# ip rip authentication key

#### Syntax

ip rip authentication key [ 0 | 8 ] authkey

no ip rip authentication key

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Specifies the password for text authentication and the key for MD5 authentication. The no version clears the key for the interface. Supported only in RIP version 2. Authentication is disabled by default.

#### 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 sent with RIP messages or the key used to encrypt/decrypt RIP messages, depending on the authentication mode set for this interface

#### Mode

Interface Configuration, Subinterface Configuration