NETGEAR CG814WG manual NETGEAR, Inc

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Hardware Manual for the Model CG814WG Wireless Cable Modem Gateway

NETGEAR, Inc.

4500 Great America Parkway

Santa Clara, CA 95054 USA

Phone 1-888-NETGEAR

SM-CG814WGNA-Comcast-0

October 2003

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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 Chapter Hardware Overview Powerful, True FirewallAbout the CG814WG Built-in Cable ModemConfigurable Auto Uplink Ethernet Connection 802.11g Standards-based Wireless NetworkingUSB Port Easy Installation and ManagementProtocol Support Hardware Overview Gateway’s Front Panel What’s in the Box?USB CG814WG Rear Panel Gateway’s Rear PanelHardware Overview Preparing Your Computers for TCP/IP Networking Chapter Preparing Your NetworkInstall or Verify Windows Networking Components Configuring Windows 98 SE and Me for TCP/IP NetworkingPreparing Your Network Locate your Network Neighborhood icon Enabling DhcpPrimary Network Logon is set to Windows logon Verifying TCP/IP Properties Selecting Windows’ Internet Access MethodConfiguring Windows 2000 or XP for TCP/IP Networking Dhcp Configuration of TCP/IP in Windows XP Dhcp Configuration of TCP/IP in Windows XP orPreparing Your Network TCP/IP details are presented on Support tab Verify that the Obtain an IP address Dhcp Configuration of TCP/IP in WindowsPreparing 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 Select the Gateway tab Obtaining ISP Configuration Information from Your ComputerRestarting the Network Preparing Your Network Basic Functions Appendix a TroubleshootingTest LED Stays On Power LED Not OnLocal Link LEDs Not On Troubleshooting a TCP/IP Network Using a Ping Utility Troubleshooting the ISP ConnectionTesting the LAN Path to Your Gateway 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 For Windows XP Users Installing a CG814WG Basic Installation InstructionsInstall the CG814WG Wireless Cable Modem Gateway Configure your CG814WG Verify wireless connectivity to your network Interpreting the LED on the CG814WG Wireless Connection IndicatorsColor Condition Description Interpreting System Tray Icon ColorsBasic Troubleshooting Tips Related Publications Basic Router Concepts Appendix D Networks, Routing, and Firewall BasicsRouting Information Protocol What is a Router?IP Addresses and the Internet Figure D-1 Three Main Address Classes Equals NetmaskFigure D-2 Example of Subnetting a Class B Address Subnet AddressingTable D-1. Netmask Notation Translation Table for One Octet Single IP Address Operation Using NAT Figure D-3 Single IP Address Operation Using NAT MAC Addresses and Address Resolution ProtocolDomain Name Server Related DocumentsWhat is a Firewall? IP Configuration by DhcpInternet Security and Firewalls Ethernet Cabling Uplink Switches and Crossover CablesStateful Packet Inspection Cable Quality