Configuring VRRP and VRRPE
December 2005 © Foundry Networks, Inc. 22 - 31
Router1(config)# interface ethernet 5/1
Router1(config-if-5/1)# ip vrrp-extended vrid 2
Router1(config-if-5/1-vrid-1)# backup priority 110 track-priority 20
Router1(config-if-5/1-vrid-1)# track-port ethernet 2/4
Router1(config-if-5/1-vrid-1)# ip-address 192.53.5.253
Router1(config-if-5/1-vrid-1)# activate
VRRP router 2 for this interface is activating
The backup command specifies that this router is a VRRPE Backup for virtual router VRID1. The IP address
entered with the ip-address command is the same IP address as the one entered when configuring Router1. In
this case, the IP address cannot also exist on Router2, but the interface on which you are configuring the VRID
Backup must have an IP address in the same sub-net. By entering the same IP address as the one associated
with this VRID on the Owner, you are configuring the Backup to back up the address, but you are not duplicating
the address.
NOTE: When you configure a Backup router, the router interface on which you are configuring the VRID must
have a real IP address that is in the same sub-net as the address associated with the VRID by the Owner.
However, the address cannot be the same.
The priority parameter establishes the router’s VRRPE priority in relation to the other VRRPE router(s) in this
virtual router. The track-priority parameter specifies the new VRRPE priority that the router receives for this
VRID if the interface goes down. See “Track Ports and Track Priority” on page 22-5.
The activate command activates the VRID configuration on this interface. The interface does not provide backup
service for the virtual IP address until you activate the VRRPE configuration. Alternatively, you can use the
enable command. The activate and enable commands do the same thing.
Syntax: router vrrp-extended
Syntax: ip vrrp-extended vrid <vrid>
Syntax: backup [priority <value>] [track-priority <value>]
Syntax: track-port ethernet [<slotnum>/]<portnum> | ve <num>
Syntax: ip-address <ip-addr>
Syntax: activate
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