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Cisco Bug: CSCur41900 - Rollback Behavior in EPC during TAU/RAU Needs to be Corrected

Last Modified

Feb 27, 2018

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0

Description (partial)

Symptom:
Series of TAU/RAU reject with network/ESM failure and UE identity cannot be derived by the network (9), and leading to deletion and recreation of PDPs/PDNs due to SGSN and MME rollback behavior.

Conditions:
This issue is seen only when target RAT is restricted for the subscriber as per Access-Restriction-Data received in ULA/ULR from HSS/HLR.
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