6 dhcp relay information policy – CANOGA PERKINS CanogaOS Command Reference User Manual

Page 818

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CanogaOS Command Line Reference

Revision 1.02

Proprietary & Confidential Canoga Pertkins Metro Ethernet Switches

Page 818 of 855


Command Syntax

dhcp relay information option
no dhcp relay information option

Default

The DHCP server does not insert relay information.


Command Mode

Global configuration


Usage

This command enables a DHCP server to identify the user (for example, cable access router) sending
the request and initiate appropriate action based on this information. By default, DHCP does not insert
relay information.
The dhcp relay information option command automatically adds the circuit identifier suboption and
the remote ID suboption to the DHCP relay agent information option (also called option 82).


Examples

The following is sample output from the dhcp relay information option command:
Switch(config)# dhcp relay information option


Related Commands

dhcp relay information check
dhcp relay information policy

42.6 dhcp relay information policy

To configure the information reforwarding policy for a Dynamic Host Configuration Protocol (DHCP)
relay agent (what a relay agent should do if a message already contains relay information), use the
dhcp relay information policy command in global configuration . To restore the default relay
information policy, use the no form of this command.


Command Syntax

dhcp relay information policy {drop | keep | replace}
no dhcp relay information policy

drop

Directs the DHCP relay agent to discard messages with existing relay information if
the relay information option is already present.

keep

Indicates that existing information is left unchanged on the DHCP relay agent.

replace

Indicates that existing information is overwritten on the DHCP relay agent.

Default

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