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Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
Advanced Configuration
6-11
202-10090-01, April 2005
Using LAN IP Setup Options
The LAN IP Setup feature is under the Advanced heading of the main menu. This feature allows
configuration of LAN IP services such as DHCP and RIP. From the Main Menu of the browser
interface, under Advanced, click on LAN IP Setup to view the LAN IP Setup menu, shown below.
Figure 6-5:
LAN IP Setup Menu
The router is shipped preconfigured to use private IP addresses on the LAN side, and to act as a
DHCP server. The router’s default LAN IP configuration is:
LAN IP address—192.168.1.1
Subnet mask—255.255.255.0
These addresses are part of the IETF-designated private address range for use in private networks,
and should be suitable in most applications. If your network has a requirement to use a different IP
addressing scheme, you can make those changes in this menu.
The LAN IP parameters are:
IP Address
This is the LAN IP address of the router.
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IP Subnet Mask
This is the LAN Subnet Mask of the router. Combined with the IP address, the IP Subnet Mask
allows a device to know which other addresses are local to it, and which must be reached
through a gateway or router.
RIP Direction
RIP (Router Information Protocol) allows a router to exchange routing information with other
routers. The RIP Direction selection controls how the router sends and receives RIP packets.
None is the default.
When set to Both or Out Only, the router will broadcast its routing table periodically.
When set to Both or In Only, it will incorporate the RIP information that it receives.
When set to None (default), it will not send any RIP packets and will ignore any RIP
packets received.
RIP Version
This controls the format and the broadcasting method of the RIP packets that the router sends.
(It recognizes both formats when receiving.) By default, it is disabled.
RIP-1 is universally supported. RIP-1 is probably adequate for most networks, unless you
have an unusual network setup.
RIP-2 carries more information. RIP-2B uses subnet broadcasting.
Using the Router as a DHCP server
By default, the router will function as a DHCP (Dynamic Host Configuration Protocol) server,
allowing it to assign IP, DNS server, and default gateway addresses to all computers connected to
the router's LAN. The assigned default gateway address is the LAN address of the router. IP
addresses will be assigned to the attached PCs from a pool of addresses specified in this menu.
Each pool address is tested before it is assigned to avoid duplicate addresses on the LAN.
For most applications, the default DHCP and TCP/IP settings of the router are satisfactory. See
“IP
Configuration by DHCP
” on
page B-10
for an explanation of DHCP and information about how to
assign IP addresses for your network.
Note:
If you change the LAN IP address of the router while connected through the
browser, you will be disconnected. You need run
ipconfig /release
and
ipconfig /renew
commands on your PC to reconnect to the router. You may need to restart your computer
for the new IP address setting to take effect.
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Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
Advanced Configuration
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If another device on your network will be the DHCP server, or if you will manually configure the
network settings of all of your computers, clear the ‘Use router as DHCP server’ check box.
Otherwise, leave it checked.
Specify the pool of IP addresses to be assigned by setting the Starting IP Address and Ending IP
Address. These addresses should be part of the same IP address subnet as the router’s LAN IP
address. Using the default addressing scheme, you should define a range between 192.168.1.2 and
192.168.1.253, although you may wish to save part of the range for devices with fixed addresses.
The router will deliver the following parameters to any LAN device that requests DHCP:
An IP Address from the range you have defined
Subnet Mask
Gateway IP Address (the router’s LAN IP address)
Primary DNS Server (if you entered a Primary DNS address in the Basic Settings menu;
otherwise, the router’s LAN IP address)
Secondary DNS Server (if you entered a Secondary DNS address in the Basic Settings menu
Using Address Reservation
When you specify a reserved IP address for a PC on the LAN, that PC will always receive the
same IP address each time it access the router’s DHCP server. Reserved IP addresses should be
assigned to servers that require permanent IP settings.
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To reserve an IP address:
1.
Click the Add button.
Figure 6-6:
Address Reservation screen
2.
In the IP Address box, type the IP address to assign to the PC or server.
(choose an IP address from the router’s LAN subnet, such as 192.168.1.X)
3.
Type the MAC Address of the PC or server.
(Tip: If the PC is already present on your network, you can copy its MAC address from the
Attached Devices menu and paste it here.)
4.
Click Apply to enter the reserved address into the table.
Note: The reserved address will not be assigned until the next time the PC contacts the router's
DHCP server. Reboot the PC or access its IP configuration and force a DHCP release and renew.
To edit or delete a reserved address entry:
1.
Click the button next to the reserved address you want to edit or delete.
2.
Click Edit or Delete.
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Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
Advanced Configuration
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How to Configure Static Routes
Static Routes provide additional routing information to your router. Under normal circumstances,
the router has adequate routing information after it has been configured for Internet access, and
you do not need to configure additional static routes. You must configure static routes only for
unusual cases such as multiple routers or multiple IP subnets located on your network.
From the Main Menu of the browser interface, under Advanced, click on Static Routes to view the
Static Route menu, shown below.
Figure 6-7.
Static Route Summary Table
To add or edit a Static Route:
1.
Click the Add button to open the Add/Edit Menu, shown below.
Figure 6-8.
Static Route Entry and Edit Menu
2.
Type a route name for this static route in the Route Name box under the table.
(This is for identification purpose only.)

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