Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 9 DHCP Configuration Commands
3Com Corporation
9-16
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 (in system view), and
expired.
Example
# Set the valid period for leasing IP addresses in the interface address pool maintained
by Ethernet1/0/0 to unlimited.
[3Com] interface ethernet 1/0/0
[3Com-Ethernet 1/0/0] dhcp server expired unlimited
9.2.13 dhcp server expired interface (in System View)
Syntax
dhcp server expired { day day [ hour hour [ minute minute ] ] | unlimited } { interface
interface-type interface-number [ to interface-type interface-number ] | all }
undo dhcp server expired { interface interface-type interface-number [ to
interface-type interface-number ] | all }
View
System 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).
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 interfaces.
Description
Use the dhcp server expired interface command in system view to configure a valid
period allowed for leasing IP addresses in the interface DHCP address pool of the
interfaces in a specified range.
Use the undo dhcp server expired interface command in system view to restore the
default setting.