3Com MSR 50, MSR 30 manual Option, Undo option code, 721

721

Related command: dhcp server ip-pooland dhcp server forbidden-ip.

Example # Specify 192.168.8.0/24 as the address range for dynamic allocation in DHCP address pool 0.

<Sysname> system-view

[Sysname] dhcp server ip-pool 0

[Sysname-dhcp-pool-0] network 192.168.8.0 mask 255.255.255.0

option

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

undo option code

View DHCP address pool view

Parameter code: Self-defined option number, in the range of 2 to 254.

ascii ascii-string: Specifies an ASCII string with 1 to 63 characters.

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

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

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

Use the undo option command 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 will overwrite the previous one.

Related command: dhcp server ip-pool.

Example # 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