NETGEAR CG814WG manual Obtaining ISP Configuration Information from Your Computer

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Hardware Manual for the Model CG814WG Wireless Cable Modem Gateway

An IP address and subnet mask

A gateway IP address, which is the address of the ISP’s router

One or more domain name server (DNS) IP addresses

Host name and domain suffix

For example, your account’s full server names may look like this:

mail.xxx.yyy.com

In this example, the domain suffix is xxx.yyy.com.

If any of these items are dynamically supplied by the ISP, your gateway automatically acquires them.

If an ISP technician configured your PC during the installation of the broadband modem, or if you configured it using instructions provided by your ISP, you need to copy the configuration information from your PC’s Network TCP/IP Properties window or Macintosh TCP/IP Control Panel before reconfiguring your PC for use with the gateway. These procedures are described next.

Obtaining ISP Configuration Information from Your Computer

As mentioned above, you may need to collect configuration information from your PC so that you can use this information when you configure the CG814WG Gateway. Following this procedure is only necessary when your ISP does not dynamically supply the account information.

To get the information you need to configure the gateway for Internet access:

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.

3.Select TCP/IP, and then click Properties. The TCP/IP Properties dialog box opens.

4.Select the IP Address tab.

If an IP address and subnet mask are shown, write down the information. If an address is present, your account uses a fixed (static) IP address. If no address is present, your account uses a dynamically-assigned IP address. Click “Obtain an IP address automatically”.

5.Select the Gateway tab.

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Preparing Your Network

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Contents NETGEAR, Inc Trademarks Voluntary Control Council for Interference Vcci Statement Page Contents Appendix B Contents Vii Viii Contents Audience About This ManualTypographical Conventions Special Message Formats About the CG814WG Powerful, True FirewallChapter Hardware Overview Built-in Cable Modem802.11g Standards-based Wireless Networking Configurable Auto Uplink Ethernet ConnectionUSB Port Easy Installation and ManagementProtocol Support Hardware Overview What’s in the Box? Gateway’s Front PanelUSB Gateway’s Rear Panel CG814WG Rear PanelHardware Overview Chapter Preparing Your Network Preparing Your Computers for TCP/IP NetworkingConfiguring Windows 98 SE and Me for TCP/IP Networking Install or Verify Windows Networking ComponentsPreparing Your Network Enabling Dhcp Locate your Network Neighborhood iconPrimary Network Logon is set to Windows logon Selecting Windows’ Internet Access Method Verifying TCP/IP PropertiesConfiguring Windows 2000 or XP for TCP/IP Networking Dhcp Configuration of TCP/IP in Windows XP or Dhcp Configuration of TCP/IP in Windows XPPreparing Your Network TCP/IP details are presented on Support tab Dhcp Configuration of TCP/IP in Windows Verify that the Obtain an IP addressPreparing Your Network Obtain an IP address automatically is selected Verifying TCP/IP Properties for Windows XP What Is Your Configuration Information? Are Login Protocols Used?Verifying the Readiness of Your Internet Account Obtaining ISP Configuration Information from Your Computer Select the Gateway tabRestarting the Network Preparing Your Network Appendix a Troubleshooting Basic FunctionsTest LED Stays On Power LED Not OnLocal Link LEDs Not On Testing the LAN Path to Your Gateway Troubleshooting the ISP ConnectionTroubleshooting a TCP/IP Network Using a Ping Utility Cable Link LED Not OnTesting the Path from Your PC to a Remote Device Erasing the Current/Restoring the Factory Configuration Troubleshooting Appendix B Glossary Internet, which are published as RFCs Request for Comment at Information, a block of data, and a checksum Glossary What You Will Need Before You Begin Appendix C Configuring Wireless Security in Windows XPObserve Location and Range Guidelines Two Basic Operating Modes CG814WG Default Wireless Configuration Settings Basic Installation Instructions For Windows XP Users Installing a CG814WGInstall the CG814WG Wireless Cable Modem Gateway Configure your CG814WG Verify wireless connectivity to your network Wireless Connection Indicators Interpreting the LED on the CG814WGInterpreting System Tray Icon Colors Color Condition DescriptionBasic Troubleshooting Tips Appendix D Networks, Routing, and Firewall Basics Related Publications Basic Router ConceptsRouting Information Protocol What is a Router?IP Addresses and the Internet Figure D-1 Three Main Address Classes Netmask EqualsSubnet Addressing Figure D-2 Example of Subnetting a Class B AddressTable D-1. Netmask Notation Translation Table for One Octet Single IP Address Operation Using NAT MAC Addresses and Address Resolution Protocol Figure D-3 Single IP Address Operation Using NATRelated Documents Domain Name ServerWhat is a Firewall? IP Configuration by DhcpInternet Security and Firewalls Ethernet Cabling Uplink Switches and Crossover CablesStateful Packet Inspection Cable Quality