4000 Router Series Layer 3 - IP Services Command Reference

Parameters

normal: Specifies the normal mode in which the padding content is the MAC address of the receiving

interface.

format: Specifies the code type for the remote ID sub-option. The default code type is hex.

ascii: Specifies the ASCII code type.

hex: Specifies the Hex code type.

string remote-id: Specifies a case-sensitive string of 1 to 63 characters as the content of the remote ID

sub-option.

sysname: Uses the device name as the content of the remote ID sub-option. You can set the device name

by using the sysname command.

Usage guidelines

The padding format for the specified character string (string) or the device name (sysname) is always

ASCII. The padding format for the normal mode is determined by the command.

If you use the command multiple times, the most recent configuration takes effect.

Examples

# Specify the padding content for the remote ID sub-option of Option 82 as device001.

<Sysname> system-view

[Sysname] interface ethernet 1/1

[Sysname-Ethernet1/1] dhcp relay information enable

[Sysname-Ethernet1/1] dhcp relay information strategy replace

[Sysname-Ethernet1/1] dhcp relay information remote-id string device001

Related commands

• dhcp relay information enable

• dhcp relay information strategy

• display dhcp relay information

dhcp relay information strategy

Use dhcp relay information strategy to configure the strategy for the DHCP relay agent to handle

messages containing Option 82.

Use undo dhcp relay information strategy to restore the default handling strategy.

Syntax

dhcp relay information strategy { drop | keep | replace }

undo dhcp relay information strategy

Default

The handling strategy for messages that contain Option 82 is replace.

Views

Interface view

Predefined user roles

network-admin