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Wireless Cable Modem
Gateway CG814WG v3
Reference Manual
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
202-10297-01
June 2007
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© 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. Statement of Conditions In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without notice. N
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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 radio test suites according to EN 300 328- 2 has been conducted. These are considered relevant and sufficient. Bestätigung des Herstellers/Importeurs Es wird hiermit bestätigt, daß das CG814WG v3 Wireless Cable Modem Ga
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iv v1.0, June 2007
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Contents About This Manual Conventions, Formats and Scope .....................................................................................1 How to Use This Manual ...................................................................................................2 How to Print this Manual ....................................................................................................2 Chapter 1 Connecting the Gateway to the Internet Package Contents .....................................
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual Services ...................................................................................................................3-4 Firewall Rules .................................................................................................................3-5 Port Forwarding ........................................................................................................3-6 Port Blocking .............................................
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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 skills. Conventions, Formats and Scope The conventions, formats, and scope of this manual are described in the following paragraphs: • Typographical Conventions. This manual uses the following typographical conventi
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual • Scope. This manual is written for the CG814WG v3 Gateway according to these specifications: Product Version CG814WG v3 Wireless Cable Modem Gateway Manual Publication Date June 2007 For more information about network, Internet, firewall, and VPN technologies, see the links to the NETGEAR website in Appendix B, “Related Documents”. Note: Product updates are available on the NETGEAR, Inc. website at http://kbserver.netgear.com. How to Us
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual – 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 free Adobe Acrobat reader installed in order to view and print PDF files. The Acrobat reader is available on the Adobe website at http://www.adobe.com. – Click the print icon in the upper left of the window. Tip: If your printer suppo
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual vi About This Manual v1.0, June 2007
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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: • CG814WG v3 Wireless Cable Modem Gateway •AC power adapter • Category 5 (CAT5) Ethernet cable • USB cable If any of the parts are incorrect, missing, or damaged, contact your NETGEAR dealer. Keep the carton, including the o
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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: Power is supplied to the gateway. • Off: Power is not supplied to the gateway. Cable Link • On (green): Configuration of the cable interface by your cable service provider is complete. • Off: Configuration of the cable interface is still in progress. Upst
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual Rear Panel The rear panel of the CG814WG v3 contains the connections identified below: wireless antenna USB port reset button coaxial cable to your cable service provider 4 Ethernet LAN ports AC power adapter input Figure 1-2 What You Need Before You Begin You need these three things before you can connect your gateway to the Internet: • A computer properly connected to the gateway as explained below. • Active Data Over Cable Internet serv
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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/IP configuration from the gateway via DHCP. Note: For help with DHCP configuration, see the link to the online document “Internet Networking and TCP/IP Addressing” in Appendix B. Internet Configuration Requirements Depending on how your ISP set up your In
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual b. Using the coaxial cable provided by your cable company, connect the CG814WG v3 cable port (A) to your cable line splitter or outlet. A Figure 1-3 c. Connect the gateway to your computer with either an Ethernet or USB cable. Note: The USB connection option is only available for Windows PCs. Also, Windows 95 does not support USB without special operating system upgrades and patches. For an Ethernet connection, use the Ethernet cable th
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual TM Note: The CG814WG v3 Gateway uses Auto Uplink technology. Each local Ethernet port senses whether the cable plugged into the port is attached to a PC, or is attached to a switch or hub, which requires an uplink connection. The port configures itself to accommodate either type of cable. This eliminates the need for crossover cables. For a USB connection, connect the USB cable to the USB port on your modem and to a USB port on your c
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual b. Browse to the Resource CD and install the USB driver by clicking through the Windows wizard prompts. 3. Log in to the Gateway Note: To connect to the gateway, your computer must be configured to obtain an IP address automatically via DHCP. For instructions on how to do this, see the link to “Preparing a Computer for Network Access” in Appendix B. a. Using the computer that you first used to access your cable modem Internet service,
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual Note: If you cannot connect to the gateway, see “Basic Functions” in Chapter 5. When you connect to the gateway the Gateway status screen opens. Figure 1-7 4. Enter your Network Configuration. • WAN IP Address: The IP Address that you would for your gateway in dotted decimal notation. • WAN Subnet Mask: The network number portion of an IP address. Unless you are implementing subnetting, use 255.255.0.0 as the subnet mask. • WAN Default
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Chapter 2 Wireless Configuration This chapter describes how to configure the wireless features of your CG814WG v3 Gateway. In planning your wireless network, you should consider the level of security required. You should also select the physical placement of your firewall in order to maximize the network speed. Note: If you are configuring the gateway from a wireless PC and you change the gateway’s SSID, channel, or wireless security settings, you will lose your wireless connection when you
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Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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 notebook power consumption of wireless adapters also vary depending on your configuration choices. For best results, place your gateway: • Near the center of the area in which your PCs will operate. • In an elevated location such as a high shelf
