Manuel d'utilisation / d'entretien du produit DG834G du fabricant NETGEAR
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202-10006-0 1 202-10006-01 October 200 3 NETGEAR , Inc. 4500 Great America Parkway Santa Clara, CA 95 054 USA Phone 1-888-NETGEAR Reference Manual for the 54 Mbp s Wireless ADSL Firewall Router DG834G.
ii 202-10006-0 1 © 2003 by NETGEAR, Inc. All ri ghts reserved. October 2003. T rademarks NETGEAR is a trademark of NETGE AR, Inc. Microsoft, W indows, and W indow s NT are registered trademar ks of Microsoft Corpo ration. Other brand and product names are registered tradem arks or trad emarks of their respective holders.
202-10006-0 1 iii Bestätigung des Hers tellers/Importeurs Es wird hiermit bestätigt, daß das DG834G 54 Mbps W ireless ADSL Firewa ll Router gemäß der im BMP T -AmtsblVfg 243/1991 und Vfg 46/1992 aufgeführten Bestim mungen entstö rt ist. Das vorschrifts mäßig e Betreiben einiger Geräte (z.
202-1000 6-01 iv.
Contents v 202-10006-01 Content s Chapter 1 About This Guide Audience, Conventions, Sc ope ................ ................ ............. ................. ................ ........ 1-1 How to Use this Manual .. ................. ................ ...
202-10006-0 1 vi Contents Record Y our Internet Connec tion Information .... ................. ................ ................ ..... 3-3 Connecting the DG834G to Y our LAN ............. ................ ............. ................ ............. .
Contents vii 202-10006-01 Changing the Administrator Login T imeout .. .......... ............. ............. ................ ........ 5-2 Configuring Basic Firewall Services ... ................ ................ ................ ............. ......
202-10006-0 1 viii Contents Running Diagnostic Utilities and Reboot ing t he Router ... ................ ................ ............. 6-14 Enabling Remote Management ... ................. ................ ................ ............. .............
Contents ix 202-10006-01 T roubleshooting Internet Browsing . ............. ................ ................ ................ ............ 8-6 T roubleshooting a TCP/IP Network Using the Ping Utility ..... ................. ................ ........ 8-7 T esting the LAN Path to Y our Router .
202-10006-0 1 x Contents Configuring Windows 95, 98, and Me for TCP/ IP Networking ............ ................ ........... C-2 Install or V erify Windows Netw orking Comp onents .
Contents xi 202-10006-01 Wireless Channels . ... ... ... .... ... ... ... .... ... ... ....... ...... ................ ............. ............. ....
202-10006-0 1 xii Contents.
About This Guide 1 202-10006-01 Chapter 1 About This Guide Thank you for pu rchasing the NETGEAR ™ DG834G 54 Mbps W ireless ADSL Firewall Router . Audience, Conventions, Scope This reference manual assumes that the reader h as basic-to-intermediate computer and Internet skills.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 2 About This Guide 202-10006-01 How to Use this Manual The HTML version of this manu al includes these feature s. Figure 1 -1: HTML version of this manual 1. Left pane . Use the left pane to view the Conten ts, Index, Search, and Favorites tabs.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G About This Guide 3 202-10006-01 How to Print this Manual T o print this manual you can ch oose one of th e fo llowing several options, a ccording to your needs. • Printing a “How T o” Sequence of S teps in the HTML V iew .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4 About This Guide 202-10006-01.
Introduction 2-1 202-10006-01 Chapter 2 Introduction This chapter describes the features of the NETGEAR DG834G 54 Mbps W ireless ADSL Firewall Router . The DG834G wireless router is a combin ation of a built-in ADSL modem, router , 4-port switch, 802.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 2-2 Introduction 202-10006-01 Key Features The DG834G wireless router provides the following features: • A powerful, true firewall • 802.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Introduction 2-3 202-10006-01 • Blocks access from your LAN to Internet locati ons or services that you specify as off-limits. • Logs security incidents The DG834G w ill log sec urity events su ch as bl ocked incoming traffic, port scans, attacks, and administrator logins.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 2-4 Introduction 202-10006-01 • Automatic Configuration o f Attached Compu ters by DH CP The DG834G dynamically assign.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Introduction 2-5 202-10006-01 • Browser-based management Browser-based configuration allows you to easily config u re your router from almost any type of personal computer , such as W indows, Macintosh, or Linux.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 2-6 Introduction 202-10006-01 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 rep air .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Introduction 2-7 202-10006-01 The Router’ s Rear Panel The rear panel of the DG834G 54 Mbps W ireless ADSL Firewall Router ( Figure 2-2 ) contains port connections.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 2-8 Introduction 202-10006-01.
Connecting the Router to the Internet 3-1 202-10006-01 Chapter 3 Connecting the Router to the Internet This chapter describes how to set up the router on your Local Area Network (LAN) and connect to the Internet.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-2 Connecting the Router to the Internet 202-10006-01 Each device such as a telephone, fax machine, answering machine, or caller ID display will require an ADSL microfilter .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the Internet 3-3 202-10006-01 Internet Configuration Requirement s Depending on how your ISP set up yo.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-4 Connecting the Router to the Internet 202-10006-01 ISP Multiplexing Method and V irtual Circuit Number: The default settings of your DG834G 54 Mbps W ireless ADSL Firewall Router will work fine for most ISPs.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the Internet 3-5 202-10006-01 Connecting the DG834G to Y our LAN This section provides instructions for connecting the DG834G wireless router.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-6 Connecting the Router to the Internet 202-10006-01 . Figure 3-4: Connecting an ADSL microf ilter and phone Note: T o.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the Internet 3-7 202-10006-01 c. Connect the Ethernet cable ( C) from your DG834G’ s LAN port to the Ethernet adapter in your computer .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-8 Connecting the Router to the Internet 202-10006-01 3. L OG IN TO THE DG834G. Note: Y our computer needs to be config ured for DHCP . For instructions on configurin g for DHCP , please see Appendix C, “Preparing Y our Network” .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the Internet 3-9 202-10006-01 Figure 3-9: Setup Wizard 4. C ONNECT TO THE I NTERNE T The router is now properly attached to yo ur n etwork. Y ou are now ready to configure your router to connect to the Internet.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-10 Connecting the Router to the Intern et 202-10006-01 Note: If instead of the Setup W izard menu, the main menu of the rout er’ s Configuration Manager as shown in Figure 3-15 appears, click the Setup W izard link in the upper left to bring up this menu.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the In te rn et 3-11 202-10006-01 Wizard-Detected PPPoE Login Account Setup If the Setup W izard deter.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-12 Connecting the Router to the Intern et 202-10006-01 Wizard-Detected Dynamic IP Account Setup If the Setup W izard d.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the In te rn et 3-13 202-10006-01 DNS servers are required to perform the functio n of translating an Internet name such as www .netgear .com to a numeric IP address.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-14 Connecting the Router to the Intern et 202-10006-01 4. Enter the IP address of your ISP’ s Primary DN S Server . If a Se condary DNS Server address is available, enter it also.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the In te rn et 3-15 202-10006-01 Manually Configuring Y our Internet Connection Y ou can manually configure your router using the menu below , or you can allow the Setup W izard to determine your config uration as described in the previo us section.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-16 Connecting the Router to the Intern et 202-10006-01 How to Perform Manual Configuration W e recommend that you start the manu al configuration from the Setup W izard: 1.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the In te rn et 3-17 202-10006-01 • Select “Get Automatically from ISP” if your ISP uses DHCP to assign your IP address. Y our ISP will automatically assign this address.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-18 Connecting the Router to the Intern et 202-10006-01 • Select “Use These DNS Servers” if your ISP has assigned you DNS server addresses. Enter the Primary and Secondary DNS se rver addresses that your ISP provided.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Connecting th e Rou te r to the In te rn et 3-19 202-10006-01 A DNS server is a host on the Internet that translates Internet names (such as www .netgear .com) to numeric IP addresses.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 3-20 Connecting the Router to the Intern et 202-10006-01 If your ISP provided you with a specific Multiplexi ng Method or VP I/VCI num ber , then fill in the following: 1.
Wireless Configuration 4-1 202-10006-01 Chapter 4 Wireless Configuration This chapter describes how to configure the wirel ess features of your DG834G 54 Mbps Wireless ADSL Firewall Router . Considerations for a Wireless Network In planning your wire less network, you sh ou ld consider the level of se curity required.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4-2 Wireless Configuration 202-10006-01 The time it takes to establish a wireless connec tion can vary depending on both your security settings and placement. WEP connections can take slightly longer to establish.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Configuration 4-3 202-10006-01 Underst anding W ireless Settings T o configure the W ireless interface of your router , click the W ireless link in the main menu of the browser interface.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4-4 Wireless Configuration 202-10006-01 — Mode . The default is "g & b", which allows bo th "g" and "b" wireless stations to access this device.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Configuration 4-5 202-10006-01 How to Set Up and T est B asic Wireless Connectivity Follow the instructions below to set up and te st basic wireless conne ctivity .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4-6 Wireless Configuration 202-10006-01 Once your computers have basic wireless connectiv ity to the firewall, then you can configure the advanced wireless security functions of the firewall.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Configuration 4-7 202-10006-01 Note: The SSID of any wireless access adapters must match the SSID you configure in the DG834G 54 Mbps W ireless ADSL Firewall Router . If they do not match, you will not get a wireless connection to the DG834G.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4-8 Wireless Configuration 202-10006-01 4. If the wireless station is curre ntly connected to the networ k, you can select it from the A vailable Wireless S tations list. Click Add to ad d the station to the T rusted W ireless Stations list.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Configuration 4-9 202-10006-01 Choosing WEP Authentication an d Security Encryption Methods Figure 4-5. Security Encryption sect ion Restricting wireless access prevents intruders fro m connecting to your network.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4-10 Wireless Configur ation 202-10006-01 Set your wireless adapter accord ing to the authentication sche me you choose for the DG834G wireless router.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Configuration 4 -11 202-10006-01 3. Go to the Security Encryp tion portion of the page: Figure 4-6. Wirele ss WEP menu 4. Select the Authentication T ype. 5. Select the Encryption setting.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4-12 Wireless Configur ation 202-10006-01.
Protecting Your Network 5-1 202-10006-01 Chapter 5 Protecting Y our Network This chapter describes how to u se the basic firewall features of the DG834G 54 Mbps Wireless ADSL Firewall Router to protect yo ur network.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-2 Protecting Yo ur Network 202-10006-01 2. From the Main Menu of the browser interface, under the Maintenanc e hea ding, select Set Password to bring up the menu shown in Figure 5-2 .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Protecting Your Network 5-3 202-10006-01 Blocking Keywords, Sites, and Services The router prov ides a variety of options for bloc king Internet based content and communications services.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-4 Protecting Yo ur Network 202-10006-01 2. Select the Block Sites link of the Security menu.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Protecting Your Network 5-5 202-10006-01 6. T o specify a trusted user , enter that computer ’ s IP address in the T ruste d IP Address box and click Apply . Y ou can specify one trusted user , which is a co mputer that will be exempt from blocking and logging.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-6 Protecting Yo ur Network 202-10006-01 Figure 5-4: Rules menu • T o edit an existing rule, select its button on the left side of the table and click Edit. • T o delete an existing rule, select its button on the left side of the table and click Delete.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Protecting Your Network 5-7 202-10006-01 Remember that allowing inbound services opens holes in your fi rewall.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-8 Protecting Yo ur Network 202-10006-01 • W AN Users These settings determine which packets are co vered by the rule, based on their source (W AN) IP address. Select the desired option: • Any — all IP addresses are covered by this rule.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Protecting Your Network 5-9 202-10006-01 Considerations for Inbound Rules • If your external IP address is assigned dynamically by your ISP , the IP address may change periodically as the DHCP lease expires.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-10 Protecting Yo ur Networ k 202-10006-01 Outbound Rule Example: Blocking Inst ant Messenger If you want to block Inst.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Protecting Your Network 5 -1 1 202-10006-01 • Address range — if this optio n is selected, you must enter the S tart and Finish fields. • Single address — enter the required address in the Start fields.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-12 Protecting Yo ur Networ k 202-10006-01 For any traffic attempting to pass through the fire wall, the packet informa tion is subjected to the rules in the order shown in the Rules T able, beg inning at the top and proceeding to th e default rules at the bottom.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Protecting Your Network 5 -1 3 202-10006-01 • T o create a new Service, clic k the Add Custom Service button. • T o edit an existing Service, select its button on the left side of the table and click Edit Service.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-14 Protecting Yo ur Networ k 202-10006-01 2. Select the Schedule link of the Security menu to display menu shown below . Figure 5-1 1: S chedule Services menu 3. Select your T ime Zone.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Protecting Your Network 5 -1 5 202-10006-01 How to Schedule Firewall Services If you enabled services blocking in the Bl ock Servic es menu or Port forwar ding in the Ports menu, you can set up a schedule for when blocking occurs or when access is not restricted.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 5-16 Protecting Yo ur Networ k 202-10006-01.
Managing Your Network 6-1 202-10006-01 Chapter 6 Managing Y our Network This chapter describes how to perform network management tasks with your DG834G 54 Mbps W ireless ADSL Firewall Router . Backing Up, Restoring, or Erasing Y our Settings The configuration settings of the DG834G wireless router are stored in a configuration file in the router.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-2 Manag ing Your Netw ork 202-10006-01 4. Sto r e t h e .cfg file on a computer on your network. How to Restore the Conf iguration from a File 1. Log in to the router at its default LAN address of http://192.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Managing Your Network 6-3 202-10006-01 How to Upgrade the Router Firmware Note: NETGEAR reco mmends that you back up your configuration b efo re doing a firmware upgrade. After the upgrade is complete, you may need to rest ore your configuration settings.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-4 Manag ing Your Netw ork 202-10006-01 Network Management Information The DG834G provides a variety of s tatus and usage information which is discussed below .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Managing Your Network 6-5 202-10006-01 T able 6-1. Menu 3.2 - Router S t atus Fields Field Description Account Name The Host Name assigned to the router in the Ba sic Settings menu.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-6 Manag ing Your Netw ork 202-10006-01 Click the Show S tatistics button to disp lay router usage statistics, as shown.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Managing Your Network 6-7 202-10006-01 Click the Connection Status bu tton to display router conn ection status, as shown in Figure 6-5 and Figure 6-6 . Figure 6-5: Connection S t atus screen for Dynamic IP T able 6-1.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-8 Manag ing Your Netw ork 202-10006-01 Clicking the Renew button updates the status information.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Managing Your Network 6-9 202-10006-01 Clicking the Renew button updates the status information.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-10 Managing Your Networ k 202-10006-01 V iewing, Selecting, and Sa ving Logged Information The router will log security-related events such as denied incoming servi ce requests, hacker probes, and administrator logins.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Managing Your Network 6-11 202-10006-01 Log entries are described in T able 6-1 below: Log action buttons are described in Ta b l e 6 - 2 below: Selecting What Information to Log Besides the standard information listed above, you can choose to log additional info rmation.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-12 Managing Your Networ k 202-10006-01 Saving Log Files on a Server Y ou can choose to write the logs to a computer ru nning a syslog program.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Managing Your Network 6-13 202-10006-01 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 section: • T urn e-mail notification on .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-14 Managing Your Networ k 202-10006-01 – T ime for sending log Specifies the time of day to send the log.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Managing Your Network 6-15 202-10006-01 Enabling Remote Management Using the Remote Manageme nt page , you can allow a user or users on the Internet to configure, upgrade and check the status of y ou r DG8 34G 54 Mbps W ireless ADSL Firewall Router .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 6-16 Managing Your Networ k 202-10006-01 When accessing your router from the Internet, you will type your router's W AN IP address in your browser's Address (in IE) or Loc ation (in Netscape) box, follo wed by a colon (:) and the custom port number .
Advanced Configuration 7-1 202-10006-01 Chapter 7 Advanced Configuration This chapter describes how to configure the advanc ed features of your DG834G 54 Mbps W ireless ADSL Firewall Router .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 7-2 Advanced Configuration 202-10006-01 Incoming traffic from the Internet is normally discarded by the router unless the traf fic is a response to one of your local comp uters or a service that you have configured in the Ports menu.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Advanced Configuration 7-3 202-10006-01 Connect Automatica lly , as Required Normally , this option should be Enabled, so that an Internet co nnection will be made automatically , whenever Internet-bound traffic is detected.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 7-4 Advanced Configuration 202-10006-01 These addresses are part of the Internet Engineering T ask Force (IETF)-designated private address range for use in private networks, and should be suitable in most applications.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Advanced Configuration 7-5 202-10006-01 • RIP V ersion This controls the format and th e broadcasting met hod of the RIP packets that the router sends. It recognizes both formats when receiving.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 7-6 Advanced Configuration 202-10006-01 • An IP Address from the rang e you have defined • Subnet Mas k • Gateway .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Advanced Configuration 7-7 202-10006-01 How to Configure LAN TCP/IP Settings 1. Log in to the router at its default LAN address of http://192.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 7-8 Advanced Configuration 202-10006-01 The router contains a client that can connect to a dynamic DNS service provider . T o use this feature, you must select a service provider and obtain an account with them.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Advanced Configuration 7-9 202-10006-01 9. 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.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 7-10 Advanced C onfiguration 202-10006-01 In this exam ple: • The Destination IP Address and IP Subnet Mask fi elds specify that this static route applies to all 134.177.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Advanced Configuration 7-11 202-10006-01 Figure 7-5: S t atic Route Entry and Edit Menu b. T ype a route name for this static route in the Route Name box under the table. This is for identification purpose only .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 7-12 Advanced C onfiguration 202-10006-01.
Troubleshooting 8-1 202-10006-01 Chapter 8 T roubleshooting This chapter gives informatio n about troubleshooting your DG834G 54 Mbps W ireless ADSL Firewall Router . After each proble m description, instructio ns are provided to help you diagno se and solve the problem.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 8-2 Troubleshooting 202-10006-01 If a port’ s LED is lit, a link has been establis hed to the connected device. If a LAN port is connected to a 100 Mbps device, verify that the port’ s LED is green.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Troubleshooting 8-3 202-10006-01 • Make sure that power is turned on to the conn ected hu b or workstatio n. • Be sure you are using the correct cable: — When connecting th e rou ter ’ s W AN ADSL port , use the cable that was supplied with the DG834G.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 8-4 Troubleshooting 202-10006-01 • Click the Refresh or Reload button in the W e b browser . The changes may have occurred, b ut the W eb brows er ma y be caching the old configuration.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Troubleshooting 8-5 202-10006-01 If disconnecting telephon es does not result in a green W AN LED the problem may be one of the following: • Check that the telephone company has made the connection to your line and tested it.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 8-6 Troubleshooting 202-10006-01 • Y our ISP only allows one Ethernet MAC address to connect to Internet, and may check for your computer ’ s MAC address.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Troubleshooting 8-7 202-10006-01 A DNS server is a host on the Internet that translates Interne t names (such as www addresses) to numeric IP addresses. T ypically your ISP will provide the addresses of one or two DNS servers for your use.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 8-8 Troubleshooting 202-10006-01 • W rong physical connections — Make sure the LAN port LED is on. If the LED is of f, follow the instructions in “LAN or W AN Port LEDs Not On” on page 8 -2 .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Troubleshooting 8-9 202-10006-01 Restoring the Default Co nfiguration and Password This section explains how to restore the fact ory default configuratio n settings, changing the router ’ s administration password to password and the IP address to 192.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 8-10 Troubleshooting 202-10006-01.
Technical Specifications A-1 202-10006-01 Appendix A T echnical S pecifications This appendix provides tech nical specifications for the DG834G 54 Mbps W ireless ADSL Firewall Router .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G A-2 T echnical Specifications 202-10006-01 Interface S p ecifications LAN: 10BASE-T or 100BASE-Tx, RJ-45 W AN: ADSL, Dual RJ-1 1, pins 2 and 3 T1.
Network and Routing Basics B-1 202-10006-01 Appendix B Network and Routing Basics This chapter provides an overview of IP networks, routing, and wireless network ing. Related Publications As you read this document, you may be dire cted to various RF C documents for further information.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-2 Network and Routing Basics 202-10006-01 What is a Router? A router is a device that forwards traffic between networks based on network layer information in the data and on routing tables main tained by the router .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Network and Routing Basics B-3 202-10006-01 The latter version is easier to remember and easier to enter into your computer . In addition, the 32 bits of the ad dress are subdivided into two part s.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-4 Network and Routing Basics 202-10006-01 • Class C Class C addresses can have 254 hosts on a netw ork. Class C addre sses use 24 bits for the network address and eight bits for the node.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Network and Routing Basics B-5 202-10006-01 As a shorter alternative to dotted-decimal notation, the netmask may also be expressed in terms of the number of ones from the left. This number is ap pended to the IP address, following a backward slash (/), as “/n.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-6 Network and Routing Basics 202-10006-01 Although the preceding example uses the entire third octet for a subnet address, note that you are not restricted to octet boundaries in subnetting.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Network and Routing Basics B-7 202-10006-01 NETGEAR strongly recommends that you configur e all hosts on a LAN se gment to use the.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-8 Network and Routing Basics 202-10006-01 Regardless of your particular situation, do not create an arbitrary IP address; always follow the guidelines exp lained here.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Network and Routing Basics B-9 202-10006-01 This scheme offers t he additional benefit of firewall-like protection because the internal LAN addresses are not available to the Internet thro ugh the translated connection.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-10 Network and Routing Basi cs 202-10006-01 Domain Name Server Many of the resources on the In ternet can be addressed by si mple descriptive names such as www .NETGEAR.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Network and Routing Basics B-11 202-10006-01 What is a Firewall? A firewall is a device that protects one netw ork from another , while allowing communication between the two.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-12 Network and Routing Basi cs 202-10006-01 . Category 5 Cable Quality Category 5 distributed cable that me ets ANSI/EIA/ TIA-568-A building wiring stan dards can be a maximum of 328 feet (ft.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Network and Routing Basics B-13 202-10006-01 Inside T wisted Pair Cables For two devices to communicate, th e transmitter of each device must be connected to the receiver of the other device.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-14 Network and Routing Basi cs 202-10006-01 Figure B-3: Category 5 UTP Cable with Male RJ -4 5 Plug at Each End Note : Flat “silver satin” tele phone cable may have the same RJ-45 pl ug.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Network and Routing Basics B-15 202-10006-01 The DG834G wireless router incorporates Auto Uplink TM technology (also called MDI/MDIX). Each LOCAL Ethernet port will automatically sens e whether the Ethernet cable plugged into the port should have a normal con nection (e.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G B-16 Network and Routing Basi cs 202-10006-01.
Preparing Your Netwo rk C-1 202-10006-01 Appendix C Prep aring Y our Network This appendix describes how to prepare you r ne twork to connect to the Int ernet through the DG834G 54 Mbps W ireless ADSL Firewall Router and how to verify the readiness of broadband Internet service from an Inte rnet service provider (ISP).
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-2 Preparing Yo ur Networ k 202-10006-01 In your IP network, each PC and the firewall must be assigned a unique IP addresses.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-3 202-10006-01 Y ou must have an Ethernet adapter , the TCP/IP protocol, and Client for Microsoft Networks. If you need to install a ne w adapter , follow these steps: a.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-4 Preparing Yo ur Networ k 202-10006-01 If you need Client for Micro soft Networks: a. Click the Add button. b. Select Client, and then click Ad d. c. Select Microsoft. d.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-5 202-10006-01 V erify the following settings as shown: • Client for Microsoft Network exists • Ethernet adapter is present • TCP/IP is present • Primary Network Logon is set to W indows log on Click on the Properties button.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-6 Preparing Yo ur Networ k 202-10006-01 Selecting Windows’ In ternet Access Method 1. On the W indows taskbar , click the Start button, point to Settings, and th en click Control Panel.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-7 202-10006-01 2. Ty p e winipcfg , and then click OK. The IP Configuration window opens, which lists (a mong other things), your IP address, subnet mask, and default gateway .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-8 Preparing Yo ur Networ k 202-10006-01 DHCP Configuration of TCP/IP in Windows XP , 2000, or NT4 Y ou will find there are many similarities in th e procedures for different W indows systems when using DHCP to configure TCP/IP .
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-9 202-10006-01 • Now you should be at the Local Area Network Connection S tatus window . This box displays the conn ection status, duration, speed, and activity statistics.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-10 Preparin g Your Network 202-10006-01 DHCP Configuration of TC P/IP in Windows 2000 Once again, after you have installed the network card, TCP/IP for W indows 2000 is configured.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-11 202-10006-01 • Click on the My Network Places icon on the W indows desktop. This will bring up a window called Network and Dial-up Connectio ns. • Right click on Local Ar ea Connection and select Properties .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-12 Preparin g Your Network 202-10006-01 • W ith Internet Protocol (TCP/IP) selected, click on Properties to open the Internet Protocol (TCP/IP) Propert ies dialogue box.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-13 202-10006-01 DHCP Configuration of TCP/IP in Windows NT4 Once you have installed the network card, you need to co nfigure the TCP/IP environ ment for W indows NT 4.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-14 Preparin g Your Network 202-10006-01 • Highlight the TCP/IP Pr otocol in the Network Protocols box, and click on the Properties button.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-15 202-10006-01 V erifying TCP/IP Properties fo r Windows XP , 2000, and NT4 T o check your PC’ s TCP/IP configuration: 1. On the W indows taskbar, cl ick the Start button, and then click Run.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-16 Preparin g Your Network 202-10006-01 • The default gateway is 192.168.0.1 4. Ty p e exit Configuring the Macintos h for TCP/IP Networking Beginning with Macintosh Operating System 7 , TCP/ IP is already installed on the Macintosh.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-17 202-10006-01 2. If not already selected, select Built- in Ethernet in the Configure list. 3. If not already selected, Select Using DHCP in the TCP/IP tab.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-18 Preparin g Your Network 202-10006-01 V erifying the Readiness of Y our 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 mode m.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-19 202-10006-01 • A gateway IP address, which is the address of the ISP’ s router • One or more domain name server (DNS) IP addresses • Host name and domain suf fix For example, your account’ s full server names may look like this: mail.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-20 Preparin g Your Network 202-10006-01 6. Select the DNS Configuration tab. If any DNS server addresses are shown, write down the addresses. If any information appears in the Host or Domain information box, write it down.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Preparing Your Netwo rk C-21 202-10006-01 Rest arting the Network Once you’ve set up yo ur computers to work with the fi rewall, you must reset the network for the devices to be able to communicat e correctly .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G C-22 Preparin g Your Network 202-10006-01.
Wireless Networking Basics D-1 202-10006-01 Appendix D Wireless Networking Basics This chapter provides an overview of W ireless networking. Wireless Networking Overview The DG834G wireless router conf orms to the Institute of Elect rical and Electronics Engineers (IEEE) 802.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G D-2 Wireless Networking Basics 202-10006-01 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 g enerally communicate with any ot her node.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Networking Basics D-3 202-10006-01 802.1 1b Authentication The 802.1 1b standard defines severa l services that govern how tw o 802.1 1b devices communica te. The following events must occur before an 802.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G D-4 Wireless Networking Basics 202-10006-01 Figure D-1: 802.1 1b open system authenticat ion Shared Key Authentication The following steps occur when two de vices use Shared Key Authentication: 1.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Networking Basics D-5 202-10006-01 Figure D-2: 802.1 1b shared key authenti cation Overview of WEP Parameters Before enabling WEP on an 802.11 b network, you must first consider what typ e of encryption you require and the key size you wa nt to use.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G D-6 Wireless Networking Basics 202-10006-01 Key Size The IEEE 802.1 1b standard supports two ty pes of WEP encryption: 40-bit and 128-bit. The 64-bit WEP data encryption meth od, allows for a five -character (40-bit) input.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Wireless Networking Basics D-7 202-10006-01 Note: Whatever keys you enter for an AP , you must al so enter the same keys for the client adapter in the same order .
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G D-8 Wireless Networking Basics 202-10006-01 Note: The av ailable channe ls sup ported by the wireless products in various countries are dif ferent. The preferred channel separation betw een the chan nels in neighboring wireless networks is 25 MHz (5 channels).
202-10006-0 1 Glossary 1 Glossary 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring. 100BASE-Tx IEEE 802.3 specification for 100 Mbps Et hernet over twisted pair wiring.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 2 Glossary 202-10006-0 1 Gateway A local device, usually a router , that c onnects hosts on a lo cal network to other networks. IP See Internet Protoco l. IP Address A four-byte number uniquely defining each host on the Internet.
Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G Glossary 3 202-10006-0 1 Netmask A number that expl ains 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.
Reference Ma nua l for th e 54 Mb ps Wirele ss ADSL Fire wa ll Rou ter D G8 34G 4 Glossary 202-10006-0 1 UTP Unshielded twisted pair . The cable used by 10BASE-T and 100BASE-Tx Ethernet networks. VCI V irtual Channel Identifier . T o gether with the VPI, d efines a V irtual Channel through an A TM net work.
Index 1 Numerics 64 or 128 bit WEP 4-10 802.1 1b D-1 A Account Name 3-18 Address Resolution Protocol B-9 ad-hoc mode D-2 Auto MDI/MDI-X B-15 Auto Uplink 2-3, B-15 B backup configuration 6-1 Basic W ir.
2 Index FLASH memory 6-2 front panel 2-6 G gateway address C-19, C-20 H host name 3-18 I IANA contacting B-2 IETF B-1 W eb site address B-8 inbound rules 5-6 infrastructure mode D-2 installation 2-4 I.
Index 3 ping 7-3 placement 4-1 port filtering 5-9 port forwarding 5-6 port forwarding behind NA T B-9 port numbers 5-12 PPP over Ethernet 2-4, C-18 PPPoE 2-4, 3-1 1, C-18 Primary DNS Server 3-12, 3-14.
4 Index WEP encryption 2-2 Wi - F i D - 1 W indows, configuring for IP routing C-2, C-7 winipcfg utility C-6 W inPOET C-18 WINS 7-6 W ired Equivalent Privacy .
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté NETGEAR DG834G c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du NETGEAR DG834G - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation NETGEAR DG834G, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le NETGEAR DG834G va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le NETGEAR DG834G, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du NETGEAR DG834G.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le NETGEAR DG834G. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei NETGEAR DG834G ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
