Cisco Cisco ASR 5000
PGW Restart Notification in S4-SGSN
Monitoring and Troubleshooting PRN support in S4-SGSN ▀
SGSN Administration Guide, StarOS Release 18 ▄
Monitoring and Troubleshooting PRN support in S4-SGSN
This section provides information on the show commands and disconnect reasons available to support this feature.
PGW Restart Notification Show Command(s) and/or Outputs
This section provides information regarding show commands and/or their outputs in support of the PRN feature in S4-
SGSN:
SGSN:
show s4-sgsn statistics
The following PDP Deletion Statistics have been added to the
show s4-sgsn statistics
command:
PDP Deletion Statistics
3G S4 PDPs Deleted due to PGW Restart Notification
2G S4 PDPs Deleted due to PGW Restart Notification
show egtpc statistics
The following PGW Restart Notification statistics have been added to
show egtpc statistics
:
PGW Restart Notification Request
Total RX
Initial RX
Retrans RX
PGW Restart Notification Ack
Total TX
Initial TX
Accepted
Denied
Discarded
Notes:
When APN Restoration priority value is available, either through local configuration or through subscription
received from HSS, then the SGSN sends Deactivation Request with SM Cause "Reactivation Required"
towards MS after PGW Restart Notification Request from SGW.
towards MS after PGW Restart Notification Request from SGW.
When APN Restoration priority value is not available and the subscriber is in Idle/Standby state, the SGSN
deletes the affected bearers locally and does not trigger Paging Request towards the MS to send Deactivation
Request.
Request.
When APN Restoration priority value is not available and the subscriber is in Connected/Ready state, the SGSN
will send Deactivation Request.