Foundry Configuration Guide for the FESX, FSX, and FWSX
22 - 12
© Foundry Networks, Inc.
December 2005
Configuring a Backup
Router2(config)# router vrrp
Router2(config)# inter e 1/5
Router2(config-if-1/5)# ip address 192.53.5.3
Router2(config-if-1/5)# ip vrrp vrid 1
Router2(config-if-1/5-vrid-1)# backup
Router2(config-if-1/5-vrid-1)# ip-address 192.53.5.1
Router2(config-if-1/5-vrid-1)# activate
Configuration Rules for VRRP
•
The interfaces of all routers in a VRID must be in the same IP sub-net.
•
The IP address(es) associated with the VRID must already be configured on the router that will be the Owner
router.
•
An IP address(es) associated with the VRID must be on only one router.
•
The Hello interval must be set to the same value on both the Owner and Backup(s) for the VRID.
•
The Dead interval must be set to the same value on both the Owner and Backup(s) for the VRID.
•
The track priority on a router must be lower than the router’s VRRP priority. Also, the track priority on the
Owner must be higher than the track priority on the Backup(s).
Configuring Basic VRRPE Parameters
To implement a simple VRRPE configuration using all the default values, enter commands such as the following
on each Layer 3 Switch.
Router2(config)# router vrrp-extended
Router2(config)# inter e 1/5
Router2(config-if-1/5)# ip address 192.53.5.3
Router2(config-if-1/5)# ip vrrp-extended vrid 1
Router2(config-if-1/5-vrid-1)# backup
Router2(config-if-1/5-vrid-1)# ip-address 192.53.5.254
Router2(config-if-1/5-vrid-1)# activate
NOTE:
You also can use the
enable
command to activate the configuration. This command does the same thing
as the
activate
command.
Configuration Rules for VRRPE
•
The interfaces of all routers in a VRID must be in the same IP sub-net.
•
The IP address(es) associated with the VRID cannot be configured on any of the Layer 3 Switches.
•
The Hello interval must be set to the same value on all the Layer 3 Switches.
•
The Dead interval must be set to the same value on all the Layer 3 Switches.
•
The track priority for a VRID must be lower than the VRRPE priority.
Note Regarding Disabling VRRP or VRRPE
If you disable VRRP or VRRPE, the Layer 3 Switch removes all the configuration information for the disabled
protocol from the running-config. Moreover, when you save the configuration to the startup-config file after
disabling one of these protocols, all the configuration information for the disabled protocol is removed from the
startup-config file.
Содержание FastIron Edge Switch X424
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