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Cisco Bug: CSCup13181 - PC: [0371fdf8/X] sessmgr_audit_add_service_flows(). calls lost after swo

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.1(0) 17.0(1)

Description (partial)

Symptom:
1) brought 20k calls (10k stable and 10k at slow rate)
2) After preallocation of 10k calls and other calls being established, killed sitmain process in active chassis
(chassis has only one smc), so that it triggered icsr switchover.
3) Now active chassis has below crash, some 10% of call loss seen
4) After some point of time, when i perform an icsr switchover, all calls were lost in new chassis.
Even crash is seen in newly active chassis.

The crash is seen rarely. But call loss is seen step3 & 4 (around 20%) with no session disconnect reason.

Conditions:
when DHCP services are configured in ICSR chassis mode.
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