Dhcp Server Forbidden-Ip - 3Com 7750 Series Command Reference Manual

3Com Switch 7750 Series
Command Reference Guide – DHCP
Parameter
day day: Specifies the number of days. The day argument ranges from 0 to 365.
hour hour: Specifies the number of hours. The hour argument ranges from 0 to 23.
minute minute: Specifies the number of minutes. The minute argument ranges from 0
to 59.
unlimited: Specifies that the lease time is unlimited. (But actually, the system limits the
maximum lease time to about 25 years.)
interface interface-type interface-number [ to interface-type interface-number ]:
Specifies the interface(s), through which you can specify the corresponding interface
address pool(s).
all: Specifies all interface address pools.
Description
Use the dhcp server expired command to configure the lease time of the IP
addresses in the specified interface address pool(s).
Use the undo dhcp server expired command to restore the default lease time.
The default lease time is one day.
Related command: expired.
Example
# Set the lease time of the IP addresses in all interface address pools to be 1 day, 2
hours and 3 minutes.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] dhcp server expired day 1 hour 2 minute 3 all

1.1.8 dhcp server forbidden-ip

Syntax
dhcp server forbidden-ip low-ip-address [ high-ip-address ]
undo dhcp server forbidden-ip low-ip-address [ high-ip-address ]
View
System view
Parameter
low-ip-address: IP address that is not available for being assigned to DHCP clients
automatically (An IP address of this kind is known as a forbidden IP address). This
argument also marks the lower end of the range of the forbidden IP addresses.
Chapter 1 DHCP Server Configuration Commands
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