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client-discover-match (DHCP Local Server)

 

Syntax

Hierarchy Level

Release Information

Statement introduced in Junos OS Release 9.4.

incoming-interface option added in Junos OS Release 13.3.

Description

Configure the match criteria DHCP local server uses to uniquely identify DHCP subscribers or clients when primary identification fails. The options are mutually exclusive.

Default

By default, DHCP uses the option60-and-option82 option.

Options

incoming-interface(Optional) Allow only one client device to connect on the interface. If the client device changes, the router deletes the existing client binding and creates a binding for the newly connected device.
Note

The overrides client-discover-match incoming-interface configuration deletes and replaces the existing binding when a new device connects. This action differs from the overrides interface-client-limit 1 statement, which retains the existing binding and rejects the newly connected client.

option60-and-option82(Optional) Use option 60 and option 82 information to identify subscribers.

Required Privilege Level

system—To view this statement in the configuration.

system-control—To add this statement to the configuration.