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Configuring VRRP and VRRPE
December 2005
© Foundry Networks, Inc.
22 - 15
NOTE:
The IP address(es) you associate with the Owner must be a real IP address (or addresses) on the
interface on which you configure the VRID.
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.
To configure Router1 as a VRRP VRID’s Owner, enter the following commands:
Router1(config)# inter e 1/6
Router1(config-if-1/6)# ip vrrp vrid 1
Router1(config-if-1/6-vrid-1)# owner
To configure Router2 as a VRRP Backup for the same VRID, enter the following commands:
Router2(config)# inter e 1/5
Router2(config-if-1/5)# ip vrrp vrid 1
Router2(config-if-1/5-vrid-1)# backup
To configure a VRRPE interface as a Backup for a VRID and set its VRRPE priority and track priority, enter
commands such as the following:
FastIron SuperX Router(config)# inter e 1/1
FastIron SuperX Switch(config-if-1/1)# ip vrrp-extended vrid 1
FastIron SuperX Switch(config-if-1/1-vrid-1)# backup priority 50 track-priority 10
VRRP Syntax
Syntax:
owner [track-priority <value>]
The
track-priority
<value> parameter changes the track-port priority for this interface and VRID from the default
(2) to a value from 1 – 254.
Syntax:
backup [priority <value>] [track-priority <value>]
The
priority
<value> parameter specifies the VRRP priority for this interface and VRID. You can specify a value
from 3 – 254. The default is 100.
The
track-priority
<value> parameter is the same as above.
NOTE:
You cannot set the priority of a VRRP Owner. The Owner’s priority is always 255.
VRRPE Syntax
Syntax:
backup [priority <value>] [track-priority <value>]
The software requires you to identify a VRRPE interface as a Backup for its VRID before you can activate the
interface for the VRID. However, after you configure the VRID, you can use this command to change its priority or
track priority. The parameter values are the same as for VRRP.
Suppression of RIP Advertisements on Backup Routers for the Backup Up Interface
Normally, a VRRP or VRRPE Backup includes route information for the virtual IP address (the backed up
interface) in RIP advertisements. As a result, other routers receive multiple paths for the backed up interface and
might sometimes unsuccessfully use the path to the Backup rather than the path to the Master.
You can prevent the Backups from advertising route information for the backed up interface by enabling
suppression of the advertisements.
To suppress RIP advertisements for the backed up interface in Router2, enter the following commands:
Router2(config)# router rip
Router2(config-rip-router)# use-vrrp-path
Syntax:
use-vrrp-path
Summary of Contents for FastIron Edge Switch X424
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