option

Syntax

option code { ascii ascii-string | hex hex-string&<1-16> | ip-address ip-address&<1-8> }

undo option code

View

DHCP address pool view

Default level

2: System level

Parameters

code: Self-defined option number, in the range of 2 to 254, excluding 12, 50 to 55, 57 to 61, and 82.

ascii ascii-string: Specifies an ASCII string with 1 to 255 characters.

hex hex-string&<1-16>: Specifies hex digit strings. &<1-16> indicates that you can specify up to 16 hex digit strings, separated by spaces. Each string contains 2, 4, 6 or 8 hex digits.

ip-address ip-address&<1-8>: Specifies IP addresses. &<1-8> indicates that you can specify up to eight IP addresses, separated by spaces.

Description

Use option to configure a self-defined DHCP option in a DHCP address pool.

Use undo option to remove a self-defined DHCP option from a DHCP address pool.

The option command is not configured by default.

If you use the option command repeatedly, the latest configuration overwrites the previous one.

Related commands: dhcp server ip-pool and display dhcp server tree.

Examples

# Configure the hex digits 0x11 and 0x22 for the self-defined DHCP Option 100 in DHCP address pool 0.

<Sysname> system-view
[Sysname] dhcp server ip-pool 0
[Sysname-dhcp-pool-0] option 100 hex 11 22