Cisco Cisco Packet Data Interworking Function (PDIF) Notas De La Versión
P-GW Changes in Release 15.0
▀ P-GW Enhancements for November 30, 2013
▄ Cisco ASR 5x00 Release Change Reference
396
CSCui98507 - Call loss when SGW restoration with same SGW in progress
Feature Changes
GTP-U Management Changes During S-GW Restoration
Previous Behavior: GTPUMGR sessions were not cleaned up on moving to S-GW Restoration State and GTP-U
ECHO continued to happen and stopped only after GTP-U PATH failure detection. Error Indication was honored as
normal.
ECHO continued to happen and stopped only after GTP-U PATH failure detection. Error Indication was honored as
normal.
New Behavior: On entering S-GW Restoration state, GTPUMGR session entries will be cleaned up and it will stop
GTP-U ECHO towards peer S-GW. GTP-U session entries will rebuild on receiving MBReq to recover the sessions.
GTPUMGR will drop ERROR_IND if the session is in S-GW Restoration State.
GTP-U ECHO towards peer S-GW. GTP-U session entries will rebuild on receiving MBReq to recover the sessions.
GTPUMGR will drop ERROR_IND if the session is in S-GW Restoration State.
Customer Impact: If S-GW follows recommendation from 23.007, then no subscriber impact. If S-GW does not
follow, then during S-GW restoration, 50% or more calls could be lost.
follow, then during S-GW restoration, 50% or more calls could be lost.
CSCul23543 - PGW rejects session with Status as Adminiprohibited in PMIP
PBA
Feature Changes
Starent-Subscriber-Permission AVP Validation
Previous Behavior: LMA/PMIP P-GW calls rejected if Starent-Subscriber-Permission AVP if received from S6b and
0x04 bit is not set.
0x04 bit is not set.
New Behavior: Validation of Starent-Subscriber-Permission AVP not done for LMA/PMIP P-GW calls so behavior is
consistent with LTE calls and calls are not rejected.
consistent with LTE calls and calls are not rejected.