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Reference Manual for the Model DM602 ADSL Modem
3-2
Preparing Your Computer
In most cases, you should install TCP/IP so that the computer obtains its specific network
configuration information automatically from a DHCP server during bootup.
The DM602 modem is shipped preconfigured as a DHCP server. The modem assigns the
following TCP/IP configuration information for one computer only automatically when your
computer is rebooted:
Computer IP addresses—192.168.0.2
Subnet mask—255.255.255.0
Gateway address (the modem)—192.168.0.1
Configuring Windows 95, 98, and ME for TCP/IP Networking
As part of the PC preparation process, if TCP/IP is not already installed, you need to manually
install and configure TCP/IP on your computer. Before starting, locate your Windows CD; you
may need to insert it during the TCP/IP installation process.
Install or Verify Windows Networking Components
To install or verify the necessary components for IP networking:
1.
On the Windows taskbar, click the Start button, point to Settings, and then click Control Panel.
2.
Double-click the Network icon.
The Network window opens, which displays a list of installed components:
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Reference Manual for the Model DM602 ADSL Modem
Preparing Your Computer
3-3
You must have an Ethernet adapter, the TCP/IP protocol, and Client for Microsoft Networks.
If you need the adapter:
a.
Click the Add button.
b.
Select Adapter, and then click Add.
c.
Select the manufacturer and model of your Ethernet adapter, and then click OK.
If you need TCP/IP:
a.
Click the Add button.
b.
Select Protocol, and then click Add.
c.
Select Microsoft.
d.
Select TCP/IP, and then click OK.
If you need Client for Microsoft Networks:
Note:
It is not necessary to remove any other network components shown in the
Network window in order to install the adapter, TCP/IP, or Client for Microsoft
Networks.
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Reference Manual for the Model DM602 ADSL Modem
3-4
Preparing Your Computer
a.
Click the Add button.
b.
Select Client, and then click Add.
c.
Select Microsoft.
d.
Select Client for Microsoft Networks, and then click OK.
3.
Restart your PC for the changes to take effect.
Enabling DHCP to Automatically Configure TCP/IP Settings
After the TCP/IP protocol components are installed, the PC must be assigned specific information
about itself and resources that are available on its network. The simplest way to configure this
information is to allow the computer to obtain the information from the internal DHCP server of
the DM602 modem. To use DHCP with the recommended default addresses, follow these steps:
1.
Connect the PC to the modem, then restart the modem.
2.
On the PC, open the Network control panel (refer to the previous section) and select the
Configuration tab.
3.
From the components list, select TCP/IP->(your Ethernet adapter) and click Properties.
4.
In the IP Address tab, select “Obtain an IP address automatically”.
5.
Select the Gateway tab.
6.
If any gateways are shown, remove them.
7.
Click OK.
8.
Restart the PC.
Selecting Windows’ Internet Access Method
To select Windows’ LAN Internet access method, follow these steps:
1.
On the Windows taskbar, click the Start button, point to Settings, and then click Control Panel.
2.
Double-click the Internet Options icon.
3.
Select “I want to set up my Internet connection manually” or “I want to connect through a
Local Area Network” and click Next.
4.
Select “I want to connect through a Local Area Network” and click Next.
5.
Uncheck all boxes in the LAN Internet Configuration screen and click Next.
6.
Proceed to the end of the Wizard.
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Reference Manual for the Model DM602 ADSL Modem
Preparing Your Computer
3-5
Verifying TCP/IP Properties (Windows)
After your PC is configured and has rebooted, you can check the TCP/IP configuration using the
utility
winipcfg.exe
:
1.
On the Windows taskbar, click the Start button, and then click Run.
2.
Type
winipcfg
, and then click OK.
The IP Configuration window opens, which lists (among other things), your IP address, subnet
mask, and default gateway.
3.
From the drop-down box, select your Ethernet adapter.
The window is updated to show your settings, which should match the values below if you are
using the default TCP/IP settings that NETGEAR recommends:
IP addresses—192.168.0.2 through 192.168.0.253
The subnet mask is 255.255.255.0
The default gateway is 192.168.0.1
Configuring Windows NT or 2000 for TCP/IP Networking
As part of the PC preparation process, you need to assure TCP/IP is installed and configured on the
PC. Before starting, locate your Windows CD which you may need to insert during the TCP/IP
installation process.
Install or Verify Windows Networking Components
To install or verify the necessary components for IP networking:
1.
On the Windows taskbar, click the Start button, point to Settings, and then click Control Panel.
2.
Double-click the Network and Dialup Connections icon.
3.
If an Ethernet adapter is present in your PC, you should see an entry for Local Area
Connection. Double-click that entry.
4.
Select Properties.
5.
Verify that ‘Client for Microsoft Networks’ and ‘Internet Protocol (TCP/IP)’ are present. If
not, select Install and add them.
6.
Select ‘Internet Protocol (TCP/IP)’, click Properties, and verify that “Obtain an IP address
automatically is selected.
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Reference Manual for the Model DM602 ADSL Modem
3-6
Preparing Your Computer
7.
Click OK and close all Network and Dialup Connections windows.
8.
Make sure your PC is connected to the modem, then reboot your PC.
Verifying TCP/IP Properties
To check your PC’s TCP/IP configuration:
1.
On the Windows taskbar, click the Start button, and then click Run.
The Run window opens.
2.
Type
cmd
and then click OK.
A command window opens
3.
Type
ipconfig /all
Your IP Configuration information will be listed, and should match the values below if you are
using the default TCP/IP settings that NETGEAR recommends:
IP addresses—192.168.0.2 through 192.168.0.253
The subnet mask is 255.255.255.0
The default gateway is 192.168.0.1
4.
Type
exit
Configuring A Macintosh for TCP/IP Networking
Beginning with Macintosh Operating System 7, TCP/IP is already installed on the Macintosh. On
the Macintosh, you will need to configure TCP/IP to use DHCP.
Configuring MacOS 8.6 or 9.x for TCP/IP Networking
1.
From the Apple menu, select Control Panels, then TCP/IP.

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