21
with System Allocated as the default.
l
System Allocated:
The DHCP address pool is based on LAN port IP address plus
12 IP addresses. For example, when the LAN IP address is 10.0.0.2; the DHCP ad-
dress pool the range from 10.0.0.3 to 10.0.0.14.
l
User Defined:
When User Defined is selected, the DHCP address pool starts at the
User Defined Start Address and ends at the User Defined End Address. The maxi-
mum pool size can be 253 IP addresses: 255 total IP addresses - 1 broadcast ad-
dress - 1 LAN port IP address.
User Defined Start Address:
It is the starting IP address of the DHCP pool for User De-
fined DHCP Address Pool Selection.
Range: x.x.x.x, where 0
≤
x
≤
255
Default: 10.0.0.4
User Defined End Address:
It is the last IP address in the DHCP pool for User Defined
DHCP Address Pool Selection.
Range: x.x.x.x, where 0
≤
x
≤
255
Default: 10.0.0.15
DHCP Gateway Selection:
The default setting for the DHCP Gateway Selection is
Automatic
. You can select
User Defined
and specify
User Defined Gateway Address
.
The DHCP server will issue the
User Defined Gateway Address
to the LAN DHCP cli-
ents.
User Defined Gateway Address:
The purpose for the User Defined Gateway Address is
to have two gateway addresses, as the LAN IP Address at the top of the
LAN Configu-
ration
page is also a gateway address.
Lease time:
The Lease time is the amount of time a network user will be allowed to
connect with DHCP server. If all fields are 0, the allocated IP addresses will be effective
forever.
Ranges for Lease Time fields:
Days 0-36500, Hours 0-23, Minutes 0-59, Seconds 0-59,
default value is 1 days 0 hours 0 minutes 0 seconds.
User mode:
Under the
Single User
mode, the DHCP server only allocates one IP ad-
dress to a local PC. Under the
Multiple User
mode (default), the DHCP server allocates
the IP addresses specified by the DHCP address pool.