Manuale d’uso / di manutenzione del prodotto DG814 DSL del fabbricante NETGEAR
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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.
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.
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Contents v Content s About This Guide T echnical Support ............... ............. ................ ............. ............. ................ ............. ......... x iii Related Publications .... ................ ............. ...............
vi Contents V erifying Power ..... ................ ............. ................ ............. ................. ................ ........ 2-7 Chapter 3 Prep aring Y our Network Preparing Y our Personal Computers for IP Networking ..................
Contents vii Logs ................ ............. ................ ............. ............. ................ ............. ................ ..... 5 -2 Log entries are described in T able 5-1 ......................... ................ ...............
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.
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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.
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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.
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.
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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.
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 Inter.
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.
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.
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.
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.
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.
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.
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 adap.
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 .
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.
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.
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.
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).
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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”.
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.
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.
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 .
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.
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.
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 mus.
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.
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.
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 .
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 .
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:.
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 .
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 .
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.
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 .
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.
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.
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.
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.
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 .
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.
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.
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 .
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
Technical Specifications A-1 Appendix A T echnical Specifications This appendix provides techni cal specifications for the Mo del DG814 DSL Modem Internet Gateway.
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.
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).
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).
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.
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 .
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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 b.
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 .
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 .
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 disabli.
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.
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 typograp.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il NETGEAR DG814 DSL è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del NETGEAR DG814 DSL - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso NETGEAR DG814 DSL imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul NETGEAR DG814 DSL ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il NETGEAR DG814 DSL, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del NETGEAR DG814 DSL.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il NETGEAR DG814 DSL. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo NETGEAR DG814 DSL insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
