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Cisco Bug: CSCvt44875 - [Non-IP Data Over SCEF] MME does not send CMR-Update on PTW

Last Modified

May 19, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.13.17 21.13.19 21.19.0 21.19.n1

Description (partial)

Symptom:
After Attach complete, due to s1 connection release UE moves to IDLE state. When MT data request is sent from SCEF, MME validates the paging occasion, if UE is not in PTW then MT data answer with DIAMETER_ERROR_USER_TEMPORARILY_UNREACHABLMME is sent to SCEF. When next PTW starts, MME does not send CMR-Update to SCEF, hence SCEF state is inconsistent and MME didn't send Paging for further data transfer

Conditions:
PTW and edrx are configured in call control profile and mme service. UE is in IDLE state
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