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# address authentication-key

#### Syntax

[ no ] address { ipAddress | unnumbered interfaceType interfaceSpecifier } authentication-key [ 0 | 8 ] authKey

#### Release Information

Command introduced before JUNOSe Release 7.1.0.

#### Description

Assigns a password used by neighboring routers that are using OSPF simple password authentication. The no version deletes the password.

| Note: You must issue the address area command before issuing this command.

#### Options

- ipAddress—OSPF interface address previously specified with the address command
- unnumbered—Indicates that OSPF is running on an unnumbered interface previously specified with the address command
  - interfaceType—Interface type; see Interface Types and Specifiers
  - interfaceSpecifier—Particular interface; format varies according to interface type; see Interface Types and Specifiers
- 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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