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Cisco Bug: CSCvs54372 - [CUPS] egtpc_handle_user_sap_event()

Last Modified

Jan 24, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.16.c4.73903

Description (partial)

Symptom:
Crash was observed when DSREQ(SI = 1) was received and while sending the DSRSP egtpc ingress side was already cleaned up.

Conditions:
Scenario:
1. Create multipdn pure s call.
2. Configure bearer inactivity in apn profile.
3. Let one pdn get cleared due to Bearer inactivity.
4. Hold the DSRsp from PGW(Deletion in progress due to bearer inactivity), and perform SGW HO.
5. DSRsp for DSReq(SI=1) will tried to be sent, but the egtpc s11 side(for both the pdn's) is already cleaned up as a result of this, we will see crash.
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