Cisco Cisco Packet Data Gateway (PDG) Veröffentlichungshinweis
P-GW Changes in Release 15.0
P-GW Enhancements for September 30, 2013 ▀
Cisco ASR 5x00 Release Change Reference ▄
409
New Behavior: If the received TTL is less than 60 seconds and honor-low-ttl is configured, it is now set to the
configured honor-low-ttl value instead of 60.
configured honor-low-ttl value instead of 60.
After processing configured number of FQDNs, remaining would be set to previous default of 60 seconds
P-GW Support for Correction EPDN Sess for UICCless UE
Previous Behavior: Currently, the code assumes that the IMSI information is Mandatory for Trace Activation Support.
Thus, when the UICCless UE is emergency attached or when the IMSI validation fails for the emergency attached UE,
the following procedures are not supported:
Thus, when the UICCless UE is emergency attached or when the IMSI validation fails for the emergency attached UE,
the following procedures are not supported:
Indirect Data Forwarding using non-anchor S-GW
Location Change Reporting (Impacts P-GW)
Inter RAT, S1 based HO cancel
Trace Activation (Impacts P-GW)
New Behavior: For the following messages:
Create Indirect Data Forwarding Tunnel Request
Change Notification Request/Response
Relocation Cancel Request
Trace Session Activation
The following changes are done:
IMSI is marked as Conditional wherever it is currently Mandatory.
IMEI IE is included conditionally for emergency attached UE which is UICCless.
Indication IE is included to indicate if the IMSI is unauthenticated.
Changes are specific to Trace Session Activation extension to support both IMEI and IMSI instead of just IMSI.
P-GW Support for Suspend/Resume Notification and Inter-RAT HO for CS Fallback
Confirmed that P-GW supports Suspend/Resume Notification and Inter-RAT HO for CS Fallback.
PGW Support - S2a PMIPv6 Over IPv4 Transport
Customers will have new option to deploy and plan their network using new transport type.
Important:
This feature is only supported for ASR 5500 platform.
Previous Behavior: S2a interface did not have transport support on IPv4.
New Behavior: This feature has introduced new transport-level support where PMIPv6 packet will be encoded with
IPv6 and IPv4 headers. Packet will be sent on IPv4 transport.
IPv6 and IPv4 headers. Packet will be sent on IPv4 transport.
Report Subscriber Summary per GTP-U Address
This feature helps in OAM to monitor the usage of a particular GTP-U address for different EPC bearers.
Previous Behavior: P-GW was not supporting the CLI to list the number of sessions per GTP-U local addresses in a
gateway.
gateway.