Cisco Cisco Packet Data Interworking Function (PDIF)
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P-GW Changes in Release 17
P-GW Enhancements for 17.1 ▀
Release Change Reference, StarOS Release 17 ▄
371
Notes:
del-cause
: Specifies the GTP cause code used in Delete Bearer/Delete PDP Context Requests when timeout
occurs on default bearer.
none
: Omit GTP cause IE in DBR/DPC when timeout occurs on default bearer.
reactiv-req
: The DBR/DPC will include “Cause-IE” with GTP cause code “Reactivation Requested”.
By default, the
del-cause
option is not defined and existing behavior is retained.
The new behavior is applicable only if Delete Bearer Request is sent for default bearer, or Delete PDP Context is
sent to delete the PDN connection or its last PDP context.
The new behavior for Cause-IE given in this CLI shall override the cause-code set by existing features.
timeout idle
When subscribers are deleted due to APN timeouts, the GGSN/P-GW/SAEGW may include “Cause-IE” in the resulting
Delete Bearer Request/Delete PDP Context messages for default bearer. The new keyword
Delete Bearer Request/Delete PDP Context messages for default bearer. The new keyword
del-cause
is optional and
can be combined with existing options to modify “Cause-IE” behavior.
configure
context context_name
apn apn_name
timeout idle idle_dur [ del-cause { none | reactiv-req } ]
{ default | no } timeout idle del-cause
end
Notes:
del-cause
: Specifies the GTP cause code used in Delete Bearer/Delete PDP Context Requests when timeout
occurs on default bearer.
none
: Omit GTP cause IE in DBR/DPC when timeout occurs on default bearer.
reactiv-req
: The DBR/DPC will include “Cause-IE” with GTP cause code “Reactivation Requested”.
By default, the
del-cause
option is not defined and existing behavior is retained.
The new behavior is applicable only if Delete Bearer Request is sent for Default Bearer, or Delete PDP Context
is sent to delete the PDN connection or its last PDP context.
The new behavior for Cause-IE given in this CLI shall override the cause-code set by existing features.
CSCul30091 - PGW fails to resolve P-CSCF address
Feature Changes
P-GW Support for P-CSCF Discovery During Handoff
Previous Behavior: A specific customer relied on the P-GW to resolve the P-CSCF address over DNS and include the
PCO Options if the UE requests the P-CSCF address. During certain external or internal DNS failures, the P-GW may
PCO Options if the UE requests the P-CSCF address. During certain external or internal DNS failures, the P-GW may