Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 9 DHCP Configuration Commands
3Com Corporation
9-39
Example
# Set the domain name of DHCP address pool 0 to mydomain.com.cn.
[3Com] dhcp server ip-pool 0
[3Com-dhcp-0] domain-name mydomain.com.cn
9.2.35 expired
Syntax
expired { day day [ hour hour [ minute minute ] ] | unlimited }
undo expired
View
DHCP address pool 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 expired command to configure a valid period allowed for leasing IP addresses
in a global DHCP address pool.
Use the undo expired command to restore the default setting.
By default, the leasing valid period is one day.
Currently, the leasing valid period specified by this command cannot exceed the year of
2106.
Related command: dhcp server ip-pool, dhcp server expired, and dhcp server
expired interface.
Example
# Set the IP address lease period of global address pool 0 to three minutes, two hours,
and one day.
[3Com] dhcp server ip-pool 0
[3Com-dhcp-0] expired 1 2 3