Concept Guide

area-password

Congure a hash message authentication code (HMAC) password for an area.

Syntax

area-password [hmac-md5 | encryption-type] password

To delete a password, use the no area-password command.

Parameters

hmac-md5 (OPTIONAL) Enter the keywords hmac-md5 to encrypt the password.

encryption-type (OPTIONAL) Enter 7 to encrypt the password using DES.

password Enter a 1 to 16-character length alphanumeric string to prevent unauthorized access or

incorrect routing information corrupting the link state database. The password is

processed as plain text, which only provides limited security.

Defaults Not congured.

Command Modes ROUTER ISIS

Supported Modes Full–Switch

Command History

Version Description

9.9(0.0) Introduced on the FN IOM.

9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.

Usage Information

To prevent the link state database from receiving incorrect routing information from unauthorized routers, use the

area-password command on routers within an area.

The congured password injects into Level 1 LSPs, CSNPs, and PSNPs.

Related Commands

• domain-password — allows you to set the authentication password for a routing domain.

• isis password — allows you to congure an authentication password for an interface.

clear cong

Clear IS-IS congurations that display under the router isis heading of the show running-config command output.