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Cisco Bug: CSCup22494 - DDN-cause[0x6] not handled properly by MME during PDN-CONNECTIVIY PROC

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.2(0)

Description (partial) 

Symptom:
DDN-cause[0x6] not handled properly by MME during PDN-CONNECTIVIY PROC

Conditions:
If the UE is in ECM-CONNECTED state and SGW sends DDN with cause -EGTP_CAUSE_ERROR_IND_RCVD_RNC_ENODE (0x06) due to the GTPU_ERROR IND msg sent from Enb.

MME is supposed to  move the UE in to Idle mode and get it back in to CONNECTED mode by N/w Triggered service Request Procedure. This is not working in Specific scenario.
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