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Cisco Bug: CSCut38547 - ASR 5500 - LAG Switchover after NPU TM Lockup

Last Modified

Jan 29, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.2.6 17.3.0.59625

Description (partial)

Symptom:
LAG Migration after NPU TM Lockup:

******** show npumgr npu-failures 5/0/2 *******
NPU Hardware Failures Detected on Card 5 CPU 0 NPU 2:
   NPU ECC/Parity Failures :        0 (Double ECC and Parity Failure)          100 Limit
   NPU Internal Failures   :        0 (RFD Failure)           0 (RTC Failures)       20 Limit
   NPU ResourceQ Failures  :        0 (IndexQ Failure)        0 (SearchQ Failures)
                           :        0 (RFD Empty)             0 (CMEM Empty)
                           :        0 (TM-PTR-Q Empty)        0 (TM-QQ-Empty)       500 Limit
   NPU RFD Budget Exceeded :                0
   NPU TOPs Watchdog       :        0 (fired)       20 Limit
   NPU ECPU Watchdog       :        0 (fired)       20 Limit
   NPU TM Lockup           :        1 (fired)       20 Limit
   NPU RFD Recyle Failure  :        0 (Bank0)        0 (Bank1)        0 (Bandk2)        0 (Bank3)      100 Limit
   NPU Recovery Times      :
   NPU_TOPSWD_FAILURE      :        0
   NPU_TCAM_ILKN_FAILURE   :        0
   NPU_SWFAB_ILKN_FAILURE  :        0
   NPU_DDF_ILKN_FAILURE    :        0
   NPU_INTERNAL_FAILURE    :        0
   NPU_RSRCQ_FAILURE       :        0
   NPU_ECPU_FAILURE        :        0
   NPU_RFDRECYCLE_FAILURE  :        0
   NPU_TM_FAILURE          :        1
   NPU_TCAM_DEV_FAILURE    :        0

Conditions:
Chassis in a production network using LACP.
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