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Cisco Bug: CSCvt17660 - ERAB Modification failed with "Semantic error" during collision with PDN Connectivity request proc

Last Modified

Oct 10, 2020

Products (2)

  • Cisco MME Mobility Management Entity
  • Cisco MME Mobility Management Entity

Known Affected Releases

21.11.16 21.12.16 21.14.20 21.17.4 21.17.5 21.19.0 21.19.n1 21.20.0 21.5.28

Description (partial)

Symptom:
MME sends ERAB Modification failure with cause "Semantic error".

Conditions:
Issue would be observed when ERAB Modification Indication is received while CS Request has already been triggered for additional PDN request.
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