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Cisco Bug: CSCus54250 - MME responds to IDR immediately during PAGING

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(934) 17.2.0.58622

Description (partial)

Symptom:
When PAGING due to DDN is in progress (higher pecedence than ISDR) MME replies to ISDR immediately rather waiting for PAGING to finish or UE to respond.

Conditions:
heusristic paging is enabled
precedence for DDN event is higher than ISDR event.

precedence 6 traffic-type ps paging-profile ppd
precedence 10 traffic-type signaling idr paging-profile pp1 

1. User is attached, goes to idle mode.
2. DDN from sgw is received at MME.
3. MME picks the paging profile "ppd" from paging map i.e the one configured for DDN event.
4. MME receives IDR from HSS with flags value set to 28.
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