# ip dhcp-external auto-configure

#### Syntax

[ no ] ip dhcp-external auto-configure [ agent-circuit-identifier ]

#### Release Information

Command introduced before JunosE Release 7.1.0.
agent-circuit-identifier keyword added in JunosE Release 7.3.0.

#### Description

Configures the E Series router to automatically create the user's DSI. This command is specific to a virtual router. The no version disables the autoconfigure feature.

#### Options

- agent-circuit-identifier—Creates dynamic subscriber interfaces built over dynamic VLANs that are based on the agent-circuit-id option (suboption 1) of the option 82 field in DHCP messages.

#### Mode

Global Configuration