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Cisco Bug: CSCvt78179 - PLATFORM-PLAT_FIB-3-HW_PROG_ERROR failed for table,ipnhgroup after all interface removal and re-add

Last Modified

Sep 02, 2020

Products (12)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco Network Convergence System 5504
  • Cisco Network Convergence System 55A2-MOD-HD-S
  • Cisco Network Convergence System 5516
  • Cisco Network Convergence System 5502-SE
  • Cisco Network Convergence System 55A1-24H
  • Cisco Network Convergence System 5502
  • Cisco Network Convergence System 55A2-MOD-S
  • Cisco Network Convergence System 55A2-MOD-SE-S
  • Cisco Network Convergence System 5501-SE
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Known Affected Releases

7.2.1.BASE 7.3.1.BASE

Description (partial)

Release-note

Symptom:
We would see a Syslog like 
RP/0/RP0/CPU0:Apr 8 13:01:48.983 IST: fib_mgr[318]: %PLATFORM-PLAT_FIB-3-HW_PROG_ERROR : HW Programming failed for table,ipnhgroup,key,0x3f012000122f,unit,0,dpa_trans_id,302119,failure-reason,HW returned failure

Possible traffic failure (depends on the ecmp hashing).

Conditions:
The issue occurs when there is an ECMP of TE paths with unlabelled / PHP paths.
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Bug Details Include

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  • Status
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