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Configuring VRRP Instances to Match ICR Requirements
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Copyright © 2010, Juniper Networks, Inc.
Assign a VLAN ID for the subinterface. The router configures the subinterface whether
4.
or not the subinterface is part of the ICR partition. Use the icr-control-interface
keyword to specify that an ICR partition can be configured on the the subinterface.
host1(config-if)#vlan id 10 1 icr-control-interface
Assign an IP address to the VLAN subinterface.
5.
host1(config-if)#ip address 3.5.1.1/24
Configuring VRRP Instances to Match ICR Requirements on page 177
Monitoring the Configuration of an ICR Partition Attached to an Interface on page 183
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:
Create a VRRP instance by specifying the identification number, and associate an IP
1.
address with the identification number.
host1(config-if)#ip vrrp 1 virtual-address 3.5.1.10
Specify the priority of the router. Assign the higher priority to the master ICR partition
2.
and a lower priority to the backup ICR partition.
host1(config-if)#ip vrrp priority 200
(Optional) Enable the router to learn the VRRP advertisement interval. Use this only
3.
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
Enable the VRRP instance.
4.
host1(config-if)#ip vrrp 1 enable
(Optional) Configure additional VRRP instances by completing Steps 1 through 4,
5.
using unique numbering.
VRRP Overview on page 149
ip vrrp
ip vrrp enable
ip vrrp priority
ip vrrp timers-learn
ip vrrp virtual-address
Chapter 7: Managing Interchassis Redundancy
177
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