Cisco Cisco Packet Data Interworking Function (PDIF)
Interchassis Session Recovery
ICSR Configuration ▀
VPC-VSM System Administration Guide, StarOS Release 19 ▄
255
ICSR Configuration
Important:
The StarOS ICSR configuration must be identical on the primary and backup VPC-VSM instances. If
each instance has a different SRP configuration, the session recovery feature does not function and sessions cannot be
recovered when the active instance goes out of service.
recovered when the active instance goes out of service.
This section describes how to configure basic ICSR on each VPC-VSM instance. For information on commands that
configure additional parameters and options, refer to the Command Line Interface Reference.
configure additional parameters and options, refer to the Command Line Interface Reference.
The procedures described below assume the following:
VPC-VSM has been installed and configured as a StarOS VM with core network services on each VSM CPU.
For more configuration information and instructions on configuring services, refer to the Reverse Route
Injection (RRI) chapter of the Security Gateway Administration Guide.
Injection (RRI) chapter of the Security Gateway Administration Guide.
In addition, the IP address pools must be srp activated.
AAA server is installed, configured and accessible by both VSMs.
For more information on configuring the AAA server, refer to the AAA Interface Administration and
Reference.
Reference.
HSRP is configured via the ASR 9000 RP using IOS-XR commands. See the Reverse Route Injection (RRI)
chapter of the Security Gateway Administration Guide for more information on configuring HSRP and SecGW
high availability.
high availability.
To configure the ICSR on a primary and/or backup VPC-VSM instance:
Step 1
Step 2
Configure ICSR and OneP/ConnectedApps interfaces by applying the examples in
Step 3
Configure the subscriber to default mode by applying the example in
Step 4
Optional: Disable bulk statistics collection on the standby instance by applying the example configuration in
Step 5
Step 6
Configure the periodic audit process by following the procedure in
Step 7
Save your configuration as described in the Verifying and Saving Your Configuration chapter.
Configure the SRP Context
To configure the system to work with ICSR:
Step 1
Create the SRP context and bind it to the IP address of the primary VPC-VSM instance by applying the example
configuration in
configuration in