Router Redundancy Commands 4

Virtual Router Redundancy Protocol Commands

To configure VRRP, select an interface on one router in the group to serve as the master virtual router. This physical interface is used as the virtual address for the router group. Now set the same virtual address and a priority on the backup routers, and configure an authentication string. You can also enable the preempt feature which allows a router to take over as the master router when it comes on line.

Table 4-112 VRRP Commands

Command

Function

Mode

Page

 

 

 

 

vrrp ip

Enables VRRP and sets the IP address of the virtual router

IC

4-315

 

 

 

 

vrrp authentication key

Configures a key used to authenticate VRRP packets

IC

4-316

 

received from other routers

 

 

vrrp priority

Sets the priority of this router in the VRRP group

IC

4-317

 

 

 

 

vrrp timers advertise

Sets the interval between successive advertisements by

IC

4-318

 

the master virtual router

 

 

vrrp preempt

Configures the router to take over as master virtual router

IC

4-318

 

for a VRRP group if it has a higher priority than the current

 

 

 

master virtual router

 

 

show vrrp

Displays VRRP status information

PE

4-319

 

 

 

 

show vrrp interface

Displays VRRP status information for the specified interface

PE

4-321

 

 

 

 

show vrrp router counters

Displays VRRP statistics

PE

4-322

 

 

 

 

show vrrp interface counters

Displays VRRP statistics for the specified interface

PE

4-322

 

 

 

 

clear vrrp router counters

Clears VRRP router statistics

PE

4-323

 

 

 

 

clear vrrp interface counters

Clears VRRP interface statistics

PE

4-323

 

 

 

 

vrrp ip

This command enables the Virtual Router Redundancy Protocol (VRRP) on an interface and specify the IP address of the virtual router. Use the no form to disable VRRP on an interface and remove the IP address from the virtual router.

Syntax

[no] vrrp group ip ip-address[secondary]

•group - Identifies the virtual router group. (Range: 1-255)

•ip-address- The IP address of the virtual router.

•secondary - Specifies additional secondary IP addresses assigned to the current VLAN interface that are supported by this VRRP group.

Default Setting

No virtual router groups are configured.

Command Mode

Interface (VLAN)

4-315

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Microsoft ES4649, ES4625 manual Virtual Router Redundancy Protocol Commands
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