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

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## Configure VRRP Advertisement Interval

See the first figure in VRRP Topology for the topology in this example. You can configure VRRP master router to send an advertisement packet at regular intervals to convey to the backup routers that the master is alive. By default, this interval is 1 second. You can configure this value in the range 1 to 255. In this example, you set the advertisement interval to 5 seconds on VLAN 2.

1. In both switches, configure the advertisement interval.

       SEFOS# configure terminal
       SEFOS(config)# router vrrp
       SEFOS(config-vrrp)# interface vlan 2
       SEFOS(config-vrrp-if)# vrrp 1 timer 5
       SEFOS(config-vrrp-if)# end

2. View the advertisement timer interval configured in switch 1.

       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 5 secs
       Current priority is 200
       Configured priority is 200, may preempt
       Configured Authentication
       Authentication key is text1
       Accept Mode Disabled

3. View the advertisement timer interval configured in switch 2.

       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 5 secs
       Current priority is 150
       Configured priority is 150, may preempt
       Configured Authentication
       Authentication key is text1
       Accept Mode Disabled

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