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# domain-authentication-key

#### Syntax

domain-authentication-key [ 0 | 8 ] authKey

no domain-authentication-key

#### Release Information

Command introduced before JUNOSe Release 7.1.0.

#### Description

Assigns a password for authentication of IS-IS level 2 LSPs, CSNPs, and PSNPs. The no version deletes the password.

| Note: Issuing this command enables simple authentication of level 2 LSPs only. To enable authentication of level 2 CSNPs or PSNPs, use the domain-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

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