Chapter 31
| VRRP Commands
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Command Mode
Interface (VLAN)
Command Usage
â—† The interfaces of all routers participating in a virtual router group must be
within the same IP subnet.
â—† If the IP address assigned to the virtual router with this command is already
configured as the primary address on this interface, this router is considered
the Owner, and will assume the role of the Master virtual router in the group.
â—† This interface is used for two purposes - to send/receive advertisement
messages and to forward on behalf of the virtual router when operating as the
Master VRRP router.
â—† VRRP is enabled as soon as this command is entered. If you need to customize
any of the other parameters for VRRP such as authentication, priority, or
advertisement interval, then first configure these parameters before enabling
VRRP.
Example
This example creates VRRP group 1 using the primary interface for VLAN 1 as the
VRRP group Owner.
Console(config)#interface vlan 1
Console(config-if)#vrrp 1 ip 192.168.1.6
Console(config-if)#
vrrp preempt This command configures the router to take over as the master virtual router for a
VRRP group if it has a higher priority than the current acting master router. Use the
no form to disable preemption.
Syntax
vrrp group preempt [delay seconds]
no vrrp group preempt
group - Identifies the VRRP group. (Range: 1-255)
The maximum number or groups which can be defined is 64.
seconds - The time to wait before issuing a claim to become the master.
(Range: 0-120 seconds)
Default Setting
Preempt: Enabled
Delay: 0 seconds
Command Mode
Interface (VLAN)
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