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Setup
13
LAN Screen
Use the LAN link on the main menu to reach the LAN screen. An example screen is
shown below.
Figure 6: LAN Screen
Data - LAN Screen
TCP/IP
IP Address
IP address for the ADSL Wireless Firewall Router, as seen from
the local LAN. Use the default value unless the address is al-
ready in use or your LAN is using a different IP address range. In
the latter case, enter an unused IP Address from within the
range used by your LAN.
Subnet Mask
The default value 255.255.255.0 is standard for small (class "C")
networks. For other networks, use the Subnet Mask for the LAN
segment to which the ADSL Wireless Firewall Router is attached
(the same value as the PCs on that LAN segment).
DHCP Server
• If Enabled, the ADSL Wireless Firewall Router will allocate
IP Addresses to PCs (DHCP clients) on your LAN when they
start up. The default (and recommended) value is Enabled.
• If you are already using a DHCP Server, this setting must be
Disabled, and the existing DHCP server must be re-
configured to treat the ADSL Wireless Firewall Router as the
default Gateway. See the following section for further details.
• The Start IP Address and Finish IP Address fields set the
values used by the DHCP server when allocating IP Ad-
dresses to DHCP clients. This range also determines the
number of DHCP clients supported.
See the following section for further details on using DHCP.
DHCP
What DHCP Does
A DHCP (Dynamic Host Configuration Protocol) Server allocates a valid IP address to
a DHCP Client (PC or device) upon request.
• The client request is made when the client device starts up (boots).
• The DHCP Server provides the Gateway and DNS addresses to the client, as well
as allocating an IP Address.