Preview Tool

Cisco Bug: CSCup82109 - CENT: hub MC CENT_COMMUNICATION_THREAD crash@cent_get_instance_by_id

Last Modified

Sep 17, 2019

Products (122)

  • Cisco IOS
  • Cisco 881SRSTW Integrated Services Router
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco 888W Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
View all products in Bug Search Tool Login Required

Known Affected Releases

15.4(3)M 15.4(3)S 15.5(0.15)T 15.5(1)S 15.5(1)T 15.5(3)S

Description (partial)

hub MC CENT_COMMUNICATION_THREAD process might report exception and power cycled unexpectedly like 
UNIX-EXT-SIGNAL: Segmentation fault(11), Process = CENT_COMMUNICATION_THREAD
-Traceback= 1#37370127acdafad8b94299f18b9a531b  :7FFDF049F000+BE390BE :7FFDF049F000+BE34B93 :7FFDF049F000+BE34AB5 :7FFDF049F000+A448F2F :7FFDF049F000+A448ADB :7FFDF049F000+BE3F148 :7FFDF049F000+BE3EF8C :7FFDF049F000+A41C20C 

After longevity test with multiple VRF instances, and issue fp and then following rp switchover on one of border router, could trigger this kind of issue.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.