# neighbor password

#### Syntax

neighbor { ipAddress | ipv6Address | peerGroupName } password [ 0 | 8 ] string

no neighbor { ipAddress | ipv6Address | peerGroupName } password

#### Release Information

Command introduced before JunosE Release 7.1.0.
ipv6Address variable added in JunosE Release 8.0.0.

#### Description

Enables MD5 authentication on a TCP connection between two BGP peers. The no version disables MD5 authentication.

#### Options

- ipAddress—IP address of the BGP neighbor
- ipv6Address—IPv6 address of BGP neighbor
- peerGroupName—Name of the BGP peer group to which this neighbor belongs. If you specify a BGP peer group by using the peerGroupName argument, all the members of the peer group inherit the characteristic configured with this command, unless it is overridden for a specific peer.
- 0—Indicates that the MD5 password is entered in unencrypted form (plaintext)
- 8—Indicates that the MD5 password is entered in encrypted form (ciphertext)
- string—MD5 password, an alphanumeric text string of up to 16 characters

#### Mode

Address Family Configuration, Router Configuration