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Cisco Bug: CSCuj52667 - sessmgr 10739 unusual Sess-Geog-Redundancy failed to DECODE cal

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(14)

Description (partial)

Symptom:
Standby chassis reports  failure to decode the Call Recovery Information. Upon SRP switchover such subscribers will be lost as there is no call record maintained on Standby. As well as for a standalone recovery since Standalone recovery and Inter chassis redundancy uses the same code

Conditions:
Even though DNS is returning 3 IPV6 P-CSCF server addresses, PGW is sometimes creating 6 IPV6 addresses(duplicating the received 3 addresses) into PCO options IE in CreateSessionResponse. So in CreateSessionResponse Active chassis is corrupting the egtpc-serv-id field by overwriting its memory location with P-CSCF server addresses. This causes invalid service-id on Stanbdby chassis while decoding the Call Recovery Record received from Active checkpointing.
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