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3Com Switch 7750 Series
Command Reference Guide – DHCP Chapter 1 DHCP Server Configuration Commands
1-12
View
System view/VLAN interface view
Parameter
code: Customized option number ranging from 2 to 254. Note that this argument
cannot be 3, 6, 15, 44, 46, 50 through 55, 57 through 59.
ascii ascii-string: Specifies a string that is of 1 to 63 characters. Note that each
character of the string must be an ASCII character.
hex hex-string&<1-10>: Specifies strings, a hexadecimal number of 1 to 8 digits.
&<1-10> means you can provide up to 10 such strings. When inputting more than one
string, separate two neighboring strings with a space.
ip-address ip-address&<1-8>: Specifies IP addresses. &<1-8> means you can
provide up to eight IP addresses. When inputting more than one IP address, separate
two neighboring IP addresses with a space.
interface interface-type interface-number [ to interface-type interface-number ]:
Specifies the interface(s), through which you can specify the corresponding interface
address pools.
all: Specifies all interface address pools.
Description
Use the dhcp server option command to customize DHCP options for the specified
DHCP interface address pool(s).
Use the undo dhcp server option command to remove the customized DHCP
options.
If you execute the dhcp server option command repeatedly, the new configuration
overwrites the previous one.
Related command: option.
Example
# Configure option 100 to be 0x11 and 0x22 for all DHCP interface address pools.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] dhcp server option 100 hex 11 22 all
1.1.13 dhcp server ping
Syntax
dhcp server ping { packets number | timeout milliseconds }
undo dhcp server ping { packets | timeout }