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| Sun Ethernet Fabric Operating System ### VRRP Administration Guide

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## Configure Additional Associated IP Addresses to a VRRP Instance

A VRRP instance can be associated with more than one IP address. When the router becomes master for an instance, then it replies to the ARP request(s) for all the associated IP addresses.

See the first figure in VRRP Topology for the topology used in this example.

1. In both switches, configure additional associated IP addresses to a VRRP instance.
   1. Enter Global Configuration mode.

          SEFOS# configure terminal

   2. Enable VRRP and enter VRRP Configuration mode.

          SEFOS(config)# router vrrp

   3. Select an interface to configure VRRP and enter Interface Configuration mode.

          SEFOS(config-vrrp)# interface vlan 2

   4. Create a VRRP instance and specify a virtual IP address to configure.

          SEFOS(config-vrrp-if)# vrrp 1 ipv4 12.0.0.5

   5. Add an additional associated IP address 12.0.0.6 to the VRRP instance.

          SEFOS(config-vrrp-if)# vrrp 1 ipv4 12.0.0.6 secondary

   6. Exit Interface Configuration mode.

          SEFOS(config-vrrp-if)# end

2. View the VRRP associated IP addresses in switch 1.

       SEFOS# show  vrrp interface vlan 2 detail
       vlan2  - vrID 1
       ---------------
       State is Backup
       Virtual IP address is 12.0.0.5
       Virtual MAC address is 00:00:5e:00:01:01
       Master router is 12.0.0.5
       Associated IpAddresses :
       ----------------------
       12.0.0.5
       12.0.0.6
       Advertise time is 1 secs
       Current priority is 100
       Configured priority is 100, may preempt
       Accept Mode Disabled

3. View the VRRP associated IP addresses in switch 2.

       SEFOS# show vrrp interface vlan 2 detail
       vlan2  - vrID 1
       ---------------
       State is Master
       Virtual IP address is 12.0.0.5
       Virtual MAC address is 00:00:5e:00:01:01
       Master router is 12.0.0.5
       Associated IpAddresses :
       ----------------------
       12.0.0.5
       12.0.0.6
       Advertise time is 1 secs
       Current priority is 100
       Configured priority is 100, may preempt
       Accept Mode Disabled

   Maximum number of associated IP addresses per instance is 10.

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