4 Command Line Interface

Command Usage

The interfaces of all routers participating in a virtual router group must be within the same IP subnet.

The IP address assigned to the virtual router must already be configured on the router that will be the Owner. In other words, the IP address specified in this command must already exist on one, and only one, router in the virtual router group, and the network mask for the virtual router address is derived from the Owner. The Owner will also assume the role of the Master virtual router in the group.

If you have multiple secondary addresses configured on the current VLAN interface, you can use this command with the secondary keyword to add any secondary address that will be supported by the virtual router.

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, and also adds a secondary interface as a member of the group.

Console(config)#interface vlan 1

Console(config-if)#vrrp 1 ip 192.168.1.6

Console(config-if)#vrrp 1 ip 192.168.2.6 secondary

Console(config-if)#

vrrp authentication

This command specifies the key used to authenticate VRRP packets received from other routers. Use the no form to prevent authentication.

Syntax

vrrp group authentication key no vrrp group authentication

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

key - Authentication string. (Range: 1-8 alphanumeric characters)

Default Setting

No key is defined.

Command Mode

Interface (VLAN)

Command Usage

All routers in the same VRRP group must be configured with the same authentication key.

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Microsoft ES4625, ES4649 manual Command Line Interface

ES4649, ES4625 specifications

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