Cisco Bug: CSCvs06591 - [BP-CUPS]- sgwdrv_store_clp_pdn_from_egtpc()
Oct 02, 2020
- Cisco ASR 5000 Series
- Cisco ASR 5500
Known Affected Releases
21.15.16 21.16.1 126.96.36.199508 21.16.2 21.16.3 21.16.c2 21.16.c3 21.16.d0 21.17.0
Symptom: CRASH was observed when SGW Relocation is in progress(ST Pending) and we perform clear sub all local purge. Conditions: This issue can be reproduced with below steps: 1. Create a multipdn pure s or collapsed call. 2. Perform sgw relocation. 3. Hold the ST response for DSReq(SI = 1) 4. Perform the clear sub all local purge. 5. Due to this DSCfm will be not sent to MME, as a result a hanging session is created at egtpc ingress side. 6. Later if we perform s11 path failure, we can see the reported crash with above stack trace.
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