NETGEAR DG834GT Reference Manual
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NETGEAR DG834GT Reference Manual

NETGEAR DG834GT Reference Manual

108 mbps super wireless adsl router
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Reference Manual for the
Model DG834GT 108
Mbps Super Wireless
ADSL Router
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Phone 1-888-NETGEAR
202-10053-01 REFGD
August 2004
August 2004

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  • Page 1 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone 1-888-NETGEAR 202-10053-01 REFGD August 2004 August 2004...
  • Page 2 EN 55 022 Declaration of Conformance This is to certify that the DG834GT 108 Mbps Super Wireless ADSL Router is shielded against the generation of radio interference in accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by the application of EN 55 022 Class B (CISPR 22).
  • Page 3 Certificate of the Manufacturer/Importer It is hereby certified that the DG834GT 108 Mbps Super Wireless ADSL Router 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 August 2004...

  • Page 5: Table Of Contents

    Chapter 1 About This Guide Audience, Conventions, Scope ...1-1 How to Use this Manual ...1-2 How to Print this Manual ...1-3 Chapter 2 Introduction About the Router ...2-1 Key Features ...2-2 802.11g Wireless Networking ...2-2 A Powerful, True Firewall ...2-3 Easy Installation and Management ...2-3 Protocol Support ...2-4 Content Filtering ...2-5...
  • Page 6 Choosing WEP Authentication and Security Encryption Methods ... 4-11 Authentication Type Selection ... 4-11 Encryption Choices ...4-12 How to Configure WEP ...4-13 How to Configure WPA-PSK ...4-14 Chapter 5 Protecting Your Network Protecting Access to Your DG834GT 108 Mbps Super Wireless ADSL Router ...5-1 August 2004 Contents...
  • Page 7 How to Change the Built-In Password ...5-1 Changing the Administrator Login Timeout ...5-2 Configuring Basic Firewall Services ...5-2 Blocking Keywords, Sites, and Services ...5-3 How to Block Keywords and Sites ...5-3 Firewall Rules ...5-5 Inbound Rules (Port Forwarding) ...5-6 Inbound Rule Example: A Local Public Web Server ...5-6 Inbound Rule Example: Allowing Videoconferencing ...5-8 Considerations for Inbound Rules ...5-9 Outbound Rules (Service Blocking) ...5-9...
  • Page 8 Enabling Security Event E-mail Notification ...6-13 Running Diagnostic Utilities and Rebooting the Router ...6-14 Enabling Remote Management ...6-15 Configuring Remote Management ...6-15 Chapter 7 Advanced Configuration Configuring Advanced Security ...7-1 Setting Up A Default DMZ Server ...7-1 How to Configure a Default DMZ Server ...7-2 Connect Automatically, as Required ...7-3 Disable Port Scan and DOS Protection ...7-3 Respond to Ping on Internet WAN Port ...7-3...
  • Page 9 Troubleshooting PPPoE or PPPoA ...8-6 Troubleshooting Internet Browsing ...8-6 Troubleshooting a TCP/IP Network Using the Ping Utility ...8-7 Testing the LAN Path to Your Router ...8-7 Testing the Path from Your Computer to a Remote Device ...8-8 Restoring the Default Configuration and Password ...8-9 Using the Reset button ...8-9 Problems with Date and Time ...8-9 Appendix A...
  • Page 10 Appendix C Preparing Your Network Preparing Your Computers for TCP/IP Networking ... C-1 Configuring Windows 95, 98, and Me for TCP/IP Networking ... C-2 Installing or Verifying Windows Networking Components ... C-2 Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me Selecting the Windows’...
  • Page 11 Overview of WEP Parameters ... D-5 Key Size ... D-6 WEP Configuration Options ... D-7 Wireless Channels ... D-7 WPA Wireless Security ... D-8 How Does WPA Compare to WEP? ... D-9 How Does WPA Compare to IEEE 802.11i? ... D-10 What are the Key Features of WPA Security? ...
  • Page 12 Contents August 2004...

  • Page 13: About This Guide

    Screen text, file and server names, extensions, commands, IP addresses mono space Note: This format is used to highlight information of importance or special interest. This manual is written for the DG834GT Super Wireless ADSL Router according to these specifications: Table 1-1.

  • Page 14: How To Use This Manual

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router How to Use this Manual The HTML version of this manual includes these features. Figure 1 -1: HTML version of this manual 1. Left pane. Use the left pane to view the Contents, Index, Search, and Favorites tabs.

  • Page 15: How To Print This Manual

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router How to Print this Manual To print this manual you can choose one of the following several options, according to your needs. • Printing a “How To” Sequence of Steps in the HTML View. Use the Print button on the upper right of the toolbar to print the currently displayed topic.
  • Page 16 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router About This Guide August 2004...

  • Page 17: Introduction

    This chapter describes the features of the NETGEAR DG834GT 108 Mbps Super Wireless ADSL Router. The DG834GT Super Wireless ADSL Router is a combination of a built-in ADSL modem, router, 4-port switch, firewall, and up to 108 Mbps wireless access point that enables your entire network to safely share an Internet connection that otherwise is used by a single computer.

  • Page 18: Key Features

    802.11b devices or dedicating the wireless network to the higher bandwidth 802.11g or 108 Mbps only devices: — Auto 108 Mbps mode (i.e., all 802.11g, 802.11b, and Netgear 108 Mbps wireless stations can be used; this mode is the second fastest mode) —...

  • Page 19: A Powerful, True Firewall

    Wireless network name broadcast can be turned off so that only devices that have the network name (SSID) can connect. A Powerful, True Firewall Unlike simple Internet sharing NAT routers, the DG834GT is a true firewall, using stateful packet inspection to defend against hacker attacks. Its firewall features include: •...

  • Page 20: Protocol Support

    The Ability to Enable or Disable IP Address Sharing by NAT The DG834GT allows several networked PCs to share an Internet account using only a single IP address, which may be statically or dynamically assigned by your Internet service provider (ISP).

  • Page 21: Content Filtering

    Auto Sensing and Auto Uplink™ LAN Ethernet Connections With its internal 4-port 10/100 switch, the DG834GT can connect to either a 10 Mbps standard Ethernet network or a 100 Mbps Fast Ethernet network. The local LAN ports are autosensing and capable of full-duplex or half-duplex operation.

  • Page 22: What's In The Box

    • Warranty and Support Information cards If any of the parts are incorrect, missing, or damaged, contact your NETGEAR dealer. Keep the carton, including the original packing materials, in case you need to return the product for repair. The Router’s Front Panel The DG834GT 108 Mbps Super Wireless ADSL Router front panel shown below contains status LEDs.
  • Page 23 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Power Test Internet Wireless Figure 2-2: DG834GT Front Panel You can use the LEDs to verify various conditions. Table 2-1 lists and describes each LED on the front panel of the router. These LEDs are green when lit.

  • Page 24: The Router's Rear Panel

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Table 2-1. LED Descriptions Label Activity Power Test Wireless Internet Blink -- Amber On -- Green Blink -- Green On (Green) Blink (Green) On (Amber) Blink (Amber) The Router’s Rear Panel The rear panel of the DG834GT 108 Mbps Super Wireless ADSL Router port connections.
  • Page 25 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router ADSL Internet Figure 2-3: DG834GT Rear Panel Viewed from left to right, the rear panel contains the following elements: • ADSL port for connecting the router to an ADSL line •...
  • Page 26 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router 2-10 Introduction August 2004...

  • Page 27: Connecting The Router To The Internet

    Active Internet service such as that provided by an ADSL account. The Internet Service Provider (ISP) configuration information for your DSL account. Note: If you purchased the DG834GT in a country where a microfilter is not included, you must acquire one.

  • Page 28: Adsl Microfilter With Built-In Splitter

    Each device such as a telephone, fax machine, answering machine, or caller ID display will require an ADSL microfilter. Note: Do not connect the DG834GT to the ADSL line through a microfilter unless the microfilter is a combination microfilter/splitter specifically designed for this purpose. Doing so will prevent the built-in ADSL modem in the DG834GT from establishing a connection to the Internet.

  • Page 29: Internet Configuration Requirements

    For Macintosh computers, open the TCP/IP or Network control panel. • You can also refer to the DG834GT Resource CD for the NETGEAR Router ISP Guide which provides Internet connection information for many ISPs. Once you locate your Internet configuration parameters, you may want to record them on the next page.
  • Page 30 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router ISP Multiplexing Method and Virtual Circuit Number: The default settings of your DG834GT 108 Mbps Super Wireless ADSL Router will work fine for most ISPs. However, some ISPs use a specific Multiplexing Method or a Virtual Circuit Number for either the Virtual Path Identifier (VPI) or Virtual Channel Identifier (VCI).

  • Page 31: Connecting The Dg834Gt To Your Lan

    Two-Line Filter With Splitter Figure 3-3: ADSL microfilters Note: If you purchased the DG834GT in a country where the filter is not included, you must acquire one. Two-Line Filter Example. Insert the two-line filter into the phone outlet and connect the...
  • Page 32 Note: Improperly connecting a filter to your DG834GT Super Wireless ADSL Router will block your ADSL connection. Turn off your computer. Connect the ADSL port of the DG834GT to the ADSL port (B) of the two-line filter: ADSL F TO THE...
  • Page 33 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 3-5: Connecting the DG834GT Super Wireless ADSL Router to an ADSL microfilter and phone Connect the Ethernet cable (C) from your DG834GT’s LAN port to the Ethernet adapter in your computer. Connecting the Router to the Internet...
  • Page 34 Cancel it if it starts automatically. Verify the following: The local lights are lit for any connected computers. Note: For instructions on connecting computers to the DG834GT via wireless links, please Chapter 4, “Wireless Configuration”.
  • Page 35 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router DG834GT. OG IN TO THE Note: Your computer needs to be configured for DHCP. For instructions on configuring for DHCP, please see Appendix C, “Preparing Your Connect to the router by typing or Netscape Navigator.

  • Page 36: Auto-Detecting Your Internet Connection Type

    Internet. There are two ways you can configure your router to connect to the Internet: Let the DG834GT auto-detect the type of Internet connection you have and configure it. “Auto-Detecting Your Internet Connection Type” on page 3-10 Manually choose which type of Internet connection you have and configure it.

  • Page 37: Wizard-Detected Pppoe Login Account Setup

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Note: If instead of the Setup Wizard menu, the main menu of the router’s Configuration Manager as shown in Figure 3-15 bring up this menu. You must select a country and language. Language choices are English, French, German, and Italian.

  • Page 38: Wizard-Detected Pppoa Login Account Setup

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 3-10: Setup Wizard menu for PPPoE login accounts Enter the PPPoE login user name and password. Wizard-Detected PPPoA Login Account Setup If the Setup Wizard determines that your Internet service account uses a login protocol such as...

  • Page 39: Wizard-Detected Ip Over Atm Account Setup

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 3-12: Setup Wizard menu for Dynamic IP address Click Apply to set Dynamic IP as the connection method. Wizard-Detected IP Over ATM Account Setup If the Setup Wizard determines that your Internet service account uses IP over ATM Classical IP...

  • Page 40: Wizard-Detected Fixed Ip (Static) Account Setup

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Click the Test button to test your Internet connection. If the NETGEAR Web site does not appear within one minute, refer to Wizard-Detected Fixed IP (Static) Account Setup...

  • Page 41: Testing Your Internet Connection

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Click Apply to save the settings. Click the Test button to test your Internet connection. If the NETGEAR Web site does not appear within one minute, refer to Testing Your Internet Connection After completing the Internet connection configuration, your can test your Internet connection.

  • Page 42: How To Perform Manual Configuration

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router ISP Does Not Require Login Figure 3-15: Basic Settings menu How to Perform Manual Configuration We recommend that you start the manual configuration from the Setup Wizard: Select your country and language. Language choices are English, French, German, and Italian.

  • Page 43: Internet Connection Requires Login And Uses Pppoe

    IP addresses (192.168.0.x) to LAN connected devices. When NAT is disabled, only standard routing is performed by this router. Classical routing lets you directly manage the IP addresses the DG834GT uses. Classical routing should be selected only by experienced users.

  • Page 44: Internet Connection Requires Login And Uses Pppoa

    Note: Disabling NAT will reboot the router and reset all the DG834GT configuration settings to the factory default. Disable NAT only if you plan to install the DG834GT in a setting where you will be manually administering the IP address space on the LAN side of the router.

  • Page 45: Internet Connection Does Note Require A Login

    Note: Disabling NAT will reboot the router and reset all the DG834GT configuration settings to the factory default. Disable NAT only if you plan to install the DG834GT in a setting where you will be manually administering the IP address space on the LAN side of the router...

  • Page 46: Adsl Settings

    “Troubleshooting”. ADSL Settings The default settings of your DG834GT 108 Mbps Super Wireless ADSL Router will work fine for most ISPs. However, some ISPs use a specific Multiplexing Method and Virtual Circuit Number for the Virtual Path Identifier (VPI) and Virtual Channel Identifier (VCI).

  • Page 47: Wireless Configuration

    This chapter describes how to configure the wireless features of your DG834GT 108 Mbps Super Wireless ADSL Router. Considerations for a Wireless Network In planning your wireless network, you should consider the level of security required. You should also select the physical placement of your router in order to maximize the network speed. For further information, refer to Appendix D, “Wireless Networking...

  • Page 48: Implement Appropriate Wireless Security

    Restrict Access Based on MAC Address. You can allow only trusted PCs to connect so that unknown PCs cannot wirelessly connect to the DG834GT. Restricting access by MAC address adds an obstacle against unwanted access to your network, but the data broadcast over the wireless link is fully exposed.

  • Page 49: Understanding Wireless Settings

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Turn Off the Broadcast of the Wireless Network Name SSID. If you disable broadcast of the SSID, only devices that have the correct SSID can connect. This nullifies wireless network ‘discovery’...
  • Page 50 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 4-2: Wireless Settings menu The following parameters are in the Wireless Settings menu: • Wireless Network. — Name (SSID). The Service Set ID, also known as the wireless network name. Enter a value of up to 32 alphanumeric characters.
  • Page 51 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Note: This value is case sensitive. For example, Wireless is not the same as wireless. — Region. Select your region from the drop-down list. This field displays the region of operation for which the wireless interface is intended.
  • Page 52 • If Shared or Open Network Authentication is enabled, you can choose 64- or 128-bit WEP data encryption. Note: With Open Network Authentication and 64- or 128-bit WEP Data Encryption, the DG834GT does perform 64- or 128-bit data encryption but does not perform any authentication. Security Encryption (WEP) Key These key values must be identical on all wireless devices in your network (key 1 must be the same for all, key 2 must be the same for all, and so on).

  • Page 53: How To Set Up And Test Basic Wireless Connectivity

    32 alphanumeric characters. The default SSID is Wireless. Note: The SSID of any wireless access adapters must match the SSID you configure in the DG834GT 108 Mbps Super Wireless ADSL Router. If they do not match, you will not get a wireless connection to the DG834GT.

  • Page 54: How To Restricting Wireless Access To Your Network

    By default, any wireless PC that is configured with the correct SSID will be allowed access to your wireless network. For increased security, the DG834GT 108 Mbps Super Wireless ADSL Router provides several ways to restrict wireless access to your network: •...

  • Page 55: Restricting Access To Your Network By Turning Off Wireless Connectivity

    (SSID) you configure in the DG834GT Super Wireless ADSL Router. Note: The SSID of any wireless access adapters must match the SSID you configure in the DG834GT 108 Mbps Super Wireless ADSL Router. If they do not match, you will not get a wireless connection to the DG834GT.
  • Page 56 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 4-5. Wireless Access menu Select the Turn Access Control On check box to enable restricting wireless computers by their MAC addresses. If the wireless station is currently connected to the network, you can select it from the Available Wireless Stations list.

  • Page 57: Choosing Wep Authentication And Security Encryption Methods

    Make sure the Turn Access Control On check box is selected, then click Apply. Now, only devices on this list will be allowed to wirelessly connect to the DG834GT. This prevents unauthorized access to your network.

  • Page 58: Encryption Choices

    If you require strong security, use both the Shared Key and WEP encryption settings. Set your wireless adapter according to the authentication scheme you choose for the DG834GT Super Wireless ADSL Router. Please refer to for a full explanation of each of these options, as defined by the IEEE 802.11g wireless communication standard.

  • Page 59: How To Configure Wep

    Be sure you clearly understand how the WEP key settings are configured in your wireless adapter. Wireless adapter configuration utilities such as the one included in Windows XP only allow entry of one key which must match the default key you set in the DG834GT. Wireless Configuration http://192.168.0.1...

  • Page 60: How To Configure Wpa-Psk

    LAN address and password you have set up. Click Wireless Settings in the Setup section of the main menu of the DG834GT. Choose the WPA-PSK radio button. The WPA-PSK menu will open.

  • Page 61: Protecting Your Network

    This chapter describes how to use the basic firewall features of the DG834GT 108 Mbps Super Wireless ADSL Router to protect your network. Protecting Access to Your DG834GT 108 Mbps Super Wireless ADSL Router For security reasons, the router 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.

  • Page 62: Changing The Administrator Login Timeout

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 5-2: Set Password menu To change the password, first enter the old password, and then enter the new password twice. Click Apply to save your changes. Note: After changing the password, you will be required to log in again to continue the configuration.

  • Page 63: Blocking Keywords, Sites, And Services

    The section below explains how to configure your How to Block Keywords and Sites The DG834GT Super Wireless ADSL Router allows you to restrict access to Internet content based on functions such as Web addresses and Web address keywords. Log in to the router at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of password, or using whatever Password and LAN address you have chosen for the router.
  • Page 64 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 5-3: Block Sites menu To enable keyword blocking, select one of the following: • Per Schedule—to turn on keyword blocking according to the settings on the Schedule page.

  • Page 65: Firewall Rules

    See “Order of Precedence for Rules” on page 5-11 To access the rules configuration of the DG834GT, click the Firewall Rules link on the main menu, then click Add for either an Outbound or Inbound Service. Figure 5-4: Rules menu Protecting Your Network for more details.

  • Page 66: Inbound Rules (Port Forwarding)

    OK. Inbound Rules (Port Forwarding) Because the DG834GT uses Network Address Translation (NAT), your network presents only one IP address to the Internet, and outside users cannot directly address any of your local computers. However, by defining an inbound rule you can make a local server (for example, a Web server or game server) visible and available to the Internet.
  • Page 67 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router A Local Public Web Server Figure 5-5: Rule example: The parameters are: • Service From this list, select the application or service to be allowed or blocked. The list already displays many common services, but you are not limited to these choices.

  • Page 68: Inbound Rule Example: Allowing Videoconferencing

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • WAN Users These settings determine which packets are covered by the rule, based on their source (WAN) IP address. Select the desired option: • Any — all IP addresses are covered by this rule.

  • Page 69: Considerations For Inbound Rules

    WAN IP address will fail. Outbound Rules (Service Blocking) The DG834GT allows you to block the use of certain Internet services by computers on your network. This is called service blocking or port filtering. You can define an outbound rule to block Internet access from a local computer based on: •...

  • Page 70: Outbound Rule Example: Blocking Instant Messenger

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Following is an application example of outbound rules: Outbound Rule Example: Blocking Instant Messenger If you want to block Instant Messenger usage by employees during working hours, you can create an outbound rule to block that application from any internal IP address to any external address according to the schedule that you have created in the Schedule menu.

  • Page 71: Order Of Precedence For Rules

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • LAN Users These settings determine which packets are covered by the rule, based on their source LAN IP address. Select the desired option: • Any — all IP addresses are covered by this rule.

  • Page 72: Services

    1024 to 65535 by the authors of the application. Although the DG834GT already holds a list of many service port numbers, you are not limited to these choices. Use the procedure below to create your own service definitions.

  • Page 73: How To Define Services

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router How to Define Services Log in to the router at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of password, or using whatever Password and LAN address you have chosen for the router.

  • Page 74: Setting Times And Scheduling Firewall Services

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Setting Times and Scheduling Firewall Services The DG834GT Super Wireless ADSL Router uses the Network Time Protocol (NTP) to obtain the current time and date from one of several Network Time Servers on the Internet.

  • Page 75: How To Schedule Firewall Services

    Enabling Daylight Savings Time will cause one hour to be added to the standard time. The router has a list of NETGEAR NTP servers. If you would prefer to use a particular NTP server as the primary server, enter its IP address under Use this NTP Server.
  • Page 76 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router 5-16 Protecting Your Network August 2004...

  • Page 77: Managing Your Network

    This chapter describes how to perform network management tasks with your DG834GT 108 Mbps Super Wireless ADSL Router. Backing Up, Restoring, or Erasing Your Settings The configuration settings of the DG834GT Super Wireless ADSL Router are stored in a configuration file in the router. This file can be backed up to your computer, restored, or reverted to factory default settings.

  • Page 78: How To Restore The Configuration From A File

    2-9. Upgrading the Router’s Firmware The software of the DG834GT Super Wireless ADSL Router is stored in FLASH memory, and can be upgraded as new software is released by NETGEAR. Upgrade files can be downloaded from NETGEAR's Web site. If the upgrade file is compressed (.ZIP file), you must first extract the binary (.BIN or.IMG) file before uploading it to the router.

  • Page 79: How To Upgrade The Router Firmware

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router How to Upgrade the Router Firmware Note: NETGEAR recommends that you back up your configuration before doing a firmware upgrade. After the upgrade is complete, you may need to restore your configuration settings.

  • Page 80: Network Management Information

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Network Management Information The DG834GT provides a variety of status and usage information which is discussed below. Viewing Router Status and Usage Statistics From the Main Menu, under Maintenance, select Router Status to view the screen in Figure 6-3.
  • Page 81 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Table 6-1. Menu 3.2 - Router Status Fields Field Account Name Firmware Version ADSL Port MAC Address IP Address DHCP IP Subnet Mask Domain Name Server (DNS) This field displays the DNS Server IP addresses being used by the...
  • Page 82 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 6-4: Router Statistics screen This screen shows the following statistics:. Table 6-1. Router Statistics Fields Field Description WAN, LAN, or The statistics for the WAN (Internet), LAN (local), and Serial ports. For each port, the...
  • Page 83 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 6-5: Connection Status screen for Dynamic IP Clicking the Renew button updates the status information. This screen shows the following statistics: Table 6-1. Connection Status Fields for Dynamic IP...
  • Page 84 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router An alternate view of the Connection Status screen is shown in Figure 6-6: Connection Status screen for PPPoA Clicking the Renew button updates the status information. This screen shows the following statistics: Table 6-1.

  • Page 85: Viewing Attached Devices

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Viewing Attached Devices The Attached Devices menu contains a table of all IP devices that the router has discovered on the local network. From the Main Menu of the browser interface, under the Maintenance heading,...
  • Page 86 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure 6-8: Security Logs menu Log entries are described in Table 6-1 below: 6-10 Managing Your Network August 2004...

  • Page 87: Selecting What Information To Log

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Table 6-1. Security Log entry descriptions Field Description Date and Time The date and time the log entry was recorded. Description or The type of event and what action was taken if any.

  • Page 88: Saving Log Files On A Server

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Saving Log Files on a Server You can choose to write the logs to a computer running a syslog program. To activate this feature, select to Broadcast on Lan or enter the IP address of the server where the Syslog file will be written.

  • Page 89: Enabling Security Event E-Mail Notification

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Enabling Security Event E-mail Notification In order to receive logs and alerts by e-mail, you must provide your e-mail information in the E-mail subheading: Figure 6-9: E-mail menu •...

  • Page 90: Running Diagnostic Utilities And Rebooting The Router

    In this case, the router overwrites the log and discards its contents. Running Diagnostic Utilities and Rebooting the Router The DG834GT Super Wireless ADSL Router has a diagnostics feature. You can use the diagnostics menu to perform the following functions from the router: •...

  • Page 91: Enabling Remote Management

    Using the Remote Management page, you can allow a user or users on the Internet to configure, upgrade and check the status of your DG834GT 108 Mbps Super Wireless ADSL Router. Note: Be sure to change the router's default password to a very secure password. The ideal password should contain no dictionary words from any language, and should be a mixture of letters (both upper and lower case), numbers, and symbols.
  • Page 92 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router When accessing your router from the Internet, you will type your router's WAN IP address in your browser's Address (in IE) or Location (in Netscape) box, followed by a colon (:) and the custom port number.

  • Page 93: Advanced Configuration

    This chapter describes how to configure the advanced features of your DG834GT 108 Mbps Super Wireless ADSL Router. Configuring Advanced Security The DG834GT 108 Mbps Super Wireless ADSL Router provides a variety of advanced features, such as: • Setting up a Demilitarized Zone (DMZ) Server •...

  • Page 94: How To Configure A Default Dmz Server

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Note: For security reasons, you should avoid using the Default DMZ Server feature. When a computer is designated as the Default DMZ Server, it loses much of the protection of the firewall, and is exposed to many exploits from the Internet.

  • Page 95: Connect Automatically, As Required

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Connect Automatically, as Required Normally, this option should be enabled, so that an Internet connection will be made automatically, whenever Internet-bound traffic is detected. If this causes high connection costs, you can disable this setting.
  • Page 96 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router These addresses are part of the Internet Engineering Task Force (IETF)-designated private address range for use in private networks, and should be suitable in most applications. If your network has a requirement to use a different IP addressing scheme, you can make those changes in this menu.

  • Page 97: Dhcp

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • RIP Version This controls the format and the broadcasting method of the RIP packets that the router sends. It recognizes both formats when receiving. By default, this is set for RIP-1.

  • Page 98: Reserved Ip Addresses

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • An IP Address from the range you have defined • Subnet Mask • Gateway IP Address is the router’s LAN IP address • Primary DNS Server, if you entered a Primary DNS address in the Basic Settings menu;...

  • Page 99: How To Configure Lan Tcp/Ip Settings

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router How to Configure LAN TCP/IP Settings Log in to the router at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of password, or using whatever User Name, Password and LAN address you have chosen for the router.

  • Page 100: How To Configure Dynamic Dns

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router The router contains a client that can connect to a dynamic DNS service provider. To use this feature, you must select a service provider and obtain an account with them. After you have...

  • Page 101: Using Static Routes

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Type the User Name for your dynamic DNS account. Type the Password (or key) for your dynamic DNS account. If your dynamic DNS provider allows the use of wildcards in resolving your URL, you can select the Use wildcards check box to activate this feature.

  • Page 102: How To Configure Static Routes

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router In this case you must define a static route, telling your router that 134.177.0.0 should be accessed through the ISDN router at 192.168.0.100. The static route would look like In this example: •...
  • Page 103 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router To add or edit a Static Route: Click the Edit button to open the Edit Menu, shown in Figure 7-6: Static Route Entry and Edit Menu Type a route name for this static route in the Route Name box under the table.
  • Page 104 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router 7-12 Advanced Configuration August 2004...

  • Page 105: Troubleshooting

    This chapter gives information about troubleshooting your DG834GT 108 Mbps Super Wireless ADSL Router. After each problem description, instructions are provided to help you diagnose and solve the problem. For the common problems listed, go to the section indicated. •...

  • Page 106: Power Led Not On

    • Check that you are using the 12 V DC power adapter supplied by NETGEAR for this product. If the error persists, you have a hardware problem and should contact technical support.

  • Page 107: Troubleshooting The Web Configuration Interface

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Make sure that power is turned on to the connected hub or workstation. • Be sure you are using the correct cable: — When connecting the router’s WAN ADSL port, use the cable that was supplied with the DG834GT.

  • Page 108: Troubleshooting The Isp Connection

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Click the Refresh or Reload button in the Web browser. The changes may have occurred, but the Web browser may be caching the old configuration. Troubleshooting the ISP Connection If your router is unable to access the Internet, you should check the ADSL connection, then the WAN TCP/IP connection.

  • Page 109: Obtaining A Wan Ip Address

    ADSL service. It may be necessary to use a swapper if you ADSL signal is on pins 1 and 4 or the RJ-11 jack. The DG834GT Super Wireless ADSL Router uses pins 2 and 3.

  • Page 110: Troubleshooting Pppoe Or Pppoa

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Your ISP only allows one Ethernet MAC address to connect to Internet, and may check for your computer’s MAC address. In this case: Inform your ISP that you have bought a new network device, and ask them to use the router’s MAC address.

  • Page 111: Troubleshooting A Tcp/Ip Network Using The Ping Utility

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router A DNS server is a host on the Internet that translates Internet names (such as www addresses) to numeric IP addresses. Typically your ISP will provide the addresses of one or two DNS servers for your use.

  • Page 112: Testing The Path From Your Computer To A Remote Device

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Wrong physical connections — Make sure the LAN port LED is on. If the LED is off, follow the instructions in or WAN Port LEDs Not On”...

  • Page 113: Restoring The Default Configuration And Password

    The E-mail menu in the Content Filtering section displays the current date and time of day. The DG834GT Super Wireless ADSL Router uses the Network Time Protocol (NTP) to obtain the current time from one of several Network Time Servers on the Internet. Each entry in the log is stamped with the date and time of day.
  • Page 114 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router 8-10 Troubleshooting August 2004...

  • Page 115: Technical Specifications

    This appendix provides technical specifications for the DG834GT 108 Mbps Super Wireless ADSL Router. Network Protocol and Standards Compatibility Data and Routing Protocols: Power Adapter North America: United Kingdom, Australia: Europe: Japan: All regions (output): Physical Specifications Dimensions: Weight: Environmental Specifications...
  • Page 116 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Electromagnetic Emissions Meets requirements of: Interface Specifications LAN: WAN: FCC Part 15 Class B VCCI Class B EN 55 022 (CISPR 22), Class B 10BASE-T or 100BASE-Tx, RJ-45 ADSL, RJ-11, pins 2 and 3 T1.413, G.DMT, G.Lite...

  • Page 117: Network And Routing Basics

    Routers vary in performance and scale, number of routing protocols supported, and types of physical WAN connection they support. The DG834GT 108 Mbps Super Wireless ADSL Router is a small office router that routes the IP protocol over a single-user broadband connection.

  • Page 118: Routing Information Protocol

    Information Protocol (RIP). Using RIP, routers periodically update one another and check for changes to add to the routing table. The DG834GT Super Wireless ADSL Router supports both the older RIP-1 and the newer RIP-2 protocols. Among other improvements, RIP-2 supports subnet and multicast protocols. RIP is not required for most home applications.
  • Page 119 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Class A Network Class B Network Class C Network Figure 8-1: Three Main Address Classes The five address classes are: • Class A Class A addresses can have up to 16,777,214 hosts on a single network. They use an eight-bit network number and a 24-bit node number.

  • Page 120: Netmask

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router This addressing structure allows IP addresses to uniquely identify each physical network and each node on each physical network. For each unique value of the network portion of the address, the base address of the range (host address of all zeros) is known as the network address and is not usually assigned to a host.
  • Page 121 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Subnet addressing allows us to split one IP network address into smaller multiple physical networks known as subnetworks. Some of the node numbers are used as a subnet number instead.
  • Page 122 255.255.255.240 255.255.255.248 255.255.255.252 255.255.255.254 255.255.255.255 NETGEAR strongly recommends that you configure all hosts on a LAN segment to use the same netmask for the following reasons: • So that hosts recognize local IP broadcast packets Network and Routing Basics August 2004...

  • Page 123: Private Ip Addresses

    192.168.0.0 - 192.168.255.255 NETGEAR recommends that you choose your private network number from this range. The DHCP server of the DG834GT Super Wireless ADSL Router is preconfigured to automatically assign private addresses. Regardless of your particular situation, do not create an arbitrary IP address; always follow the guidelines explained here.

  • Page 124: Mac Addresses And Address Resolution Protocol

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Private IP addresses assigned by user 192.168.0.2 192.168.0.3 192.168.0.1 192.168.0.4 192.168.0.5 Figure 8-3: Single IP Address Operation Using NAT This scheme offers the additional benefit of firewall-like protection because the internal LAN addresses are not available to the Internet through the translated connection.

  • Page 125: Related Documents

    IP addresses, along with other information (such as gateway and DNS addresses) that it may assign to the other devices on the network. The DG834GT Super Wireless ADSL Router has the capacity to act as a DHCP server.

  • Page 126: Internet Security And Firewalls

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router The DG834GT Super Wireless ADSL Router also functions as a DHCP client when connecting to the ISP. The router can automatically obtain an IP address, subnet mask, DNS server addresses, and a gateway address if the ISP provides this information by DHCP.

  • Page 127: Denial Of Service Attack

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Denial of Service Attack A hacker may be able to prevent your network from operating or communicating by launching a Denial of Service (DoS) attack. The method used for such an attack can be as simple as merely flooding your site with more requests than it can handle.

  • Page 128: Inside Twisted Pair Cables

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router 10 ft. (3 m) from the wall outlet to the desktop device The patch panel and other connecting hardware must meet the requirements for 100 Mbps operation (Category 5). Only 0.5 inch (1.5 cm) of untwist in the wire pair is allowed at any termination point.

  • Page 129: Uplink Switches, Crossover Cables, And Mdi/Mdix Switching

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Figure B-2: Crossover Twisted-Pair Cable Figure B-3: Category 5 UTP Cable with Male RJ-45 Plug at Each End Note: Flat “silver satin” telephone cable may have the same RJ-45 plug. However, using telephone cable results in excessive collisions, causing the attached port to be partitioned or disconnected from the network.
  • Page 130 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router When connecting a PC to a PC, or a hub port to another hub port, the transmit pair must be exchanged with the receive pair. This exchange is done by one of two mechanisms. Most hubs provide an Uplink switch which will exchange the pairs on one port, allowing that port to be connected to another hub using a normal Ethernet cable.

  • Page 131: Appendix C Preparing Your Network

    This appendix describes how to prepare your network to connect to the Internet through the DG834GT 108 Mbps Super Wireless ADSL Router and how to verify the readiness of broadband Internet service from an Internet service provider (ISP). Note: If an ISP technician configured your computer during the installation of a...

  • Page 132: Configuring Windows 95, 98, And Me For Tcp/Ip Networking

    DHCP server during bootup. For a detailed explanation of the meaning and purpose of these configuration items, refer to “Appendix B, “Network and Routing The DG834GT Super Wireless ADSL Router is shipped preconfigured as a DHCP server. The router assigns the following TCP/IP configuration information automatically when the PCs are rebooted: •...
  • Page 133 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router You must have an Ethernet adapter, the TCP/IP protocol, and Client for Microsoft Networks. Note: It is not necessary to remove any other network components shown in the Network window in order to install the adapter, TCP/IP, or Client for Microsoft Networks.
  • Page 134 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router If you need Client for Microsoft Networks: Click the Add button. Select Client, and then click Add. Select Microsoft. Select Client for Microsoft Networks, and then click OK.
  • Page 135 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Verify the following settings as shown: • Client for Microsoft Network exists • Ethernet adapter is present • TCP/IP is present • Primary Network Logon is set to Windows logon Click on the Properties button.

  • Page 136: Selecting The Windows' Internet Access Method

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • By default, the IP Address tab is open on this window. • Verify the following: Obtain an IP address automatically is selected. If not selected, click in the radio button to the left of it to select it.

  • Page 137: Configuring Windows Nt4, 2000 Or Xp For Ip Networking

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Type , and then click OK. winipcfg The IP Configuration window opens, which lists (among other things), your IP address, subnet mask, and default gateway. From the drop-down box, select your Ethernet adapter.

  • Page 138: Dhcp Configuration Of Tcp/Ip In Windows Xp, 2000, Or Nt4

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4 You will find there are many similarities in the procedures for different Windows systems when using DHCP to configure TCP/IP.
  • Page 139 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Now you should be at the Local Area Network Connection Status window. This box displays the connection status, duration, speed, and activity statistics. • Administrator logon access rights are needed to use this window.

  • Page 140: Dhcp Configuration Of Tcp/Ip In Windows 2000

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Verify that the Obtain an IP address automatically radio button is selected. • Verify that Obtain DNS server address automatically radio button is selected. • Click the OK button.
  • Page 141 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Click on the My Network Places icon on the Windows desktop. This will bring up a window called Network and Dial-up Connections. • Right click on Local Area Connection and select Properties.
  • Page 142 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • With Internet Protocol (TCP/IP) selected, click on Properties to open the Internet Protocol (TCP/IP) Properties dialogue box. • Verify that • Obtain an IP address automatically is selected.

  • Page 143: Dhcp Configuration Of Tcp/Ip In Windows Nt4

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router DHCP Configuration of TCP/IP in Windows NT4 Once you have installed the network card, you need to configure the TCP/IP environment for Windows NT 4.0. Follow this procedure to configure TCP/IP with DHCP in Windows NT 4.0.
  • Page 144 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • Highlight the TCP/IP Protocol in the Network Protocols box, and click on the Properties button. C-14 August 2004 Preparing Your Network...

  • Page 145: Verifying Tcp/Ip Properties For Windows Xp, 2000, And Nt4

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • The TCP/IP Properties dialog box now displays. • Click the IP Address tab. • Select the radio button marked Obtain an IP address from a DHCP server.

  • Page 146: Configuring The Macintosh For Tcp/Ip Networking

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • The default gateway is 192.168.0.1 Type exit Configuring the Macintosh for TCP/IP Networking Beginning with Macintosh Operating System 7, TCP/IP is already installed on the Macintosh. On each networked Macintosh, you need to configure TCP/IP to use DHCP.

  • Page 147: Verifying Tcp/Ip Properties For Macintosh Computers

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router If not already selected, select Built-in Ethernet in the Configure list. If not already selected, Select Using DHCP in the TCP/IP tab. Click Save. Verifying TCP/IP Properties for Macintosh Computers After your Macintosh is configured and has rebooted, you can check the TCP/IP configuration by returning to the TCP/IP Control Panel.

  • Page 148: Verifying The Readiness Of Your Internet Account

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Verifying the Readiness of Your Internet Account For broadband access to the Internet, you need to contract with an Internet service provider (ISP) for a single-user Internet access account using a cable modem or DSL modem. This modem must be a separate physical box (not a card) and must provide an Ethernet port intended for connection to a Network Interface Card (NIC) in a computer.

  • Page 149: Obtaining Isp Configuration Information For Windows Computers

    As mentioned above, you may need to collect configuration information from your PC so that you can use this information when you configure the DG834GT Super Wireless ADSL Router. Following this procedure is only necessary when your ISP does not dynamically supply the account information.

  • Page 150: Obtaining Isp Configuration Information For Macintosh Computers

    As mentioned above, you may need to collect configuration information from your Macintosh so that you can use this information when you configure the DG834GT Super Wireless ADSL Router. Following this procedure is only necessary when your ISP does not dynamically supply the account information.

  • Page 151: Restarting The Network

    Restart any computer that is connected to the firewall. After configuring all of your computers for TCP/IP networking and restarting them, and connecting them to the local network of your DG834GT Super Wireless ADSL Router, you are ready to access and configure the router.
  • Page 152 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router C-22 Preparing Your Network August 2004...

  • Page 153: Wireless Networking Basics

    This chapter provides an overview of Wireless networking. Wireless Networking Overview The DG834GT Super Wireless ADSL Router conforms to the Institute of Electrical and Electronics Engineers (IEEE) 802.11b and 802.11g standards for wireless LANs (WLANs). On an 802.11b or g wireless link, data is encoded using direct-sequence spread-spectrum (DSSS) technology and is transmitted in the unlicensed radio spectrum at 2.5 GHz.

  • Page 154: Ad Hoc Mode (Peer-To-Peer Workgroup

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Ad Hoc Mode (Peer-to-Peer Workgroup) In an ad hoc network, computers are brought together as needed; thus, there is no structure or fixed points to the network - each node can generally communicate with any other node. There is no Access Point involved in this configuration.

  • Page 155: 802.11 Authentication

    The 802.11 standard defines several services that govern how two 802.11 devices communicate. The following events must occur before an 802.11 Station can communicate with an Ethernet network through an access point, such as the one built in to the DG834GT: Turn on the wireless station.

  • Page 156: Shared Key Authentication

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router The access point authenticates the station. The station associates with the access point and joins the network. This process is illustrated below. 802.11b Authentication Open System Steps 1) Authentication request sent to AP...

  • Page 157: Key Size

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router 802.11b Authentication Shared Key Steps 1) Authentication request sent to AP 2) AP sends challenge text Client 3) Client encrypts attempting challenge text and to connect sends it back to AP...

  • Page 158: Key Size

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Key Size The IEEE 802.11 standard supports two types of WEP encryption: 40-bit and 128-bit. The 64-bit WEP data encryption method allows for a five-character (40-bit) input. Additionally, 24 factory-set bits are added to the forty-bit input to generate a 64-bit encryption key.

  • Page 159: Wep Configuration Options

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router WEP Configuration Options The WEP settings must match on all 802.11 devices that are within the same wireless network as identified by the SSID. In general, if your mobile clients will roam between access points, then all of the 802.11 access points and all of the 802.11 client adapters on the network must have the same...

  • Page 160: Wpa Wireless Security

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Table D-2: 802.11b/g Radio Frequency Channels Channel Center Frequency 2412 MHz 2417 MHz 2422 MHz 2427 MHz 2432 MHz 2437 MHz 2442 MHz 2447 MHz 2452 MHz 2457 MHz...

  • Page 161: How Does Wpa Compare To Wep

    Access products. Starting August of 2003, all new Wi-Fi certified products will have to support WPA. NETGEAR will implement WPA on client and access point products and make this available in the second half of 2003. Existing Wi-Fi certified products will have one year to add WPA support or they will lose their Wi-Fi certification.

  • Page 162: How Does Wpa Compare To Ieee 802.11I

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router For 802.11, WEP encryption is optional. For WPA, encryption using Temporal Key Integrity Protocol (TKIP) is required. TKIP replaces WEP with a new encryption algorithm that is stronger than the WEP algorithm, but that uses the calculation facilities present on existing wireless devices to perform encryption operations.
  • Page 163 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router The strength of WPA comes from an integrated sequence of operations that encompass 802.1X/ EAP authentication and sophisticated key management and encryption techniques. Its major operations include: •...

  • Page 164: Wpa Authentication: Enterprise-Level User Authentication Via 802.1X/Eap And Radius

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router WPA Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS Wireless LAN WPA enabled Access Point enabled wireless pre-shared key client with “supplicant” 802.1x Figure D-3: WPA Overview IEEE 802.1x offers an effective framework for authenticating and controlling user traffic to a protected network, as well as providing a vehicle for dynamically varying data encryption keys via EAP from a RADIUS server, for example.
  • Page 165 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Client with a WPA- enabled wireless adapter and supplicant (Win XP, Funk, Meetinghouse) Figure D-4: 802.1x Authentication Sequence The AP sends Beacon Frames with WPA information element to the stations in the service set.

  • Page 166: Wpa Data Encryption Key Management

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router The client sends an EAP-response packet containing the identity to the authentication server. The access point responds by enabling a port for passing only EAP packets from the client to an authentication server located on the wired side of the access point.
  • Page 167 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Temporal Key Integrity Protocol (TKIP) WPA uses TKIP to provide important data encryption enhancements including a per-packet key mixing function, a message integrity check (MIC) named Michael, an extended initialization vector (IV) with sequencing rules, and a re-keying mechanism.

  • Page 168: Is Wpa Perfect

    Product Support for WPA Starting in August, 2003, NETGEAR, Inc. wireless Wi-Fi certified products will support the WPA standard. NETGEAR, Inc. wireless products that had their Wi-Fi certification approved before August, 2003 will have one year to add WPA so as to maintain their Wi-Fi certification.

  • Page 169: Changes To Wireless Network Adapters

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router • The new WPA information element To advertise their support of WPA, wireless APs send the beacon frame with a new 802.11 WPA information element that contains the wireless AP's security configuration (encryption algorithms and wireless security configuration information).

  • Page 170: Changes To Wireless Client Programs

    Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Changes to Wireless Client Programs Wireless client programs must be updated to permit the configuration of WPA authentication (and preshared key) and the new WPA encryption algorithms (TKIP and the optional AES component).

  • Page 171: Glossary

    10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring. 100BASE-Tx IEEE 802.3 specification for 100 Mbps Ethernet over twisted pair wiring. 802.11b IEEE specification for wireless networking at 11 Mbps using direct-sequence spread-spectrum (DSSS) technology and operating in the unlicensed radio spectrum at 2.5GHz.
  • Page 172 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Cat 5 Category 5 unshielded twisted pair (UTP) cabling. An Ethernet network operating at 10 Mbits/second (10BASE-T) will often tolerate low quality cables, but at 100 Mbits/second (10BASE-Tx) the cable must be rated as Category 5, or Cat 5 or Cat V, by the Electronic Industry Association (EIA).
  • Page 173 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router IP Address A four-byte number uniquely defining each host on the Internet. Ranges of addresses are assigned by Internic, an organization formed for this purpose. Usually written in dotted-decimal notation with periods separating the bytes (for example, 134.177.244.57).
  • Page 174 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Netmask A number that explains which part of an IP address comprises the network address and which part is the host address on that network. It can be expressed in dotted-decimal notation or as a number appended to the IP address.
  • Page 175 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router router A device that forwards data between networks. An IP router forwards data based on IP source and destination addresses. Routing Information A protocol in which routers periodically exchange information with one...
  • Page 176 Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router Windows Internet WINS. Windows Internet Naming Service is a server process for resolving Naming Service Windows-based computer names to IP addresses. If a remote network contains a WINS server, your Windows PCs can gather information from that WINS server about its local hosts.

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