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  Interchassis Session Recovery 
ICSR Configuration  ▀   
 
VPC-VSM System Administration Guide, StarOS Release 19  ▄  
 
   
263 
Verify the Primary and Backup Configurations 
Enter the Exec mode show configuration command on both VPC-VSM instances. Verify that both instances have the 
same SRP configuration information.  
Configure the Subscriber State Management Audit Process 
This audit ensures that two ICSR peers are synchronized and identifies any discrepancies prior to any scheduled or 
unscheduled switchover events. 
Step 1 
Enter the SRP Context mode and enter the service-redundancy-protocol command. 
Step 2 
Enter the audit daily-start-time command. Specify the daily start time as an hour and minute. For example, a start time 
of 06 00 indicates that the audit will begin at 6:00 AM. 
Step 3 
Enter the audit periodicity command. Specify the interval in minutes for generating SRP audit statistics as an integer 
from 60 through 1440. For example, a periodicity of 90 indicates that SRP audit statistics will be generated every 90 
minutes beginning at the specified start time. Default = 60. 
A sample configuration sequence appears below. 
config 
  context srp 
    service-redundancy-protocol 
      audit daily-start-time 06 00 
      audit periodicity 90 
      end 
Save the Configuration 
Save your configuration as described in the Verifying and Saving Your Configuration chapter. 
Additional Configuration Requirements 
When using StarOS ICSR to support a high availability (HA) configuration for a Security Gateway, there are several 
tasks that must completed using IOS-XP via the ASR 9000 RP. For detailed instructions and sample configurations with 
ICSR utilized within and across ASR 9000 chassis and VSMs, see the Reverse Route Insertion (RRI) chapter of the 
Security Gateway Administration Guide