Cisco Cisco Tunnel Terminating Gateway (TTG)
SGSN Changes in Release 16
▀ SGSN Enhancements for 16.0
▄ Release Change Reference, StarOS Release 16
532
apn-type ims
remove apn-type ims
end
Notes:
apn-type ims
identifies the APN as an IMS APN. This enables the SGSN to delay sending Modify Bearer
Request to the S-GW until after receiving the Forward Relocation Complete Ack from the peer during SRNS
procedure. By default this identification is disabled.
procedure. By default this identification is disabled.
remove
erases this identification configuration from the APN profile and resets to the default.
CSCul66952 - 2G/3G new counter to measure failure for IMSI identity request.
Feature Changes
Counters for T3370 timer Modified
Previous Behavior: The T3370 timer has one counter each for 2G and 3G services to indicate the total number of
times the T3370 timer timed-out for the service.
times the T3370 timer timed-out for the service.
New Behavior: The T3370 timer has been segregated into following counters based on Identity Type:
3G-T3370-Expiry-IMSI
2G-T3370-Expiry-IMSI
3G-T3370-Expiry-IMEI
2G-T3370-Expiry-IMEI
3G-T3370-Expiry-IMEISV
2G-T3370-Expiry-IMEISV
3G-T3370-Expiry-TMSI
2G-T3370-Expiry-TMSI
3G-T3370-Expiry-Other
2G-T3370-Expiry-Other
Performance Indicator Changes
SGSN Schema
The following T3370 timer bulk statistics are deprecated:
3G-T3370-Expiry
2G-T3370-Expiry
The following T3370 timer bulk statistics are included, these bulk statistics are identity based:
3G-T3370-Expiry-IMSI