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Linksys Instant Broadband Series User Manual

Instant broadband series cable/dsl routers
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Instant Broadband™ Series
EtherFast
Cable/DSL Routers
Use this User Guide to install the following Linksys product(s):
BEFSR41 ver. 2 EtherFast Cable/DSL Router with 10/100 4-Port Switch
BEFSRU31
EtherFast Cable/DSL Router with USB Port and 10/100
3-Port Switch
BEFSR11 ver. 2 EtherFast 1-Port Cable/DSL Router
®

User Guide

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Summary of Contents for Linksys Instant Broadband Series

  • Page 1: User Guide

    Instant Broadband™ Series EtherFast ® Cable/DSL Routers Use this User Guide to install the following Linksys product(s): BEFSR41 ver. 2 EtherFast Cable/DSL Router with 10/100 4-Port Switch BEFSRU31 EtherFast Cable/DSL Router with USB Port and 10/100 3-Port Switch BEFSR11 ver. 2 EtherFast 1-Port Cable/DSL Router...
  • Page 2 Linksys reserves the right to revise or update its products, software, or documentation without obligation to notify any individual or entity.

  • Page 3: Table Of Contents

    Table of Contents Cable/DSL Router Configuring PCs to Connect to the Cable/DSL Router Introduction Configuring the Cable/DSL Router The Linksys EtherFast Cable/DSL Router Features The Cable/DSL Router’s Web-based Utility Package Contents for the 4-Port Router (BEFSR41) Quick and Easy Router Administration...

  • Page 4: Introduction

    Cable/DSL Router Congratulations on the purchase of the EtherFast Cable/DSL Router from Linksys! The EtherFast Cable/DSL Router is the perfect solution for connect- ing a network of PCs to a high-speed broadband Internet connection and to an Ethernet network backbone. Configurable as a DHCP server for your network, the EtherFast Cable/DSL Router is the only visible network device on the Internet.

  • Page 5: Package Contents For The 1-Port Router (Befsr11)

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Package Contents for the 1-Port Router (BEFSR11) Package Contents for the 3-Port Router (BEFSRU31) Package Contents for the 1-Port Router (BEFSR11) • One EtherFast 10/100 1-Port Cable/DSL Router • One EtherFast Cable/DSL Router with USB Port & 10/100 3-Port Switch •...

  • Page 6: Getting To Know The 4-Port Etherfast Cable/Dsl Router

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 4-Port Router’s Front Panel LEDs Getting to Know the 4-Port ® EtherFast Cable/DSL Router The 4-Port Router’s Rear Panel Your Router’s ports, where network cables are connected, are located on the rear panel of your Router. The LAN Indicators Power Green.

  • Page 7: Getting To Know The 1-Port Etherfast Cable/Dsl Router

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers The WAN Indicators Getting to Know the 1-Port Link Green. The Link LED lights up when a successful connec- EtherFast Cable/DSL Router tion is made between the Router and your broadband device or network.

  • Page 8: The 1-Port Router's Front Panel Leds

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Buttons & Switches is continuously lit, the Router is successfully connected to a device through the LAN port. If the LED is flickering, the Router is actively sending or receiving data through the LAN The Reset Button Details on the Reset button are found in the Getting to Know the 4-Port EtherFast Cable/DSL Router...

  • Page 9: Getting To Know The 3-Port Etherfast Cable/Dsl Router

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Getting to Know the 3-Port EtherFast Cable/DSL Router USB ports do not work on PCs running Windows 95 or Windows NT. The 3-Port Router’s Rear Panel Ports USB Compatibility with Your PC To use the USB port on the 3-Port Router, you must have Windows 98, 2000, Millennium, or XP installed on your PC.

  • Page 10: The 3-Port Router's Front Panel Leds

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Buttons The USB LED lights up when the USB port is successfully The Reset Button Details on the Reset button are found in the Getting connected to a PC, USB hub, or other USB device. to Know the 4-Port EtherFast Cable/DSL Router section.

  • Page 11: Connecting The Cable/Dsl Router To Your Network

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Your Router’s firewall (NAT) protects your network of PCs with security so Connecting the Cable/DSL users on the public, Internet side cannot “see” your PCs. This is how your internal LAN, or network, remains private. Router to Your Network Remember that your Router’s ports connect to two sides: your 10/100 LAN Overview...

  • Page 12: Connecting Your Hardware Together & Booting Up

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Dynamic IP Addresses Connecting Your Hardware Together and Booting Up 1. Before you begin, make sure that all of your hardware is powered off, A dynamic IP address is automatically assigned to a device on the network, such as PCs and print servers.

  • Page 13: Uplinking: Connecting More Devices To Your Router

    Hold the button in until the Diag LED lights up and then turns off. This will restore the Router’s factory default settings. See your nearest Linksys retailer or visit www.linksys.com for complete product lines of 10/100 Mbps hubs and switches.

  • Page 14: Installing The Befsru31'S Usb Port Drivers

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 3. Select “Search for the best driver for your device (Recommended).” Installing the BEFSRU31’s Click the Next button. USB Port Drivers Use the enclosed USB cable to connect your PC to the Router: the Type A end connects to your PC’s USB port, while Type B connects to the Router’s USB port.
  • Page 15 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 5. A new window will appear, saying that Windows is now ready to install 7. Windows will notify you that it has completed copying the driver files to the best driver for this device. Click the Next button to continue. your PC.

  • Page 16: Installing The Windows 2000 Driver

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 3. When Windows asks you where to search for driver files, select “Floppy Installing the Windows 2000 Driver disk drives” and click the Next button. 1. With the Router connected to your PC’s USB port, start up your PC in Windows 2000 and insert your driver disk.
  • Page 17 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 5. When the Digital Signature Not Found screen appears, Windows will ask 7. Windows will display a message saying that it has finished installing the you if you want to continue with the installation. Click the Yes button. driver files on your PC.

  • Page 18: Installing The Windows Millennium Driver

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 4. Windows will ask you to restart your PC. Click the Yes button. Installing the Windows Millennium Driver 1. With the router connected to your PC’s USB port, start up your PC in Windows Millennium, and insert your driver disk.

  • Page 19: Installing The Windows Xp Driver

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 4. When the Hardware Installation screen appears, click Continue Anyway. Installing the Windows XP Driver 1. With the router connected to your PC’s USB port, start up your PC in Windows XP, and insert your driver disk. 2.

  • Page 20: Configuring Your Network With The Cable/Dsl Router

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 4. Click the Properties button, and then choose the IP Address tab. Select Configuring Your Network with Obtain an IP address automatically. Click the OK button. the Cable/DSL Router You have now completed the PC’s client settings, so it can connect to the Router.

  • Page 21: Configuring The Cable/Dsl Router

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Configuring the Cable/DSL Router 3. The Cable/DSL Router’s Setup page will appear. Now that your TCP/IP setup is complete, you can begin configuring your Router. I I M M P P O O R R T T A A N N T T ! ! If you have previously enabled any I I n n t t e e r r n n e e t t - - s s h h a a r r i i n n g g p p r r o o x x y y s s e e r r v v e e r r s s o o f f t t w w a a r r e e on any of your PCs, you must disable it now.

  • Page 22: The Cable/Dsl Router's Web-Based Utility

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers WAN IP Address These values refer to the external network (the Internet) The Cable/DSL Router’s Web- you connect to every time you access your Internet connection. Most broadband ISPs assign their clients to a different IP address each time based Utility they log on.

  • Page 23: Setup

    Future versions of the Router’s firmware will be posted and and click the Apply button. Otherwise, enter in the number of minutes you available for download on the Linksys website at www.linksys.com. want to elapse before your Internet access disconnects.

  • Page 24: Password

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Password Password Status It is strongly recommended that you set a password for the Router. When you first power up the Router, there is no default Password setting assigned. This tab displays the current status of the Router; it reflects the data and selec- If you leave the password field blank, all users on your network will be able to tions you’ve entered under the Setup tab.

  • Page 25: Dhcp

    DHCP, remember to assign a static IP address to your Router. the Continue button when you’re done. You may download the Logviewer software at www.linksys.com for more information. • Starting IP Address Enter a value for the DHCP server to start with when issuing IP addresses.

  • Page 26: Security

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers ZoneAlarm Pro Settings Security If you have downloaded ZoneAlarm Pro, complete this section. License Key Enter the License Key for ZoneAlarm Pro. The License Key will be e-mailed to you after you purchase ZoneAlarm Pro. Enforce ZoneAlarm Pro Security Click this box to enable ZoneAlarm Pro on your router.

  • Page 27: Help

    Router’s firmware. field. New firmware versions are posted at www.linksys.com and can be downloaded 4. Click the Browse button to find the firmware upgrade file that you down- for free. If your Router can access the Internet already, there’s no need to loaded from the Linksys website.

  • Page 28: Ip Filtering

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers IP Filtering in the command prompt. To set the MAC filter, click the Edit MAC Filter Setting button. When a second window appears, select the range in the drop- down box, and at the MAC number prompt, enter the 12-digit MAC address you want to filter.

  • Page 29: Ip Forwarding

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Using Remote Upgrade To add a server using Forwarding: • This feature allows you to upgrade your Router’s firmware from a remote 1. Enter the port number or range of ports used by the server. On the same location.

  • Page 30: Dynamic Routing

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Dynamic Routing Static Routing With Dynamic Routing, you can automatically adjust to physical changes in the network’s layout. The Router, using the RIP protocol, calculates the most effi- cient route for the network’s data packets to travel between the source and the destination, based upon the shortest paths.

  • Page 31: Dmz Hosting

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers To create a static route entry: DMZ Hosting 1. Select Static Route Entry from the drop-down list. The Cable/DSL Router supports up to 20 static route entries. 2. Enter the following data to create a static route: Destination LAN IP The Destination LAN IP address is the address of the remote network or host to which you want to assign a static route.

  • Page 32: Mac Address Cloning

    Cable/DSL Router. If your situation is described here, the problem should be solved by applying the corresponding solution. If you can’t find an answer here, check the Linksys website at www.linksys.com. Note: This is a sample screen.

  • Page 33: Frequently Asked Questions

    • If your Internet home page address is something very simple, such as WAN port. It does, of course, support 100Mbps over the auto-sensing Fast “www”, instead of “www.linksys.com,” or your e-mail server’s address Ethernet 10/100 switch on the LAN side of the router.
  • Page 34 “No Proxy Server” in your File>Preferences. How will I be notified of new router firmware upgrades? All Linksys firmware I set up an Unreal Tournament Server, but others on the LAN cannot join. What do upgrades are posted on the Linksys website at www.linksys.com, where I need to do? If you have a dedicated Unreal Tournament server running, they can be downloaded for free.

  • Page 35: Glossary

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers If DMZ Hosting is used, does the exposed user share the public IP with the Glossary Router? No. 10BaseT - An Ethernet standard that uses twisted wire pairs. Does the Router pass PPTP packets or actively route PPTP sessions? The router allows PPTP packets to pass through.
  • Page 36 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Broadband - A data-transmission scheme in which multiple signals share the CSMA/CD (Carrier Sense Multiple Access/Collision Detection) - The LAN bandwidth of a medium. This allows the transmission of voice, data, and video access method used in Ethernet.
  • Page 37 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers DMZ - (Demilitarized Zone) allows one IP address (or computer) to be Ethernet - IEEE standard network protocol that specifies how data is placed exposed to the Internet. Some applications require multiple TCP/IP ports to be on and retrieved from a common transmission medium.
  • Page 38 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Full Duplex - The ability of a device or line to transmit data simultaneously in IPCONFIG - A utility that provides for querying, defining and managing IP both directions. addresses within a network. A commonly used utility, under Windows NT and 2000, for configuring networks with static IP addresses.
  • Page 39 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers NetBEUI (NetBIOS Extended User Interface) - The transport layer for Partitioning - To divide a resource or application into smaller pieces. NetBIOS. NetBIOS and NetBEUI were originally part of a single protocol suite that was later separated.
  • Page 40 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers diagnostic tool or debugging feature, especially when fending off an attack. It control programs such as the operating system and database management sys- enables the administrator to keep close track of switch performance and alter it tem (DBMS).
  • Page 41 Instant Broadband Series ® ™ EtherFast Cable/DSL Routers TCP/IP - Transmission Control Protocol/Internet Protocol (TCP/IP) is the VLAN (Virtual LAN) - A logical association that allows users to communi- basic communication language or protocol of the Internet. It can also be used cate as if they were physically connected to a single LAN, independent of the as a communications protocol in a private network (either an intranet or an actual physical configuration of the network.

  • Page 42: Appendix

    2. Click Start, then Run, and type “command.” This will bring up the DOS Internet. For example, www.linksys.com is actually 216.23.162.142. Type it window. into your web browser and you will wind up at the Linksys home page every time. 3. At the DOS command prompt, type “ping mail” (assuming that the location for which you’re trying to find an IP address is configured as...

  • Page 43: Installing The Tcp/Ip Protocol

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers Step Two: Pinging for a Web Address Installing the TCP/IP Protocol While the IP address returned above would work as your e-mail server Follow these instructions to install the TCP/IP protocol on one of your PCs only after a network card has been successfully installed inside the PC.

  • Page 44: Twisted-Pair Cabling

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 6. Find and double-click TCP/IP in the list to the right (below). Twisted-Pair Cabling There are different grades, or “categories,” of twisted-pair cabling. Category 5 is the most reliable and most highly recommended. Category 3 is a good sec- ond choice.

  • Page 45: Crimping Your Own Network Cables

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 4-Port Router Specifications Crimping Your Own Network Cables Model Number BEFSR41 v2 Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX) Protocol CSMA/CD • Straight-Through Cabling Ports LAN: Four 10/100 RJ-45 switched ports WAN: One 10Base-T Ethernet RJ-45 port for the cable or DSL modem Speed...

  • Page 46: 1-Port Router Specifications

    Instant Broadband Series ® ™ EtherFast Cable/DSL Routers 1-Port Router Specifications 3-Port Router Specifications Model Number BEFSR11 Model Number BEFSRU31 Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX) Standards IEEE 802.3 (10BaseT), IEEE 802.3u Protocol CSMA/CD (100BaseTX) Ports Protocol CSMA/CD LAN: One 10BaseT/100BaseTX RJ-45 port Ports WAN:...

  • Page 47: Customer Support

    Instant Broadband Series ™ Customer Support For help with the installation or operation of your Instant Broadband EtherFast 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) Tech Support...

This manual is also suitable for:

Etherfast befsr41Etherfast befsru31Etherfast befsr11

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