3Com 3CRWE754G72-A, 3CRWE754G72-B Bedienungsanleitung

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Richtige Gebrauchsanleitung

Die Vorschriften verpflichten den Verkäufer zur Übertragung der Gebrauchsanleitung 3Com 3CRWE754G72-A, 3CRWE754G72-B an den Erwerber, zusammen mit der Ware. Eine fehlende Anleitung oder falsche Informationen, die dem Verbraucher übertragen werden, bilden eine Grundlage für eine Reklamation aufgrund Unstimmigkeit des Geräts mit dem Vertrag. Rechtsmäßig lässt man das Anfügen einer Gebrauchsanleitung in anderer Form als Papierform zu, was letztens sehr oft genutzt wird, indem man eine grafische oder elektronische Anleitung von 3Com 3CRWE754G72-A, 3CRWE754G72-B, sowie Anleitungsvideos für Nutzer beifügt. Die Bedingung ist, dass ihre Form leserlich und verständlich ist.

Was ist eine Gebrauchsanleitung?

Das Wort kommt vom lateinischen „instructio”, d.h. ordnen. Demnach kann man in der Anleitung 3Com 3CRWE754G72-A, 3CRWE754G72-B die Beschreibung der Etappen der Vorgehensweisen finden. Das Ziel der Anleitung ist die Belehrung, Vereinfachung des Starts, der Nutzung des Geräts oder auch der Ausführung bestimmter Tätigkeiten. Die Anleitung ist eine Sammlung von Informationen über ein Gegenstand/eine Dienstleistung, ein Hinweis.

Leider widmen nicht viele Nutzer ihre Zeit der Gebrauchsanleitung 3Com 3CRWE754G72-A, 3CRWE754G72-B. Eine gute Gebrauchsanleitung erlaubt nicht nur eine Reihe zusätzlicher Funktionen des gekauften Geräts kennenzulernen, sondern hilft dabei viele Fehler zu vermeiden.

Was sollte also eine ideale Gebrauchsanleitung beinhalten?

Die Gebrauchsanleitung 3Com 3CRWE754G72-A, 3CRWE754G72-B sollte vor allem folgendes enthalten:
- Informationen über technische Daten des Geräts 3Com 3CRWE754G72-A, 3CRWE754G72-B
- Den Namen des Produzenten und das Produktionsjahr des Geräts 3Com 3CRWE754G72-A, 3CRWE754G72-B
- Grundsätze der Bedienung, Regulierung und Wartung des Geräts 3Com 3CRWE754G72-A, 3CRWE754G72-B
- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

Warum lesen wir keine Gebrauchsanleitungen?

Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von 3Com 3CRWE754G72-A, 3CRWE754G72-B zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von 3Com 3CRWE754G72-A, 3CRWE754G72-B und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service 3Com finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von 3Com 3CRWE754G72-A, 3CRWE754G72-B zu überspringen, wie es bei der Papierform passiert.

Warum sollte man Gebrauchsanleitungen lesen?

In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts 3Com 3CRWE754G72-A, 3CRWE754G72-B, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

Nach dem gelungenen Kauf des Geräts, sollte man einige Zeit für das Kennenlernen jedes Teils der Anleitung von 3Com 3CRWE754G72-A, 3CRWE754G72-B widmen. Aktuell sind sie genau vorbereitet oder übersetzt, damit sie nicht nur verständlich für die Nutzer sind, aber auch ihre grundliegende Hilfs-Informations-Funktion erfüllen.

Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    http://www.3com.com/ Part No. DU A-0075-4A AA 01 Rev . 01 Publ ished Ja nuary 2 004 Of ficeCo nnect AD SL W ireless 11g Fir ewal l Rout er User Gui d e 3CRWE754G72 -A 3CRWE754G72 -B WL-540A WL-540B[...]

  • Seite 2

    3Com Cor poratio n 350 Ca mpu s Dri ve, Mar lboro ugh, MA USA 01752-3 064 Copyri ght © 20 04, 3Com C orpor ation. Al l right s reserved. N o part of thi s docu mentat ion may be reprod uced in any for m or by a ny me ans or us ed to make any d eriva tive work (such as tran slation , transfor mation, o r adapta tion) withou t wr itten permissi on f[...]

  • Seite 3

    C ONTEN TS A BOUT T HIS G UIDE Naming C onvention 7 Conventions 8 Feedback about this User Guide 8 Related Doc umentation 9 1 I NTR ODUC ING THE R OUTER Offi ceConnect ADSL W ireless11g Fir ewall Router 11 Router Adv antages 13 Package Co ntents 13 Minimum System and C omponent Requ ir ements 1 4 Fr o nt Panel 14 Rear Panel 15 2 H AR DWARE I NSTAL [...]

  • Seite 4

    4 R UNNING THE S ET UP W IZARD Accessing the W izar d 2 7 29 DSL Settings 29 Summary 33 5 R OUT E R C ONF IGURATIO N Navigating T hr oug h the Router Confi guration Pages 35 Main Me nu 35 St atus Scre e n 35 St atus 36 LAN Se tup 36 LAN Sett in gs 37 DHCP C lient s List 38 Wi re le ss 39 Configuring W ireless 39 Encryption 40 Disabled 41 WP A-PSK ([...]

  • Seite 5

    Acce ss Con tr o l 54 URL Blocking 56 Schedule Rule 57 MAC Address Filte ring 59 DMZ 60 Advanced 60 SNMP 6 3 SNMP Communi ty 63 SNMP T ra p 64 Sys tem T ools 65 Restart Router 65 Reset to Factory Defaul t 65 Backup/Restore Settings 66 Upgrade 6 6 Admi n Passw ord 67 T ime and Time Z one 68 Status and Log s 69 ADSL Status 69 Log s 6 9 6 T ROUBLESHOO[...]

  • Seite 6

    B T ECHNICAL S PEC IFICATIONS Offi ceConnect AD SL W ireless 11g F ir ew all Router 81 St andards 82 C S AFETY I NFORMA TION D E ND U SER S OFTWAR E L IC ENSE A GREEMENT D O BTAINING S UPPORT FOR YOUR P RODU CT Register Y our Product to Gain S ervice Benefits 91 Purc has e V alue-A dded Services 91 T roubleshoot Online 91 Acce s s Softwar e Downloa[...]

  • Seite 7

    A BOUT T HI S G UI DE This gu id e descr ibes ho w to inst all and co nf igure the OfficeCon ne ct ADS L W ireless 1 1g Firewal l Rou ter ( 3CR WE7 54G 72-A /B). This gu ide is intend ed fo r use by th ose respon sible for i nstalling an d setting up net work equ ipme nt; c onsequ ent ly , it assum es a ba sic wor king knowl edg e of LANs (Loca l A[...]

  • Seite 8

    8 A BOU T T HIS G UI D E Conve ntions Ta b l e 1 and Ta b l e 2 list conventi ons that ar e used thr ou ghout th is guide. F eedbac k about thi s User Gu ide Y our suggest ions ar e ver y important t o us. They will help make our docum en tati on more useful to yo u. P lea se e-m ail co mm ents ab out t his docum en t to 3Com at: pddt echpubs _comm[...]

  • Seite 9

    Convent i o ns 9 Exampl e: ■ OfficeCon ne ct ADS L W ireless 11g F irewall Rou ter U se r Guide ■ Part N um ber D UA 0 075-4A AA 01 ■ Page 24 Do not u se thi s e- mail ad dress for te c hni cal suppor t quest ion s. For inform ation a bout c onta cting T ech nical Supp ort, please r efer to t he Support and Safety In formati on sheet. Rel ate[...]

  • Seite 10

    10 A BOU T T HIS G UI D E[...]

  • Seite 11

    1 I NTR ODUCI NG THE R OUTE R W elcome to the world o f networki ng with 3Com ® . In t he m oder n business envi ronme nt, co mm unica tion a n d shari ng in format ion i s cru cial. Com puter netwo rks h ave proved t o be one o f the f astest mo des of commu ni cat ion bu t, unt il recen tly , only lar ge bu sine sses co uld a ffor d th e networ [...]

  • Seite 12

    12 C HAPTER 1: I NTRODUCING THE R OUTER Figure 1 Example Net work Without a Gate way When you use the Router in your netwo rk ( Fi gur e 2 ), it bec omes you r conne cti on to the Inter n et. C onn ection s can be m ade di rectly to th e Route r , or t o an O ffic eConn ect Swit ch or Hub , expa n ding the n um ber o f co mpu ter s yo u can ha ve i[...]

  • Seite 13

    Router Advantage s 13 Rou ter Ad vant ages The adva n tage s of the Route r incl ude: ■ Shared I nter net con necti on for bo th wired and wi reless c om pute rs ■ High sp ee d 802.11 g w ireless ne tworki ng ■ No n eed f or a dedica te d, “alw ays on” compu ter serv ing as y our I nternet c onnec ti on ■ Cro ss-pl atfo rm oper ati on f[...]

  • Seite 14

    14 C HAPTER 1: I NTRODUCING THE R OUTER Min imum Sy stem and Co mp onent Requirement s Y o ur Rou ter requi res that the comp ut er(s) and comp one nts in you r net work b e co nfig ured wi th a t leas t the f ollo wing: ■ A computer wit h an operati n g syst em that supports TCP/ IP netw orking protoc ols (f or exa mple W indow s 9 5/98/N T/Me /[...]

  • Seite 15

    Rear P anel 15 If th is LED illu minates success ful Username/Pass wor d has been authen ticate d with your ISP . 4 Wir eless LAN (WLAN) Status LED Green If the LED is on it indicates that wireless networki n g is enabled. If the LED is flas hing , the link is OK and data i s b eing tra nsm itted or rece ived. If th e LED is off, the W ir ele ss LA[...]

  • Seite 16

    16 C HAPTER 1: I NTRODUCING THE R OUTER exampl e, a hub or a swit ch). The se ports have an automatic MDI / MDIX feature , which mea ns eith er strai gh t-through or a crossover cabl e can be used. 8 Reset Button If you w an t to reset you r Rout er to fac tory defau lt setti ngs, a nd ca nno t acc ess th e w e b management inte rface (fo r exampl [...]

  • Seite 17

    2 H AR DWAR E I NSTALLAT I ON Introduction Thi s ch apter will g uide you t hrough a b asic instal lation of the Router , in cl u d in g: ■ Connec ting the Rou ter to the Internet. ■ Connec ting the Rou ter to your ne twork. ■ Sett ing up yo ur co mpu ters fo r ne two rking wi th t he Ro ut er . Safet y Inform atio n WARN ING : Please read th[...]

  • Seite 18

    18 C HAPTER 2: H ARDWARE I NSTALLATION When posit ioni ng you r R oute r , ensure: ■ It is ou t of direct sunl ight a nd awa y fro m sources of heat . ■ Cabli ng i s away fr om power lin es, fl uoresc ent li ghti ng fi xture s, and sources of electric al noise such a s radi os, tr ansmit ters a nd broadba nd amplif ier s. ■ W ater or moistur [...]

  • Seite 19

    Connec ting the Route r 19 Figure 5 Connecting the Gate way 3 Run th e prov ide d teleph one ca ble from the wal l jack p rovidi ng ADSL service to th e ADS L port on your ADS L Ro uter . W hen inser ting an ADS L RJ-1 1 plug, be sure th e tab on t he plug cli cks into position to ensure tha t i t is pr operly seated. If you ar e using spli tte rle[...]

  • Seite 20

    20 C HAPTER 2: H ARDWARE I NSTALLATION Figure 6 Installing wi th a split ter or I f you ar e using a sp litter less (G.li t e) con nectio n, then you r servic e provide r w ill atta ch the outsi de ADS L line directly to y our phon e syste m.In this case yo u c an co nne ct y our ph ones a n d comp ut er direct ly to t he inco ming ADS L line , b u[...]

  • Seite 21

    Connec ting the Route r 21 Figure 7 Installing wi t hout a spli t ter Y o u h ave no w co mpleted th e hardw are instal lation of you r Rout er . Ne xt you need to set up y o ur comput ers so that t h ey can make u se of the Rou ter to co mm u ni ca te w i th th e In te rn et. 3Co m reco mmen ds tha t you per form the initia l Rout er con figur ati[...]

  • Seite 22

    22 C HAPTER 2: H ARDWARE I NSTALLATION[...]

  • Seite 23

    3 S E TTI NG U P Y OUR C OM PUTE RS The Ro ut er ha s the ab ility to dyna mical ly all ocate net work addresse s to the com pu ter s on your n etwor k, us ing D HC P . H ow ever , you r com pute rs need to b e conf igur ed corr ectly fo r thi s to take p lace. T o change th e configu rat ion o f your comp ut ers to al low t his, fo llow the instru[...]

  • Seite 24

    24 C HAPTER 3: S ETTING U P Y OUR C OMPUTERS Figure 8 Local Ar ea Proper tie s Scr e en 6 Ensu re that t he opti o ns Obtai n an IP Address automatic ally , an d Obta in DNS se rver ad dress autom aticall y ar e both selected as shown in Figu re 9 . Click OK . Figure 9 Internet Pr otocol (TCP/I P) Proper ties Scr een 7 Restart you r com put er .[...]

  • Seite 25

    Ob tain i ng an IP Add ress Aut om atic a lly 25 Win dows XP 1 From th e W ind ow s Start menu , select C o nt rol Panel . 2 Click on Network and Int ernet Con nectio n s . 3 Click on th e Network Connecti ons icon. 4 Dou ble click on LAN or Hi gh Sp eed C onn ection icon. A sc reen titled Lo cal Area Connectio n Stat us will ap pear . 5 Sel ect In[...]

  • Seite 26

    26 C HAPTER 3: S ETTING U P Y OUR C OMPUTERS Dis abli n g PP PoE and P PTP Client So ft wa re I f you have PPPoE c lient soft ware insta lled on your computer , you will ne ed t o di sabl e i t. T o do thi s: 1 From th e W ind ow s Start menu , select S ettings > Co ntrol Pan el . 2 Double clic k on In t er n e t Op tion s. 3 Sel ect the Co nn e[...]

  • Seite 27

    4 R UNNI NG TH E S ETUP W IZARD Ac cessin g t he Wi zar d The R out er se tup program i s Web- based, w hich m ean s tha t it is a cce ssed through your Web browser (N etsca pe Na vig ator 4. 7 or hi ghe r , In ter n et Explorer 5.0 or highe r , o r Moz illa 1. 2.1 or hi gher ). T o us e th e Se t up W i za rd: 1 Ensu re th at yo u have at least o [...]

  • Seite 28

    28 C HAPTER 4: R UNNING THE S ETUP W IZA RD Figure 12 Router Login Scr een 5 When you have logge d in either: ■ The Statu s scre en wil l appear ( Fi gur e 13 ) . Select Wi z ar d from the menu . or ■ If y our Ro ut er ha s not bee n co nfi gur ed bef o r e, t he W iz ar d wi l l la un ch autom atical ly (r efer t o Fi gu r e 1 4 ). 6 Y o u wi [...]

  • Seite 29

    Ac cessi ng the Wizar d 29 Figure 13 Status Sc re en DSL Se ttings Figure 14 DSL Setti ngs Scr een[...]

  • Seite 30

    30 C HAPTER 4: R UNNING THE S ETUP W IZA RD The DSL M ode w ind ow a llow s yo u to se t up th e Rou ter fo r the t yp e of I ntern et co nnec ti on yo u ha ve. Bef o r e s ett in g up yo ur DS L conn ect ion mo de, hav e you r ac co unt i nform atio n from yo ur I SP ready . Sel ect a DSL mode fr om the follo wing: ■ PPPoE see page 30 ■ PPPoA [...]

  • Seite 31

    Ac cessi ng the Wizar d 31 3 Re-t y pe your PP P o ver Et h ernet pass wor d in t he Rety pe Pa sswor d text box. 4 Ente r y our VPI an d VCI inf o rmatio n in the VPI/ VCI te x t bo xe s. 5 Chec k all of y our setti ngs, and the n click Next . PPPoA M ode Figure 16 PPPoA Scr een T o setu p the r outer fo r use with a P PP over A TM (PPPoA) c onnec[...]

  • Seite 32

    32 C HAPTER 4: R UNNING THE S ETUP W IZA RD Figure 17 RFC1483 Routed Configura tion Scr een 1 Ente r y our In ter net I P ad dr ess in the WAN I P te xt bo x. 2 Ente r the subnet mask in th e Sub net Mas k text bo x. 3 Ente r y our VPI an d VCI inf o rmatio n in the VPI/ VCI te x t bo xe s. 4 Ente r the default g ate way in t he Defau lt G a teway [...]

  • Seite 33

    Ac cessi ng the Wizar d 33 Figure 18 RFC1483 Bridged Configur ation Screen 5 Ente r y our VPI an d VCI inf o rmatio n in the VPI/ VCI te x t bo xe s. Chec k all of y our setti ngs, and the n click Next . Summa ry Figure 19 C onfigurat ion Summary Sc re en[...]

  • Seite 34

    34 C HAPTER 4: R UNNING THE S ETUP W IZA RD When you comp lete the Setup Wizard , a config urat ion summary will displa y . Verify the co nfigur ation i nfor mat ion o f the R out er an d the n cl ick Apply to sa ve y our se ttings. 3Co m reco mmen ds tha t you prin t this p age fo r y ou r re co rd s. Y o ur Rou ter is no w configu red a nd ready [...]

  • Seite 35

    5 R OUTER C ON FIGUR ATION Nav igating Through the Router Config uration Pag e s Th is ch ap ter d es c ri be s a l l th e scre e ns a va il a bl e thro u gh th e R ou te r conf igu rati on pages, and i s pro vid ed as a ref erenc e. T o get to the config urat ion p ag es, browse to the R outer by enter ing t he UR L in t he locat ion bar of y our [...]

  • Seite 36

    36 C HAPTER 5: R OUTER C O N FI GUR A TI ON Status Figure 20 Status Scre en Ther e are two b uttons on thi s scr een - Connec t an d Disco nnec t . T h ese butt ons all ow y ou to m a nuall y conn ect or di sconne ct y our rout er from your ISP’ s service. LAN Setup Y our Router is eq uipped wi t h a DHCP server that will automatically assi g n I[...]

  • Seite 37

    LAN Setup 37 The Route r will also pro vid e you with a li st of al l clien t computers connec ted to the netwo rk. T o view t he list, clic k D HCP cli ents list . LAN Se ttings Figure 21 LAN Setti ngs Scre en The LAN Settin gs scre en is used to specif y the LAN IP addr ess of your Rou ter , a nd to co nfi gu re th e D HC P se r ve r . 1 Sel ect [...]

  • Seite 38

    38 C HAPTER 5: R OUTER C O N FI GUR A TI ON DHCP Clie nts Li st Figure 22 DHCP Cli ent s Li s t S cr een The D HCP Clients List pr ov ides deta ils on t he devices that have r eceived I P addr esses fr om the Router . The l ist is on ly cr eated when the Router is set up as a DHCP server . For eac h device that is connect ed to the LAN the fol lowi[...]

  • Seite 39

    Wireless 39 Wi r e le ss From t hese pa g es yo u can conf igure t he set ting s for wireless co nnec tion s. Figure 23 W ir eles s Settin gs Screen This scree n all ows y ou to e nab le or disa ble the w ireless sectio n of y our LAN. When disab led, no wirel ess PCs can gain acc ess to eith er th e Inter ne t or other PCs on y our W ired o r W ir[...]

  • Seite 40

    40 C HAPTER 5: R OUTER C O N FI GUR A TI ON Y o ur Router is ca pab le o f bl ocking th is "ran dom " se arching fo r a networ k. I f you disabl e the " Br oadcast SSID" feat u r e, the only way a computer c an joi n the networ k is by sett ing the computer's SSI D to the specif ic nam e of the netwo rk (li ke W LA N). B e [...]

  • Seite 41

    Wireless 41 ■ 64-b it WEP (see pag e 42 ) ■ WP A (wi th RA D IUS Ser ver ) (see pa g e 43 ) Sel ect the r equir ed val ue fr om the dr op down list, an d pres s Ap ply . Disa ble d In this mode , wireless tran smissio ns will not be e ncry pted, a nd w ill b e visible to e veryon e. How ev er , w h en setti ng up o r d ebug ging w ireless netw [...]

  • Seite 42

    42 C HAPTER 5: R OUTER C O N FI GUR A TI ON 128-b it WEP Figure 27 128-bit WEP Scr een WEP is the bas ic mechani sm to trans mit your data sec urely over the wireless net wor k. Ma tching e n crypt ion key s mu st be setup on you r Router and w ireless clien t de vices t o u se W EP . 1 Y o u c an ei ther e nte r you r W EP key as 13 pa irs of h ex[...]

  • Seite 43

    Wireless 43 WEP is the bas ic mechani sm to trans mit your data sec urely over the wireless net wor k. Ma tching e ncr ypti on key s mu st be setup on you r Router and w ireless clien t de vices t o u se W EP . 1 Y o u c an ei ther e nter y ou r WEP k ey as 5 p airs of hex digi ts (0- 9, A- F), or ente r a m emorabl e passp h rase in the Passphrase[...]

  • Seite 44

    44 C HAPTER 5: R OUTER C O N FI GUR A TI ON 3 Ente r the key for th e RADIUS se rver in the RA DIU S Key fi el d. 4 By def au lt, the WP A keys ar e c hanged ev ery hour , but i f you wish to ch ange t his yo u ca n do so by spe cifyi ng the required t ime in th e Re- key In te r va l fiel d, in m inut es 5 Click Apply . In ternet S etting s From t[...]

  • Seite 45

    Inte rne t S etti ngs 45 PPPoE Figure 31 PPPoE Settings S c r een 1 Ente r the User Name assig ned to y ou by your ISP in the User Name field . 2 Enter t he Pa ssword assign e d to y ou b y your I SP in the Passwor d fiel d. Re-en ter yo ur password in th e Re type P asswor d fiel d . 3 If your ISP assigns yo ur IP ad dress dyna mical ly , t hen se[...]

  • Seite 46

    46 C HAPTER 5: R OUTER C O N FI GUR A TI ON 8 Click Apply . PPPo A Figure 32 PPPoA Setti ngs Scr een 1 Ente r the User Name assig n ed to y ou by your ISP in the User Name fiel d. 2 Enter t he Pa ssword assign ed t o you b y y our IS P in th e Password fi eld. Re-en ter yo ur password in th e Re type P asswor d fiel d . 3 If your ISP assigns yo ur [...]

  • Seite 47

    Inte rne t S etti ngs 47 Ente r a v a lue of 0 to disa ble th is t imeout. 8 Click Apply . Bri dged Mode for Sing le PC Figure 33 Bridge Mode for Single PC Scr een 1 Ente r the VPI and VC I param et ers pr ovided to y ou by your ISP in the VPI and VCI fie l ds . 2 Sel ect the encapsulat ion type (LLC or VC MUX) in the En capsu lati on T ype field. [...]

  • Seite 48

    48 C HAPTER 5: R OUTER C O N FI GUR A TI ON 3 Sel ect the e ncapsul ation ty pe (LLC or VC MUX) i n th e Enc apsul ation fi eld . This inf o rmation wi ll hav e been pr ovided to you by your ISP . 4 Click Apply . DNS Figur e 35 DNS Scree n If your ISP provided yo u with spec ific DNS ad dresses to us, en ter th em i nto the appr op riat e fields on[...]

  • Seite 49

    Routi ng 49 Stat ic Ro utes Figure 36 Static Route P arameters Scr een The St atic R oute Parameter scre en shows a list o f curr ent static r oute entr ies. For each entr y , the foll owing in formati on is dis play ed : ■ In d ex — the index of the en try ■ Network Address — t he network addr ess of the r oute. ■ Subn et Mask — the su[...]

  • Seite 50

    50 C HAPTER 5: R OUTER C O N FI GUR A TI ON Y o u c an set up R IP in depend en tly on b ot h LA N and W AN inter faces. 1 Sel ect the R IP Mode Enable rad io bu tton. 2 Sel ect the ap p r o pri ate radio butto n to enable or disable Auto Summary . Auto S umma riza tion sends simpli fied routing data t o other R IP-ena bled de vi c es rat h er tha [...]

  • Seite 51

    Fire wall 51 Figure 38 Routing T able Scr een Fir ewall From the se pa ges y ou ca n c onfigure se ttings for t he firewa ll. Figure 39 Fir ewall Sc ree n Y o ur Rou ter is e quipp ed w ith a firewa ll that will pro tect y our ne tw ork from a w ide a rray of com mo n hac ker a ttack s includi ng P ing o f Dea th (PoD) a nd Den ial of Se rvi ce (Do[...]

  • Seite 52

    52 C HAPTER 5: R OUTER C O N FI GUR A TI ON Spec ial App lica tio ns F igure 40 Speci al Applic ations Scr een Special Ap plication s let you speci fy specific ports to be open for specif ic applic ations to work pr o perly with the Network Addres s T ranslatio n (NA T) featu re o f the Ro uter . A list of popular ap plicati ons has been incl u ded[...]

  • Seite 53

    Fire wall 53 4 Click Apply . Virtua l Se rvers Figure 41 V i rtual Serve rs Screen This f u nc tion will al lo w yo u to ro ute external ( Intern et) cal ls for ser v ices such a s a w eb s erver (po rt 80 ), F TP s erver (Por t 21), or ot her appl ication s through yo ur Rou ter to yo ur inter n al ne two rk. Si nce yo ur in tern al comput ers are[...]

  • Seite 54

    54 C HAPTER 5: R OUTER C O N FI GUR A TI ON Clien t IP Filter s The R o uter ca n be configur ed to r estric t access t o the Int er net , e-mail o r other netwo rk ser vices at spec ific day s and times. Re strictio n can be set for a single compu ter , a range of comput ers, or mult iple computers. Acc ess Cont r ol Figure 42 Acces s Contr ol Scr[...]

  • Seite 55

    Fire wall 55 Figure 43 Add PC Scree n 2 Enter a desc ription f or t he f ilter y ou are def ining i n the Client P C Descript ion field . 3 Ente r the IP addr ess or IP addr ess range in to the Client I P Address fie ld s. 4 Sel ect the s ervic es to b e blocked . A list of p opular ser v i ces is given on this scr een, to bl ock a parti cular serv[...]

  • Seite 56

    56 C HAPTER 5: R OUTER C O N FI GUR A TI ON URL Blo cking Figure 44 URL Blocking Scr een T o c onfigur e the URL Blo ckin g feat ure , use the ta b le on t h e URL B locki ng page t o sp ecify th e we bsites ( ww w .some site.c om ) and/ or key words you want to fil ter on you r netwo rk. For exa m ple, enter ing a keyword of “xx x” would blo c[...]

  • Seite 57

    Fire wall 57 Sche dule R ule Figure 45 Schedule Rule S cr een The Route r c an be con figur ed to restr ict access t o the Internet , e-mail o r other network s ervic es at speci fic days and times . These sc hedule r ules ar e u sed by the rules defined on the A ccess Control page ( see “Acc ess Co n trol ” on pa ge 54 ). T o add a sc hedule r[...]

  • Seite 58

    58 C HAPTER 5: R OUTER C O N FI GUR A TI ON Figure 46 Add Schedule Rule Sc reen 2 Ente r a name and comment fo r the sch edule rule in the Na me and Com ment fie ld s. 3 Spec ify th e schedu le rules f o r th e requir ed days and t imes - note that all times shou ld be in 2 4 ho ur fo rma t. 4 Click Apply .[...]

  • Seite 59

    Fire wall 59 MAC Address Filterin g Figure 47 M AC Addr ess Filtering S creen The MAC Addr ess Filt er is a powerful sec u rit y featu re th at allows you to spec ify whi ch computers ar e allowed on the W ir eless n etwork. Any wir eless comput ers at temptin g to acc ess the net work that ar e n ot specifi ed in the filt er li st will be denied a[...]

  • Seite 60

    60 C HAPTER 5: R OUTER C O N FI GUR A TI ON DMZ Figure 48 DMZ Scre en I f you have a cl ient PC that cannot run an Intern et applic ation pr operl y from beh in d the f irewal l, you can open the c lien t u p to un restricte d two- way Internet acc ess. Thi s may be neces sary if t h e NA T featur e is causing prob lems with an app licat ion su ch [...]

  • Seite 61

    Fire wall 61 ■ Remo te A dmin Figure 49 Advanced Screen NA T En able Befor e you enable th is f unction , make sur e you have changed the administ rator password. Netwo rk A ddress T ran slation (N A T) is t he method by whic h t he router shares t he sing le IP addres s assigned by yo ur ISP wit h the c omput ers on yo ur netw ork. Th is funct i[...]

  • Seite 62

    62 C HAPTER 5: R OUTER C O N FI GUR A TI ON Rout er ship s with the Uni v ersal Plu g an d Play featu re d isabled . If y ou are using any applicat ions tha t are Unive rsal Plug and Play complian t, and wish to take advan t age of th e Unive rsal Pl ug and Play f eatur es, you can enable t h is featu re. Simply selec t Enable in the UPnP Enabling [...]

  • Seite 63

    SNMP 63 SN MP S NMP (Sim ple Ne tw ork Ma na gement Prot ocol) allows remot e manag em ent of yo ur route r by a P C tha t ha s an SNM P ma nagem e nt agent insta lled. SN M P Co m mu ni ty Figure 50 SNMP Community Scr een T o Co nfig ure SNM P: 1 In t h e C omm unity c olumn, enter the name of the SNMP c o mmunicatio n chan nel. Y our SN MP ma nag[...]

  • Seite 64

    64 C HAPTER 5: R OUTER C O N FI GUR A TI ON SNM P T rap Figure 51 SNMP T rap Scr een Y o u c an co nfig ure your r out er to se nd status m essa ges t o the S NM P manage ment agent if a p ro blem occur s on th e network. T o config u r e tra ps : 1 In t h e I P Address f ield, enter the IP ad dress of t he PC t o wh ich y ou wa n t your r out er t[...]

  • Seite 65

    Syst em Tool s 65 Sys tem T o ols These page s let s yo u man age different par ame ters of the router an d perfor m ce rtai n adm inistr ative f unction s. Rest ar t Rou ter Figure 52 Restart Router Sc reen Somet imes i t ma y be necessa ry t o Re start o r Reboot the Rout er . Resta rting or Rebooting the Router will n ot delet e any of your conf[...]

  • Seite 66

    66 C HAPTER 5: R OUTER C O N FI GUR A TI ON before you restore all of th e defau lts. T o restore t he fac tory de faul t settings, c lick Re set . Ba ck up /R est ore Settin gs Figure 54 Backup/Restor e Settings Sc reen Y o u c an sav e your cu rrent co nfig urati on by usi ng this feat ure. Savi ng yo ur config u rati on will allow you to restor [...]

  • Seite 67

    Syst em Tool s 67 From ti m e to ti me 3 C om may rel e a se ne w v ers io n s of th e Rou ter s firmw are. Fir mwa re upd ates co nt ain im provem ent s and f ixes t o prob lems that may h ave exist ed. Pl ease do wnload t he fir mwar e fi le to y our PC first, an d then click Br owse an d s ele c t th e fi r mw a re f ile . C lic k Up grade to up[...]

  • Seite 68

    68 C HAPTER 5: R OUTER C O N FI GUR A TI ON make any mor e changes. The lo gin timeout opti o n is fo r sec urit y purpo ses a nd the d efaul t is set t o 5 minu tes. As a not e, on ly on e compu ter can be l ogg ed into the Ro uter's we b m anage ment interf ace at one ti me. Time an d Tim e Zone Figure 57 T ime and Tim e Zone scr een The Rou[...]

  • Seite 69

    Stat us and Logs 69 Status a nd Logs Y ou can use th e Status pages to vi ew versio n numbers fo r yo ur r ou ter’ s softwa re and hardware a nd che ck the sta tus of co nnec tions to WAN, LAN and W LAN inter fac es. ADSL Stat us Figure 58 ADSL Sta tus Scr een This sc reen shows modem statu s and statistic s Logs Figure 59 Logs Scr een This sc re[...]

  • Seite 70

    70 C HAPTER 5: R OUTER C O N FI GUR A TI ON Click Clear to clear the log (n ote that al l curr ent entri es will be er ased). Click Save to save the log to disk i n a t ext file . Wh en prom pte d for a l ocati o n to s ave th e file to, specify a fil en ame an d lo catio n , and then cli ck OK .[...]

  • Seite 71

    6 T R OUBLESH OOTI NG Basic Con nection Check s ■ Check that th e Route r is conn ected to your compu ters and to the telepho ne line , and that a ll th e eq uipm ent is pow ered on . Ch eck th at the LAN Stat us a nd DSL L E Ds on the Route r are ill uminat ed, an d t hat any corres pondi ng LE Ds on th e NIC a re also illum inated. ■ Ensu re [...]

  • Seite 72

    72 C HAPTER 6: T ROUBLESHOOTING ■ If you c anno t b rowse to t he Ro uter , us e the wi ni pcfg utility in W indo ws 95/98/ M E to verif y tha t yo ur com puter has rece ived t he correct address i nfor mat ion f r om the Rout er . From th e St a r t m enu, choose Ru n and th en en ter winipcf g . Check that the com puter ha s an IP address o f t[...]

  • Seite 73

    Wirel ess Networ king 73 4 Pr ess and hold the Rese t b utton o n the r ear panel (see “Rear Pa n el” on page 1 5 ) for 5 second s. 5 The Route r will r estart, and when th e start-up seq u ence has c omplet ed, browse to: http :/ /1 92. 16 8. 1. 1 and run t he c onf igura tion wiza rd. Y o u m ay n eed to restar t you r com pu ter befo re yo u[...]

  • Seite 74

    74 C HAPTER 6: T ROUBLESHOOTING Add itional ly consi der movi ng the wirel ess com pute r cl oser to the Router to co nf irm tha t t he bu ilding structu re or fitt ings are no t adv ersel y aff ec tin g the connec tivity . If th is r esolv es the pr oblem consid er r elocating the W ir eless computer o r the Rout er , or tryi n g a different cha n[...]

  • Seite 75

    Fre quently Aske d Questio ns 75 Ensure that one of your com put ers has a copy of the new software image file sto r e d on its ha rd disk or avai lable o n CD- ROM . The lat est soft w are is avail able on 3Com’ s W eb site at : www. 3c om .co m 1 Remo ve pow er from the Ro uter and di sco nnec t the telep hon e line an d all your computer s, ex[...]

  • Seite 76

    76 C HAPTER 6: T ROUBLESHOOTING There are o nly 4 L AN ports on th e Ro uter . H ow are ad ditio nal com p ute rs c on ne ct ed? Y o u c an exp and t he nu mb er of c onn ection s avai lable o n y our LA N by usi ng hub s, sw itches and wireless acc ess point s co nnec ted to the Rou ter . 3Com w ireless access p oint s and h ubs and swi tche s pro[...]

  • Seite 77

    A IP A DD R ESSING Th e Int er n e t Protocol Sui te The Inte r net pr otoc o l suit e c onsis ts of a well -defined s et of commu ni catio ns protocol s and seve ral sta ndard ap plication protoc ols. T ransm ission Co ntrol Protoc ol/I nter net Protocol (T CP/IP ) is p robably t he most wi dely know n and is a comb in ation of two of the prot oco[...]

  • Seite 78

    78 A PPENDIX A: I P A DDR ESSI NG Fo r you r n etw o rk to w or k c or rec tly , a l l d ev ic es on t he n e tw or k m ust h av e : ■ The same s ub-networ k addre ss . ■ The sam e subnet m ask. The onl y value th at will be di fferen t is t he specifi c ho st device n u mber . This va lue must alwa ys be un ique. An ex ampl e IP address is ‘[...]

  • Seite 79

    Ho w does a Device Obtai n an I P Addres s and Subnet Mask? 79 This ty pe o f IP Add ress ope ra tes on a subne t ma sk of ‘2 55.2 55.0 .0’. See Ta b l e 4 f or an exam pl e about h ow a ne tw ork (on ly fo ur co mpu ter s represented) and a R out er might be conf igured. Ta b l e 4 IP Addres sing and Subne t Masking How does a Devi ce Obt a in[...]

  • Seite 80

    80 A PPENDIX A: I P A DDR ESSI NG an IP a ddress at ran dom from t he indu stry sta ndard subn et o f 169.25 4.x. x (wi th a subne t ma sk of 25 5.2 55.0 .0). If tw o dev ices a lloca te themselv es the same addr ess, the conf lict is dete cted and one of the devices allocates itself a new address. Autom ati c IP a ddressing supp ort wa s in troduc[...]

  • Seite 81

    B T ECHNI CAL S PECIFICATIONS This secti o n lists th e technical spec ificatio ns for the O ff iceConnect ADSL W ireless 11g F irewall Rou ter . Off ice Conn ect ADS L Wi r e le ss 11 g Firew a ll R o ut er Interfac es DSL c onn ect ion LAN con necti on — fou r 10M bps /100 Mbps d ua l spee d Ethe rn et p orts (10BASE- T/100BASE-TX) WLAN Interfa[...]

  • Seite 82

    82 A PPENDIX B: T ECHNICAL S PECIF ICATIO NS Ma ximum cli ents: 12 8 O /P Pow er 16dBm Operatin g T e m peratu re 0 °C t o 40 °C (32 °F to 105 °F ) Pow er 8V A , 25 BThU/ hr Hum id ity 0 % t o 9 0 % (no n- conde nsing ) hu midity Di me ns io ns ■ W idt h = 220 mm (8.7 in.) ■ Dept h = 133 mm (5. 2 in.) ■ Height = 3 8 m m (1.5 in.) We ight [...]

  • Seite 83

    OfficeConn ect ADS L Wirele ss 11 g Firewal l Route r 83 Sy ste m Requi r ements Opera ting Syste ms The Ro uter w ill suppo rt t he fol lowing O per ating Sy stem s: ■ W indo ws 95 /98 ■ W indo ws N T 4 .0 ■ W indo ws M E ■ W indo ws 20 00 ■ W indo ws X P ■ Ma c OS 8.5 or hi gher ■ Unix Ether n et Perform ance The Router compl ies to[...]

  • Seite 84

    84 A PPENDIX B: T ECHNICAL S PECIF ICATIO NS[...]

  • Seite 85

    C S AFETY I N FORMA TION Importa nt Safe ty In form atio n WARN ING : Warn ings c ontain direc tions that y ou must fol low f or yo ur personal saf ety . Follow all dir ec tio ns carefully . Y ou must rea d the f o ll owing s afe ty i nforma tion car efull y be fore y o u install or rem ove th e unit : WARN ING : The Rou ter g enerat es and use s r[...]

  • Seite 86

    86 A PPENDIX C: S AFETY I NFORM ATION WA RN IN G : RJ -4 5 por ts. These are sh iel ded RJ-45 dat a socket s. They cann ot be u sed as teleph one so ck ets. On ly c onnec t RJ-45 dat a conn ectors to thes e socket s. Wi ch tige S ich erhe it shi nweis e VORSICH T : W arnhin weise enth alten Anweisungen, die Sie zu Ihre r eigene n Sich erhei t be fo[...]

  • Seite 87

    87 VORSICH T : Es sin d keine vo n dem Benutz er zu ersetz ende oder zu warte nde T e ile in dem Ger ät v orhande n . Wenn S ie e in Pro blem m it dem Rou ter habe n, da s n icht mit tels de r Fehl eran alyse in dies er Anleit ung behoben werden kan n, setzen Sie s ich mit Ih rem L ie feranten in Ve r bind ung . VORSICH T : V or dem Ausbau des Ge [...]

  • Seite 88

    88 A PPENDIX C: S AFETY I NFORM ATION condi tions ne so nt mai ntenue s que si l'é quipem ent auqu el il e st r acco rdé fo ncti onn e da ns le s mê me s co nd it io ns. A VERTI SSEM ENT : Il n’y a pas de parties rem placea bles par les uti lisateurs ou en treten ues par les utili sateurs à l’int érieur du moyeu. Si vous a vez un prob[...]

  • Seite 89

    D E ND U SER S OFTWARE L IC EN SE A GR E EM EN T 3Com Cor poration E ND USER SOF TW ARE LI CENS E AGRE EMENT YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE DOWNLOADING, INSTALLING AND USI NG THIS PRODUCT, THE USE OF WHIC H IS LIC ENSE D BY 3CO M CORPORATIO N ("3C OM") TO ITS CUSTO MER S FOR THEIR US E ONLY A S SET FOR[...]

  • Seite 90

    90 A PPENDIX D: E ND U SER S OFTWARE L ICENSE A GREEMENT and de veloped solely at privat e expe nse. Th e Softwa re is de livered as "Com mercial Comput er Softw are" as defined in DFARS 252 .227- 7014 (J une 1995) or as a com merci al item as defined in FAR 2.1 01(a ) and as such is p rovided w ith only such ri ghts as a re provi ded in [...]

  • Seite 91

    D O BT AI NIN G S UP PORT FOR YO UR P R ODUCT Registe r Y ou r Product t o Gai n Serv ice B e ne fits T o take advan tage of warr an ty and othe r servic e b enef it s, you must first r egi ste r y our pr od uct at h ttp: // eSu pp or t.3c om .c om / . 3 Com eSu pport servic es are ba sed on acc oun ts tha t yo u creat e or have a utho rizat ion t [...]

  • Seite 92

    92 A PPENDIX D: O B TAINING S UPPORT FO R YO UR P RODUCT http :/ /w ww. 3c om .com /p ro df orm s/so ft wa re /c onn ecti on _a ss is tan t/ca _t ha nky ou .h tml Ac ces s So ftw a r e Do wnloa ds Softw are Up dates are the bug fix / mai n tena nce re leases for t he version of sof tware initi ally p urchased with t he product . In order to a ccess[...]

  • Seite 93

    Tele phone T echnic al Suppor t and Re pair 93 be retur ned to the se nder unope ned, at the sen der’ s expen se. I f your product is regi stered and und er war ran ty , yo u c an ob tain a n RM A num ber onl ine a t ht tp :/ /eSup po rt .3 co m.co m/ . First time us ers wil l need to ap ply fo r a user name and p asswor d. T elep hon e numbe rs [...]

  • Seite 94

    94 A PPENDIX D: O B TAINING S UPPORT FO R YO UR P RODUCT Publi shed 1 6th J uly 2 003 Latin Ameri ca T elephone T echnic al Support and Repa i r Antigu a Argentina Aruba Bahama s Barbado s Be lize Bermuda Bonair e Brazi l Cayman Chile Colombia Costa Ri ca Curacao Ecu ador Dominic a n Repu blic 1 800 988 2112 0 810 444 3COM 1 800 998 2112 1 800 998 [...]

  • Seite 95

    G LOSSARY 802.1 1b The IEEE specif ication fo r wireles s Etherne t which all o ws speed s of up to 11 Mb ps. Th e standa r d prov ides fo r 1, 2, 5.5 and 1 1 M bp s dat a rate s. The rates w ill switch au toma ticall y depen ding on r ange and envi ronme nt. 802.1 1g The IEEE specif ication fo r wireles s Etherne t which all o ws speed s of up to [...]

  • Seite 96

    96 G LOSSARY common s peed. Th e or d er o f pr efer ence (bes t fi rst) is : 100B ASE-TX full duplex , 10 0BA SE-T X hal f dupl ex, 10BA SE-T f ull d uplex, and 1 0BA SE- T half d uplex. Aut o-ne gotia tion is define d in the IEEE 8 02.3 stan dard for Ethe r net and is an operat ion that tak es place in a few m illis econds . Band width The in for[...]

  • Seite 97

    G LOSSARY 97 host c omput ers and the ir respective doma in n ames a nd IP address es, so tha t when a do mai n nam e is reques ted (as in t yp ing “3 com .co m” into your Intern et br owser), the us er is se nt to t he pro p er IP addres s. Th e DNS serve r address use d b y the c omp uters on yo ur hom e ne tw ork is the l ocati on of the DNS[...]

  • Seite 98

    98 G LOSSARY IEEE I nstitute of El ec tri c al and Electr o nics Engineer s. Thi s Ameri c an organi zatio n was fou nded in 196 3 and se ts standa rds for comp uters and co mmu nica tio ns. IETF In ter net Engi neering T a sk Fo r ce . A n organi zatio n respon sible for pr ov i ding en gi nee ring so lut ion s fo r TCP / I P net wor ks. In t he n[...]

  • Seite 99

    G LOSSARY 99 MAC Address M edia Access Con tr ol Ad dress. A lso cal le d th e ha r dwa re or ph ysi cal address. A laye r 2 a ddress assoc iated w ith a par ticular ne tw ork de vic e. Most device s that co nnec t to a LA N h ave a MAC ad dress assi gned to them as th ey ar e u se d to identi fy other devic es in a network. MAC addresses are 6 b y[...]

  • Seite 100

    100 G LOSSAR Y Ser ver A compute r in a netwo rk that i s shar ed by multi p l e end statio ns. Serve rs provide end sta tion s with acce ss to shared ne twor k servic es such a s compu ter files a nd print er queues. SSI D Servi ce Set Iden tifier . Some vendors of wir eless pr oducts u se SSID int erc h angeably with ESSID. Subne t Add re ss An e[...]

  • Seite 101

    G LOSSARY 101 URL Fil ter A UR L Filte r is a featur e of a f ir ewall that allows it to sto p its clients form browsing inapprop riate Web si tes. WAN W ide A rea Ne tw ork. A netw ork tha t conn ect s com pu ters loca te d in geog raph ically separat e a r e as ( for e xam ple, di fferent bu ilding s, cities, or countr ies). The Int ernet is an e[...]

  • Seite 102

    102 G LOSSAR Y[...]

  • Seite 103

    I NDEX A Addr esses IP 77 Automat i c Addr essing 79 C Cable Specifi cati ons 83 Channel s 105 Convent ions noti ce icons, About Thi s Gu ide 8 text , About Thi s Guide 8 D DHCP 3 8, 79 DHCP Ser ve r 25 DNS 24 Dynam ic I P Addre ss 3 1 F For g ot ten P assw ord 72 I Inte r ne t addr esses 77 IP Add ress 37, 77 L LED 1 4 N Networ k addr esses 77 Net[...]

  • Seite 104

    104 I NDEX[...]

  • Seite 105

    R EGUL AT OR Y N OTICES FOR TH E O FF I C E C ONNECT ADSL W IRELES S 11 G F IREWALL R OU TER Channe ls Use of the O fficeCon ne ct ADS L W i reless 11g F irewal l Rou ter is only aut horize d for the ch anne ls approv ed b y ea ch cou ntry . Fo r p roper install ation, login t o the m a nageme n t interf ace an d se lect your c oun try from th e dr[...]

  • Seite 106

    106 Howeve r , ther e is no guarant ee that interf erence wi ll no t occur in a partic ular inst allation. In form atio n t o th e Us er If this equi pm ent doe s caus e interf erence to r adio or tele visi on receptio n, which can be det ermin ed by tur ning th e equi pm ent off and o n, t he user i s encour aged to tr y to cor rec t the interf er[...]

  • Seite 107

    107 ■ 15.107 (e )Cla ss B C onduct ed L imits 15.109 (g)C lass B Radia ted E missions L imi ts Expo sure to Ra dio Frequ ency Radia tion: T he r adia ted out pu t pow er of th e 3Co m AD SL 11 g W irel ess Rou ter is far be low the F CC r adi o frequenc y expo sure limits. N ev erthel ess, t he 3Co m O fficeCo nnec t AD SL W ir eless 11g Fi rewa [...]

  • Seite 108

    108[...]

  • Seite 109

    [...]

  • Seite 110

    3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA USA 01752-30 64 T o learn m ore about 3Com products and s ervices, visit our World W ide Web s ite at www. 3co m.com All specifications a re subject to change without notice. Copyright © 2004 3Com Corpo ration. All rights reserved. 3Com and are registered trademarks of 3Co[...]