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NETGEAR manual Reference Manual for the Model CG814M Wireless Cable Modem Gateway

Models: CG814M

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Reference Manual for the Model CG814M Wireless Cable Modem Gateway

Reference Manual for the Model CG814M Wireless Cable Modem Gateway

NETGEAR, Inc.

4500 Great America Parkway

Santa Clara, CA 95054 USA

Phone 1-888-NETGEAR

SM-CG814MNA-0

September 2002

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NETGEAR manual Reference Manual for the Model CG814M Wireless Cable Modem Gateway, NETGEAR, Inc

Contents

NETGEAR, Inc Reference Manual for the Model CG814M Wireless Cable Modem GatewayStatement of Conditions TrademarksEN 55 022 Declaration of Conformance Certificate of the Manufacturer/Importer Bestätigung des Herstellers/ImporteursVoluntary Control Council for Interference VCCI Statement Customer SupportPage Connecting the Gateway to the Internet ContentsChapter ChapterWireless Configuration Connecting the CG814M GatewayConsiderations For A Wireless Network Wireless SettingsTechnical Specifications TroubleshootingChapter Appendix APreparing Your Network Appendix CRestarting the Network ContentsGlossary Contents Audience About This ManualTypographical Conventions Technical Support Special Message FormatsChapter Introduction Key FeaturesAbout the CG814M Gateway Built-in Cable ModemContent Filtering A Powerful, True Firewall802.11b Standards-based Wireless Networking USB Port Configurable Auto Uplink Ethernet ConnectionProtocol Support Easy Installation and Management The Firewall’s Front Panel What’s in the Box?LED Descriptions Reference Manual for the Model CG814M Wireless Cable Modem GatewayIntroduction LabelThe Gateway’s Rear Panel Introduction Reference Manual for the Model CG814M Wireless Cable Modem GatewayWhat You Will Need Before You Begin Chapter 2 Connecting the Gateway to the InternetLAN Hardware Requirements Computer RequirementsInternet Configuration Requirements LAN Configuration RequirementsWhere Do I Get the Internet Configuration Parameters? You may also refer to the CG814W Resource CD for the NETGEAR Router ISP Guide which provides Internet connection infromation for many ISPs Record Your Internet Connection Information Connecting to Your Computer Connecting the CG814M GatewayEthernet Wireless Connecting to your Cable Service ProviderLog in to the Gateway Connecting the Power AdapterA login window opens as shown in Figure 2-3 below Figure 2-4 Connection page 4. Connect to the InternetConfiguration Connecting the CG814M Gateway to the Internet2. Enter your Host Name and Domain Name Reference Manual for the Model CG814M Wireless Cable Modem Gateway 6. Click Apply to save your settingsConnecting the Gateway to the Internet 5. Firewall ProtectionConnecting the Gateway to the Internet Reference Manual for the Model CG814M Wireless Cable Modem Gateway2-14 Considerations For A Wireless Network Chapter Wireless ConfigurationSecurity Placement and Range Wireless SettingsRestricting Wireless Access by MAC Address Wireless SettingsConfiguring Wired Equivalent Privacy WEP Be sure to click Apply to save your settings in this menu Wireless Configuration Reference Manual for the Model CG814M Wireless Cable Modem GatewayChanging the Built-In Password Protecting Access to Your CG814M GatewayChapter Protecting Your Network Blocking Keywords, Sites, and Services Block Keywords and Domains Reference Manual for the Model CG814M Wireless Cable Modem Gateway 1. Click on the Block Sites link of the Content Filtering menuFigure 4-3 Block Sites menu Protecting Your NetworkProxy Blocking ServicesCookies Port BlockingJava Applets ActiveXPort Forwarding To forward inbound traffic Considerations for Port Forwarding Port Triggeringchanged Respond to Ping on Internet WAN Port Setting Up A Default DMZ Host4-12 Reference Manual for the Model CG814M Wireless Cable Modem GatewayProtecting Your Network Network Status Information Chapter Managing Your NetworkReference Manual for the Model CG814M Wireless Cable Modem Gateway Viewing Gateway StatusFigure 5-1 Gateway Status screen Menu 3.2 - Router Status FieldsMenu 3.2 - Router Status Fields Reference Manual for the Model CG814M Wireless Cable Modem GatewayManaging Your Network CM CertificateConnection Status LAN IP Setup Configuring LAN IP SettingsCurrent System Time Use router as DHCP server DHCPViewing and Emailing Logged Information Enabling Logs Event E-mail Notification Erasing ConfigurationRunning Diagnostic Utilities 5-10 Reference Manual for the Model CG814M Wireless Cable Modem GatewayManaging Your Network Go to “Troubleshooting the Web Configuration Interface“ on page Chapter TroubleshootingGo to “Erasing Configuration“ on page Basic FunctionsTest LED Stays On Power LED Not OnLocal Link LEDs Not On Cable Link LED Not On Troubleshooting the Web Configuration InterfaceTroubleshooting a TCP/IP Network Using a Ping Utility Troubleshooting the ISP ConnectionTesting the LAN Path to Your Gateway Testing the Path from Your PC to a Remote Device Check that your Cable Link LED is on Appendix A Technical Specifications DOCSIS 1.0, upgradeable to DOCSIS 802.11b Wireless Access PointReference Manual for the Model CG814M Wireless Cable Modem Gateway Technical SpecificationsRelated Publications Appendix B Networks, Routing, and Firewall BasicsBasic Router Concepts Routing Information Protocol What is a Router?IP Addresses and the Internet The five address classes are Class A Netmask Figure 6-2 Example of Subnetting a Class B Address Subnet AddressingTable 6-2. Netmask Formats Table 6-1. Netmask Notation Translation Table for One OctetNumber of Bits Dotted-Decimal ValuePrivate IP Addresses Single IP Address Operation Using NAT Related Documents MAC Addresses and Address Resolution ProtocolInternet Security and Firewalls IP Configuration by DHCPDomain Name Server Denial of Service Attack What is a Firewall?Stateful Packet Inspection Wireless Network Configuration Wireless NetworkingAd-hoc Mode Peer-to-Peer Workgroup Infrastructure ModeAuthentication and WEP Encryption Extended Service Set Identification ESSIDWireless Channel Selection Ethernet Cabling Uplink Switches and Crossover CablesCable Quality Preparing Your Computers for TCP/IP Networking Appendix C Preparing Your NetworkInstall or Verify Windows Networking Components Configuring Windows 95, 98, and ME for TCP/IP NetworkingIf you need to install a new adapter, follow these steps Selecting Windows’ Internet Access Method Enabling DHCP to Automatically Configure TCP/IP SettingsVerifying TCP/IP Properties Configuring Windows NT, 2000 or XP for IP NetworkingInstall or Verify Windows Networking Components MacOS 8.6 or Configuring the Macintosh for TCP/IP Networking3. Type ipconfig /all Verifying TCP/IP PropertiesMacOS Verifying TCP/IP Properties for Macintosh Computers Verifying the Readiness of Your Internet Account What Is Your Configuration Information?mail.xxx.yyy.com Obtaining ISP Configuration Information for Windows ComputersObtaining ISP Configuration Information for Macintosh Computers Reference Manual for the Model CG814M Wireless Cable Modem Gateway Restarting the NetworkC-12 Preparing Your NetworkReference Manual for the Model CG814M Wireless Cable Modem Gateway GlossaryGlossary networks Reference Manual for the Model CG814M Wireless Cable Modem GatewayGlossary Reference Manual for the Model CG814M Wireless Cable Modem Gatewayprivate networks by using a public network such as the Internet as a Reference Manual for the Model CG814M Wireless Cable Modem Gateway