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Cisco Bug: CSCvv76271 - Transient HW Programming error seen on certain l2vpn config sequence

Last Modified

Sep 18, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.6.3.BASE

Description (partial)

Symptom:
transient programming failure and system gets recovered once ARP gets resolved.
LC/0/0/CPU0:Jul 19 01:22:36.303 IST: fib_mgr[187]: %PLATFORM-PLAT_FIB-3-HW_PROG_ERROR : HW Programming failed for table,ipnhgroup,key,0,unit,0,dpa_trans_id,207090570,failure-reason,Dependency resolution failed

Conditions:
RP/0/RP0/CPU0:ios#conf
Mon Jul 27 16:50:23.895 UTC
RP/0/RP0/CPU0:ios(config)#no int tenGigE 0/0/0/4.2
RP/0/RP0/CPU0:ios(config)#int tenGigE 0/0/0/4.1 l2
RP/0/RP0/CPU0:ios(config-subif)#encapsulation dot1q 1
RP/0/RP0/CPU0:ios(config-subif)#rewrite ingress tag pop 1 symmetric
RP/0/RP0/CPU0:ios(config-subif)#exit
RP/0/RP0/CPU0:ios(config)#l2vpn bridge group 1
RP/0/RP0/CPU0:ios(config-l2vpn-bg)#bridge-domain 1
RP/0/RP0/CPU0:ios(config-l2vpn-bg-bd)#no int tenGigE 0/0/0/4.2
RP/0/RP0/CPU0:ios(config-l2vpn-bg-bd)#int tenGigE 0/0/0/4.1
RP/0/RP0/CPU0:ios(config-l2vpn-bg-bd-ac)#commit
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