Cisco ASR 5000 series Product Overview page 9

RADIUS VLAN Support ................................................................................................................................. 306
Routing Protocol Support ................................................................................................................................ 307
Support of Charging Characteristics Provided by AAA Server ....................................................................... 308
Support of all GGSN generated causes for partial G-CDR closure ................................................................. 309
Threshold Crossing Alerts (TCA) Support ...................................................................................................... 309
Features and Functionality - Optional Enhanced Feature Software ..................................................................... 311
Common Gateway Access Support ................................................................................................................. 311
Converged DSL Support on the GGSN ........................................................................................................... 312
Dynamic RADIUS Extensions (Change of Authorization) ............................................................................. 312
GRE Protocol Interface Support ...................................................................................................................... 313
Gx Interface Support ....................................................................................................................................... 314
Inter-Chassis Session Recovery ....................................................................................................................... 315
IP Security (IPSec) .......................................................................................................................................... 317
IPv6 Support .................................................................................................................................................... 318
L2TP LAC Support ......................................................................................................................................... 319
L2TP LNS Support .......................................................................................................................................... 320
Lawful Intercept .............................................................................................................................................. 320
Mobile IP Home and Foreign Agents .............................................................................................................. 321
Mobile IP NAT Traversal ................................................................................................................................ 322
Multimedia Broadcast Multicast Services Support .......................................................................................... 323
Overcharging Protection on Loss of Coverage ................................................................................................ 323
Proxy Mobile IP............................................................................................................................................... 324
Session Persistence .......................................................................................................................................... 324
Session Recovery Support ............................................................................................................................... 325
Traffic Policing and Rate Limiting .................................................................................................................. 326
Web Element Management System ................................................................................................................. 327
How GGSN Works ............................................................................................................................................... 329
PDP Context Processing .................................................................................................................................. 329
Dynamic IP Address Assignment .................................................................................................................... 330
Subscriber Session Call Flows ......................................................................................................................... 331
Transparent Session IP Call Flow ............................................................................................................... 332
Non-Transparent IP Session Call Flow ....................................................................................................... 333
Network-Initiated Session Call Flow .......................................................................................................... 336
PPP Direct Access Call Flow ...................................................................................................................... 337
Virtual Dialup Access Call Flow ................................................................................................................ 339
Corporate IP VPN Connectivity Call Flow ................................................................................................. 341
Mobile IP Call Flow ................................................................................................................................... 343
Proxy Mobile IP Call Flows ....................................................................................................................... 346
IPv6 Stateless Address Autoconfiguration Flows ....................................................................................... 349
Supported Standards ............................................................................................................................................. 351
3GPP References ............................................................................................................................................. 351
IETF References .............................................................................................................................................. 352
Object Management Group (OMG) Standards ................................................................................................ 355
HA Overview .................................................................................................... 357
Product Specifications .......................................................................................................................................... 358
Hardware Requirements .................................................................................................................................. 358
Platforms ..................................................................................................................................................... 358
Components ................................................................................................................................................ 358
Operating System Requirements ..................................................................................................................... 359
Supported Standards ............................................................................................................................................. 360
Requests for Comments (RFCs) ...................................................................................................................... 360
Network Deployment Configurations .................................................................................................................. 364
Standalone PDSN/FA and HA Deployments .................................................................................................. 364
Interface Descriptions ................................................................................................................................. 364
Co-Located Deployments ................................................................................................................................ 365
OL-22938-02
Cisco ASR 5000 Series Product Overview ▄
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