4 Command Line Interface

vrrp timers advertise

This command sets the interval at which the master virtual router sends advertisements communicating its state as the master. Use the no form to restore the default interval.

Syntax

vrrp group timers advertise interval no vrrp group timers advertise

group - Identifies the VRRP group. (Range: 1-255)

interval - Advertisement interval for the master virtual router. (Range: 1-255 seconds)

Default Setting

1 second

Command Mode

Interface (VLAN)

Command Usage

VRRP advertisements from the current master virtual router include information about its priority and current state as the master.

VRRP advertisements are sent to the multicast address 224.0.0.8. Using a multicast address reduces the amount of traffic that has to processed by network devices that are not part of the designated VRRP group.

If the master router stops sending advertisements, backup routers will bid to become the master router based on priority. The dead interval before attempting to take over as the master is three times the hello interval plus half a second

Example

Console(config-if)#vrrp 1 timers advertise 5

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)

seconds - The time to wait before issuing a claim to become the master. (Range: 0-120 seconds)

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Microsoft ES4625, ES4649 manual Command Line Interface Vrrp timers advertise, Vrrp preempt

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