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Cisco Bug: CSCvt69139 - [BP_PCT PGW] re-attach issue with stale Wifi subscribers

Last Modified

Jun 26, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.19.0 21.19.n1 21.6.b26 21.6.b26.75107

Description (partial)

Symptom:
PGW responds with INVALID_MESSAGE_FORMAT for CSReq when subscriber is stale and  tries to re-attach

Conditions:
Issue is observed when Wifi subscriber has become stale session at PGW and the same subscriber is trying to attach again without PAA, while  the feature CLI "gtpc s2b-ue-ipaddr-preserve"  CLI is enabled
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