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Cisco Bug: CSCun78673 - VFD2:MME:Wrong mapping S11 to NAS cause

Last Modified

Feb 06, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(17)

Description (partial)

Symptom:
UEs keep retrying (loop) the PDN connectivity request that is rejected with cause  #28 (?UNKNOWN PDN TYPE?).

Conditions:
Configure the APN as IPV4V6 at HSS level.
Configure the APN as IPV4 only in PGW.
Configure the UE to request PDN with PDP type = IPV6
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