Cisco Cisco Packet Data Gateway (PDG)
SAEGW Changes in Release 17
▀ SAEGW Enhancements for 17.2
▄ Release Change Reference, StarOS Release 17
418
PCRF provided an APN AMBR after GnGp. The default EPS bearer QoS was not addressed as part of the
egtp
modify-bearer-cmd-negotiate-qos
CLI command.
New Behavior: The UB request for MBC contains the last negotiated APN AMBR after GnGp if the PCRF is not
reachable and the UB request for MBC contains the last authorized APN AMBR if the PCRF provides an APN AMBR
after GnGp. This change sends the last authorized DEBQ in UB request if:
reachable and the UB request for MBC contains the last authorized APN AMBR if the PCRF provides an APN AMBR
after GnGp. This change sends the last authorized DEBQ in UB request if:
the UB request is triggered by MBC
the MBC requested a DEBQ
the requested DEBQ is different than the current authorized value
the PCRF is configured and if does not provide DEBQ
egtp modify-bearer-cmd-negotiate-qos
is configured under P-GW service
CSCur61470 - S2B Support on SAE-GW
Applicable Products: SAEGW
Feature Changes
GTP-based S2b Interface Support on the SAEGW
Important:
GTP-based S2b Interface Support on the SAEGW is currently supported as lab quality only. Full
support for this feature is planned for a future release.
GTP-based S2b interface support has been implemented on the SAEGW. The S2b interface connects the SAEGW with
the ePDG. The access types supported are:
the ePDG. The access types supported are:
4G
Wifi
GTP-based S2b interface support on the SAEGW supports the following features:
Basic WIFI call over SAEGW service
Collapsed LTE call to WiFi handover
WiFi to collapsed LTE Call handover
WiFi to LTE handover success
LTE to WiFi handover success
Context replacement from LTE (SAEGW S+P) for ongoing WiFi call
Context replacement for WiFi call with SAEGW collapsed call
Multi-PDN cases are supported, but not Multi-PDN cases for the same APN
Support of all the above cases for IPv4, IPv6 and IPv4v6 addresses