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Cisco Bug: CSCvv74288 - N26 - TAU Reject due to E-RAB Modification Indication - Collision

Last Modified

Oct 12, 2020

Products (1)

  • Cisco MME Mobility Management Entity

Known Affected Releases


Description (partial)

Call failure occurred in N26 TAU causing TAU Reject.
Operation procedure is in progress after inbound TAU_REQ.
E-RAB MOD IND occurred. This requires MBRQ/MBRP operation. However, MBRQ/MBRP did not work.
Suddenly we see PATH SWITH REQ FAILURE occurred. [cause=interaction-with-other-procedure]

MME/AMF with build 21.20.3
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