Related Manuals for NETGEAR CG814WG V3
Summary of Contents for NETGEAR CG814WG V3
- Page 1 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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Page 2: Safety Information
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. NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit layout(s) described herein. -
Page 3: Technical Support
Certificate of the Manufacturer/Importer It is hereby certified that the CG814WG v3 Wireless Cable Modem Gateway has been suppressed in accordance with the conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, test transmitters) in accordance with the regulations may, however, be subject to certain restrictions. - Page 4 v1.0, June 2007...
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Page 5: Table Of Contents
Rear Panel ...1-3 What You Need Before You Begin ...1-3 Hardware Requirements ...1-3 LAN Configuration Requirements ...1-4 Internet Configuration Requirements ...1-4 Connecting the CG814WG v3 Gateway ...1-4 Installation ...1-4 Chapter 2 Wireless Configuration Wireless Placement and Range Guidelines ...2-2 SSID and Wireless Security Settings Form ...2-3 Viewing or Changing Wireless Settings ...2-4... - Page 6 Wireless Cable Modem Gateway CG814WG v3 Reference Manual Services ...3-4 Firewall Rules ...3-5 Port Forwarding ...3-6 Port Blocking ...3-7 Chapter 4 Managing Your Network Maintenance ...4-1 Gateway Status ...4-2 Signal Status ...4-3 Set Password ...4-4 Backup Settings ...4-5 Event Log ...4-6 Advanced Settings ...4-7...
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Page 7: 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. -
Page 8: How To Use This Manual
Wireless Cable Modem Gateway CG814WG v3 Reference Manual • Scope. This manual is written for the CG814WG v3 Gateway according to these specifications: Product Version Manual Publication Date For more information about network, Internet, firewall, and VPN technologies, see the links to the NETGEAR website in Appendix B, “Related... - Page 9 Click the print icon in the upper left of the window. Tip: If your printer supports printing two pages on a single sheet of paper, you can save paper and printer ink by selecting this feature. About This Manual Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007...
- Page 10 Wireless Cable Modem Gateway CG814WG v3 Reference Manual About This Manual v1.0, June 2007...
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Page 11: Connecting The Gateway To The Internet
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: •... - Page 12 Wireless Cable Modem Gateway CG814WG v3 Reference Manual You can use the LEDs to verify connections. panel of the CG814WG v3 Gateway. Table 1-1. LED Descriptions Description Power • On: Power is supplied to the gateway. • Off: Power is not supplied to the gateway.
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Page 13: Rear Panel
The CG814WG v3 Gateway connects to your LAN using either its twisted-pair Ethernet, USB or 802.11b or 802.11g wireless port. To use the CG814WG v3 Gateway on your network, each computer must have either an installed Ethernet Network Interface Card (NIC), USB Host port or 802.11b or 802.11g wireless adapter. If the computer will connect to your network at 100 Mbps, you must use a Category 5 (CAT5) cable such as the one provided with your gateway. -
Page 14: Lan Configuration Requirements
• Fixed or Static IP Address Connecting the CG814WG v3 Gateway Note: Install and set up the CG814WG v3 Gateway using an Ethernet or USB connection to your computer first. Then configure the wireless settings. See Chapter 2, “Wireless Configuration”... - Page 15 Using the coaxial cable provided by your cable company, connect the CG814WG v3 cable port (A) to your cable line splitter or outlet. Figure 1-3 c. Connect the gateway to your computer with either an Ethernet or USB cable.
- Page 16 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. e. Turn on your computer. If software usually logs you in to your Internet connection, do not run that software or cancel it if it starts automatically.
- Page 17 DHCP. For instructions on how to do this, see the link to “Preparing a Computer for Network Access” in Appendix a. Using the computer that you first used to access your cable modem Internet service, connect to the gateway by typing browser. A login window opens.
- Page 18 WAN Primary and Secondary DNS: A DNS server is a host on the Internet that translates Internet names (such as www.netgear.com) to numeric IP addresses. Typically your ISP transfers the IP address of one or two DNS servers to your gateway during login.
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Page 19: 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. -
Page 20: Wireless Placement And Range Guidelines
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. -
Page 21: Ssid And Wireless Security Settings Form
RADIUS servers. Server Name/IP Address: _____________________________________________ Port: _____________________________________________ Shared Key: _____________________________________________ Use the procedures described in the following sections to configure the CG814WG v3. Store this information in a safe place. Wireless Configuration Wireless Cable Modem Gateway CG814WG v3 Reference Manual... -
Page 22: Viewing Or Changing Wireless Settings
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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 page 2-3. - Page 23 Wireless Card Turn Access Control On Access List Wireless Configuration Wireless Cable Modem Gateway CG814WG v3 Reference Manual Description The SSID is also known as the wireless network name. Enter a 32-character (maximum) name in this field. The characters are case sensitive.
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Page 24: Turning On Access Control To Restrict Access By Mac Address
You can restrict access to only trusted PCs so that unknown PCs cannot wirelessly connect to the CG814WG v3 Gateway. MAC address filtering adds an obstacle against unwanted access to your network, but the data broadcast over the wireless link is fully exposed. - Page 25 The Access List displays a list of wireless clients that will have access to the wireless network when the list is enabled. Wireless Configuration Wireless Cable Modem Gateway CG814WG v3 Reference Manual “Viewing or Changing Wireless Settings” on v1.0, June 2007...
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Page 26: How To Configure Wep (Wired Equivalent Privacy)
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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 radio button of that computer to capture its MAC address;... - Page 27 Apply. Reconfigure your wireless adapter to match the new settings or access the gateway from a wired computer to make any further changes. Wireless Configuration Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007...
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Page 28: How To Configure Wpa
Wireless Cable Modem Gateway CG814WG v3 Reference Manual How to Configure WPA Note: Not all wireless adapters support WPA. Furthermore, client software is required on the client. Windows XP and Windows 2000 with Service Pack 3 or above do include the client software that supports WPA. The wireless adapter hardware and driver must also support WPA. - Page 29 • Shared Key: This is shared between the Wireless Access Point and the Radius Server while authenticating the supplicant. 6. Click Apply to save your settings. Wireless Configuration Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007 2-11...
- Page 30 Wireless Cable Modem Gateway CG814WG v3 Reference Manual 2-12 Wireless Configuration v1.0, June 2007...
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Page 31: Content Filtering And Firewall Rules
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. Note: You must log in as a parent (superuser) in order to access Content Filtering features. -
Page 32: Logs
With its content filtering feature, the CG814WG v3 Gateway prevents objectionable content from reaching your PCs. The CG814WG v3 allows you to control access to Internet content by screening for keywords within Web addresses. capability to block access to all sites except those that are explicitly allowed. -
Page 33: Blocking Keywords And Domains
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 the name of a particular website. For example, for the address www.NETGEAR.com, the domain name is NETGEAR.com. -
Page 34: Services
Wireless Cable Modem Gateway CG814WG v3 Reference Manual • 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. -
Page 35: Firewall Rules
LAN side to the outside. You can use Port Blocking to add predefined or custom rules to specify exceptions to the default rules. Content Filtering and Firewall Rules Wireless Cable Modem Gateway CG814WG v3 Reference Manual Description When Firewall Features are enabled, the gateway will perform Stateful Packet Inspection (SPI) and protect against Denial of Service (DoS) attacks. -
Page 36: Port Forwarding
Wireless Cable Modem Gateway CG814WG v3 Reference Manual The Firewall Rules screen is shown below: Figure 3-5 Port Forwarding With port forwarding, you can make local computers or servers available to the Internet for different services. For example, FTP uses TCP ports 20 and 21. The selections on this screen are: •... -
Page 37: Port Blocking
TCP, UDP or Both. Click Add. • To delete an existing rule, select its button on the left side of the table and click Delete. Content Filtering and Firewall Rules Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007... - Page 38 Wireless Cable Modem Gateway CG814WG v3 Reference Manual Content Filtering and Firewall Rules v1.0, June 2007...
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Page 39: Managing Your Network
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. Note: For information about Firewall Rules, see Chapter 3, “Content Filtering and... -
Page 40: Gateway Status
Information Standard Specification Compliant Hardware Version Software Version Cable Modem MAC Address The MAC address used by the cable modem port of the Device MAC Address Cable Modem Serial Number The serial number of the gateway hardware. CM Certificate Description The specification to which the gateway’s cable interface is... -
Page 41: Signal Status
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 you can see the current time. Figure 4-3 The gateway goes through the following steps to be provisioned 1. -
Page 42: Set Password
Note: The user name and password are not the same as any user name or password your may use to log in to your Internet connection. NETGEAR recommends that you change this password to a more secure password. The ideal password should contain no dictionary words from any language, and should be a mixture of both upper and lower case letters, numbers, and symbols. -
Page 43: Backup Settings
3. Click Restore. • A message notifies you when the gateway has been restored to previous settings. • The gateway restarts, which takes about one minute. Managing Your Network Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007... -
Page 44: Event Log
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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 Note: If you do not know the login password or IP address, you can use the reset button on the rear panel of the gateway to restore the factory default settings. -
Page 45: Advanced Settings
— To assign a DMZ Address, type the value in the DMZ Address field and then click Apply. — To remove a DMZ Address, type 0 in the DMZ Address field, and then click Apply. Managing Your Network Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007 Rules”. -
Page 46: Dynamic Dns
Wireless Cable Modem Gateway CG814WG v3 Reference Manual • 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 unless you are sure it is necessary for your ISP connection. -
Page 47: Lan Ip Settings
Protocol) server, which provides the TCP/IP configuration for all the computers that are connected to the gateway. • For more information about DHCP Server and DHCP Client Lease Info, see the online help. Managing Your Network Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007... -
Page 48: Diagnostics
4. Click REFRESH to see the results of the Ping test. Perform a DNS Lookup A DNS (Domain Name Server) converts the Internet name (e.g. www.netgear.com) to an IP address. If you need the IP address of a Web, FTP, Mail or other Server on the Internet, you can do a DNS lookup to find the IP address. -
Page 49: Remote Management Access
Remote Management Access With Remote Management, you can allow a user or users on the Internet to configure, upgrade and check the status of your CG814WG v3 Gateway. To configure your gateway for Remote Management: 1. Click Remote Management to go to this screen: Figure 4-12 2. -
Page 50: Upnp
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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 provided. Choose a number between 1024 and 65535, but do not use the number of any common service port. - Page 51 Advertisement Time to Live: The time to live for the advertisement is measured in hops (steps) for each UPnP packet sent. For more information, see the online help. Managing Your Network Wireless Cable Modem Gateway CG814WG v3 Reference Manual v1.0, June 2007 4-13...
- Page 52 Wireless Cable Modem Gateway CG814WG v3 Reference Manual 4-14 Managing Your Network v1.0, June 2007...
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Page 53: 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 • I cannot access the gateway configuration with my browser. -
Page 54: Using Leds To Troubleshoot
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Using LEDs to Troubleshoot The following table provides help when using the LEDs for troubleshooting. Table 5-1. Using LEDs to Troubleshoot LED Behavior All LEDS are off when the gateway is plugged in. -
Page 55: Troubleshooting The Isp Connection
DHCP, reboot the PC and verify the gateway address. See the link to the online document Troubleshooting Wireless Cable Modem Gateway CG814WG v3 Reference Manual “Internet Networking and TCP/IP “Diagnostics” on page “Connecting the CG814WG v3 Gateway” on page “Internet Networking and TCP/IP Addressing”... -
Page 56: Troubleshooting A Tcp/Ip Network Using A Ping Utility
Wireless Cable Modem Gateway CG814WG v3 Reference Manual 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 an echo reply. Troubleshooting a TCP/IP network is made easier by using the ping utility in your PC or workstation. -
Page 57: Testing The Path From Your Pc To A Remote Device
If your ISP assigned a host name to your PC, enter that host name as the Account Name in the Basic Settings menu. Troubleshooting Wireless Cable Modem Gateway CG814WG v3 Reference Manual “Internet Networking and TCP/IP Addressing” v1.0, June 2007... - Page 58 Wireless Cable Modem Gateway CG814WG v3 Reference Manual Troubleshooting v1.0, June 2007...
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Page 59: Technical Specifications And Factory Default Settings
Technical Specifications and Factory Default This appendix provides technical specifications and default factory settings for the CG814WG v3 Gateway. Technical Specifications Specification Network Protocol and Standards Compatibility Data and Routing Protocols: Power Adapter Physical Specifications Environmental Specifications Electromagnetic Emissions Interface Specifications... -
Page 60: Factory Default Settings
Wireless Cable Modem Gateway CG814WG v3 Reference Manual Specification Radio Data Rates Frequency Operating Frequency Ranges: Encryption: 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. - Page 61 Table A-1. Default Configuration Settings Feature Time Zone Adjusted for Daylight Saving Time SNMP Technical Specifications and Factory Default Settings Wireless Cable Modem Gateway CG814WG v3 Reference Manual Default Behavior Disabled Disabled v1.0, June 2007...
- Page 62 Wireless Cable Modem Gateway CG814WG v3 Reference Manual Table A-1. Default Configuration Settings Feature Firewall Inbound (communications coming in from the Internet) Outbound (communications going out to the Internet) Source MAC filtering Internet Connection WAN MAC address WAN MTU size...
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Page 63: Appendix B Related Documents
This appendix provides links to reference documents you can use to gain a more complete understanding of the technologies used in your NETGEAR product. Document Windows XP and Vista Wireless Configuration Utilities Internet Networking and TCP/IP Addressing Wireless Communications Preparing a Computer for... - Page 64 Wireless Cable Modem Gateway CG814WG v3 Reference Manual Related Documents v1.0, June 2007...