D-Link DSL-G604T User Manual page 82

Please note that when using the default IP address as in the above example, the first three numbers in
the IP address must always be the same with only the fourth number changing. The first three numbers
define the network IP address (all machines must belong to the same IP network), while the last
number denotes the host IP address (each computer must have a unique address to distinguish it on the
network). The IP address scheme used in Example #1 can be used for any LAN that requires up to 253
separate IP addresses (excluding the Router). Notice that the subnet mask is the same for all machines
and the default gateway address is the LAN IP address of the Router.
It is a good idea to make a note of each device's IP address for reference during troubleshooting or
when adding new stations or devices.
Using DHCP
The second way to use the default settings is to allow the Router to automatically assign IP settings for
workstation using DHCP. To do this, simply make sure your computers' IP addresses are set to 0.0.0.0
(under Windows, choose the option Obtain an IP address automatically in the TCP/IP network
component described above). When the computers are restarted, their IP settings will automatically be
assigned by the Router. The Router is set by default to use DHCP. See the discussion in Chapter 5 for
information on how to use configure the Router for DHCP.
Changing the IP Address of the Router
When planning your LAN IP address setup, you may use any scheme allowed by rules that govern IP
assignment. It may be more convenient or easier to remember an IP scheme that use a different
address for the Router. Or you may be installing the Router on a network that has already established
the IP settings. Changing the IP address is a simple matter and can be done using the web manager
(see LAN IP Address in Chapter 5). If you are incorporating the Router into a LAN with an existing IP
structure, be sure to disable the DHCP function. Also, consider the effects of the NAT function which
is enable by default.
An IP addressing scheme commonly used for Ethernet LANs establishes 10.0.0.1 as the base address
for the network. Using Example #2 below, the Router is assigned the base address 10.0.0.1 and the
remaining addresses are assigned manually or using DHCP.
IP Setup - Example #2
DSL-G604T 54Mbps Wireless ADSL2/2+ Modem/Router Manual
Computer 10.1.1.2
#1
Computer 10.1.1.3
#2
Computer 10.1.1.4
#3
Alternative IP Assignment
Host IP Address
Router 10.0.0.1
Computer 10.0.0.2
#1
255.0.0.0
255.0.0.0
255.0.0.0
Subnet Mask Gateway
255.0.0.0
255.0.0.0
82
10.1.1.1
10.1.1.1
10.1.1.1
IP
10.0.0.1