dhcp relay information remote-id

Use dhcp relay information remote-id to configure the padding mode and padding format for the Remote ID sub-option of Option 82.

Use undo dhcp relay information remote-id to restore the default.

Syntax

dhcp relay information remote-id { normal [ format { ascii | hex } ] | string remote-id | sysname }

undo dhcp relay information remote-id

Default

The padding mode is normal and the padding format is hex.

Views

Interface view

Predefined user roles

network-admin

Parameters

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

format: Specifies the padding format for the Remote ID sub-option. The default padding format is hex.

ascii: Specifies the padding format as ASCII.

hex: Specifies the padding format as hex.

string remote-id: Specifies the string mode that uses a case-sensitive string of 1 to 63 characters as the content of the Remote ID sub-option.

sysname: Specifies the sysname mode that 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 vlan-interface 10
[Sysname-Vlan-interface10] dhcp relay information enable
[Sysname-Vlan-interface10] dhcp relay information strategy replace
[Sysname-Vlan-interface10] dhcp relay information remote-id string device001

Related commands