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Cisco Bug: CSCuj20175 - Fix CSCue46800 is not present in build 14.0.50176

Last Modified

Feb 09, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

14.0(38)

Description (partial)

Symptom:
Tracking Area Update rejects with "illegal ME",  due to Security Mode Command  failure coming from the UE in the NAS . This 'illegal ME' from the MME triggers an unwanted situation at the UE, which is unacceptable.

Conditions:
MME running R14.0 (50176), where this fix is not present. Then issue can be seen.
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