Cisco Cisco Packet Data Gateway (PDG)

Contents ▀

ASR 5500 System Administration Guide, StarOS Release 16 ▄

Applying an ACL to Service-specified Default Subscribers (Optional) ........................................ 288

Applying an ACL to Multiple Subscribers via APNs (Optional) ........................................................ 288

Session Recovery ........................................................................................... 289

How Session Recovery Works ............................................................................................................. 290

Additional ASR 5x00 Hardware Requirements .................................................................................... 292

Configuring the System to Support Session Recovery ........................................................................ 293

Enabling Session Recovery ............................................................................................................. 293

Enabling Session Recovery on an Out-of-Service System ......................................................... 293

Enabling Session Recovery on an In-Service System ................................................................ 294

Disabling the Session Recovery Feature ......................................................................................... 295

Viewing Session Recovery Status ................................................................................................... 295

Viewing Recovered Session Information ......................................................................................... 296

Recovery Control Task Statistics ......................................................................................................... 298

show rct stats Command .................................................................................................................. 298

Sample Output for show rct stats verbose ....................................................................................... 298

Interchassis Session Recovery ..................................................................... 301

Overview ............................................................................................................................................... 302

Interchassis Communication ............................................................................................................ 302

Checkpoint Messages ...................................................................................................................... 303

AAA Monitor ..................................................................................................................................... 303

BGP Interaction ................................................................................................................................ 303

Requirements ................................................................................................................................... 303

ICSR Operation .................................................................................................................................... 305

Chassis Initialization ......................................................................................................................... 308

Chassis Operation ............................................................................................................................ 308

Chassis Communication .............................................................................................................. 308

Chassis Switchover ...................................................................................................................... 308

Configuring Interchassis Session Recovery (ICSR) ............................................................................. 309

Configuring the Service Redundancy Protocol (SRP) Context ........................................................ 309

Creating and Binding the SRP Context ....................................................................................... 310

Configuring the SRP Context Parameters ................................................................................... 310

Configuring the SRP Context Interface Parameters .................................................................... 311

Verifying SRP Configuration ........................................................................................................ 312

Modifying the Source Context for ICSR ........................................................................................... 312

Configuring BGP Router and Gateway Address ......................................................................... 313

Configuring the SRP Context for BGP ......................................................................................... 313

Verifying BGP Configuration ........................................................................................................ 314

Modifying the Destination Context for ICSR .................................................................................... 314

Configuring BGP Router and Gateway Address in Destination Context ..................................... 314

Configuring SRP Context for BGP for Destination Context ......................................................... 315

Setting Subscriber to Default Mode ............................................................................................. 315

Verifying BGP Configuration in Destination Context ................................................................... 315

Disabling Bulk Statistics Collection on a Standby System ............................................................... 315

Verifying the Primary and Backup Chassis Configuration ............................................................... 316

Configuring Subscriber State Management Audit Process .............................................................. 316

Updating the Operating System ........................................................................................................... 317

Both ICSR Chassis ........................................................................................................................... 322

Downloading and Transferring the StarOS Build ......................................................................... 322

Standby Backup Chassis ................................................................................................................. 322

Performing Health Checks ........................................................................................................... 322

Performing SRP Checks .............................................................................................................. 323

Performing BGP Checks .............................................................................................................. 323

Updating the Boot Record............................................................................................................ 323