Cisco Bug: CSCvv29314 - [UPF-IVT] UPF denies SessEstReq and reporting aaamgr memory limit exhausts
Aug 08, 2020
- Cisco ASR 5000 Series
Known Affected Releases
Symptom: 1) PDU session establishment fails 2) SMF reports session disconnect reason: UPF_Setup_Exchange_Failure 3) UPF stats indicate "Denied" counter incrementing for "Session Establishment Response" Conditions: 1) 5G attach with some X calls (300K attempted but many of them failed due to this reason) 2) N4 link goes down. UPF does local purge 3) 5G attach call-model started again 4) At this stage, UPF reports these issues.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
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