Linksys BEFSR11 manuale d’uso

Instant Broadband™ Series EtherFast ® Cable/DSL Routers Use this User Guide to install the following Linksys product(s): BEFSRU31 EtherFast Cable/DSL Router with USB Port and 10/100 3-Port Switch BEFSR41 v2 EtherFast Cable/DSL Router with 10/100 4-Port Switch BEFSR11 EtherFast 1-Port Cable/DSL Router User Guide[...]

COPYRIGHT & TRADEMARKS Copyright © 2001 Linksys, All Rights Reserved. Instant Broadband is a r egistered trademark of Linksys. Microsoft, Windows, and the Windows logo ar e register ed trade- marks of Microsoft Corporation. All other trademarks and brand names ar e the proper- ty of their respective pr oprietors. LIMITED W ARRANTY Linksys guar[...]

Instant Broadband Series EtherFast Cable/DSL Routers Configuring Y our Network with the Cable/DSL Router 31 Conf iguring PCs to Connect to the Cable/DSL Router 31 Conf iguring the Cable/DSL Router 33 The Cable/DSL Router’ s Web-based Utility 36 Quick and Easy Router Administration 36 Setup 37 Pass word 39 Status 40 DHCP 41 Logging 42 Help 43 IP F[...]

EtherFast Cable/DSL Routers Package Contents for the 1-Port Router (BEFSR11) • One EtherF ast 10/100 1-P or t Cable/DSL Router • One P ow er Adapter • One User Guide and Registration Card • One T ech Helper CD-ROM Network Requirements • One RJ-45 broadband Internet connection through a cable or DSL modem • One PC with a 10/100 Mbps Ethe[...]

EtherFast Cable/DSL Routers Package Contents for the 4-Port Router (BEFSR41) • One EtherF ast Cable/DSL Router with 10/100 4-P ort Switch • One P ow er Adapter • One User Guide and Registration Card • One T ech Helper CD-ROM Network Requirements • One RJ-45 broadband Internet connection through a cable or DSL modem • One PC with a 10Mbp[...]

EtherFast Cable/DSL Routers 6 Instant Broadband Series 5 4-Port Router’ s Front Panel LEDs The LAN Indicators Pow e r Green . The Powe r LED lights up when the Router is po w ered on. Link/Act Gr een . The Link/Act LED ser v es tw o pur poses. If the LED is continuously lit up, the Router is successfull y connected to a device through the corresp[...]

EtherFast Cable/DSL Routers 8 Instant Broadband Series 7 Getting to Know the 1-Port EtherFast Cable/DSL Router The One-Port Router’ s Rear Panel The rear panel of the Router is where all of the Router’ s cab ling connections are made, and where y ou can reset or conf igure the Router’ s LAN por t. The One-P ort Router’ s P orts WA N The WA [...]

EtherFast Cable/DSL Routers is continuousl y lit up, the Router is successfull y connected to a device through the LAN port. If the LED is flickering, the Router is activ el y sending or recei ving data through the LAN port. Full/Col Gr een . The Full/Col LED also ser ves tw o pur poses. If this LED remains lit, a LAN port connection is being succe[...]

This USB icon denotes the presence of a USB port or connector . Y our 3-P ort Router comes with a USB cable that has tw o dif ferent types of con- nectors. T ype A, the master connector , is shaped lik e a rectangle and plugs into your PC’ s USB port. T ype B, the sla ve connector , resembles a square and con- nects to the USB port on the rear pa[...]

EtherFast Cable/DSL Routers USB The USB LED lights up when the USB port is successfully connected to a PC, USB hub, or other USB device. The W AN Indicators Link Gr een . The Link LED lights up when a successful connec- tion is made betw een the Router and your broadband device or netw ork. Act Gr een . The Act LED flickers when the Router is sendi[...]

EtherFast Cable/DSL Routers 16 Instant Broadband Series 15 Y our Router’ s f irew all (NA T) protects your netw ork of PCs with security so users on the public, Internet side cannot “see” your PCs. This is how y our internal LAN, or netw ork, remains priv ate. Remember that your Router’ s ports connect to tw o sides: your 10/100 LAN port(s)[...]

EtherFast Cable/DSL Routers Connecting Y our Hardware T ogether and Booting Up 1. Before you be gin, make sure that all of y our hard war e is po wer ed off , including your Router , PCs, hubs, switches, and the cab le or DSL modem. 2. A. If you ha ve the 4-P ort Cable/DSL Router , connect one end of a netw ork cable to one of the LAN ports (labele[...]

3. Connect the networ k cab le from your cab le or DSL modem to the WA N port on your Router’ s rear panel. This is the only port that will w ork for y our modem connection. 4. Connect the po w er adapter to the Powe r por t on the rear panel of the Router , then plug the pow er adapter into a po wer outlet. • The Pow e r LED on the front panel[...]

EtherFast Cable/DSL Routers 3. Select “Search for the best driv er for your de vice (Recommended). ” Click the Next button. 4. Select “Flopp y disk dri ves” and click the Ne xt button to star t the search for your dri ver . 22 Instant Broadband Series Configuring the BEFSRU31’ s USB Port Use the enclosed USB cable to connect y our PC to t[...]

EtherFast Cable/DSL Routers 7. W indows will notify y ou that it has completed copying the dri ver f iles to your PC. Click the Finish button. 8. W indows will ask y ou if you w ant to restart your PC. Click the Y es button so your ne w installation will take effect. If it does not ask you, click the Start button, select Shut Do wn , then select Re[...]

EtherFast Cable/DSL Routers 26 Instant Broadband Series 25 3. When W indows asks y ou where to search for dri ver f iles, select “Floppy disk driv es” and click the Next button. 4. W indows will sho w a message sa ying that it has found the driver f iles. Click the Next button. USB Configuration for Windows 2000 1. W ith the Router connected to[...]

EtherFast Cable/DSL Routers 7. W indows will displa y a message sa ying that it has f inished installing the driv er f iles on your PC. Click the Finish button to complete the installation. 8. Go to the Start button, select the Settings option, then the Networ k and Dial-up Connections option, and click the Local Ar ea Connection icon. Click the Pr[...]

EtherFast Cable/DSL Routers 30 Instant Broadband Series 29 USB Configuration for Windows Millennium 1. W ith the router connected to your PC’ s USB port, star t up your PC in W indows Millennium and insert your dri ver diskette. 2. W indows will notify y ou that new hardw are has been detected (sho wn abo ve). Select “ Automatic sear ch f or a [...]

EtherFast Cable/DSL Routers 32 Instant Broadband Series 31 4. Click the Pr operties button, then choose the IP Addr ess tab . Select Obtain an IP addr ess automatically . Click the OK button. Y ou ha ve no w completed the PC’ s client settings, so it can connect to the Router . 5. Click the OK button. W indows ma y ask for original W indows insta[...]

EtherFast Cable/DSL Routers 34 Instant Broadband Series 33 3. The Cab le/DSL Router’ s Setup page will appear . 4. Conf igure the f ollo wing v alues : Host Name & Domain Name These f ields allo w you to gi ve the Router a Host and Domain name. Some ISPs require these names as identif ication. Y ou ma y ha v e to check with y our ISP to see i[...]

EtherFast Cable/DSL Routers 36 Instant Broadband Series • Subnet Mask: 255.255.255.0 W AN IP Addr ess These values refer to the external netw ork (the Inter net) you connect to e very time you access your Internet connection. Most broadband ISPs assign their clients to a different IP address each time they lo g on. If this is the case with your I[...]

EtherFast Cable/DSL Routers 38 Instant Broadband Series 37 • W AN IP Address This is the IP address that y our Router has, when seen from the external W AN, or the Internet. • Subnet Mask This is the Router’ s Subnet Mask, as seen by external users on the Internet (including your ISP). If you select Obtain an IP addr ess automatically , y our[...]

Password It is str ongly recommended that y ou set a passw ord for the Router . When y ou f irst po wer up the Router , there is no default Passw ord setting assigned. If you lea ve the pass w ord f ield blank, all users on your netw ork will be able to access the Router simpl y b y entering the unit's IP address into their w eb bro ws- er&apo[...]

EtherFast Cable/DSL Routers 42 not be greater than 253. In order to deter mine the DHCP IP Address range, add the starting IP address (e.g. 100) to the number of DHCP users. By default as sho wn, add 100 to 50, and the range is 192.168.1.100 to 192.168.1.150. • DHCP Clients T ab le Click on the DHCP Clients T able button to show the cur rent DHCP[...]

EtherFast Cable/DSL Routers T o upg rade the Router’ s f ir mware: 1. Select the Help tab (sho wn on the previous page). 2. Click on Upgrade Firmw ar e to display a ne w window (sho wn belo w): 3. Enter your Router’ s administration passw ord into the P asswor d Conf irm f ield. 4. Click the Bro wse button to f ind the f irmware upgrade f ile t[...]

EtherFast Cable/DSL Routers Instant Broadband Series 46 in the command prompt. T o set the MAC f ilter , click the Edit MA C Filter Setting button. When a second windo w appears, select the range in the drop- do wn box, and at the MA C number prompt, enter the 12-digit MAC address you w ant to f ilter . Click the Appl y button and the Continue butt[...]

EtherFast Cable/DSL Routers T o add a ser ver using F orw arding: 1. Enter the por t number or range of ports used by the server . On the same line, select the protocol UDP , TCP , or Both , and enter the LAN IP address of the server that you w ant the Inter net user(s) to access. 2. Conf igure as many entries as needed—the Router supports up to [...]

EtherFast Cable/DSL Routers 50 Instant Broadband Series 49 If your Cab le/DSL Router is connected to more than one network, y ou may ha ve to set up a static route betw een the tw o networks. A static route is a pre- determined pathwa y that network data pack ets must tra vel to reach a specif ic host or netw ork. Click the Sho w Routing T able but[...]

EtherFast Cable/DSL Routers 52 Instant Broadband Series 51 DMZ Hosting The DMZ Hosting feature allo ws one local user to be exposed to the Internet to use a special-pur pose ser vice such as Inter net gaming and video-conferenc- ing. Whereas IP F orwarding can onl y forward a maximum of 10 ranges of ports, DMZ hosting forw ards all the ports for on[...]

EtherFast Cable/DSL Routers 54 Instant Broadband Series 53 T roubleshooting Common Problems and Solutions This section pro vides possible solutions to prob lems regarding the installation and operation of the Cable/DSL Router . Read belo w description to solve y our problems. If y ou can’ t f ind an answ er here, check the Linksys w ebsite at www[...]

EtherFast Cable/DSL Routers 56 Instant Broadband Series 55 Frequently Asked Questions How many IP addresses can the Cable/DSL Router support? The Router supports a maximum of 253 IP addresses. Is IPSec Pass-Thru supported by the EtherFast Cable/DSL Router? Y es, it is a built- in feature that the Router automatically enab les. Where is the Cable/DS[...]

EtherFast Cable/DSL Routers 58 Instant Broadband Series 57 My Web pages hang (distorted), I get corrupted downloads, or nothing but junk characters are being displayed on the scr een. What do I do? F orce your NIC to 10Mbps or half duplex mode, and turn off the "Autone gotiate" feature on it temporarily . (T o do this, go to the Netw ork [...]

EtherFast Cable/DSL Routers Glossar y 10BaseT - An Ethernet standard that uses twisted wire pairs. 100BaseTX - IEEE ph ysical la yer specif ication for 100 Mbps ov er tw o pairs of Category 5 UTP or STP wire. 1000B ASE-T - pro vides half-duplex (CSMA/CD) and full-duplex 1000Mb/s Ethernet ser vice o ver Category 5 links as def ined by ANSI/TIA/EIA-5[...]

EtherFast Cable/DSL Routers CPU (Central Processing Unit) - The computing par t of the computer . Also called the “processor , ” it is made up of the control unit and ALU . CSMA/CD (Car rier Sense Multiple Access/Collision Detection) - The LAN access method used in Ethernet. When a de vice w ants to gain access to the net- w ork, it checks to s[...]

EtherFast Cable/DSL Routers Ethernet - IEEE standard netw ork protocol that specif ies ho w data is placed on and retriev ed from a common transmission medium. Has a transfer rate of 10 Mbps. F or ms the underl ying transport vehicle used by se veral upper-le vel protocols, including TCP/IP and XNS. F ast Ethernet - A 100 Mbps technology based on t[...]

EtherFast Cable/DSL Routers IPCONFIG – A W indo ws NT or 2000 utility that pro vides for querying, def in- ing and managing IP addresses within a netw ork. A commonly used utility for conf iguring netw orks with static IP addresses. IPSec - IPSec (Internet Protocol Security) is a developing standard for securi- ty at the netw ork or packet proces[...]

EtherFast Cable/DSL Routers PCI (P eripheral Component Interconnect) - A peripheral bus commonly used in PCs, Macintoshes and w orkstations. It was designed primaril y b y Intel and f irst appeared on PCs in late 1993. PCI pro vides a high-speed data path betw een the CPU and peripheral devices (video, disk, netw ork, etc.). There are typically thr[...]

EtherFast Cable/DSL Routers is made up of control programs such as the operating system and database management system (DBMS). Application software is an y program that processes data for the user . A common misconception is that software is data. It is not. Softw are tells the hardware ho w to process the data. SOHO (Small Off ice/Home Off ice) - [...]

EtherFast Cable/DSL Routers VLAN (V ir tual LAN) - A logical association that allo ws users to communi- cate as if they w ere physicall y connected to a single LAN, independent of the actual ph ysical conf iguration of the netw ork. V ir tual Serv er - Multiple ser vers that appear as one server , or one system image, to the operating system or for[...]

EtherFast Cable/DSL Routers 74 Instant Broadband Series 73 Step One: T o Ping an IP Addr ess The f irst step to determining your ISP’ s w eb and e-mail server address is to ping its IP Address. 1. P o w er on the PC and the cab le or DSL modem , and restore the net- w ork conf iguration set by y our ISP if you ha ve since changed it. 2. Click Sta[...]

EtherFast Cable/DSL Routers Instant Broadband Series 75 Installing the TCP/IP Protocol F ollo w these instructions to install the TCP/IP protocol on one of your PCs only after a netw ork card has been successfully installed inside the PC. These instructions are for W indo ws 95, W indows 98, and W indows ME. F or TCP/IP setup under W indows NT , se[...]

EtherFast Cable/DSL Routers Instant Broadband Series 77 T wisted-Pair Cabling There are different grades, or “categories, ” of twisted-pair cabling. Cate gor y 5 is the most reliable and most highl y recommended. Category 3 is a good sec- ond choice. Straight-through cables are used for connecting computers to a hub . Crosso ver cab les are use[...]

EtherFast Cable/DSL Routers Instant Broadband Series 79 4-Port Router Specifications Model Number BEFSR41 v2 Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX) Protocol CSMA/CD P or ts (LAN) F our 10/100 RJ-45 switched ports (W AN) One 10Base-T Ether net RJ-45 por t for the cable or DSL modem Speed (LAN) 10/100Mbps, (W AN) 10Mbps, Cabling T yp[...]

EtherFast Cable/DSL Routers 82 Instant Broadband Series 81 3-Port Router Specifications Model Number BEFSR U31 Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX) Protocol CSMA/CD P or ts (LAN) Three 10/100 RJ-45 Switched por ts (W AN) One 10Base-T Ether net RJ-45 por t for the cable or DSL modem Speed (LAN)10/100Mbps (W AN) 10Mbps Cabling T yp[...]

Instant Broadband Series 83 © Copyright 2001 Linksys, All Rights Reserved. www .linksys.com Customer Support F or help with the installation or operation of your Instant Broadband EtherF ast Cable/DSL Router , contact Linksys Customer Support at one of the phone numbers or Internet addresses below . Sales Information 800-546-5797 (1-800-LINKSYS) T[...]