Cisco Cisco Packet Data Gateway (PDG) Nota Di Rilascio
P-GW Changes in Release 15.0
▀ P-GW Enhancements for September 30, 2013
▄ Cisco ASR 5x00 Release Change Reference
408
New Behavior: New functionality has been added to do local switching for MR-to-MR packets without sending packets
out of ASR 5000. If packet is not MR-to-MR, then it will be forwarded and outbound packet will also match default
route.
out of ASR 5000. If packet is not MR-to-MR, then it will be forwarded and outbound packet will also match default
route.
NEMO Support in GGSN
This feature now supports standards-based NEMO feature on GGSN, which allows operators to support Enterprise VPN
service with the advantage of faster deployment and flexible bandwidth arrangement for customers.
service with the advantage of faster deployment and flexible bandwidth arrangement for customers.
Previous Behavior: NEMO support in P-GW was added in earlier StarOS releases.
New Behavior: In StarOS Release 15.0, support is added for GGSN as well so that NEMO can be supported for
subscribers roaming out on 3G (UMTS/GERAN) networks.
subscribers roaming out on 3G (UMTS/GERAN) networks.
Important:
Use of Dynamic Network Mobile Routing (NEMO) for GGSN requires that a valid license key be
installed. Contact your Cisco account representative for information on how to obtain a license.
NEMO (NEtwork MObility) provides wireless connectivity between enterprise core network and remote sites over
3G/4G network. The wireless connection can be used as either primary link or backup link. All the hosts in the remote
site can directly communicate with hosts in the core network without using NAT.
3G/4G network. The wireless connection can be used as either primary link or backup link. All the hosts in the remote
site can directly communicate with hosts in the core network without using NAT.
Enterprise VPN service is one of the main use case for this feature. Fast deployment and flexible bandwidth
arrangement for customers are some of the advantages of this service. Customers include banks, financial institutions,
multi-sited enterprises, city public safety departments, transportation fleet, etc.
arrangement for customers are some of the advantages of this service. Customers include banks, financial institutions,
multi-sited enterprises, city public safety departments, transportation fleet, etc.
New Bulkstats Addition in eGTP-C Per Message
Statistics added to better track performance of GTPv2-C peers in the P-GW. Bulkstats added for reject causes in CSRsp,
DSRsp, CBRsp, UBRsp, and DBRsp.
DSRsp, CBRsp, UBRsp, and DBRsp.
P-GW - S2a PMIPv6 - 3GPP VSA Support for PBA Reject Status
Confirmed that when the reject status is sent for a PBU via a PBA message, the Vendor Specific Mobility option is not
set.
set.
P-GW - S2a PMIPv6 - Heartbeat Message Support
P-GW now responds to heartbeat message requests from HSGW.
P-GW - S2a PMIPv6 - Interworking with non-Cisco HSGW
Confirmed that the P-GW will ignore the vendor-specific IEs, if any, and shall establish the calls.
P-GW - S5 GTP - Interworking with non-Cisco S-GW
Confirmed that the P-GW will ignore the vendor-specific IEs, if any, and shall establish the calls.
P-GW Should Honor the TTL Provided by DNS for P-CSCF Resolution
P-GW receives the P-CSCF FQDN from the AAA and resolves the FQDN via DNS to provide the IP addresses to the
UE.
UE.
Previous Behavior: If the received TTL is less than 60 seconds, it was set to 60 internally.