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Reference Manual for the Model CG814M Wireless Cable Modem Gateway
Connecting the Gateway to the Internet
2-1
Chapter 2
Connecting the Gateway to the Internet
This chapter describes how to set up the CG814M Gateway on your Local Area Network (LAN),
connect to the Internet and perform basic configuration.
What You Will Need Before You Begin
You need to prepare these three things before you can connect your gateway to the Internet:
1.
A computer properly connected to the gateway as explained below.
2.
Active Data Over Cable Internet service provided by cable modem account.
3.
The Internet Service Provider (ISP) configuration information for your cable modem account.
LAN Hardware Requirements
The CG814M Gateway connects to your LAN using either its twisted-pair Ethernet, USB or
802.11b wireless port.
Computer Requirements
To use the CG814M Gateway on your network, each computer must have either an installed
Ethernet Network Interface Card (NIC) , USB Host port or 802.11b wireless adapter. If the
computer will connect to your network at 100 Mbps, you must use a Category 5 (CAT5) cable such
as the one provided with your gateway.
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Page 22 / 102
Reference Manual for the Model CG814M Wireless Cable Modem Gateway
2-2
Connecting the Gateway to the Internet
LAN Configuration Requirements
For the initial connection to the Internet and configuration of your gateway, you will need to
connect a computer to the gateway which is set to automatically get its TCP/IP configuration from
the gateway via DHCP.
Note:
Please refer to
Appendix C, "Preparing Your Network"
for assistance with DHCP
configuration.
Internet Configuration Requirements
Depending on how your ISP set up your Internet account, you will need one or more of these
configuration parameters to connect your gateway to the Internet:
•
Host and Domain Names
•
ISP Domain Name Server (DNS) Addresses
•
Fixed or Static IP Address
If you already have cable Internet service and are replacing a cable modem, you may neeed these
parameters.
•
CG814M Gateway Cable and Device MAC Address, that can be found on the bottom of your
gateway, or on the Basic Settings page.
•
The MAC Address of the PC that you use to access the internet.
Where Do I Get the Internet Configuration Parameters?
There are several ways you can gather the required Internet connection information.
•
Your ISP should have provided you with all the information needed to connect to the Internet.
If you cannot locate this information, you can ask your ISP to provide it or you can try one of
the options below.
•
If you have a computer already connected using the active Internet access account, 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.
•
For Windows 2000/XP, open the Local Area Network Connection, select the TCP/IP entry
for the Ethernet adapter, and click Properties.
•
For Macintosh computers, open the TCP/IP or Network control panel.
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Page 23 / 102
Reference Manual for the Model CG814M Wireless Cable Modem Gateway
Connecting the Gateway to the Internet
2-3
•
You may also refer to the
CG814W
Resource CD
for the NETGEAR Router ISP Guide which
provides Internet connection infromation for many ISPs.
Once you locate your Internet configuration parameters, you may want to record them on the page
below.
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Page 24 / 102
Reference Manual for the Model CG814M Wireless Cable Modem Gateway
2-4
Connecting the Gateway to the Internet
Record Your Internet Connection Information
1.
Print this page. Fill in the configuration parameters from your Internet Service Provider (ISP).
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: ______
. ______
. ______
. ______
Subnet Mask: ______
. ______
. ______
. ______
Gateway IP Address: ______
. ______
. ______
. ______
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
attbi
. If you haven’t 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
, then use
aaa
as your host name.
Your ISP might call this your account, user, host, computer, 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: _______________________
MAC Addresses of CG814M Gateway and PC:
If you have existing cable internet service and are
replacing your cable modem you may need to notify your cable service provider of the MAC
Address (often called Hardware Address) and/or Device Address of your CG814M Gateway. The
Device Address is the equivalent of a PC behind the cable modem, and can be “cloned”. Cloning
allows you to specify the MAC address of the packets the gateway sends to the internet. If you
clone the MAC Address of your PC you will not have to register the Device Address of your
gateway.
Cable Modem MAC (listed on the bottom of your gateway): ______________________________
Device MAC (listed on the bottom of your gateway): ____________________________________
PC MAC Address (listed on the Basic Settings page): ___________________________________
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Page 25 / 102
Reference Manual for the Model CG814M Wireless Cable Modem Gateway
Connecting the Gateway to the Internet
2-5
Connecting the CG814M Gateway
Before using your modem, you need to do the following:
•
Connect to your computer, using either Ethernet, USB or wireless (see
page 2-6
).
•
Connect the line from your cable service provider to the cable port of the gateway (see
page
2-7
).
•
Connect the power adapter (see
page 2-8
).
A typical installation is shown in
Figure 2-1
, below
Figure 2-1:
Typical installation using Ethernet.
Connecting to Your Computer
Your computer will attach to either the Ethernet, USB or wireless ports on the CG814M Gateway.
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