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Cisco Bug: CSCur73569 - MME rejects the call with cause Mandatory IE missing: APN IE in SRNS.

Last Modified

Dec 24, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

18.0.0.57764

Description (partial)

Symptom:
MME rejects the call with cause Mandatory IE missing: APN IE in SRNS.

Conditions:
1. UE attaches in 4g.
2. Does 3G-4G S3 SRNS Procedure.
3. After MME receives Forward relocation request message, MME rejects the call with the cause 'EGTP_CAUSE_MANDATORY_IE_MISSING' though the APN is set correctly.
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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