About This Manual, Audience | NETGEAR CG814M instruction

Reference Manual for the Model CG814M Wireless Cable Modem Gateway

About This Manual

Thank your for purchasing the NETGEAR™ CG814M Wireless Cable Modem Gateway.

This manual describes the features of the gateway and provides installation and configuration instructions.

Audience

This reference manual assumes that the reader has intermediate to advanced computer and Internet skills. However, basic computer network, Internet, firewall, and VPN technologies tutorial information is provided in the Appendices.

Typographical Conventions

This guide uses the following typographical conventions:

italics	Book titles and UNIX file, command, and directory names.
courier font	Screen text, user-typed command-line entries.
Initial Caps	Menu titles and window and button names.
[Enter]	Named keys in text are shown enclosed in square brackets. The notation
	[Enter] is used for the Enter key and the Return key.
[Ctrl]+C	Two or more keys that must be pressed simultaneously are shown in text
	linked with a plus (+) sign.
ALL CAPS	DOS file and directory names.

About This Manual

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NETGEAR CG814M manual About This Manual, Audience, Typographical Conventions

Contents

NETGEAR, Inc Trademarks World Wide Web Page Contents USB Appendix a Appendix C Contents Contents Typographical Conventions About This ManualAudience Technical Support Special Message Formats Built-in Cable Modem Key FeaturesChapter Introduction About the CG814M Gateway 802.11b Standards-based Wireless Networking Powerful, True FirewallContent Filtering Protocol Support Configurable Auto Uplink Ethernet ConnectionUSB Port Easy Installation and Management Firewall’s Front Panel What’s in the Box? LED Descriptions CG814M Gateway Rear Panel Gateway’s Rear Panel Introduction Computer Requirements Connecting the Gateway to the InternetWhat You Will Need Before You Begin LAN Hardware Requirements Where Do I Get the Internet Configuration Parameters? LAN Configuration RequirementsInternet Configuration Requirements Connecting the Gateway to the Internet Record Your Internet Connection Information Connecting to Your Computer Connecting the CG814M Gateway USB Ethernet Wireless Connecting to your Cable Service Provider Log in to the Gateway Connecting the Power Adapter Login window opens as shown in -3below Connect to the Internet Configuration Connecting the CG814M Gateway to the Internet Connecting the Gateway to the Internet Connecting the Gateway to the Internet Connecting the Gateway to the Internet Security Chapter Wireless ConfigurationConsiderations For a Wireless Network Placement and Range Wireless Settings Restricting Wireless Access by MAC Address Wireless Settings Configuring Wired Equivalent Privacy WEP Wireless Configuration Wireless Configuration Chapter Protecting Your Network Protecting Access to Your CG814M GatewayChanging the Built-In Password Set Password menu Blocking Keywords, Sites, and Services Block Keywords and Domains Click on the Block Sites link of the Content Filtering menu Proxy Blocking Services Cookies Port Blocking Port Blocking menu Port Forwarding To forward inbound traffic Considerations for Port Forwarding Port Triggering To configure Port Triggering Respond to Ping on Internet WAN Port Setting Up a Default DMZ Host Protecting Your Network Network Status Information Chapter Managing Your Network This screen shows the following parameters Viewing Gateway Status Menu 3.2 Router Status Fields Connection screen Connection Status Current System Time Configuring LAN IP SettingsLAN IP Setup Use router as Dhcp server Dhcp Logs menu Viewing and Emailing Logged Information Enabling Logs Event E-mail Notification Erasing Configuration Diagnostics menu Running Diagnostic Utilities Managing Your Network Basic Functions Chapter Troubleshooting Local Link LEDs Not On Power LED Not OnTest LED Stays On Cable Link LED Not On Troubleshooting the Web Configuration Interface Testing the LAN Path to Your Gateway Troubleshooting the ISP ConnectionTroubleshooting a TCP/IP Network Using a Ping Utility Testing the Path from Your PC to a Remote Device Troubleshooting TCP/IP Appendix a Technical Specifications Technical Specifications Related Publications Basic Router Concepts Appendix B Networks, Routing, and Firewall Basics IP Addresses and the Internet What is a Router?Routing Information Protocol Three Main Address Classes Equals Netmask Example of Subnetting a Class B Address Subnet Addressing Netmask Notation Translation Table for One Octet Private IP Addresses Single IP Address Operation Using NAT Single IP Address Operation Using NAT Related Documents MAC Addresses and Address Resolution Protocol Domain Name Server IP Configuration by DhcpInternet Security and Firewalls Stateful Packet Inspection What is a Firewall?Denial of Service Attack Infrastructure Mode Wireless NetworkingWireless Network Configuration Ad-hoc Mode Peer-to-Peer Workgroup Authentication and WEP Encryption Extended Service Set Identification Essid Table B-1 802.11b Radio Frequency Channels Wireless Channel Selection Ethernet Cabling Uplink Switches and Crossover Cables Cable Quality Preparing Your Computers for TCP/IP Networking Appendix C Preparing Your Network Install or Verify Windows Networking Components Configuring Windows 95, 98, and ME for TCP/IP Networking Preparing Your Network Selecting Windows’ Internet Access Method Enabling Dhcp to Automatically Configure TCP/IP Settings Verifying TCP/IP Properties Configuring Windows NT, 2000 or XP for IP Networking MacOS 8.6 or Configuring the Macintosh for TCP/IP Networking MacOS Verifying TCP/IP Properties for Macintosh Computers Verifying the Readiness of Your Internet Account What Is Your Configuration Information? Mail.xxx.yyy.com Preparing Your Network Restarting the Network Glossary Networks See Network Address Translation Connection