Cisco Cisco Packet Data Interworking Function (PDIF)
P-GW Changes in Release 17
▀ P-GW Enhancements for 17.1
▄ Release Change Reference, StarOS Release 17
380
Diameter (Gy) Server has configuration as: --result-code 5030
P-GW GTP cause in Create Session Response is USER_AUTHENTICATION_FAILED.
CSCur51701 - Disconnect Reason Not Updated correctly For Saegw-collapsed
call
Feature Changes
P-GW and SAEGW Session Disconnect Reason Not Updated Correctly for Multi Bearer Call
Previous Behavior: When the first dedicated bearer was released for P-GW and SAEGW calls for a multi bearer call,
the disconnect reason was set for all bearers. Other bearers went down with different disconnect reasons and the new
disconnect reason was not updated in the bearers. Therefore, the
the disconnect reason was set for all bearers. Other bearers went down with different disconnect reasons and the new
disconnect reason was not updated in the bearers. Therefore, the
show session disconnect
reason displayed the
wrong output.
New Behavior: When the first dedicated bearer is released for P-GW and SAEGW calls for a multi bearer call, the
disconnect reason is only set to specific bearers. After other bearers go down with a different disconnect reason, the new
disconnect reasons is updated correctly in the bearers. Therefore, the
disconnect reason is only set to specific bearers. After other bearers go down with a different disconnect reason, the new
disconnect reasons is updated correctly in the bearers. Therefore, the
show session disconnect
reason will display
the correct output.
CSCur52706 - PGW/GGSN: Disc-reason Bulkstats verifiction reqd for
CSCur33479
Performance Indicator Changes
show pgw-service statistics
The following counter has been added under PDNs Rejected By Reason section:
Apn-Denied No Subscription
CSCur47338 - [SysTest] audit-gtpumgr-failure CRR recovery failures observed
Feature Changes
SM and GTPUMGR Behavior for Same Remote TEID
Initially, there was inconsistency between sm and gtpumgr if dedicated bearer had the same remote TEID for the same
peer. In gtpumgr, the old bearer was replaced by a new bearer; in sm, P-GW kept both bearers.
peer. In gtpumgr, the old bearer was replaced by a new bearer; in sm, P-GW kept both bearers.
Previous Behavior: If both bearers have same remote TEID, then gtpumgr removed old bearer and replaced with a
new bearer; however, sm kept both bearers.
new bearer; however, sm kept both bearers.
New Behavior: Now, both sm and gtpumgr keep only the new bearer and old bearer is deleted/removed from the sm
and gtpumgr.
and gtpumgr.