Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 9 DHCP Configuration Commands
3Com Corporation
9-15
Description
Use the dhcp server domain-name interface command in system view to configure
the domain name that the DHCP address pool of the interfaces in a specified range
allocates to DHCP clients.
Use the undo dhcp server domain-name interface command in system view to
delete the configured domain name.
By default, no domain name is configured for clients.
After configuring this command, you cannot view the configuration of this command by
executing the display current-configuration command. By executing the dhcp
server domain-name command respectively on the specified interfaces, you can fulfill
the batch configurations of the command.
Related command: dhcp server ip-pool.
Example
# Configure eth2_1_5.com.cn as the domain name in the interface DHCP address pool
of the interfaces Ethernet2/0/0.1 through Ethernet2/0/0.5.
[3Com] dhcp server domain-name eth1_0_0.com.cn interface ethernet 2/0/0.1 to
ethernet 2/0/0.5
9.2.12 dhcp server expired (in Interface View)
Syntax
dhcp server expired { day day [ hour hour [ minute minute ] ] | unlimited }
undo dhcp server expired
View
Ethernet interface (or subinterface) view
Parameter
day day: Number of days in the range of 0 to 365.
hour hour: Number of hours in the range of 0 to 23.
minute minute: Number of hours in the range of 0 to 59.
unlimited: The valid period is unlimited (currently, it is 25 years for the system).
Description
Use the dhcp server expired command in interface view to configure a valid period
allowed for leasing IP addresses in the current interface DHCP address pool.
Use the undo dhcp server expired command in interface view to restore the default
setting.