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Cisco Bug: CSCun41292 - ASR1001 crash when show ip ei vrf X topo X.X.X.X/X

Last Modified

Aug 14, 2017

Products (17)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco ME 3600X-24CX-M Switch
  • Cisco 7600 Series Route Switch Processor 720 with 10 Gigabit Ethernet Uplinks
  • Cisco 7600 Series Route Switch Processor 720 with Multilayer Switch Feature Card
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Known Affected Releases

15.3(1)S

Description (partial) 

Symptom: On a Cisco ASR 1001 router running Cisco IOS Release 15.3(1)S, a crash occurs when the "show ip ei vrf X topo X.X.X.X/X" command is executed. The  X.X.X.X/X must be in "FD is infinity" status in EIGRP as CSCtz01338.

asr1001_bew_03# show ip ei vrf * to all | i Infinity
P 174.162.XX.XX/24, 0 successors, FD is Infinity, U, serno 37, refcount 1
snip
P 174.180.XX.XX/29, 0 successors, FD is Infinity, U, serno 46, refcount 1
asr1001_bew_03#
asr1001_bew_03#
asr1001_bew_03#
asr1001_bew_03#
asr1001_bew_03#
asr1001_bew_03#show ip ei vrf 1 to 174.162.XX.XX/24


Exception to IOS Thread:
Frame pointer 0x7F63DF6602D0, PC = 0x1956C8D

UNIX-EXT-SIGNAL: Segmentation fault(11), Process = Exec
-Traceback= 1#980611ad3b9665cd80fe5178bcd6036a  :400000+1556C8D :400000+1556B09 :400000+15569D1 :400000+157DE39 :400000+15197A2 :400000+1518659 :400000+156BA5E :400000+15591D1 :400000+1189768 :400000+1188E6D :400000+1186E15 :400000+484F270 :400000+11A1CA0 

Fastpath Thread backtrace: 
-Traceback= 1#980611ad3b9665cd80fe5178bcd6036a  c:7F64154A4000+BE002 

Auxiliary Thread backtrace: 
-Traceback= 1#980611ad3b9665cd80fe5178bcd6036a  pthread:7F640ED43000+A7C9
Conditions: This symptom occurs when X.X.X.X/X is in "FD is infinity" status in EIGRP.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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