Command Manual – DHCP
H3C S7500E Series Ethernet Switches Chapter 1 DHCP Server Configuration Commands
1-21
1.1.25 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
Parameters
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-address ip-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 commands: dhcp server ip-pool.
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
1.1.26 reset dhcp server conflict
Syntax
reset dhcp server conflict { all | ip ip-address }
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