Cisco Bug: CSCuw37626 - Unexpected BFD/BGP monitor failure due to ports down result in call loss
Dec 25, 2016
- Cisco ASR 5000 Series
Known Affected Releases
Symptom: On executing the cli show srp call-loss statistics it is observed that more than 700K subscribers are lost due to an Unexpected Chassis-Chassis BFD monitor failure on Newly Active CISCO ASR5500. [local]Sachin# show srp call-loss statistics Switchover-1 started at : Mon Sep 21 16:24:24 2015, took 14 seconds to finish. Switchover reason : Chassis-Chassis BFD failure Total number of active calls at switchover time : 5855074 Total number of VoLTE capable subscribers : 0 Total number of subscribers engaged in voice calls : 0 Total number of VoLTE capable subscribers lost : 0 Total number of voice engaged subscribers lost : 0 Total number of lost calls at switchover time : 761716 13.01% Chkpt never sent : 761716 13.01% Chkpt failed : 0 0.00% [local]Sachin# Conditions: This issue is observed when a Call-Model comprising of GTP-LTE, GTP-S2B-LTE, eHRPD, GGSN subscribers without any other redundancy actions being performed.
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Bug Details Include
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