Vrrp authentication

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)#

Use this command to specify 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.

•When a VRRP packet is received from another router in the group, its authentication key is compared to the string configured on this router. If the keys match, the message is accepted. Otherwise, the packet is discarded.

•Plain text authentication does not provide any real security. It is supported only to prevent a misconfigured router from participating in VRRP.

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SMC8612XL3 F 1.0.1.3 specifications

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SMC Networks SMC8612XL3 F 1.0.1.3 manual Vrrp authentication, No key is defined

Models: SMC8612XL3 F 1.0.1.3