Cisco Bug: CSCvu63256 - Duplication of Session on UP and Zombie Sub
Sep 16, 2020
- Cisco ASR 5000 Series
- Cisco ASR 5500
Known Affected Releases
21.17.8 18.104.22.168981 21.18.0 21.19.4 21.19.n3 21.20.1
Symptom: a. Upon SF card reset from vCD, sub disappears on the CP, but active on the UP. When UP sent SX_SESSION_REPORT_REQUEST to CP with USAGE REPORT, CP returned PFCP_CAUSE_CONTEXT_NOT_FOUND in the SX_SESSION_REPORT_RESPONSE message and call was disconnected with Disconnect Reason: sx-cntxt-not-found. b. When sub reconnected, customer noticed sub had double session on the UP. Both sessions has same IP address, different sessmgr instance, different callid. One of the sessions was staled. Conditions: Testing vHGW CUPS solution with VMWare deployment. vPC-DI/CP (SF and CF) not in ICSR mode vPC-SI/UP with RCM deployment (N:M), 2:1 on the day of testing.
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