COMMAND LINE INTERFACE

ip rip authentication key

Use this command to enable authentication for RIPv2 packets and to specify the key that must be used on an interface. Use the no form to prevent authentication.

Syntax

ip rip authentication key key-stringno ip rip authentication

key-string- A password used for authentication. (Range: 1-16 characters, case sensitive)

Command Mode

Interface Configuration (VLAN)

Default Setting

No authentication

Command Usage

This command can be used to restrict the interfaces that can exchange RIPv2 routing information. (Note that this command does not apply to RIPv1.)

For authentication to function properly, both the sending and receiving interface must be configured with the same password.

Example

This example sets an authentication password of “small” to verify incoming routing messages and to tag outgoing routing messages.

Console(config)#interface vlan 1

Console(config-if)#ip rip authentication key small

Console(config-if)#

Related Commands

ip rip authentication mode (4-241)

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SMC Networks SMC6724L3 manual Ip rip authentication key, 240, No authentication, Ip rip authentication mode