Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 9 DHCP Configuration Commands
3Com Corporation
9-24
ip-address ip-address: IP address.
interface-type interface-number [ to interface-type interface-number ]: Indicates an
interface or all interfaces from the first specified interface to the second. Note that the
interfaces must be Ethernet interfaces (or subinterfaces) or virtual Ethernet interfaces.
all: All the interfaces.
Description
Use the dhcp server option command in system view to configure a DHCP
self-defined option for the interfaces in a specified range.
Use the undo dhcp server option command in system view to delete the
configuration.
After you configure this command, you cannot view the configuration by executing the
display current-configuration command. By calling the dhcp server option
cyclically, you can fulfill the batch configurations of the command.
Related command: dhcp server option (in interface view) and option.
Example
# Define the hexadecimal strings of the option code 100 to 0x11 and 0x22 for the
interface DHCP address pool of the interfaces in the range of Ethernet2/0/0.1 to
Ethernet2/0/0.5.
[3Com] dhcp server option 100 hex 11 22 interface ethernet 2/0/0.1 to ethernet
2/0/0.5
9.2.22 dhcp server ping
Syntax
dhcp server ping { packets number | timeout milliseconds }
undo dhcp server ping { packets | timeout }
View
System view
Parameter
packets number: The maximum number of ping packets allowed to be sent, which is in
the range of 0 to 10 and defaults to 2, with 0 indicating that no ping operation will be
performed.
timeout milliseconds: The longest time period that the DHCP server waits for the
response to each ping packet, which is in the range of 0 to 10000 milliseconds and
defaults to 500 milliseconds.