Page 2 - Trademarks; Prohibition of Co-location
ii v1.0, June 2007 © 2007 by NETGEAR, Inc. All rights reserved. Trademarks NETGEAR is a trademark of NETGEAR, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Other brand and product names are registered trademarks or trademarks of their respective holders....
Page 3 - Bestätigung des Herstellers/Importeurs; Technical Support
v1.0, June 2007 iii requirements for electromagnetic compatibility – Article 3.1b. Testing for electromagnetic compatibility according to EN 301 489-1 and EN 301 489-17 has been conducted. These are considered relevant and sufficient. Effective use of the radio spectrum – Article 3.2. Testing for ra...
Page 5 - Contents; About This Manual
i v1.0, June 2007 Contents About This Manual Conventions, Formats and Scope ..................................................................................... 1 How to Use This Manual ................................................................................................... 2 How to Prin...
Page 7 - The; Conventions, Formats and Scope; Typographical Conventions.; This manual uses the following typographical conventions:
iii v1.0, June 2007 About This Manual The NETGEAR® CG814WG v3 Wireless Cable Modem Gateway Reference Manual describes how to install, configure and troubleshoot the CG814WG v3 Wireless Cable Modem Gateway. The information in this manual is intended for readers with intermediate computer and Internet...
Page 8 - Appendix B, “Related Documents”; How to Use This Manual; Printing a Page in the HTML View; Print; Printing a Chapter; PDF of This Chapter
Wireless Cable Modem Gateway CG814WG v3 Reference Manual iv About This Manual v1.0, June 2007 • Scope. This manual is written for the CG814WG v3 Gateway according to these specifications: For more information about network, Internet, firewall, and VPN technologies, see the links to the NETGEAR websi...
Page 9 - Printing the Full Manual; Complete PDF Manual
Wireless Cable Modem Gateway CG814WG v3 Reference Manual About This Manual v v1.0, June 2007 – Click the PDF of This Chapter link at the top left of any page in the chapter you want to print. The PDF version of the chapter you were viewing opens in a browser window. – Your computer must have the fre...
Page 11 - Package Contents; The product package should contain the following items:; Front Panel; The front panel of the CG814WG v3 contains status LEDs.
1-1 v1.0, June 2007 Chapter 1 Connecting the Gateway to the Internet This chapter describes how to set up the CG814WG v3 Gateway on your Local Area Network (LAN), connect to the Internet, and perform basic configuration. Package Contents The product package should contain the following items: • CG81...
Page 12 - You can use the LEDs to verify connections.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 1-2 Connecting the Gateway to the Internet v1.0, June 2007 You can use the LEDs to verify connections. Table 1-1 lists and describes each LED on the front panel of the CG814WG v3 Gateway. Table 1-1. LED Descriptions LED Description Power • On:...
Page 13 - Rear Panel; What You Need Before You Begin; A computer properly connected to the gateway as explained below.; Hardware Requirements
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Connecting the Gateway to the Internet 1-3 v1.0, June 2007 Rear Panel The rear panel of the CG814WG v3 contains the connections identified below: What You Need Before You Begin You need these three things before you can connect your gateway to...
Page 14 - LAN Configuration Requirements; Connecting the CG814WG v3 Gateway; Installation; “Internet
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 1-4 Connecting the Gateway to the Internet v1.0, June 2007 LAN Configuration Requirements For the initial connection to the Internet and configuration of your gateway, connect a computer to the gateway which is set to automatically get its TCP...
Page 15 - to your cable line splitter or outlet.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Connecting the Gateway to the Internet 1-5 v1.0, June 2007 b. Using the coaxial cable provided by your cable company, connect the CG814WG v3 cable port (A ) to your cable line splitter or outlet. c. Connect the gateway to your computer with ei...
Page 16 - The power light is lit after turning on the gateway.; technology. Each local
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 1-6 Connecting the Gateway to the Internet v1.0, June 2007 For a USB connection, connect the USB cable to the USB port on your modem and to a USB port on your computer. d. Connect the power adapter to the CG814WG v3, and plug it into an outlet...
Page 17 - Resource CD; superuser; “Preparing a Computer for Network Access” in Appendix B
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Connecting the Gateway to the Internet 1-7 v1.0, June 2007 b. Browse to the Resource CD and install the USB driver by clicking through the Windows wizard prompts. 3. Log in to the Gateway a. Using the computer that you first used to access you...
Page 18 - WAN Primary and Secondary DNS:; “Gateway Status” in Chapter 4
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 1-8 Connecting the Gateway to the Internet v1.0, June 2007 When you connect to the gateway the Gateway status screen opens. 4. Enter your Network Configuration. • WAN IP Address: The IP Address that you would for your gateway in dotted decimal...
Page 20 - Wireless Placement and Range Guidelines; Near the center of the area in which your PCs will operate.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 2-2 Wireless Configuration v1.0, June 2007 Wireless Placement and Range Guidelines The range of your wireless connection can vary significantly based on the physical placement of the gateway. The latency, data throughput performance, and noteb...
Page 21 - SSID and Wireless Security Settings Form; WPA; and; WPA2 RADIUS; Settings. For WPA and WPA2, record the following settings for
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Wireless Configuration 2-3 v1.0, June 2007 SSID and Wireless Security Settings Form For a new wireless network, print or copy this form and fill in the settings. For an existing wireless network, the person who set up or is responsible for the...
Page 22 - Viewing or Changing Wireless Settings; “SSID and Wireless Security Settings Form” on; admin; and default password of; password
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 2-4 Wireless Configuration v1.0, June 2007 Viewing or Changing Wireless Settings You can view or change the wireless settings for the gateway. If you want to make changes, make sure to note the current settings first. See the “SSID and Wireles...
Page 24 - uses authentication from a Radius; See
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 2-6 Wireless Configuration v1.0, June 2007 Turning on Access Control to Restrict Access by MAC Address By default, any wireless PC that is configured with the correct SSID and WEP/WPA settings will be allowed access to your wireless network. F...
Page 25 - To restrict access based on MAC addresses:; Turn Access Control On; Click the Setup Access List button to display the Access List.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Wireless Configuration 2-7 v1.0, June 2007 To restrict access based on MAC addresses: 1. Connect to the gateway and log in as described in “Viewing or Changing Wireless Settings” on page 2-4 . 2. Click Wireless Settings, and then select the Tu...
Page 26 - How to Configure WEP (Wired Equivalent Privacy)
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 2-8 Wireless Configuration v1.0, June 2007 4. Adjust the list as needed for your network. You can add a devices to the Access List using either of the following methods: a. If the computer is in the Connected Wireless Devices table, click the ...
Page 27 - Settings for WEP encryption are shown on the screen:; Open System; to save your settings.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Wireless Configuration 2-9 v1.0, June 2007 Settings for WEP encryption are shown on the screen: 4. Select the Authentication. Choose Open System , Shared Key , or Open System or Shared Key . The default is Open System. 5. Enter the encryption ...
Page 28 - How to Configure WPA
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 2-10 Wireless Configuration v1.0, June 2007 How to Configure WPA To configure WPA in the gateway: 1. Log in to the gateway at the default LAN address of http://192.168.0.1 with the default user name of admin and default password of password , ...
Page 29 - Radius Port; while authenticating the supplicant.; Apply
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Wireless Configuration 2-11 v1.0, June 2007 • Radius Port : Port number of the Radius Server. The default is 1812. • Shared Key : This is shared between the Wireless Access Point and the Radius Server while authenticating the supplicant. 6. Cl...
Page 31 - Content Filtering
3-1 v1.0, June 2007 Chapter 3 Content Filtering and Firewall Rules This chapter describes how to use Content Filtering and Firewall Rules for the CG814WG v3 Gateway to protect your network. Content Filtering Content Filtering features include Logs, Block Sites, and Services. Firewall rules can also ...
Page 32 - Logs; “Event Log” in Chapter 4; communications services.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 3-2 Content Filtering and Firewall Rules v1.0, June 2007 Logs A log is a detailed record of the Denial of Service (DoS) attacks directed at your network. You can use e-mail notification to receive these logs in an e-mail message. If you do not...
Page 33 - Blocking Keywords and Domains
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Content Filtering and Firewall Rules 3-3 v1.0, June 2007 Blocking Keywords and Domains The CG814WG v3 Gateway allows you to restrict access to Internet content based on functions such as Web address keywords and Web domains. A domain name is t...
Page 34 - Enter the keyword “.” to block all Internet browsing access.; Services
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 3-4 Content Filtering and Firewall Rules v1.0, June 2007 • Enter the keyword “.” to block all Internet browsing access. 4. You can use the Domain List to create a list of allowed domains, or to create a list of denied domains. Select the Domai...
Page 35 - Firewall Rules; These rules restrict access from outsiders. The default
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Content Filtering and Firewall Rules 3-5 v1.0, June 2007 To enable a service, select its check box. To disable a service, clear its check box. The following table describes the services. Firewall Rules A firewall has two default rules, one for...
Page 36 - The Firewall Rules screen is shown below:; Port Forwarding; Active Forwarding Rules:; This table displays a list of ports that are currently forwarded.; Choose Predefined Service:; Select a predefined service from the pull-down menu.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 3-6 Content Filtering and Firewall Rules v1.0, June 2007 The Firewall Rules screen is shown below: Port Forwarding With port forwarding, you can make local computers or servers available to the Internet for different services. For example, FTP...
Page 37 - Considerations for Port Forwarding; Port Blocking; This table displays a list of ports that are currently blocked.; Add Predefined Service:
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Content Filtering and Firewall Rules 3-7 v1.0, June 2007 game server) visible and available to the Internet. The rule tells the gateway to direct inbound traffic for a particular service to one local server based on the destination port number...
Page 39 - Maintenance; Chapter 3, “Content Filtering and
4-1 v1.0, June 2007 Chapter 4 Managing Your Network This chapter describes how to perform network management tasks with your CG814WG v3 Gateway. When you log in to the gateway you will see these tasks grouped under the Maintenance heading and Advanced heading. Log in to the gateway at its default LA...
Page 40 - Gateway Status; Select Gateway Status to go to this screen:
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 4-2 Managing Your Network v1.0, June 2007 Gateway Status Select Gateway Status to go to this screen: The Gateway Status screen fields are explained in the following table. Figure 4-2 Table 4-1. Gateway Status Fields Field Description Informati...
Page 41 - Signal Status; The gateway goes through the following steps to be provisioned
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Managing Your Network 4-3 v1.0, June 2007 Signal Status You can use the Signal Status page to track your gateway’s initialization procedure, and to get details on the Downstream and Upstream cable channel. After the cable modem is initialized ...
Page 42 - Set Password; If you have backed up the gateway settings previously, you
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 4-4 Managing Your Network v1.0, June 2007 Set Password For security reasons, the gateway has its own user name and password. Also, after a period of inactivity for a set length of time, the administrator login will automatically disconnect. Wh...
Page 43 - Backup Settings; Click Backup to go to the Backup Settings screen:; Restoring Saved Settings; To restore settings from a backup file:
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Managing Your Network 4-5 v1.0, June 2007 Backup Settings The configuration settings of the gateway are stored in a configuration file in the gateway. You can use the Backup Settings screen to work with the configuration file. Click Backup to ...
Page 44 - Resetting to Factory Default Settings; “Factory Default Settings” in Appendix A; The gateway reboots automatically. The gateway’s password will be; Event Log; For information about e-mail notifications, see
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 4-6 Managing Your Network v1.0, June 2007 Resetting to Factory Default Settings You can erase the gateway configuration and reset it to the factory default settings. The factory default settings are shown in See “Factory Default Settings” in A...
Page 45 - Advanced Settings; These features are for advanced users.; WAN Setup; Respond to Ping on WAN:; If you want the gateway to respond to a Ping from the Internet,; . This can be used as a diagnostic tool.
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Managing Your Network 4-7 v1.0, June 2007 Advanced Settings These features are for advanced users. For Firewall Rules, see Chapter 3, “Content Filtering and Firewall Rules” . WAN Setup You can use this screen to set the gateway to respond to a...
Page 46 - Dynamic DNS; Use a Dynamic DNS Service
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 4-8 Managing Your Network v1.0, June 2007 • MTU Size : The normal MTU (Maximum Transmit Unit) value for most Ethernet networks is 1500 Bytes. For some ISPs you may need to reduce the MTU. But this is rarely required, and should not be done unl...
Page 47 - LAN IP Settings; The LAN IP Address that you would like to assign for your gateway in
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Managing Your Network 4-9 v1.0, June 2007 LAN IP Settings The LAN IP Setup screen allows configuration of LAN IP services such as the IP address of the gateway and DHCP. You can use the LAN IP screen to configure your local area network. The D...
Page 48 - Diagnostics; Ping Test; To perform a ping test:; Perform a DNS Lookup
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 4-10 Managing Your Network v1.0, June 2007 Diagnostics You can use Diagnostics to test connectivity to PC using the Ping command, perform a DNS lookup, display the Routing Table and reboot the router. Click Diagnostics to go to this screen: Pi...
Page 49 - Display the Routing Table; Remote Management Access; To configure your gateway for Remote Management:
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Managing Your Network 4-11 v1.0, June 2007 Display the Routing Table This operation will display the internal routing table. This information is used by Technical Support and other staff who understand Routing Tables. Reboot the Router Use thi...
Page 50 - to have your changes take effect.; Revert to Factory Default Setting; Have your ISP allocate you a Fixed IP address.; UPnP
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 4-12 Managing Your Network v1.0, June 2007 Web browser access normally uses the standard HTTP service port 80. For greater security, you can change the remote management Web interface to a custom port by entering that number in the box provide...
Page 51 - Advertisement Period:; The default is 30 minutes.; Advertisement Time to Live:; The time to live for the advertisement is measured in hops
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Managing Your Network 4-13 v1.0, June 2007 • Turn UPnP On: The default setting is disabled. With this setting the router will not allow any device to automatically control the resources, such as port forwarding, of the router. • Advertisement ...
Page 53 - “Basic Functions” on page 5-1; Basic Functions
5-1 v1.0, June 2007 Chapter 5 Troubleshooting This chapter gives information about troubleshooting your CG814WG v3 Wireless Cable Modem Gateway. For the common problems listed, go to the section indicated. • Have I connected the gateway correctly? Go to “Basic Functions” on page 5-1 . • I cannot acc...
Page 54 - Using LEDs to Troubleshoot; Connecting to the Gateway’s Main Menu
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 5-2 Troubleshooting v1.0, June 2007 Using LEDs to Troubleshoot The following table provides help when using the LEDs for troubleshooting. Connecting to the Gateway’s Main Menu If you are unable to access the gateway’s main menu from a computer...
Page 55 - “Internet Networking and TCP/IP; and the password is; . Make sure that CAPS LOCK is off when entering this; Troubleshooting the ISP Connection; “Connecting the CG814WG v3 Gateway” on page 1-4
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Troubleshooting 5-3 v1.0, June 2007 • Make sure that your PC’s IP address is on the same subnet as the gateway. If you are using the recommended addressing scheme, your PC’s address should be in the range of 192.168.0.10 to 192.168.0.254. Refe...
Page 56 - Troubleshooting a TCP/IP Network Using a Ping Utility; Testing the LAN Path to Your Gateway; Pinging with 32 bytes of data
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 5-4 Troubleshooting v1.0, June 2007 Troubleshooting a TCP/IP Network Using a Ping Utility Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then responds with...
Page 57 - Testing the Path from Your PC to a Remote Device; IP address
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Troubleshooting 5-5 v1.0, June 2007 Testing the Path from Your PC to a Remote Device After verifying that the LAN path works correctly, test the path from your PC to a remote device. From the Windows run menu, type: PING -n 10 <IP address&g...
Page 59 - Appendix A; Technical Specifications
Technical Specifications and Factory Default Settings A-1 v1.0, June 2007 Appendix A Technical Specifications and Factory Default Settings This appendix provides technical specifications and default factory settings for the CG814WG v3 Gateway. Technical Specifications Specification Description Netwo...
Page 60 - Factory Default Settings; Table A-1. Default Configuration Settings
Wireless Cable Modem Gateway CG814WG v3 Reference Manual A-2 Technical Specifications and Factory Default Settings v1.0, June 2007 Factory Default Settings You can use the reset button located on the rear panel of your gateway to reset all settings to their factory defaults. This is called a hard re...