# area-authentication-key

#### Syntax

area-authentication-key [ 0 | 8 ] authKey

no area-authentication-key

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Assigns a password used by neighboring routers for authentication of IS-IS level 1 LSPs, CSNPs, and PSNPs. The no version deletes the password.

| Note: Issuing this command enables simple authentication of level 1 LSPs only. To enable authentication of level 1 CSNPs or PSNPs, use the area-authentication command.

#### Options

- 0—Indicates the authKey is entered in unencrypted form (plaintext); this is the default option
- 8—Indicates the authKey is entered in encrypted form (ciphertext)
- authKey—Password, string of up to 8 characters

#### Mode

Router Configuration