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Preparing Your Network to Work with a Router
C-1
Appendix C
Preparing Your Network to Work with a Router
This appendix describes how to prepare your network to connect to the Internet through a router
and how to verify the readiness of your broadband Internet service from an Internet service
provider (ISP).
What You Need To Use a Router with a Broadband Modem
You need to prepare these three things before you begin:
Cabling and Computer Hardware
To use the router on your network, each computer must have an 802.11g or 802.11b wireless
adapter or an installed Ethernet Network Interface Card (NIC) and an Ethernet cable. If the
computer will connect to your network using an Ethernet NIC at 100 Mbps, you must use a
Category 5 (Cat 5) cable such as the one provided with your router. The cable or DSL broadband
modem must provide a standard 10 Mbps (10BASE-T) or 100 Mbps (100BASE-Tx) Ethernet
interface.
Computer Network Configuration Requirements
The router includes a built-in Web Configuration Manager. To access the configuration menus on
the router, your must use a Java-enabled Web browser program that supports HTTP uploads such
as Microsoft Internet Explorer or Netscape Navigator. Use Internet Explorer or Netscape
Navigator 4.0 or above.
Note:
If your computer was configured during the installation of a broadband modem, or
using instructions provided by your ISP, you may need to copy the ISP configuration
information for use in the configuration of your router. Write down this information
before reconfiguring your computers. Refer to
“Obtaining ISP Configuration
Information for Windows Computers” on page C-19
or
“Obtaining ISP Configuration
Information for Macintosh Computers” on page C-20
for further information.
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Reference Manual for the Wireless Cable Modem Gateway CG814WG v2
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Preparing Your Network to Work with a Router
For the initial setup of your router, you will need to connect a computer to the router. This
computer has to be set to automatically get its TCP/IP configuration from the router via DHCP.
Note:
For help with DHCP configuration, please use the
Windows TCP/IP Configuration Tutorials
on the Resource CD.
Internet Configuration Requirements
Depending on how your Internet service set up your account, you may need one or more of these
configuration parameters to connect your router to the Internet:
Host and Domain Names
ISP Login Name and Password
ISP Domain Name Server (DNS) Addresses
Fixed IP Address, which is also known as the Static IP Address
Where Do I Get the Internet Configuration Parameters?
There are several ways you can gather the required Internet connection information:
Your Internet service provides all the information needed to connect to the Internet. If you
cannot locate this information, you can ask your Internet service provider to provide it or you
can try one of the options below.
If you have a computer already connected to the Internet, you can gather the configuration
information from that computer.
For Windows 95/98/ME, open the Network control panel, select the TCP/IP entry for the
Ethernet adapter, and click Properties. Record all the settings for each tab page.
For Windows 2000/XP, open the Local Area Network Connection, select the TCP/IP entry
for the Ethernet adapter, and click Properties. Record all the settings for each tab page.
For Macintosh computers, record the settings in the TCP/IP or Network control panel.
You may also refer to the Resource CD or the
NETGEAR Router ISP Guide
, which provides
Internet connection information for many ISPs.
Once you locate your Internet configuration parameters, you may want to record them on the page
below.
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Record Your Internet Connection Information
Print this page. Fill in the configuration parameters from your Internet Service Provider (ISP).
ISP Login Name:
The login name and password are case sensitive and must be entered exactly as
given by your ISP. Some ISPs use your full e-mail address as the login name. The Service Name is
not required by all ISPs. If you connect using a login name and password, enter the following:
Login Name: ______________________________
Password: ____________________________
Service Name: _____________________________
Fixed or Static IP Address:
If you have a static IP address, record the following information. For
example, 169.254.141.148 could be a valid IP address.
Fixed or Static Internet IP Address: ______
______
______
______
Gateway IP Address: ______
______
______
______
Subnet Mask: ______
______
______
______
ISP DNS Server Addresses:
If you were given DNS server addresses, fill in the following:
Primary DNS Server IP Address: ______
______
______
______
Secondary DNS Server IP Address: ______
______
______
______
Host and Domain Names:
Some ISPs use a specific host or domain name like
CCA7324-A
or
home
. If you have not been given host or domain names, you can use the following examples as a
guide:
If your main e-mail account with your ISP is [email protected], then use aaa as your host
name. Your ISP might call this your account, user, host, or system name.
If your ISP’s mail server is mail.xxx.yyy.com, then use xxx.yyy.com as the domain name.
ISP Host Name: _________________________
ISP Domain Name: _______________________
For Wireless Access:
See the configuration worksheet in the
Resource Manual
for your
NETGEAR wireless equipment.
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Preparing Your Network to Work with a Router
Preparing Your Computers for TCP/IP Networking
Computers access the Internet using a protocol called TCP/IP (Transmission Control Protocol/
Internet Protocol). Each computer on your network must have TCP/IP installed and selected as its
networking protocol. If a Network Interface Card (NIC) is already installed in your computer, then
TCP/IP is probably already installed as well.
Most operating systems include the software components you need for networking with TCP/IP:
Windows
®
95 or later includes the software components for establishing a TCP/IP network.
Windows 3.1 does not include a TCP/IP component. You need to purchase a third-party TCP/
IP application package such as NetManage Chameleon.
Macintosh Operating System 7 or later includes the software components for establishing a
TCP/IP network.
All versions of UNIX or Linux include TCP/IP components. Follow the instructions provided
with your operating system or networking software to install TCP/IP on your computer.
In your IP network, each computer and the router must be assigned unique IP addresses. Each
computer must also have certain other IP configuration information such as a subnet mask
(netmask), a domain name server (DNS) address, and a default gateway address. 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 router is shipped preconfigured as a DHCP server. The router assigns the following TCP/IP
configuration information automatically when the computers are rebooted.
These addresses are part of the IETF-designated private address range for use in private networks.
TCP/IP Configuration
Current NETGEAR Standard
Previous NETGEAR Standard
Computer or workstation
IP Address
192.168.1.2 through
192.168.1.254
192.168.0.2 through
192.168.0.254
Subnet mask
255.255.255.0
255.255.255.0
Gateway address for router
192.168.1.1 default address
192.168.0.1 default address
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Configuring Windows 95, 98, and Me for TCP/IP Networking
As part of the computer preparation process, you need to manually install and configure TCP/IP on
each networked computer. Before starting, locate your Windows CD; you may need to insert it
during the TCP/IP installation process.
Installing or Verifying 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 and displays a list
of installed components.
3.
Make sure that the following components are
installed:
Client for Microsoft Networks
Ethernet Adapter
TCP/IP
4.
The Primary Network Logon should be set to
Client for Microsoft Networks.
5.
If any of these items needs to be installed,
follow the steps below.
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 the Client for Microsoft Networks.
Installing a New Adapter
If you need to install a new adapter, follow these steps:
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.

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