# ip dhcp-local auth user-prefix

#### Syntax

[ no ] ip dhcp-local auth user-prefix userNamePrefix

#### Release Information

Command introduced in JunosE Release 7.1.0.

#### Description

Specifies a user prefix for a username that is locally configured for a DHCP standalone mode client. In DHCP standalone mode, the username is presented to AAA in an authentication request. The no version removes the user prefix.

#### Options

- userNamePrefix—String of 1–32 characters used as the prefix for a locally configured username

#### Mode

Global Configuration