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- Related Topics
- VRRP Overview
- ip vrrp
- ip vrrp enable
- ip vrrp priority
- ip vrrp timers-learn
- ip vrrp virtual-address

# Configuring VRRP Instances to Match ICR Requirements

Each ICR partition is managed by a unique VRRP instance. You can specify an ICR partition as the master partition by assigning a higher priority. Use the ip vrrp priority command to assign priorities to the ICR partitions.

To configure the VRRP instance to match ICR requirements:

1. Create a VRRP instance by specifying the identification number, and associate an IP address with the identification number.
   host1(config-if)#ip vrrp 1 virtual-address 3.5.1.10
2. Specify the priority of the router. Assign the higher priority to the master ICR partition and a lower priority to the backup ICR partition.
   host1(config-if)#ip vrrp priority 200
3. (Optional) Enable the router to learn the VRRP advertisement interval. Use this only when you plan on upgrading your router by means of a unified in-service software upgrade (ISSU).
   host1(config-if)#ip vrrp 1 timers-learn
4. Enable the VRRP instance.
   host1(config-if)#ip vrrp 1 enable
5. (Optional) Configure additional VRRP instances by completing Steps 1 through 4, using unique numbering.

#### Related Topics

- VRRP Overview
- ip vrrp
- ip vrrp enable
- ip vrrp priority
- ip vrrp timers-learn
- ip vrrp virtual-address

#### Published: 2010-06-30

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