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SM-DG824MNA-0 Novemb er 2002 NET GEA R , Inc. 4500 G reat Americ a Parkwa y Santa Cla ra, CA 950 54 USA Pho ne 1- 888-N ETGE AR Reference Manual for the Model DG824M W ireless ADSL Modem Gateway.
ii © 2002 by NETGEAR, Inc. All rights reserved. T rademarks NETGEAR is a tradem ark of Net gear , Inc. Micros of t, W indow s, and Windows NT are regi stered tradem arks of Microsoft Corpo ration. Other bra nd and produ ct names are r eg istered t radem arks or tra dem arks of their respectiv e holders.
iii Bestätigung des Herstellers/Importeur s Es wird hi er mit bestäti gt, daß das DG824M Wireless ADSL M odem Gatewa y gemäß d er im BMP T -Amtsb lV fg 243/ 1991 und Vfg 46 /1992 auf geführ ten B estim mungen en tstört ist. D as vo rschriftsm äßige Betr eiben eini ger Ge räte ( z.
iv.
Contents v Content s Preface About This Guide Chapter 1 Introduction About the Gatewa y .................. ............. ....... ...... ....... ...... ....... ...... ...... ....... ............. ...... ... 1-1 Key Features .............. .............
vi Contents Chapter 3 Wireless Configuration Considerati ons For A Wirel ess Network ...... ............. ................... ................... ............. ... 3-1 Implement Appropria te Securit y ............ ................... ............. ...
Contents vii Activatio n and Admi nistration ......... ................... ................... ............. .............. 5 -12 Dropped Pac kets ........ ............. .................... ................... ............. ................... . 5-12 Enablin g Security E vent E-mai l Notificati on .
viii Contents Restoring th e Default Co nfiguration and Pa ssword ........ ................... ............. ................ 7-9 Problem s with Dat e and T ime .. .................... ............. ................... ............. ..................
Contents ix Appendix C Prep aring Y our Network Preparing Y our Co mputers for TCP/IP Netwo rking ............... ............ .................... ........ C-1 Configur ing Wind ows 95, 98, and Me for TCP /IP Networkin g ........... .................
x Contents.
1 List of Procedures Procedur e 2-1: Record Y our Inte rnet Conne ction Information ......... .................... ......... 2-4 Procedur e 2-2: Connectin g the Gateway ... ............. ................... ............. ................... ... 2-5 Procedur e 2-3: Auto-Dete cting Y our In ternet Connec tion T yp e .
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About This Gui de 3 Preface About This Guide Thank you f or purchasing th e NETGEAR ™ DG824M W ireless ADSL Modem Gateway. Audienc e This ref erence manual assumes that the reader has basi c to inte rmediate comput er and Internet skills .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4 About Thi s Guide T ypo graph ical Conven tions This gui de uses the fo llowing t ypographical conv entions: ital ics Book titles and UNIX file, command, and d irectory names. courier font Scree n tex t, use r-typed comma nd-li ne e n trie s.
Introduc tion 1-1 Chap ter 1 Introduction This cha pte r desc ribes the f eatures of the NETGEAR DG824M W ireless ADSL Modem Gatewa y. The DG824M gate way is a combinatio n of a buil t-in ADSL modem, .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 1-2 Introduc tion • 802.1 1b Standards -based wireless networkin g • Co ntent Filte ring • Auto Sensi ng and Auto Uplink™.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Introdu ction 1-3 Content Filtering W ith its content f iltering fe ature, the DG82 4M preven ts objectionabl e content fro m rea ching your PCs. The gateway al lows you to c ontrol access t o Intern et content by scr eenin g for keywor ds within W eb addresse s.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 1-4 Introduc tion • DNS Proxy When DHCP is enabled an d no DNS addresses are speci fied, the gatewa y provides its o wn address as a DNS server to the a tt ac hed P C s.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Introdu ction 1-5 • Diagno stic fun ctions The gate way incorpora te s bu il t- in diagnostic fu nct ion s s uch as Ping, DNS lo okup, and remote reboot. These functions a llow you to test Internet connectivity a nd reboot the gateway.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 1-6 Introduc tion What’ s in the B ox? The produc t package shou ld contai n the following i tems: • DG824M W ireless ADSL Mo.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Introdu ction 1-7 Y ou can use the LEDs to verif y various conditions. Ta b l e 1 - 1 lists a nd descri bes each LED on the front p anel of the rout er . These LEDs are gr een when li t.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 1-8 Introduc tion The Gateway’ s R ear Panel The rear panel of the DG824M W ireless ADSL Modem Gate way ( Figure 1-2 ) contains p ort connecti ons.
Connectin g the Gate way to the Internet 2-1 Chap ter 2 Connecting the Gate way to the Internet This chap ter describes how to set up the ga teway on your Local Area Network (LAN), con nect to the In .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-2 Connectin g the Gateway to the Inter net Computer Hardw are Requi re ments T o use the DG82 4M gateway on your n etwork, each compute r must have an inst alled Et hernet Network In terface Card (NI C) and a n Ethernet cable, or a 802.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-3 • For W indows 95/ 98/ME, open t he Network control panel, select t he TCP/IP ent ry for the Ethernet adapter , and click Properties.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-4 Connectin g the Gateway to the Inter net Procedure 2-1: Record Y our Internet Connection Information Print t his page. Fill i n the conf iguration para meters from your I nternet S ervice Provider (ISP).
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-5 Connecting the DG82 4M Wireless ADSL Mod em Ga teway to Yo u r L A N This sec tion provides i nstructi ons for connect ing the DG824M gatewa y.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-6 Connectin g the Gateway to the Inter net 1. Connect the DG824M. a. T urn off your compute r . b. Connec t the cabl e ( A) from the DG824M ADSL port to your ADSL outlet, b eing sure to properl y connect the wir es as shown in the illustratio n below .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-7 c. Connect t he Ethernet cable ( B) from y our DG824M’ s LAN port to a compu ter . Figure 2 -2: Conn ect the gatew ay to a comp uter Note: The DG824M ga teway incorporate s Auto Uplink TM techn ology .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-8 Connectin g the Gateway to the Inter net Note : For i nst ru ctions on co nnec ti ng comput er s t o the DG824M via wir el ess l in ks, please see the Chapter 3, “ W ireles s Configuration” .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-9 3. Connect to the Internet . Figure 2-5: Setup Wizard a. Y ou are no w connect ed to the gateway. If you do no t see the menu above , click the Setu p W izard li nk on th e upper le ft of the main menu.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-10 Connectin g the Gate way to the I nternet • Let the D G824M auto- detect the type of Inter net connection yo u have and configu re it. • Manual ly choose whi ch type of Inte rnet connection you have and config ure it.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-11 • Fixed IP a ddress assignment Next, the Setup W izard w ill r eport whic h connec tion type it has di scovered, and then displ ay the appr opriate configuration me nu.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-12 Connectin g the Gate way to the I nternet Note: Y ou will no lon ger need t o launch t he ISP’ s login program on your PC in order to access the Int ernet. When y ou start an Int ernet appl ication, your g a teway will automat ically log you in.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-13 1. Enter you r Login and Pass word. These f i elds are case sensiti ve. If you wish to change the login time out, enter a new v alue in min u tes .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-14 Connectin g the Gate way to the I nternet Procedure 2-6: Wizard -Detect ed Dynamic IP Account Setup If the Setup W izard d e.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-15 If your ISP allows access from only on e specif ic computer’ s Etherne t MAC address, s elect “Use thi s MAC address.” The gateway will t hen captur e and use t he MAC address of the computer that you are now usi ng.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-16 Connectin g the Gate way to the I nternet 2. Enter t he IP address of yo ur ISP’ s Primary DNS Ser ver . If a Sec onda ry DNS Server add ress is avail abl e, ente r it also .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-17 Manually C onfiguring Y our Inte rnet Con nection Y ou can manua lly conf igure your gateway using the menu below , or you can all ow the Setup W izard to d etermine your conf igurati on as described in the previous section.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-18 Connectin g the Gate way to the I nternet Procedure 2-8: Manual Co nfiguration Y ou can manua lly conf igure the gateway in the Basic Set tings menu s hown in Figure 2-1 1 using these s teps: 1.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Connecti ng the Ga teway to th e Internet 2-19 b. Intern et IP Add re ss: If your ISP has ass igned you a perma nent, fix ed (stat ic) IP add ress for your PC, sel ect “Use stat ic IP ad dres s ”.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2-20 Connectin g the Gate way to the I nternet.
Wirele ss Confi guration 3-1 Chap ter 3 Wireless Configuration This chap ter describes how to configure t he wireless fea tures of your DG824M W ireless ADSL Modem Gateway. Consid eration s For A W ireless Ne twork In plann i ng your wireless ne twork, you should co nsider the leve l of secur ity requ ired.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 3-2 Wireless Confi gu ra tio n For best results, place your gateway: • Ne ar the c ente r of the area i n whi ch you r PC s will opera te. • In an el evated locatio n such as a high shelf.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Wire less Con figur ation 3-3 • Iden tifica tion . — Regula tory Domain. This field disp lays the region of operation fo r which the wirel ess inter face is int en ded. It ma y not b e lega l to op era te the ga tewa y in a r egi on oth er tha n the region s hown here.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 3-4 W ir el ess Confi gu ratio n 3. Set the C hann el. This fi eld determines whi ch operating fr equenc y will be us ed.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Wire less Con figur ation 3-5 Procedure 3-2: Restri cti n g Wireless Access by MAC Address T o restri ct access based on MAC addresses, fol low these steps: 1.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 3-6 W ir el ess Confi gu ratio n Configuring Wired Equivalent Pri vacy (WEP) Figure 3-3.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Wire less Con figur ation 3-7 • Automatic - Enter a word or group of printable char acters i n the Passphrase box and click t he Generat e button. T he keys will be aut omatical ly populat ed with key values .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 3-8 W ir el ess Confi gu ratio n • Automatic - Enter a word or group of printable char acters i n the Passphrase box and click th e Generate button. Select w hic h of the f our keys will be a ctive.
Protect ing Your Network 4-1 Chap ter 4 Protectin g Y o ur Netw ork This chap ter descri bes how to us e the basic fir ewall fea tures of the DG824M W irele ss ADSL Modem Gate way to prot ect your ne twork. Protecting Acce ss to Y our DG824M Wir e less ADSL Modem Gateway For secur ity reasons, the g ateway has its own u ser name and password.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-2 Protecting You r Network 2. From the Mai n Menu of the browser interface, unde r the Maintenance heading, select Set Password t o bring up the menu shown in Figure 4-2 . Figure 4-2: Set Password menu 3.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Protecti ng Your N etwork 4-3 Configuring Bas ic Firewa ll Serv ices Basic fi rewall servic es you c an configu re include acce ss blocking and sc heduling of fir ewall secur ity .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-4 Protecting You r Network 2. Click on t he Block Si tes link of the Security menu. Figure 4-3: Block Sites menu 3. T o enabl e keyword bl ocking, che ck “T urn keyword blocking on”, ent er a keyword or domain in the Ke yword box, click Add Key word, then click App ly .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Protecti ng Your N etwork 4-5 6. Click Appl y to save y our settings. Rules Firewal l rules are use d to block or allow speci fic traf fic pas sing throug h from one side to the other .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-6 Protecting You r Network T o acces s the Rule s configuratio n of the DG824M, click t he Rule s link on t he main menu, then click Add for eit her an Outbound or I nbound Se rvice.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Protecti ng Your N etwork 4-7 Inbound Ru les (Port Forward ing) Because t he DG824M use s Network Addr ess Tr anslation (NA T), your net work prese nts only one IP addre ss to the Inter net, and outside users cannot dir ectly address any of your local computers.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-8 Protecting You r Network The param eters a r e: •S e r v i c e From this list, select the app licati on or servi ce to be a llowed or blocked . The list alrea dy display s many common services , but you ar e not limited to these choi ces.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Protecti ng Your N etwork 4-9 Inbound Rule Example: Allowing V ideoconference from Restricted Addresses If you want to allow inc .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-10 Protecti ng Your N etwork Outbound Ru les (Service Blocking) The DG824M all ows you to block the use of cer tain Internet service s by PCs on you r network. This is called serv ice blocki ng or p ort fil tering.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Protecti ng Your N etwork 4-11 The param eters a r e: •S e r v i c e From this list, select the app licati on or servi ce to be a llowed or blocked . The list alrea dy display s many common services , but you ar e not limited to these choi ces.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-12 Protecti ng Your N etwork Order of Precedence for Rules As you defi ne new rules, the y are added to the tables i n the Rule.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Protecti ng Your N etwork 4-13 Service s Service s are functions performed by serv er computer s at the reques t of clie nt computers.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-14 Protecti ng Your N etwork • T o delet e a n e xisting Servi ce , se lect its bu tt on on the left side of the table and cl ick Delete. 3. Modify the menu shown below fo r defini ng or ed iting a s ervice.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Protecti ng Your N etwork 4-15 2. Click on t he Schedul e link of the Sec urity menu to display menu sho w n below . Figure 4-1 1: Schedule Services menu 3. Select your T ime Zone.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4-16 Protecti ng Your N etwork Procedure 4-5: Scheduling Firewall Services If you enabl ed s ervic es blo cking in the Bloc k Serv ices m enu o r Port forw ardin g in the Ports menu , you can se t up a schedule f or when blocking occurs or when acces s isn't restr icted.
Managing Yo ur Network 5-1 Chap ter 5 Managing Y our Network This chap ter describes how to perform networ k management tas ks with you r DG824M W ireless ADSL Modem Gateway. Backin g Up, Restoring, or Erasin g Y our Setting s The confi guration sett ings of the DG824M g ateway are stored in a conf igurati on file in the gateway.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-2 Managing You r Network 2. From the Mai nte nance heading of t he Main Men u, select the Set ti ngs Bac kup men u as seen in Figure 5 - 1 . Figure 5-1: Settings Backup menu 3. Click Bac kup to save a copy of the current s ettings.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-3 Procedure 5-7 : Restore a Con figuration from a F ile 1.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-4 Managing You r Network Upgrade f i les can be downlo aded from NETGEAR's websit e. If the upgrade fi le is compres sed (.ZIP file ), you must firs t ext ract the bi nary ( .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-5 Netw ork Manage ment Inf ormat ion The DG824M provi des a variety of status and usage informat ion which i s discussed bel ow .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-6 Managing You r Network This scre e n show s the foll o wing par am eter s: T able 5 -1. Menu 3.2 - Gatewa y St at us Fields Field Descrip tion System Name The Host Nam e assign ed to the gatew ay in the Basic Settings m enu.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-7 Click on t he “Sho w Stat istics” butt on to displ ay gateway usage statist ics, as sh own in Figure 5-3 belo w: Figure 5-4: G ateway Statistics scree n This scree n show s the follo wing stat is tics : .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-8 Managing You r Network Click on t he “Sho w W AN St atus” button to d i splay gateway W AN connecti on status, as shown in Figure 5 - 5 be low : Figure 5-5: Gat eway W AN Status screen Clickin g the Renew button up dates the stat us informat ion.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-9 V i ewing Att ached Devices The Attac hed Devices menu cont ains a table of all IP de vices that the gateway has discovered on the lo cal netwo rk.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-10 Managing Y our Netwo rk V i ewing, Selecting, an d Saving Logged I nformation The gatewa y will log secur ity-related e vents such as den ied incoming se rvice re quests, hacker probes, a nd administ rator l ogins.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-11 Log e n trie s a re des cribe d in Ta b l e 5 - 1 Log acti on buttons are de scribed in T able 5- 8 Selecting What Inf ormati on to Log Besides t he standard inf ormation lis ted above, you can ch oose to log additio nal information.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-12 Managing Y our Netwo rk • Ro uter o perat ion (s tart up , get time , etc . ) • Known DoS att acks and Port Scans Saving Log Fi les on a Server Y ou can choose t o write the logs to a PC runni ng a sysl og pr ogr am.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-13 Enab lin g Se cu rit y Ev ent E-mail Notific at ion In order to recei ve logs and aler ts by e-mai l.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-14 Managing Y our Netwo rk • Send aler t immediately Check thi s box if you wo uld li ke immediate notific ation of a signifi cant secur ity event , such a s a known att ack, port scan, o r attempted acce ss to a bl ocked site.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-15 Runn in g Di agnostic Utili tie s and Rebootin g the Rou ter The DG824M gat eway has a diagnosti cs f eat ur e.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-16 Managing Y our Netwo rk Enabling R emote Management Using the Remote Management page, you can all ow a user or users on t he Internet to co nfigure, upgrade a nd check the stat us of your NETGEAR Cable/DSL ProSafe VPN Fi rewall.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Managin g Your Ne twork 5-17 6. Click Appl y to have your chan ges take ef fect.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 5-18 Managing Y our Netwo rk.
Adva nced Configur ation 6-1 Chap ter 6 Advanced Configur ation This chap ter describes how to configure t he advanced feat ures of you r DG824M W ireless ADSL Modem Gateway.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 6-2 Advanced Configu ra tio n Incoming t raffic f rom the In ternet is normal ly discarded by the gateway unles s the tra ffi c is a respons e to one of your lo cal comp uters or a service that you have configure d in the Ports menu .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Advanc ed Configu ration 6-3 Configurin g LAN IP Settings The LAN IP Set up menu allows confi guration of LAN IP s ervices s uch as DHCP and RIP . These featur es can be found unde r the Advanced hea ding in the Main Menu of t he browser interface.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 6-4 Advanced Configu ra tio n The LAN TCP/IP Se tup paramet ers are: • IP Addres s This is the LAN IP addres s of the ga teway. • IP Subnet M ask This is the LAN Subnet Mask of the gate way.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Advanc ed Configu ration 6-5 Any packet s sent through t he gateway that a re lar ger than the c onfigure d MTU size wi ll be repac kage d into smal le r pa ck ets to meet the MT U req u ireme nt.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 6-6 Advanced Configu ra tio n • WINS Serv er , s hort for W indows Internet Naming Service Server , determines the IP address associated with a particular Wi ndow s computer .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Advanc ed Configu ration 6-7 2. From the Mai n Menu , und er Advanced, clic k the LAN IP Setup li nk to view the menu , sh own in Figure 6-3 Figure 6-3: LAN IP Setup Menu 3. Ente r the T C P/IP , M TU, DH CP , o r R eser ved IP p aram eters .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 6-8 Advanced Configu ra tio n The gatewa y contains a cli ent that can con nect to a dynamic DNS service pr ovider . T o use t his featur e, you must se lect a servic e provider and obt ain an account wi th them.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Advanc ed Configu ration 6-9 Using St atic Routes S tatic Ro utes provi de additional r outing i nformation to your gateway.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 6-10 Advanc ed Configu ra tio n Procedure 6-3: Configu ring St atic Rou tes 1. Log in to the gateway at it s defaul t LAN address of htt p://192 .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Advanc ed Configu ration 6-11 c. Select Act iv e t o mak e this route effectiv e. d. Select Private i f you w ant to limi t acc ess to the L AN on ly . The s tatic r oute w ill no t be re porte d in R IP .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 6-12 Advanc ed Configu ra tio n.
Troubles hooting 7- 1 Chap ter 7 T roubleshooting This chap ter gives info rmation about troubles hooting your DG824M W ireless ADSL Mo dem Gateway. Afte r each problem descri ption, instru ctions are provided to help you diagnose and solve the prob lem.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 7-2 Troubl eshootin g b. The LAN port LEDs are lit for a ny local ports that are connected. c. The W AN port LED is lit. If a por t’ s LED is lit, a link has been es tablished to th e connecte d device.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Troub leshooti ng 7-3 • Make sur e that t he Etherne t cable connect ions are s ecure at the gat eway and at the hub or workstat ion. • Make sur e that po wer is turned on t o the conne cted hub or workst ation.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 7-4 Troubl eshootin g • When ent ering con figurati on setti ngs, be sur e to click the APPL Y button bef ore moving t o another menu or tab, or your changes ar e lost. • Click th e Refresh or Reloa d button i n the W eb browser .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Troub leshooti ng 7-5 W AN LED Off If the W AN LED is of f , di sc onne ct a ll telephones o n the line. If th is solves th e pr obl em, re con n ec t the te lephon es one at a time , being c areful to use a microfi lter on each te lephone.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 7-6 Troubl eshootin g • Y our ISP may check for your PC's host name. Assign t he PC Host Name of your I SP account t o the gateway in t he browser -based Set up Wi z a r d .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Troub leshooti ng 7-7 A DNS server is a host on the Int ern et that tr ans lates Internet names (such as www addres ses ) to nume ric IP add r esses. T ypicall y your ISP will pro vide the address es of o ne or two DNS server s for your use .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 7-8 Troubl eshootin g — Ma ke sur e the LAN port LED is on . If the LE D is off, fol low th e instr uctio ns in “LAN or W AN Port LEDs Not On ” on page 7- 2 .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Troub leshooti ng 7-9 Restor in g the Def ault Configura tion and Pa ss word This sec tion explains ho w to restore the factory defaul t config uration setti ngs, changing the router’ s a dministr ation pas sword to p assword and the IP address to 192.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 7-10 Troubl eshootin g.
Techni cal Spec ificati ons A-1 Append ix A T echnica l Specifications This appe ndix provides te chnical s pecification s for the DG824M W ireless ADSL Mode m Gateway.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway A-2 Technical Specif ications Operati ng humidity : 90% m axim um re lative hu m idity , no ncon dens ing Electromagneti c Emissi.
Network a nd Routi ng Basi cs B-1 Append ix B Network an d Routing Basics This chap ter provides an overview of IP net works, r outing, an d wireless networ king. Relate d Publication s As you rea d this doc ument, you may be di rected t o various RFC documents for fur ther informat ion.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-2 Netw ork and R outing Basics What is a Router? A router is a de vice that for wards tra ff ic between networ ks based on netwo rk layer infor mation in the da ta and on rout i ng ta bles maintai ne d b y the router .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Network and Routin g Basics B-3 The latt er version is easier t o remember an d easier to ente r into yo ur computer . In addit ion, the 32 bits of the address a r e subdivided i nto two parts.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-4 Netw ork and R outing Basics •C l a s s C Class C ad dresses can have 254 hosts on a networ k. Class C address e s use 24 bits fo r the network a ddress and eight bits for the node.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Network and Routin g Basics B-5 As a short er a lternative to dot ted-decimal n ota ti on, t he netmask may also be e xpressed in terms o f the number of ones fro m the lef t. This number is appende d to the IP a ddress, followin g a backward slash ( / ), as “/ n.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-6 Netw ork and R outing Basics Although t he preceding example use s the entire t hird octet for a subnet address , note that you ar e not res t ricted to octet boundaries in su bnetting.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Network and Routin g Basics B-7 NETGEAR strongl y recommen ds that yo u configure all hos ts on a LAN segment to use the same net.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-8 Netw ork and R outing Basics Single IP Address Operation Using NA T In the past, if mu ltiple PCs on a LAN nee de d to ac cess the I nt erne t simu ltane ousl y , y ou ha d to obtain a range of IP addr esses from the ISP .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Network and Routin g Basics B-9 This sch eme offers t he additional b enefit of fir e wall-like pro tection because the in ternal LA N addre sses are n o t avai labl e to th e Inte rnet th ro ug h the transl ate d c onne cti on .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-10 Network a nd Routi ng Basi cs Domain Name Server Many of the resources on the Inte rnet can be addre ssed by simple descript ive names such a s www .
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Network and Routin g Basics B-11 Ethern et Cabling Although Et hernet networks originally used thick or thin coaxi al cable, most in stallations cur rently use unshi elded twisted p air (UTP) c abling.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-12 Network a nd Routi ng Basi cs Cable Qu a lity A twiste d pair Ethernet ne twor k op erating at 10 Mbi ts /s eco nd ( 10BASE-.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Network and Routin g Basics B-13 St ateful Packet Inspection Unlike si mple Inter net shari ng routers , a fire wall uses a p rocess cal led stat eful packe t inspection to ensure s ecure firewall filtering to pr otect you r network from att acks and i ntrusions.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-14 Network a nd Routi ng Basi cs Ad Hoc Mode (Peer-to-Peer Workgr oup) In an ad hoc network , computers a re brought together as needed; t hus, th ere is no st ructure or fixed points t o the network - e ach node can genera lly communicat e with any o t her node.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Network and Routin g Basics B-15 Authentication and WEP Encryption The absenc e of a physical connection bet ween nod es makes the wireless link s vulnerab le to eavesdr opping and i nformation thef t.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway B-16 Network a nd Routi ng Basi cs The radi o frequency channe ls used are lis ted in T able 7-2 : Note: The avai lable channel s sup ported by the wirel ess pr oducts i n variou s countr ies ar e dif fer ent.
Preparin g Your Ne twork C-1 Append ix C Prep ar ing Y our Networ k This app endi x desc ribes how to pr epare your n etwork to connec t to the Inte rnet throug h t he Model RP614 W eb Safe Router and how to ve rify the readi ness of broadband Internet serv ice from an Inter net se rvice pro vi der (I SP).
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-2 Prepari ng Your Netwo rk • All versi ons of UNIX or Linux incl ude TCP/IP compon ent s. Fol low the inst ru cti ons provi ded with your operating system or networking softwa re to ins tall TCP/IP on your computer .
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-3 Y ou must hav e an Ethern et adapter , the TCP/I P protocol, and Cli ent for Mic rosoft Networks. If you ne ed to install a new adap ter , follow these st eps: a. Click th e Add button.
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-4 Prepari ng Your Netwo rk If you ne ed Client for Microsoft Netw orks: a. Click th e Add button. b. Select C lient , and th en click Ad d. c. Select Mi cr osof t. d. Select C lient for Mic rosoft Net works, and t hen click OK.
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-5 V erify the fo llowing sett ings as shown: • Cli ent fo r Mic ro sof t N etwo r k exis ts • Eth e rnet a dapte r is pre sent •T C P / I P i s p r e s e n t • Prim ary N etw ork L ogon is set to W indows logon Click on t he Pr operties but ton.
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-6 Prepari ng Your Netwo rk Selecting Wi ndows’ Internet Access Method 1. On the W indows taskb ar , click th e S tart bu tt on, poi nt to Settings, an d then click Cont rol Panel. 2. Doub l e-cl ick th e Inte rnet O p tions icon .
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-7 2. T ype winipcfg , a nd then cl ick OK. The IP Configuratio n window ope ns, which li sts (among other things ), your IP a ddress, su bnet mask, and de fault gateway .
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-8 Prepari ng Your Netwo rk DHCP Configuration of TCP/IP in Windows XP , 2000, or NT4 Y ou will fi nd there are many s imilarities in t he procedu res for dif ferent W indows sys tems when using DHCP to configure TCP/IP .
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-9 • Now you should be at the Local Area Network Conn ection Sta t us window . This box displ ays the connecti on statu s, duration, speed , and a ctiv i ty st at isti cs.
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-10 Prepari ng Your Netwo rk DHCP Configuratio n of TCP/IP in Windows 2000 Once agai n, after y ou have install ed the net work card, TCP/ IP for W indows 2000 is configur ed. TCP/IP shou ld be added by defa ult and set to DHCP wi thout your having to configure it .
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-11 • Click on the My Network Places ico n on the W indows deskto p. This will br in g up a window called Network and Dial-up Connection s. • Right click on Lo cal Area Connect ion and se lect Pr operties .
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-12 Prepari ng Your Netwo rk • Wi th Inte rnet Protocol ( TCP/IP) sel ected, clic k on Properti es to open th e Interne t Protocol (TCP/IP) P roperties dial ogue box. • V erif y th at • Obtain an IP addr es s automa t ic all y is select ed.
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-13 DHCP Configuratio n of TCP/IP in Windows NT4 Once you ha ve installed t he network c ard, you nee d to configure the TCP/ IP environment f or W indows NT 4.0. Fol low this p rocedure to c onfigure TCP/IP with DHCP i n Windo w s NT 4.
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-14 Prepari ng Your Netwo rk • Highlight the TCP/IP Pr otocol in the Network Proto cols box, and click on the Pro perties butt on.
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-15 V erifying TCP/IP Properties for W indows XP , 2000, and NT4 T o check your PC’ s TCP/IP configu ration: 1. On the W indows taskbar , click the S tart bu tton, and t hen clic k Run.
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-16 Prepari ng Your Netwo rk • The defau lt gateway is 192 .168.0.1 4. T ype exit Configur in g the Macint osh for TCP/IP Ne tworking Beginning with Macintosh Oper ating Syst em 7, TCP/IP is alre ady insta lled on t he Macintosh .
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-17 2. If not alre ad y sel ecte d, sele ct Bu ilt- in Ethe rnet in the C onfig ure li st. 3. If not a lready s elected, S elect Using DHCP in the TCP/ IP tab. 4. Click Sav e.
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-18 Prepari ng Your Netwo rk V erif yi ng th e Re adines s of Y our Inter ne t Acco unt For broad band access t o the Inte rnet, you need to contract wit h an In ternet s ervice provider (ISP) for a si ngle-user Inter net access accou nt using a cable modem or DSL mode m.
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-19 • An IP a ddress and subnet mask • A gate way IP addre ss, which is the a ddress of the ISP ’ s router • O.
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-20 Prepari ng Your Netwo rk If an I P address a ppears under Instal led Gateways, write d own the address. Thi s is the ISP’ s gateway a ddress. Select t he addres s and then click R emove to r e move the gateway ad dress.
Referen ce Manual for the Model RP61 4 Web Safe Route r Prepari ng Your Netwo rk C-21 Rest arting the Network Once you’v e set up your c omputers to work with the fir ewall, you m ust res et the network f or the devices to be abl e to communicat e cor rectl y .
Referenc e Manual f or the Mod el RP614 W eb Safe Ro uter C-22 Prepari ng Your Netwo rk.
Glossary 1 Glossary 10BASE-T IEEE 802.3 specification for 1 0 Mbps Ethern et over twisted p air wiring . 100BASE-Tx IEEE 80 2.3 speci fication for 1 00 Mbps Et hernet over t wisted pai r wiring.
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 2 Glossar y Dynamic Host Configuration Protocol DHCP . An Ethernet protocol specifying how a centralized DHCP server can assign network configuration information to multiple DHCP clients.
Referenc e Manual for the Mo del DG824M W ireless ADS L Modem G ateway Glossa ry 3 NA T See Network Address T ranslation . Netmask A number that ex plains which part of an IP addr ess comprises the network address and which par t is the host ad dress on that network .
Referenc e Manual f or the Mod el DG824 M Wireless A DSL Modem Gateway 4 Glossar y subnet ma sk See netmask. UTP Unshielded twisted pair . The cable used by 10BASE-T and 100BASE-Tx Ether net netw orks. VCI V irtual Channel Identifier . T o gether with the VPI, defines a V irtual Channel through an A TM network.
Index 1 Numerics 802.11b B-13 A Account Na me 2-14, 2-1 8 Addre ss Res o lution Protoc ol B-9 ad-hoc mode B-14 Auto Uplink 1-3 B backu p co nfigu r ation 5-1 BSSID B-14 C Cabling B-1 1 Cat5 cable 2- 2.
2 Index G gateway ad dress C-20 H host n ame 2-14, 2-18 I IANA contacti ng B-2 IETF B-1 W eb sit e address B-7 inboun d rules 4- 7 infrastructure mode B-14 installatio n 1-4 Internet a ccount address .
Index 3 placemen t 3-1 port filterin g 4-10 port fo rwarding 4-7 port fo rwarding behind NA T B-9 port numb ers 4-13 PPP over Eth er ne t 1- 4, C-18 PPPoE 1- 4, 2-1 1, 2-12, C-18 Primary DNS Server 2 .
4 Index WEP e ncryp tion 1-2 WEP , Key s 3-6 Wi - F i B-13 W indows, configurin g for IP ro uting C-2, C-7 winipcfg utili ty C-6 Wi n P O E T C-18 WINS 6-6 W ired Equ ivalen t Priva cy .
Een belangrijk punt na aankoop van elk apparaat NETGEAR DG824M (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
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