NETGEAR DG814 DSL manuale d’uso

SM-DG814NA-2 June 2002 NETGEAR , Inc. 4500 Great America Parkway Santa Clara, CA 95 054 USA Phone 1-888-NETGEAR Reference Manual for the Model DG814 DSL Modem Internet Gateway[...]

ii © 2002 by NETGEAR, Inc. All rights reserved. T rademarks NETGEAR is a tr ademark of Netge ar , Inc. Microsoft, W indows, and W indow s NT are registered trademar ks of Microsoft Corporation. Other brand and product names are registered tradem arks or trademarks of their respective holders. St atement of Conditions In the interest of improving i[...]

iii Bestätigung des Hers tellers/Importe urs Es wird hiermit bestätigt, daß das Model DG814 DSL Modem I nternet Gateway gemäß der im BMP T -AmtsblVfg 243/ 1991 und Vfg 46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betr eiben einiger Geräte (z.B. T estsender) kann jedoch gewissen Beschränkungen unterlie gen. Lesen [...]

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Contents v Content s About This Guide T echnical Support ............... ............. ................ ............. ............. ................ ............. ......... x iii Related Publications .... ................ ............. ................ ............. ................. ............ ............. xi ii T ypographical Conventions .....[...]

vi Contents V erifying Power ..... ................ ............. ................ ............. ................. ................ ........ 2-7 Chapter 3 Prep aring Y our Network Preparing Y our Personal Computers for IP Networking ......................... ................ ........ 3-1 Configuring Windows 95, 98, and ME for IP Ne tworking .... ..[...]

Contents vii Logs ................ ............. ................ ............. ............. ................ ............. ................ ..... 5 -2 Log entries are described in T able 5-1 ......................... ................ ................ ............ 5-2 Block Sites ............... ................. ............. ................ ...[...]

viii Contents T est LED Never Blinks or LED S tays On ...... ................ ............. ................ ............... 7-2 T r oubleshooting the Web Configuration Interface ................. ................. ................ ........ 7-2 T r oubleshooting the ISP Connection ............... ............. ................ ................ ....[...]

ix Figure 2-1. DG814 Front Panel ......... ................ ................ ................. ................ ........ 2-2 Figure 2-2. DG814 Rear Panel ............. ................ ................. ................ ............. ........ 2-3 Figure 2-3. T ypic al installation .............. ............. ................ ................. ....[...]

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xi T able 2-1. LED Descriptions ...................... ................ ............. ................ ............. ..... 2-3 T able 5-1. Log entry descriptions ........ .......... ...... ............. ................. ............ ............ 5-2 T able 5-2. Log action buttons ..................... ............. ................ ...............[...]

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About This Guide xiii About This Guide Congratulations on your purchase of the NETGEAR ™ Model DG814 DSL Modem Internet Gateway. The Model DG814 gateway provides a secure connec tion for multiple person al computers (PCs) to the Internet through an internal ADSL modem that is normally in tended for use by a single PC. T echnical Support For help [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway xiv About This Guide For more information about IP addres s translation, refer to RFC 1631, The IP Network Addr ess T ranslator (NA T) .[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway About This Guide xv T ypographical Conventions This guide uses the following typographical conventions: italics Book titles and UNIX file, comm and, and directory names. courier font Screen text, user -type d command-line entries. Initial Caps Menu titles and window and button names. [...]

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Introduction 1-1 Chapter 1 Introduction This chapter describes the features of the NETGEAR Model DG814 DSL Modem Internet Gateway. About the Gateway The Model DG814 DSL Mod em Internet Gateway w ith 4-port switch connects your local area network (LAN) to the Internet using a built-in ADSL modem. The Model DG814 gateway provides you with mu ltiple W[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 1-2 Introduction – Blocking can be sched uled by day and time – Network Address T rans lation (NA T) hides loca l PCs from the Internet – Incoming port forwarding and DMZ for specific services • Built in 4-port 10/100 Mbps Switch – Allows LAN connectio ns at 10 megabits per s[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Introduction 1-3 Content Filtering W ith its content filtering featur es, the Model DG814 gateway prev ents objectionable content from reaching your PCs. Its content filtering features include: • Content filtering by domain or keyword The Model DG814 gateway uses content filtering t[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 1-4 Introduction The Model DG814 g ateway incorporates Au to 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' co nnection (e.g. conn ecting to a PC) or an &a[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Introduction 1-5 • Animated installation assistant The Resource CD contains an animated inst allation assistant to gu ide you through set up. • Browser-based management Browser-based configuration allows you to ea sily configure your gateway from almost any type of personal comput[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 1-6 Introduction[...]

Setting Up the Hardware 2-1 Chapter 2 Setting Up the Hardware This chapter describes the Model DG814 DSL Mode m Internet Gateway hardware and provides instructions for installing it. Package Content s The product package should contain the following it ems: • Model DG814 DSL Modem Internet Gateway • AC power adapter , 18 V AC output (varies by [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-2 Setting Up the Hardware Local Network Hardware Requirement s The Model DG814 DSL Modem In ternet Gateway is intended for use in a network of personal computers (PCs) that are inte rconnected by twisted-pair Ethernet cables. PC Requirement s T o install and run the Mo del DG814 gate[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Setting Up the Hardware 2-3 Y ou can use some of the LEDs to verify connectio ns. Ta b l e 2 - 1 lists and describes each LED on the front panel of the Model DG814 ga teway. These LEDs are green when lit. The Gateway’ s Rear Panel The rear panel of the Mo del DG814 gateway ( Figu re[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-4 Setting Up the Hardware The rear panel contains the following features (from left to right): • Power switch • 18 V AC power adapter outlet • Four Local (LAN) Ethernet ports for co nnecting the gateway to the local PCs • Factory Default Reset push-button • ADSL (W AN) port[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Setting Up the Hardware 2-5 A typical installation is shown in Figure 2-3 , below Figure 2-3. T ypical inst allation Connecting to your Lo cal Ethernet Network Y our local network (LAN) will attach to the four Local gateway ports shown in Figu re 2-2 . The Local ports operate at eithe[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-6 Setting Up the Hardware The Model DG814 gatewa y incorporates a four-port switch for c onnecting to your local n etwork. T o connect the Model DG814 gateway to y our LAN: • Connect up to four PCs directly to a ny of the four Local ports of the gate way using standard Ethernet cab[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Setting Up the Hardware 2-7 ADSL through other wall jacks 1. Plug the “LINE” connection from the in cluded microfilter into the wall jack. 2. Connect the “DSL” jack of the microfilter to the ADSL port of your gateway using the telephone cable provided. 3. Connect the “PHONE?[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-8 Setting Up the Hardware All LEDs will briefly be tested. 2. After approximately 10 seconds, verify that: • The T est LED is not lit. • The Local port LEDs are lit for any local ports that are connected. 3. If a port’ s LED is lit, a link has been establishe d to the connected[...]

Preparing Your Netwo rk 3-1 Chapter 3 Prep aring Y our Network This chapter describes how to prepare your PC ne twork to connect to the Internet through the Model DG814 DSL Modem Internet Gateway and ho w to order broadband Internet service from an Internet service provider (ISP). Prep aring Y our Personal Co mputers for IP Networking Personal Comp[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-2 Prepa ring Your Ne twork • Macintosh Operating System 7 or later includes the software components for establishing a TCP/IP network. • All versions of UNIX or Linux include TCP/IP components. Follow the instructions provided with your operating system or networking so ftware to[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Preparing Your Netwo rk 3-3 Y ou must have an Ethernet adapter , the TCP/IP protocol, and Client for Micro soft Networks. If you need the adapter: a. Click the Add button. b. Select Adapter , and then click Add. c. Select the manufacturer and model of your Ethernet adapter , and then [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-4 Prepa ring Your Ne twork 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. Select Client for Microsoft Networks, and then click OK. 3. Restart your PC for the changes to take ef fect. Assign TCP/IP co[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Preparing Your Netwo rk 3-5 4. Select “I want to connect through a Local Area Network” and click Next. 5. Uncheck all boxes in the LAN Internet Configuration screen and click Next. 6. Proceed to the end of th e W izard. V erifying TCP/IP Properties (Windows) After your PC is confi[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-6 Prepa ring Your Ne twork 4. Select Properties. 5. V erify that ‘Client for Microsoft Networks’ and ‘Internet Protocol (TCP/IP)’ are present. If not, select Install and add them. 6. Select ‘Internet Protocol (TCP/IP)’, click Prop erties, and verify that “Obtain an IP a[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Preparing Your Netwo rk 3-7 The TCP/IP Control Panel opens: 2. From the “Connect via” box, select your Macintosh’ s Ethernet interface. 3. From the “Configure” box, select Using DHCP Server . Y ou can leave the DHCP Client ID box empty . 4. Close the TCP/IP Control Panel. 5.[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-8 Prepa ring Your Ne twork V erifying TCP/IP Properties (Macintosh) After your Macintosh is configured and has rebo oted, you can check the TC P/IP configuration by returning to the TCP/IP Control Panel. From th e Apple menu, select Control Panels, then TCP/IP . The panel is updated [...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Preparing Your Netwo rk 3-9 For a single-user Internet account, your ISP supp lies TCP/IP configuration info rmation (such as IP address, subnet mask and default gateway) and VPI and VCI multiplexing information for one PC. Y our ISP may also provide other login informatio n, such as [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-10 Preparing Your Network If any of these items are dynamically supplied by the ISP , your gateway automatically acquires them. If an ISP technician configured your PC du ring the installation of the broadband modem, or if you configured it using instruct ions provided by your ISP , [...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Preparing Your Netwo rk 3-1 1 Obt aining ISP Configuration Information (Macin tosh) As mentioned above, yo u may need to collect config uration information from your Macintosh so that you can use this informat ion when you configure the Model DG814 gateway. Following this procedure is[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-12 Preparing Your Network[...]

Basic Configuration of the Gateway 4-1 Chapter 4 Basic Configuration of the Gateway This chapter describes how to perform the basic co nfiguration of your Model DG814 DSL Modem Internet Gateway using the Setu p W izard, which walks you throu gh the configuration process for your Internet connection. Accessing the Web Configuration Manager In order [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-2 Ba sic Configuratio n of the Gateway A login window opens as shown in Figure 4-1 below:. Figure 4-1. Login window This screen may have a different appearance in other browsers. 6. Ty p e admin in the User Name box, password in th e Password box, an d then click OK. If your gateway [...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Basic Configuration of the Gateway 4-3 Figure 4-2. Browser-based configuration main menu Y ou can manually config ure your gateway usin g this menu as described in “Manual Configuration“ on page 4-8 , or you can allow the Setup W izard to determine your conf iguration as described[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-4 Ba sic Configuratio n of the Gateway Configuration using the Setup Wizard The W eb Configuration Manager contains a Setup W izard that can automatically determine your network connection type. If the Setup W izard does not launch automatically , click on the Setup W izard heading i[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Basic Configuration of the Gateway 4-5 Configuring for Dynamic IP Account If the Setup W izard determines that your Intern et service account uses Dynamic IP assignme nt, you will be directed to the menu shown in Figure 4-3 below . Figure 4-3. Setup Wizard menu for Dynamic IP address [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-6 Ba sic Configuratio n of the Gateway Configuring for Fixed IP Account If the Setup W izard determines that your Intern et service account uses Fixed IP assignment, you will be directed to the menu shown in Figu re 4-4 below: Figure 4-4. Setup Wizard menu for Fixed IP a ddress 1. En[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Basic Configuration of the Gateway 4-7 Configuring for an Account with Login If the Setup W izard determines that your Internet service account uses a login protocol such as PPP over Ethernet (PPPoE) or PPP over A TM (PPPoA ), you will be directed to a menu like the PPPoE menu shown i[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-8 Ba sic Configuratio n of the Gateway A DNS server is a host on the Internet th at translates Internet names (such as www addresses) to numeric IP addresses. T ypically yo ur ISP transfers the IP addre sses of one or two DNS servers to your gateway during login. If the ISP does not [...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Basic Configuration of the Gateway 4-9 b. If you wish to change the idle timeo ut, enter a new valu e in minutes.. 2. Internet IP Address: If your ISP has assigned yo u a permanent, fixed (static) IP address for your PC our gateway , selec t “Use static IP address”. Enter the IP a[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-10 Basic Configuratio n of the Gateway Y our gateway is now configured to provide Inte rnet access for your netw ork. When your gateway and PCs are configured correctly , your gateway automatica lly accesses the Internet when one of your LAN devices requires access. It is not necessa[...]

Content Filtering 5-1 Chapter 5 Content Filtering This chapter describes how to u se the Content Filtering features of your Model DG814 ADSL Modem Internet Gateway. These features can be found by clicking on the Content Filtering heading in the Main Menu of the browser interface. Configuring for Content Filtering The Model DG814 ADSL Modem Internet[...]

Reference Manual for the Model DG 814 ADSL Modem Internet Gateway 5-2 Content Filtering Logs The log is a detailed record of w hat websites you have accessed or attempted to access . Up to 128 entries are stored in the log. Log entries will on ly appear when ke yword blocking is en abled, and no log entries will be made for the T r usted User . An [...]

Reference Manual for the Model DG 814 ADSL Modem Internet Gateway Content Filtering 5-3 Block Sites The Model DG814 gateway allows you to restri ct access based on web and ne wsgroup addresses and web and newsgroup address keywords. Up to 25 5 entries are supported in the Keyword list. The Keyword Blockin g menu is shown below: T o enable keyword b[...]

Reference Manual for the Model DG 814 ADSL Modem Internet Gateway 5-4 Content Filtering Y ou may specify one T rusted User , which is a PC that will be exempt from blocking and logging. Since the T rusted User will be iden tified by an IP ad dress, you should con figure that PC with a fixed IP address. Schedule The Model DG814 gateway allows you to[...]

Reference Manual for the Model DG 814 ADSL Modem Internet Gateway Content Filtering 5-5 Log action buttons are described in Ta b l e 5 - 2 E-Mail In order to receive logs and alerts by email, yo u must provide your email information in the E-Mail subheading: • T urn e-mail notification on Check this box if you wish to receive e-mail logs and aler[...]

Reference Manual for the Model DG 814 ADSL Modem Internet Gateway 5-6 Content Filtering • Y our outgoing mail server Enter the name of your ISP’ s outgoing (SMTP) mail server (such as mail.myISP .com). Y ou may be able to find th is information in the co nfiguration menu of your e-mail pr ogram. If you leave this box blank, log and alert messag[...]

Maintenance 6-1 Chapter 6 Maintenance This chapter describes how to use the maintena nce features of your Model DG8 14 DSL Modem Internet Gateway. These features can be found by clicking on the Mai ntenance heading in the Main Menu of the browser i nterface. Gateway S t atus The Gateway Status menu provides a limited amou nt of status an d usage in[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-2 Maintenance Figure 6-1. Gateway St atus screen This screen shows the following parameters: T able 6-1. Menu 3.2 - System S t atus Fields Field Description System Name This field displays the Host Name assigned to the gateway . Firmware V ersion This field displa ys the gateway firm[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Maintenanc e 6-3 DHCP If set to None, the gateway is conf igured to u se a fixed IP address on the WA N . If set to Client, the gateway is c onfigured to o btain an IP address dynamically from the ISP . LAN Port These IP parameters apply to the Local (W AN) port of the gateway . IP Ad[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-4 Maintenance Click on the “Show St atistics” button to disp lay gateway usage statistics, as shown in Figure 6-2 below: Figure 6-2. Gateway S t atistics screen This screen shows the following statistics:. T able 6-2. Gateway S t atistics Fields Field Description Port The statist[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Maintenanc e 6-5 Click the “PPPoE S tatus” or “PPP oA S tatus” button to display the progress of the PPPoE or PPPoA connection, as shown in Figure 6-3 , below . Figure 6-3. PPPoE St atus screen The gateway will automatically authenticate with the PPPoE or PPP oA network when y[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-6 Maintenance Click the “Ping S tatus” button to perform a connec ti vity test from your gateway , as shown in Figure 6-4 below . Figure 6-4. Ping St atus screen This screen allows you to “ping” an IP address on the LAN to verify connectivity . Enter the IP address and click [...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Maintenanc e 6-7 For each device, the table shows the IP address, NetBIOS Host Name (if available), and Ethernet MAC address. Note that if the gateway is reb ooted, the table data is lost until the gateway rediscovers the devices. T o force the gateway to look for attached devices, cl[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-8 Maintenance T o restore your settings from a saved configuration file, enter the full path to the file on your PC or click the Browse button to browse to the file. When you ha ve located it, click the Restore button to send the file to the gateway . The ga teway will then reboot au[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Maintenanc e 6-9 Gateway Upgrade The routing software of the Model DG814 ga teway is stored in FLASH memory , and can be upgraded as new software is released by NETG EAR. Upgrade files ca n be download ed from Netgear's website. If the upgrade file is compressed (.ZIP file), you [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-10 Maintenance[...]

Advanced Configuration of the Gateway 7-1 Chapter 7 Advanced Configuration of the Gateway This chapter describes how to configure the adva nced features of your Model DG814 DSL Modem Internet Gateway. These features can be found under the Advanced heading in the Main Menu of the browser interface. Configuring for Port Forwarding to Local Servers Al[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-2 Advanced Config uration of the Ga teway Use the Port Forwarding menu to configure th e gateway to forward incoming protocols to computers on your local network. In addition to servers for specif ic applications, you can also specify a Default DMZ Server to which all othe r incomin [...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Advanced Configuration of the Gateway 7-3 5. T ype a name for the service. 6. Click Apply at the bottom of the menu. Edit or Delete a Port Forwarding Entry T o edit or delete a Port Forwarding entry , follow these steps. 1. In the table, select the butto n next to the service name. 2.[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-4 Advanced Config uration of the Ga teway 3. Change the beginn ing port numb er in the Start Port box. For these games, use the supplied number in th e default listing and add +1 for each additional computer . For example, if you've already conf igured one computer to play Hexen[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Advanced Configuration of the Gateway 7-5 Security DMZ Server Incoming traffic from the Internet is normally discarded by the gateway unless the traf fic is a response to one of your local co mputers or a service that you have configured in the Port Forwarding menu. Instead of discard[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-6 Advanced Config uration of the Ga teway Respond to Ping on Internet W AN Port If you want the gateway to respond to a 'ping' fr om the Internet, click the ‘Respond to Ping on Internet W AN Port’ check box. This should only be used as a diag nostic tool, since it allow[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Advanced Configuration of the Gateway 7-7 8. Click Apply to save your configuration. LAN IP Setup The LAN IP Setup menu allows configuration of LAN IP services such as DHCP and RIP . From the Main Menu of the browser in terface, under Advanced, click on LAN IP Setup to view the LAN IP[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-8 Advanced Config uration of the Ga teway DHCP By default, the gateway will function as a DHCP (D ynamic Host Configuration Protocol) server , allowing it to assign IP , DNS server , and default gateway addre sses to all computers connected to the gateway's LAN. The assigned def[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Advanced Configuration of the Gateway 7-9 • IP Subnet Mask This is the LAN Subnet Mask of the gateway. Combined with the IP ad dress, the IP Subnet Mask allows a device to know which other addre sses are local to it, and which must be reache d through a gateway or router . • RIP D[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-10 Advanced Configu ration of the Gate way From the Main Menu of the brow ser interface, under Advanced, cli ck on S tatic Route to view the St atic Route menu, sho wn in Figure 7-4 . Figure 7-4. St atic Route Summary T able T o add or edit a Static Route: 1. Select a number and clic[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Advanced Configuration of the Gateway 7-11 6. T ype the IP Subnet Mask for this destination. If the destination is a single host, t ype 255.255.255.25 5. 7. T ype the Gateway IP Address, which must be a router on the same LAN segment as the gateway. 8. T ype a number between 1 and 15 [...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-12 Advanced Configu ration of the Gate way[...]

Troubleshooting 8-1 Chapter 8 T roubleshooting This chapter gives informatio n about troubleshootin g your Model DG814 DSL Modem Intern et Gateway. After each problem desc ri ption, instructions are provided to help you diagno se and solve the problem. Basic Functioning After you turn on power to th e gateway , the following sequen ce of events sho[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-2 Troubleshooting • Check that you are using the 18 V AC power ad apter supplied by NETGEAR for this product. If the error persists, you have a hardware problem and shou ld contact technica l support. T est LED Never Blinks or LED St ays On When the gateway is turn ed on, the T est[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Troubleshooting 8-3 • If your gateway’ s IP address has been chan ged and you don’ t know the curr ent IP address, clear the gateway’ s configuration to factory defaults. This will se t the gateway’ s IP address to 192.168.0.1. This procedure is explaine d in “Erase the Co[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-4 Troubleshooting If the W AN LED does not turn green, disconne ct all telephones on the line. If this solves the problem, reconnect the telephones one at a tim e, being careful to use a microfilter on each telephone. If the microfilters are connected correc t ly , yo u should be abl[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Troubleshooting 8-5 • Y our ISP may require a login pro gram. Ask your ISP whether they require PPP over Ethernet (PPP oE) or PPP over A TM (PPPOA) login. • If you have selected a lo gin program, you may ha ve incorrectly set the Service Name, Use r Name and Password. See “T rou[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-6 Troubleshooting 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. If you entered a DNS addr ess during the gateway’ s confi[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Troubleshooting 8-7 • W rong physical connections — Make sure the LAN LNK/ACT LED is on. If the LNK/ACT LED is off, follow the instructions in “T roubleshooting the W eb Configuration Interfac e ” on page 8- 2 . — Check that the corresp onding Link LEDs are o n for your netw[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-8 Troubleshooting Restoring the Default Co nfiguration and Password This section explains how to restore the fact ory default configuratio n settings, changing the gateway’ s administration password to password and the IP address to 192.168.0.1. Y ou can erase the current configura[...]

Technical Specifications A-1 Appendix A T echnical Specifications This appendix provides techni cal specifications for the Mo del DG814 DSL Modem Internet Gateway. General Specifications Network Protocol and St andards Compatibility Data and Routing Protocols: TCP/IP RIP-1/RIP-2 DHCP server and DHCP relay RFC 1483, 2684 Bridged Ether net Encapsulat[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway A-2 Technical Specifications Japan: 100V , 50/60 Hz, input All regions (output): 18 V AC @ 0.4A output, 30W maximum Physical Specifications Dimensions: 255 by 169 by 34 mm 10.0 by 6.7 by 1.3 in. W eig ht: 0.54 kg 1.2 lb. Environment al Specifications Operating temperature: 0 ° to 40 ?[...]

Networks and Routing Basics B-1 Appendix B Networks and Routing Basics This chapter provides an overview of IP networks, routing, and firewalls. Basic Router Concept s Large amounts of bandwidth can b e provided eas ily and relatively inexpensively in a local area network (LAN). However, providing high bandwidth betwe en a local network and the Int[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway B-2 Networks and Routing Basi cs Routing Information Protocol One of the protocol s used by a router to build an d maintain a picture of the network is the Routing Information Protocol (RIP). Us ing RIP , routers periodically update one another and check for changes to add to the routi[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Networks and Routing Basics B-3 Figure B-1. Three Main Addres s Classes The five address classes are: • Class A Class A addresses can have up to 16,777,2 14 hosts on a single net work. They use an eigh t-bit network number and a 24-bit node number . Clas s A addresses are in this ra[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway B-4 Networks and Routing Basi cs This addressing structure allows IP addresses to uniquely identify each phys ical network and each node on each ph ysical network . For each unique value of the network port ion of the address, the base address of the range (host address of all zeros) i[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Networks and Routing Basics B-5 Subnet addressing al lows us to split one IP network ad dress into smaller multiple physical networks known as sub networks. Some of the node numbers are used as a su bnet number instead. A Class B address gives us 16 bits of node numbers translating to[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway B-6 Networks and Routing Basi cs The following table lists the additional subnet mask bits in dotted-decimal notation. T o use the table, write down the original class netmask and replace the 0 value octets with the dotted-decimal value of the additional subnet b its. For example, to p[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Networks and Routing Basics B-7 NETGEAR strongly recommends that you configur e all hosts on a LAN se gment to use the same netmask for the following reasons: • So that hosts recognize local IP broadcast packets When a device broadcasts to its segment neighb ors, it uses a destinati[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway B-8 Networks and Routing Basi cs The router accomplishes this address sharing by translating the internal LAN IP addresses to a single address that is globally unique on the Inte rnet. The internal LAN IP addresses can be either private addresses or registered addresses. For more infor[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Networks and Routing Basics B-9 MAC Addresses an d Address Re solution Protocol An IP address alone cannot be used to deliver da ta from one LAN device to another . T o send data between LAN devices, you must convert the IP ad dress of the destination device to its media access contro[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway B-10 Networks and Routing Ba sics IP Configuration by DHCP When an IP-based local area networ k is installed, each PC must be configured with an IP a ddress. If the PCs need to access the Intern et, they should also be config ured with a gateway address and one or more DNS server addre[...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Networks and Routing Basics B-11 Ethernet Cabling Although Ethernet networks originally used thick or thin coaxial cable, most installations currently use unshielded twisted pair (UTP) cabling. The U TP cable contains eight conductors, arranged in four twisted pairs, and terminat ed w[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway B-12 Networks and Routing Ba sics • Crossover cable A crossover cable is a special cable in which the transmit and receive pairs are exchanged at one of the two cable connectors. Crossover cabl es are often unmarked as such, and must be identified by compari ng the two connec tors. S[...]

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. ADSL See Asymmetric Digital Sub scriber Line Asymmetric Digital Subscriber Line A technology for sending data over regu la r telephone lines. AD SL allows data rate[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 2 Glossary IP Address A four-byte number uniquely defining each host on the Internet. Ranges of addresses are assigned by Internic, an or g anization formed for thi s purpose. Usually written in dotted-d ecimal notation with periods separating the bytes (for example, 134.1 77.244.57). [...]

Reference Manual for the Model DG814 DSL Modem Interne t Gateway Glossary 3 Network Address T ranslation A technique by which several hosts share a single IP address for access to the Internet. NID Network Interface Device. The point of demarcation, wh ere the telephone line comes into the house. Packet A block of information sent over a network. A[...]

Reference Manual for the Model DG814 DSL Modem Internet Gateway 4 Glossary VCI V irtual Channel Identifier . T ogether with the VPI, defines a V irtual Channel through an A TM network. Used by A TM sw itching equipment to route data through the network. VPI V irtual Path Identifier . T o gether with the VCI, defines a V irtual Chann el through an A[...]

i A Account Name 4-5, 4-7, 4-8 Address Resolution Protocol B-9 ADSL connecting through other jacks 2-7 connecting through RJ1 1 2-6 ARP B-9 Auto MDI/MDI-X 1-4, 2-6, B-11, B-12 Auto Uplink 1-4, 2-6 B backup configuration 6-7 C cables, pinout B-11 Cabling B-11 Cat5 cable 2-2, 2-5, B-12 Classical IP 1-2 configuration automatic by DHCP 1-4 backup 6-7 e[...]

ii DHCP Setup field, Et hernet Setup menu 6-2 DMZ 1-3, 5-2, 5-5 DNS Proxy 1-2, 1-4 DNS server 3-10, 3-11, 4-5, 4-6, 4-7, 4-9 DNS, dynamic 5-6 domain 3-10 Domain Name 4-5, 4-7, 4-8 domain name se rver (DNS) B-9 DSLAM 6-5 Dynamic DNS 5-6 E End Port 5-2 EnterNet 3-9 erase configuration 6-8 Ethernet cable 2-6, B-11 F factory settings , restoring 6-8 fe[...]

iii address information 3-9 establishing 3-8 IP addresses 3-10, 3-11 and NA T B-7 and the Internet B-2 assigning xiii, B-2 auto-generated 7-2 private B-7 translating xiv IP configuration by DHCP B-10 IP networking for Macintosh 3-6 for W indows 3-2, 3-5 K KALI 5-3 L LAN IP Setup Menu 5-7 LEDs 2-2 description 2-3 Linux 3-2 LLC-BASED multiplexing met[...]

iv Multiplexing, VPI, VCI 3-9 N NA T Status 5-4 NA T . See Network Address Translation NETGEAR contacting xiii netmask B-4 translation table B-6 Network Address T ranslation 1-2, 1-4, 3-9, B-7 disabling 5-4 Network T ime Protocol 5-6, 7-8 newsgroup 5-3 NNTP newsgroup 5-3 NTP 5-6, 7-8 P package contents 2-1 password restoring 7-8 PC, using to config[...]

v support 1-2 publications, related xiii Q Quake 5-3 R range, port forwarding 5-2 rear panel 2-3 requirements access device 2-2 hardware 2-2 reset button, clearing config 7-8 restore configuration 6-7 restore factory settings 6-8 RFC 1466 xiii, B-7 1597 xiii, B-7 1631 xiv, B-8 finding B-7 RIP B-2 RIP (Router Information Protocol) 5-9 router concept[...]

vi TCP/IP pro perties verifying for Macintosh 3-8 verifying for W indows 3-5, 3-6 technical support xiii time of da y 7-8 time zone 5-6 time-stamping 5-6 troubleshooting 7-1 T rusted Host 5-4 typographical conventions xv U UNIX 3-2 uplink switch B-11 V VC-BASED multiplexing metho d 4-9 VCI 3-9 VPI 3-9 VPI/VCI 6-3 autoconfiguration 4-9 configuration[...]