Port4 (phy18) at  1000 Full


*mfpKeyRefreshTask: Apr 03 13:02:49.769: #SSHPM-3-NOT_INIT: bsnrandom.c:620 Random context not initialized

-Traceback:  0x106b1a74 0x103fe030 0x10740f04 0x10b07938 0x12020250 0x12080bfc
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