# ip auto-detect ip-subscriber

#### Syntax

[ no ] ip auto-detect ip-subscriber

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Sets the router's packet detect feature, specifying that IP automatically detect packets that do not match any entries in the demultiplexer table. When an unmatched packet is detected, an event is generated that determines whether to create a dynamic subscriber interface or to configure an existing interface. The no version disables autodetection.

#### Mode

Interface Configuration, Profile Configuration