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Summary of Contents for NETGEAR CG834WG
- Page 1 Wireless Cable Modem Gateway CG834WG User Manual NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA 202-10330-01 October 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
Serie auf die Erfüllung der Vorschriften hin zu überprüfen. Certificate of the Manufacturer/Importer It is hereby certified that the CG834WG 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, October 2007...
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Page 5: Table Of Contents
Contents Wireless Cable Modem Gateway CG834WG User Manual About This Manual Conventions, Formats, and Scope ..................v How to Use This Manual ....................vi How to Print This Manual ....................vi Chapter 1 Connecting the Gateway to the Internet Package Contents ......................1-1 Front Panel .......................1-1... - Page 6 Blocking Keywords and Domains ................3-2 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 ......................4-1 Viewing the Connection Status ................4-3 Setting Passwords ....................4-4 Resetting to Factory Default Settings ...............4-5 Backup Settings .......................4-6 Event Log .........................4-7 Diagnostics .......................4-7...
- Page 7 Appendix B Related Documents v1.0, October 2007...
- Page 8 v1.0, October 2007...
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Page 9: About This Manual
About This Manual The NETGEAR ® Wireless Cable Modem Gateway CG834WG-1ELNDS User Manual describes how to install, configure, and troubleshoot the CG834WG Wireless Cable Modem Gateway. The information in this manual is intended for readers with intermediate computer and Internet skills. -
Page 10: How To Use This Manual
Double-click a link in the table of contents or index to navigate directly to where the topic is described in the manual. • button to access the full NETGEAR, Inc. online knowledge base for the product model. • Links to PDF versions of the full manual and individual chapters. - Page 11 Wireless Cable Modem Gateway CG834WG User Manual – Printing a PDF version of the Complete Manual. Use the Complete PDF Manual link at the top left of any page. • Click the Complete PDF Manual link at the top left of any page in the manual. The PDF version of the complete manual opens in a browser window.
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Page 13: Connecting The Gateway To The Internet
Chapter 1 Connecting the Gateway to the Internet This chapter describes how to set up the CG834WG 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 14 Wireless Cable Modem Gateway CG834WG User Manual You can use the LEDs to verify connections. The following table lists and describes each LED on the front panel of the CG834WG Gateway. Table 1-1. LED Descriptions Description Power • On: Power is supplied to the gateway.
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Page 15: Rear Panel
The CG834WG Gateway connects to your LAN using either its twisted-pair Ethernet, USB or 802.11b or 802.11g wireless port. To use the CG834WG 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 16: Lan Configuration Requirements
ISP Domain Name Server (DNS) Addresses • Fixed or Static IP Address Connecting the CG834WG Gateway Note: Install and set up the CG834WG Gateway using an Ethernet or USB connection to your computer first. Then configure the wireless settings. See Chapter 2, “Wireless Configuration”... - Page 17 Wireless Cable Modem Gateway CG834WG User Manual b. Using the coaxial cable provided by your cable company, connect the gateway 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 18 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 CG834WG, 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 19 Wireless Cable Modem Gateway CG834WG User Manual 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”...
- Page 20 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 21: Wireless Configuration
Chapter 2 Wireless Configuration This chapter describes how to configure the wireless features of your CG834WG 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 22: Wireless Placement And Range Guidelines
Wireless Cable Modem Gateway CG834WG User 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 23: Ssid And Wireless Security Settings Form
Regulatory Domain correctly as the first step. • SSID. The Service Set Identification (SSID) identifies the wireless local area network. NETGEAR is the default SSID. However, you may customize it by using up to 32 alphanumeric characters. Write your customized SSID on the line below. ____________________________________________________ The SSID in the gateway is the SSID you configure in the wireless adapter card. -
Page 24: Viewing Or Changing Wireless Settings
Wireless Cable Modem Gateway CG834WG User Manual Viewing or Changing Wireless Settings Your CG834WG Gateway has wireless settings disabled by default.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. - Page 25 Wireless Cable Modem Gateway CG834WG User Manual The settings in the Wireless Settings screen are explained in the following table. Table 2-1. Wireless Settings Settings Description Wireless Network Name (SSID) The SSID is also known as the wireless network name. Enter a 32-character (maximum) name in this field.
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Page 26: 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 CG834WG 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 27 Wireless Cable Modem Gateway CG834WG User Manual 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. Note: If you are configuring the gateway from a wireless computer, make sure to add your computer’s MAC address to the Access List.
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Page 28: Configuring Wep (Wired Equivalent Privacy)
Wireless Cable Modem Gateway CG834WG User Manual b. Specify the MAC address of the device to be added to the Access List in the Add Access Filter fields. The MAC address can usually be found on the bottom of the wireless device. - Page 29 Wireless Cable Modem Gateway CG834WG User Manual Scroll down to the bottom of the Wireless Settings screen to view WEP encryption settings: Figure 2-3 5. Select the Authentication. Choose Open System, Shared Key, or Open System or Shared Key. The default is Open System.
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Page 30: Configuring Wpa
Wireless Cable Modem Gateway CG834WG User Manual Configuring 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 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 CG834WG Gateway to protect your network. Note: You must log in as a parent (superuser) in order to access content filtering features. -
Page 32: Blocking Keywords, Sites, And Services
Allowing access to only websites that you specify as allowed. Blocking Keywords and Domains The CG834WG 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. - Page 33 Wireless Cable Modem Gateway CG834WG User Manual 2. Select Block Sites, and the Block Sites screen displays: Figure 3-2 3. To use Keyword Blocking, select the Enable check box for Keyword Blocking. You can enter up to eight keywords. •...
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Page 34: Services
Wireless Cable Modem Gateway CG834WG User Manual • To allow access to only the domains in the Domain List, select Allow Domains. If the domain “goodstuff.com” is specified, you will be able to access only sites on the goodstuff site. -
Page 35: Firewall Rules
Wireless Cable Modem Gateway CG834WG User Manual Table 3-1. Services (continued) Settings Description Web Features Filter Proxy Filter Cookies Filter Java Applets Filter ActiveX Filter Popup Windows Block Fragmented IP Packets Firewall Rules A firewall has two default rules, one for inbound traffic (WAN to LAN) and one for outbound traffic. -
Page 36: Port Forwarding
Wireless Cable Modem Gateway CG834WG User Manual 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. Select Port Forwarding below the... -
Page 37: Port Blocking
Wireless Cable Modem Gateway CG834WG User Manual Considerations for Port Forwarding • If the IP address of the local server PC is assigned by DHCP, it may change when the PC is rebooted. To avoid this, you can assign a static IP address to your server outside the range that is assigned by DHCP, but in the same subnet as the rest of your LAN. - Page 38 Wireless Cable Modem Gateway CG834WG User Manual • Add Custom Service. If the service you would like to block is not in the predefined list, you can add a custom service. Enter the range of ports you would like to block and select whether the ports are TCP, UDP or Both.
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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 CG834WG Gateway. These tasks are grouped under the Maintenance heading and Advanced heading. Log in to the gateway at its default LAN address of http://192.168.0.1... - Page 40 Wireless Cable Modem Gateway CG834WG User Manual The Gateway Status screen fields are explained in the following table. Table 4-1. Gateway Status Fields Field Description Information Standard Specification The specification to which the gateway’s cable interface is Compliant compatible. Hardware Version The hardware version of the gateway.
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Page 41: Viewing The Connection Status
Wireless Cable Modem Gateway CG834WG User Manual Viewing the Connection Status You can use the Connection screen 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. -
Page 42: Setting Passwords
Note: The user name and password are not the same as any user name or password your might 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: Resetting To Factory Default Settings
Wireless Cable Modem Gateway CG834WG User Manual Resetting to Factory Default Settings You can erase the gateway configuration and reset it to the factory default settings from the Set Password screen. Figure 4-4 The factory default settings are shown in See “Factory Default Settings”... -
Page 44: Backup Settings
Wireless Cable Modem Gateway CG834WG User Manual 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. Select Backup to go to the... -
Page 45: Event Log
Wireless Cable Modem Gateway CG834WG User Manual Event Log The gateway logs security-related events such as denied incoming service requests and hacker probes. You can enable e-mail notification to receive these logs in an e-mail message. Figure 4-6 For information about e-mail notifications, see “Logs”... - Page 46 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.
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Page 47: Advanced Settings
Wireless Cable Modem Gateway CG834WG User Manual Advanced Settings These features are for advanced users. For firewall rules, port blocking, port forwarding, and port triggering, see Chapter 3, “Content Filtering and Firewall Rules”. MAC Filtering By default, any PC that can connect to your gateway has Internet access. You can use MAC filtering to block Internet access for specific PCs based on their MAC addresses. -
Page 48: Dmz Host
Wireless Cable Modem Gateway CG834WG User Manual 2. In the Add MAC Filter field, specify the device name, and then click Add. Note: If a device is listed in the Trusted Device table, you can select its radio button to capture the MAC address. To add a device that is not listed, type a descriptive name and then enter the MAC address for the device. -
Page 49: Lan Ip Settings
Wireless Cable Modem Gateway CG834WG User Manual LAN IP Settings The LAN IP Setup screen allows configuration of LAN IP services such as the IP address of the gateway and DHCP. Figure 4-10 You can use the LAN IP screen to configure your local area network. The DHCP and TCP/IP default values work in most cases. -
Page 50: Remote Management Access
Wireless Cable Modem Gateway CG834WG User Manual 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 CG834WG Gateway. To configure your gateway for Remote Management: 1. -
Page 51: Upnp
Wireless Cable Modem Gateway CG834WG User Manual URL to Connect to This Device To manage this gateway via the Internet, you need to its public IP Address, as seen from the Internet. This public IP Address is allocated by your ISP, and is shown on this screen. But if your ISP account uses a dynamic IP Address, the address can change each time you connect to your ISP. - Page 52 Wireless Cable Modem Gateway CG834WG User Manual 4-14 v1.0, October 2007...
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Page 53: Troubleshooting
Chapter 5 Troubleshooting This chapter gives information about troubleshooting your CG834WG 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 access the gateway configuration with my browser. -
Page 54: Using Leds To Troubleshoot
Wireless Cable Modem Gateway CG834WG User 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 Action All LEDS are off when the gateway Make sure that the power cord is properly connected to your gateway is plugged in. -
Page 55: Troubleshooting The Isp Connection
Wireless Cable Modem Gateway CG834WG User Manual • 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. -
Page 56: Troubleshooting A Tcp/Ip Network Using A Ping Utility
Wireless Cable Modem Gateway CG834WG User 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
Wireless Cable Modem Gateway CG834WG User Manual 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>... - Page 58 Wireless Cable Modem Gateway CG834WG User Manual v1.0, October 2007...
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Page 59: Technical Specifications And Factory Default Settings
Appendix A Technical Specifications and Factory Default Settings This appendix provides technical specifications for the CG834WG Gateway. Technical Specifications Network Protocol and Standards Compatibility Data and Routing Protocols: • TCP/IP • DHCP server and client • DNS relay • NAT (many-to-one) •... -
Page 60: Factory Default Settings
Wireless Cable Modem Gateway CG834WG User Manual Operating Frequency Ranges: 2.412~2.462 GHz (US) 2.412~2.472 GHz (Japan) 2.412~2.472 GHz (Europe ETSI) Encryption: 40-bit (also called 64-bit), 128-bit WEP data encryption, WPA-PSK(TKIP), and WPA2-PSK(AES) 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 Wireless Cable Modem Gateway CG834WG User Manual Table A-1. Default Configuration Settings Feature Default Behavior Firewall Inbound (communications coming in from Disabled (except traffic on port 80, the http port) the Internet) Outbound (communications going out to Enabled (all) the Internet)
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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 Link Windows XP and Vista Wireless http://documentation.netgear.com/reference/enu/winzerocfg/index.htm Configuration Utilities Internet Networking and TCP/IP http://documentation.netgear.com/reference/enu/tcpip/index.htm...
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