# login authentication

#### Syntax

login authentication authListName

no login authentication

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Applies an AAA authentication list to the vty sessions that you specified for AAA authentication. The no version removes all authentication methods, which means the router accepts Telnet sessions without challenge.

#### Options

- authListName—Authentication list name of up to 32 characters

#### Mode

Line Configuration