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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)

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

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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