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Cisco Bug: CSCvu96538 - [MME] Old GUTI Type IE to be used to determine the GUTI type

Last Modified

Sep 17, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.20.0.76378 21.20.2

Description (partial)

Symptom:
In 5G to 4G TAU,MME does not send Context request to AMF. TAU is getting rejected.

Conditions:
TAU request sent with Old GUTI and Old GUTI Type IEs.
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