Cisco Cisco Tunnel Terminating Gateway (TTG)
Session Recovery
How Session Recovery Works ▀
ASR 5000 System Administration Guide, StarOS Release 16 ▄
317
CSCF sessions
ASR 5000 only – eHRPD service (evolved High Rate Packet Data)
ASR 5000 only – ePDG service (evolved Packet Data Gateway)
ASR 5000 only – eWAG service (enhanced Wireless Access Gateway)
GGSN services for IPv4 and PPP PDP contexts
HA services supporting Mobile IP and/or Proxy Mobile IP session types with or without per-user Layer 3 tunnels
ASR 5000 only – HNB-GW: HNB Session over IuH
ASR 5000 only – HNB-GW: HNB-CN Session over IuPS and IuCS
ASR 5000 only – HNB-GW: SeGW Session IPSec Tunnel
ASR 5000 only – HSGW services for IPv4
IPCF (Intelligent Policy Control Function)
ASR 5000 only – IPSG-only systems (IP Services Gateway)
LNS session types (L2TP Network Server)
MME (Mobility Management Entity)
ASR 5000 only – NEMO (Network Mobility )
P-GW services for IPv4
ASR 5000 only – PDG/TTG (Packet Data Gateway/Tunnel Termination Gateway)
ASR 5000 only – PDIF (Packet Data Interworking Function)
PDSN services supporting simple IP, Mobile IP, and Proxy Mobile IP
S-GW (Serving Gateway)
SaMOG (S2a Mobility over GTP) Gateway (CGW and MRME)
ASR 5000 only – SAE-GW (System Architecture Evolution Gateway)
SCM (Service Control Manager)
ASR 5000 only – SGSN services (3G and 2.5G services) for IPv4 and PPP PDP contexts
Session recovery is not supported for the following functions:
Destination-based accounting recovery
GGSN network initiated connections
GGSN session using more than 1 service instance
MIP/L2TP with IPSec integration
MIP session with multiple concurrent bindings
Mobile IP sessions with L2TP
Multiple MIP sessions
Important:
Always refer to the Administration Guides for individual products for other possible session
recovery and Interchassis Session Recovery (ICSR) support limitations.