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Cisco Systems BEFSR41 manuel d'utilisation

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Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Cisco Systems BEFSR41 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

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Tout d'abord, le manuel d’utilisation Cisco Systems BEFSR41 devrait contenir:
- informations sur les caractéristiques techniques du dispositif Cisco Systems BEFSR41
- nom du fabricant et année de fabrication Cisco Systems BEFSR41
- instructions d'utilisation, de réglage et d’entretien de l'équipement Cisco Systems BEFSR41
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Cisco Systems BEFSR41 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Cisco Systems BEFSR41 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Cisco Systems en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Cisco Systems BEFSR41, comme c’est le cas pour la version papier.

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Cisco Systems BEFSR41, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

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Table des matières du manuel d’utilisation

  • Page 1

    A Division of Cisco Systems, Inc . ® Model No . WIRED BEFSR41 User Guide with 4-Port Switch Cable/DSL Router EtherFast ®[...]

  • Page 2

    EtherFast Cable/DSL Router with 4-P ort Switch Copyright and T rademarks Specifications are subject to change without notice . Linksys and EtherFast are registered trademarks or trademarks of Cisco Systems, Inc . and/or its affiliates in the U .S. and certain other countries. Copyright © 2004 Cisco Systems, Inc . All rights reser ved. Other brands[...]

  • Page 3

    EtherFast Cable/DSL Router with 4-P ort Switch Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 2 Chapter 2: Networking Basics 4 An Introduction to Local Area Networks 4 The Use of IP Addresses 4 Chapter 3: Getting to Know the Router 6 The Back Panel 6 The Front Panel 7 Chapter 4: Connecting the Router 8 Overview 8 Conn[...]

  • Page 4

    EtherFast Cable/DSL Router with 4-P ort Switch Appendix A: Troubleshooting 39 Common Problems and Solutions 39 Frequently Asked Questions 49 Appendix B: Upgrading Firmware 53 Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter 54 Windows 98 or Me Instructions 54 Windows 2000 or XP Instructions 54 For the Router’s We b-bas[...]

  • Page 5

    EtherFast Cable/DSL Router with 4-P ort Switch List of Figures Figure 3-1: Back Panel 6 Figure 3-2: Front Panel 7 Figure 4-1: Example of a Typical Network 9 Figure 4-2: Connect a PC 9 Figure 4-3: Connect the Cable/DSL Modem 9 Figure 4-4: Connect the Power 9 Figure 5-1: Router’s IP Address 11 Figure 5-2: Router Login 11 Figure 5-3: Setup Tab - Bas[...]

  • Page 6

    EtherFast Cable/DSL Router with 4-P ort Switch Figure 5-23: Administration Tab - Management 32 Figure 5-24: Administration Tab - Log 34 Figure 5-25: Incoming Log Table 34 Figure 5-26: Outgoing Log Table 34 Figure 5-27: System Log 34 Figure 5-28: Administration Tab - Factory Defaults 35 Figure 5-29: Administration Tab - Firmware Upgrade 36 Figure 5-[...]

  • Page 7

    1 Chapter 1: Introductio n Welcome EtherFast Cable/DSL Router with 4-P ort Switch Chapter 1: Introduction We lc o me Thank you for choosing the EtherFast Cable/DSL Router with 4- Port Switch. This Router will allow your computers to share a high-speed Internet connection as w ell as resources, including files and printers. How does the Router do al[...]

  • Page 8

    2 Chapter 1: Introductio n What’s in this Guide? EtherFast Cable/DSL Router with 4-P ort Switch What’ s in this Gu ide? This user guide covers the basic steps for setting up a network with a router . After going through “Chapter 3: Getting to Know the Router , ” most users will only need to use the following chapters: • Chapter 4: Connect[...]

  • Page 9

    3 Chapter 1: Introductio n What’s in this Guide? EtherFast Cable/DSL Router with 4-P ort Switch • Appendix F: Specifications This appendix provides the technical specifications for the Router . • Appendix G: Warr anty Information This appendix supplies the warranty information for the Router . • Appendix H: Regulator y Information This appe[...]

  • Page 10

    4 Chapter 2: Networking Basics An Introduction to Local Area Networks EtherFast Cable/DSL Router with 4-P ort Switch Chapter 2: Networking Basics An Introduction to Local Ar ea Networks Simply put, a router is a network device that connects two networks together . The Router connects your local area network (LAN), or the group of PCs in your home o[...]

  • Page 11

    5 Chapter 2: Networking Basics The Use of IP Addresses EtherFast Cable/DSL Router with 4-P ort Switch A DHCP server can either be a designated PC on the network or another network device , such as the Router . By default, the Router’s Internet Connection T ype is Obt ain an IP automa tically (DHCP). The PC or network device obtaining an IP addres[...]

  • Page 12

    6 Chapter 3: Getting to Kn ow the Router The Back Panel EtherFast Cable/DSL Router with 4-P ort Switch Chapter 3: Getting to Know the Router The Back P anel The Router’s ports and the Reset button are located on the back panel of the Router . Reset Button The Reset button can be used in one of two ways: If the Router is having problems c onnectin[...]

  • Page 13

    7 Chapter 3: Getting to Kn ow the Router The Front Panel EtherFast Cable/DSL Router with 4-P ort Switch The Front P anel The Router’ s LEDs, which inform you about netwo rk activities, are located on the front panel. Po w e r Green. The P ower LED lights up when the Router is powered on. If the LED is flashing, the Router is booting up, running a[...]

  • Page 14

    8 Chapter 4: Connecting the Rou ter Overview EtherFast Cable/DSL Router with 4-P ort Switch Chapter 4: Connecting the Router Overview Using the Setup Wizard Linksys strongly recommends using the Setup CD-ROM for fi rst-time installation of the Router . T o use the Setup CD-ROM, insert the CD-ROM into your computer ’ s CD -ROM drive . The Setup Wi[...]

  • Page 15

    9 Chapter 4: Connecting the Rou ter Connection Instructions EtherFast Cable/DSL Router with 4-P ort Switch Connection Instructions 1. Make sure that all network devices are powered off , including the Router , PCs, switches, cable or DSL modem, and peripherals. 2. Connect one end of an Ethernet network cable to one of th e numbered ports on the bac[...]

  • Page 16

    10 Chapter 5: Configuring th e Router Overview EtherFast Cable/DSL Router with 4-P ort Switch Chapter 5: Configuring the Router Overview Now that you have connected the Router following the instructions in Chapter 4, you can use the Web-based Utility to configure the Router . Advanced users may configure the Router’ s advanced settings through th[...]

  • Page 17

    11 Chapter 5: Configuring th e Router How to Access the Web-based Utility EtherFast Cable/DSL Router with 4-P ort Switch Applications & Ga ming • Port Range Forwarding. Set up public services or ot her specialized Internet applications on your network. • Port T riggering. T o set up triggered ranges and forwarded ranges for Internet applica[...]

  • Page 18

    12 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p EtherFast Cable/DSL Router with 4-P ort Switch The Setup T ab - Basic Setup The Basic Setup screen is the first screen you see when you access the W eb-based Utility . Internet Setup The Internet Setup section configures the Router for your Inter net connection type . This infor mat[...]

  • Page 19

    13 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p EtherFast Cable/DSL Router with 4-P ort Switch Static IP If you are required to use a permanent IP address, then select Static IP . IP Addr ess . This is the IP address that the Router has, when seen from the Internet. Y our ISP will provide you with the IP Address you need to speci[...]

  • Page 20

    14 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p EtherFast Cable/DSL Router with 4-P ort Switch RAS Remote Access Service (RAS) is a ser vice that applies to connections in Singapore only . For users in Singapore , check with Singtel for information on RAS. User Name and P assword . Enter the User Name and Password supplied by Sin[...]

  • Page 21

    15 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p EtherFast Cable/DSL Router with 4-P ort Switch connection as soon as you attempt to access the Inter net again. If you wish to activate Connect on Demand, click the radio button. If you want your Inter net connection to remain on at all times, enter 0 in the Max Idle Time field. Oth[...]

  • Page 22

    16 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p EtherFast Cable/DSL Router with 4-P ort Switch L2TP Layer 2 T unneling Pro tocol (L2TP) is a service that tunnels Point-to-Point Proto col (PPP) across the Internet. It is used mostly in European countries. Server IP Addr ess . Enter the IP address of your ISP’ s ser ver . This is[...]

  • Page 23

    17 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p EtherFast Cable/DSL Router with 4-P ort Switch Router IP The values for the Router’ s Local IP Address and Subnet Mask are shown here. In most cases, keeping the default values will work. Local IP Address . The default value is 192.168.1. 1 . Subnet Mask . The de fault value is 25[...]

  • Page 24

    18 Chapter 5: Configuring th e Router The Setup Tab - DDNS EtherFast Cable/DSL Router with 4-P ort Switch The Setup T ab - DDNS The Router offers a Dynamic Domain Name System (DDN S) feature . DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server , or other[...]

  • Page 25

    19 Chapter 5: Configuring th e Router The Setup Tab - MAC Ad dress Clone EtherFast Cable/DSL Router with 4-P ort Switch The Setup T ab - MA C Address Clone A MAC address is a 12-digit code assigned to a unique piece of hardware for identification, like a social security number . Some ISPs will require you to register a MAC address in order to acces[...]

  • Page 26

    20 Chapter 5: Configuring th e Router The Setup Tab - MAC Ad dress Clone EtherFast Cable/DSL Router with 4-P ort Switch The Setup T ab - Advanced Routing The Advanced Routing screen allows you to configure the Netw ork Address T ranslation (NA T), dynamic routing, and static routing settings. Advanced Routing NA T NA T is a security feature that is[...]

  • Page 27

    21 Chapter 5: Configuring th e Router The Setup Tab - MAC Ad dress Clone EtherFast Cable/DSL Router with 4-P ort Switch Gateway . This is the IP address of the g ateway device that allows for contact between the Router and the remote network or host. Hop Count . This deter mines the maximum numbe r of steps between network nodes that data packets w[...]

  • Page 28

    22 Chapter 5: Configuring th e Router The Security Tab - Filter EtherFast Cable/DSL Router with 4-P ort Switch The Security T ab - Filter When you click the Security tab , you will see the Filte r screen. On this scr een, set up filters to block specific internal users from accessing the Inter net and enhance your network’ s security . Filter IP [...]

  • Page 29

    23 Chapter 5: Configuring th e Router The Security Tab - Filter EtherFast Cable/DSL Router with 4-P ort Switch Filter Multicast . Multicasting a llows for multiple transmissions to specific recipients at the same time . If multicasting is permitted, then th e Router will allow IP multicast packets to be forw arded to the appropriate computers. Sele[...]

  • Page 30

    24 Chapter 5: Configuring th e Router The Security Tab - VPN EtherFast Cable/DSL Router with 4-P ort Switch The Security T ab - VPN The VPN screen allows you to allow VPN tunnels using IPSec , PPPoE, or PPTP protocols to pass th rough the Router . VPN Passthrough IPSec P assthrough . IPSec (Internet Protocol Security) is a suite of protocols used t[...]

  • Page 31

    25 Chapter 5: Configuring th e Router The Applications & Gamin g Tab - Port Range Forwarding EtherFast Cable/DSL Router with 4-P ort Switch The Applications & Gaming T ab - P ort Range Forwar ding When you click the Applications & Gaming tab , you will see the Port Range Forwarding screen. Port range forwarding sets up public services o[...]

  • Page 32

    26 Chapter 5: Configuring th e Router The Applications & Ga ming Tab - Port Triggering EtherFast Cable/DSL Router with 4-P ort Switch The Applications & Gami ng T ab - P ort T riggering The Port T riggering screen allows the Router to watch outgoing data for specific port numbers. The IP address of the computer that sends the matching data [...]

  • Page 33

    27 Chapter 5: Configuring th e Router The Applications & G aming Tab - UPnP Forwarding EtherFast Cable/DSL Router with 4-P ort Switch The Applications & Gaming T ab - UPnP For warding The UPnP F orwarding screen displays preset application settings as well as options to customize port services for other applications. UPnP Forwarding Applica[...]

  • Page 34

    28 Chapter 5: Configuring th e Router The Applications & G aming Tab - UPnP Forwarding EtherFast Cable/DSL Router with 4-P ort Switch NNTP (Network News T ransfer Protocol). The protocol used to connect to Usenet groups on the Inter net. Usenet newsreaders support the NNTP protocol. SNMP (Simple Network Management Protocol). A widely used ne tw[...]

  • Page 35

    29 Chapter 5: Configuring th e Router The Applications & G aming Tab - DMZ EtherFast Cable/DSL Router with 4-P ort Switch The Applications & Gaming T ab - DMZ The DMZ screen allows one local user to be exposed to the Internet for use of a special-pu rpose service such as Internet gaming and videoco nferencing . DMZ hosting forwards all the [...]

  • Page 36

    30 Chapter 5: Configuring th e Router The Applications & G aming Tab - QoS EtherFast Cable/DSL Router with 4-P ort Switch The Applications & Gaming T ab - QoS Quality of Service (QoS) en sures better service to high- priority types of network traffic , which may involve demanding, real-time applications, such as videoconferencing on IP phon[...]

  • Page 37

    31 Chapter 5: Configuring th e Router The Applications & G aming Tab - QoS EtherFast Cable/DSL Router with 4-P ort Switch • FTP (File T ransfer Protocol). A protocol used to transfer f iles over a TCP/IP network (Internet, UNIX, etc .). For example , after developing the HTML pages for a website on a local machine , they ar e typically upload[...]

  • Page 38

    32 Chapter 5: Configuring th e Router The Administration Ta b - Management EtherFast Cable/DSL Router with 4-P ort Switch The Administration T ab - Management When you click the Administration tab , you will see the Management screen. This screen allows you to c hange the Router’ s access settings as well as configure the UPnP (Universal Plug and[...]

  • Page 39

    33 Chapter 5: Configuring th e Router The Administration Ta b - Management EtherFast Cable/DSL Router with 4-P ort Switch Allow users to disable Internet access . When enabled, this feature allows you to prohibit any and all Internet connections. When you have finished making changes to this screen, click the Save Sett ings button to save the chang[...]

  • Page 40

    34 Chapter 5: Configuring th e Router The Administration T ab - Log EtherFast Cable/DSL Router with 4-P ort Switch The Administration T ab - Log The Log screen provides you with a log of all incoming and outgoing URLs or IP addresses for your Intern et connection. Log Log . T o keep activity logs, select the Ye s radio button. With logging enabled,[...]

  • Page 41

    35 Chapter 5: Configuring th e Router The Administration Tab - Factory Defaults EtherFast Cable/DSL Router with 4-P ort Switch The Administration T ab - Factory Defaults The Factory D efaults screen allows you to restore the Router’ s configuration to its factory de fault settings. Factory Defaults Restore Factory Defaults . T o clear all of the [...]

  • Page 42

    36 Chapter 5: Configuring th e Router The Administration Tab - Firmware Upgrade EtherFast Cable/DSL Router with 4-P ort Switch The Administration T ab - Firmware Upgrade The Firmware Upgrade screen allows you to upgrade the Router’ s firmw are . Do not upgrade the fir mware unless you are experiencing problems with the Router or the new firmware [...]

  • Page 43

    37 Chapter 5: Configuring th e Router The Status Tab - Rou ter EtherFast Cable/DSL Router with 4-P ort Switch The Status T ab - Router The Router screen displays information about the Router and its current settings. The on-screen information will vary depending on the Internet Connection T ype selected on the Setup screen. Information Firmware Ver[...]

  • Page 44

    38 Chapter 5: Configuring th e Router The Status Tab - Loca l Network EtherFast Cable/DSL Router with 4-P ort Switch The Status T ab - Local Network The Local Network screen displays information about the local network. Local Network Local MAC Addr ess . The MAC Address of the Router ’ s LAN (loc al area network) interface is displayed here . IP [...]

  • Page 45

    39 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch Appendix A: T roubleshooting This appendix provides solutions to problems that may occur during the installation and operation of the Router . Read the description below to solve your problems. If you can't find an answer here , check [...]

  • Page 46

    40 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch E. Click the DNS tab , and make sure the DNS En abled option is selected. Enter the Ho st and Domain names (e .g., John for Host and home for Domain). Enter the DNS entr y provided by your ISP . If your ISP has not provided the DNS IP addre[...]

  • Page 47

    41 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch E. Enter a unique IP address that is not used by any oth er computer on the network connected to the Router . Y ou can only use an IP address in the ranges 192.168.1.2 to 192.168.1.99 and 192.168.1.150 to 192.168.1.254. F . Enter the Subnet[...]

  • Page 48

    42 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch 3. Right-click the Local Area Connection that is associated with the Etherne t adapter you are using , and select the Properties option. 4. In the This connection uses the following items box, highlight Internet Protocol (TCP/IP) , and clic[...]

  • Page 49

    43 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch D . Make sure you use the right cable. Chec k to see if the Internet LED is solidly lit. E. Make sure the cable connecting from your cable or DS L modem is connected to the Router’ s Internet port. Verify that the Status page of the Route[...]

  • Page 50

    44 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch 7. I need to set up a server behind my Router . T o use a ser ver like a web , ftp, or mail server , you need to know the r espective port numbers they are using. For example , port 80 (HTTP) is used for web; port 21 (FTP) is used for FTP ,[...]

  • Page 51

    45 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch A. Access the Router’ s Web-based Utility by going to http: //192.168.1. 1 or the IP address of the Router . Go to the Applications & Gaming => P ort Range Forwarding tab . B . Enter any name you want to use for the Application. C.[...]

  • Page 52

    46 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch D . Enter the Ether net adapter’ s IP address of the computer you want exposed to the Internet. This will bypass the NA T security for that computer . Please refer to “ Appendix C: Finding the MAC Address and IP Address for Y our Ethern[...]

  • Page 53

    47 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch 13. I need to upg rade the firmware. In order to upgrade the firmware with the latest features, you need to go to the Linksys website and do wnload the latest firmware at www .linksys.com . Follow these steps: A. Go to the Linksys website a[...]

  • Page 54

    48 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 4-P ort Switch 16. I can't access my email, web, or VPN, or I am getting corrupted da ta from the Internet. The Maximum T ransmission Unit (MTU) setting may need to be adjusted. By default, the MTU is set at 1500. For most DSL users, it is strongly r[...]

  • Page 55

    49 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 4-P ort Switch • If the Router is configured correctly , check your Int ernet connection (DSL/cable modem, etc .) to see if it is working correctly . Y ou can remove the Router to verify a direct connection. • Manually configure the TCP/IP with a DNS addr[...]

  • Page 56

    50 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 4-P ort Switch Does the Router suppor t IC Q se nd file? Y es, with the following fix: click ICQ menu => pr eference => connections tab=>, and check I am behind a firewall or proxy . Then set the firewall time-out to 80 seconds in the firew all setti[...]

  • Page 57

    51 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 4-P ort Switch How can I be notified of new Router f irmware upgrades? All Linksys firmware upgrades are posted on the Linksys website at www .linksys.com , where they can be downloaded for free . The Ro uter’ s fir mware can be upgraded with TFTP programs.[...]

  • Page 58

    52 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 4-P ort Switch What is the maximum number of VP N sessions allowed by the Router? The maximum number depends on many facto rs. At least one IPSec session will work through the Router; however , simultaneous IPSec sessions may be possible , d epending on the s[...]

  • Page 59

    53 Appendix B: Upgradin g Firmware EtherFast Cable/DSL Router with 4-P ort Switch Appendix B: Upgrading Firmware Y ou can use the Router’s W e b-ba sed Utility to upgrade the firmware; however , if you do so , you will lose the settings you have configured on the Router . Before you upgrade its firmware , write down all of your custom settings. A[...]

  • Page 60

    54 Appendix C: Findin g the MAC Add ress and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions EtherFast Cable/DSL Router with 4-P ort Switch Appendix C: Finding the MA C Address and IP Address for Y our Ethernet Adapter This section describes how to find the MAC address for your computer’s Ethernet adapter so you can use the MAC[...]

  • Page 61

    55 Appendix C: Findin g the MAC Add ress and IP Address for Your Ethernet Adapter For the Router’s Web-based Utility EtherFast Cable/DSL Router with 4-P ort Switch 3. Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet adapter . This appears as a series of numbers and letters. The MAC address/[...]

  • Page 62

    56 Appendi x D: Wind ows Help EtherFast Cable/DSL Router with 4-P ort Switch Appendix D: Windows Help Almost all networking products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier . These features can be accessed through Windows Help and are described i[...]

  • Page 63

    57 Appendix E: Glossary EtherFast Cable/DSL Router with 4-P ort Switch Appendix E: Glossar y Adapter - A device that adds ne twork functionality to your PC. Backbone - The part of a network that connects most of the systems and networks together , and handles the most data. Bandwidth - Th e transmission capacity of a given device or network. Beacon[...]

  • Page 64

    58 Appendix E: Glossary EtherFast Cable/DSL Router with 4-P ort Switch Default Gateway - A device that forwards Internet traffic from your local area network. DHCP ( D ynamic H ost C onfiguration P rotocol) - A networking protocol that allows administrators to assign temporary IP addresses to network computers by “leasing” an IP address to a us[...]

  • Page 65

    59 Appendix E: Glossary EtherFast Cable/DSL Router with 4-P ort Switch Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at a time . Ha rdw are - The physical aspect of computers, telecomm unications, and other information technology devices. HTTP ( H yper T ext T ransport P rotocol) - The c[...]

  • Page 66

    60 Appendix E: Glossary EtherFast Cable/DSL Router with 4-P ort Switch Ping ( P acket IN ter net G roper) - An Internet utility used to deter mine whether a particular IP address is online . POP3 ( P ost O ffice P rotocol 3 ) - A standard mail ser ver commonly used on the Internet. Po r t - The connection point on a computer or networking device us[...]

  • Page 67

    61 Appendix E: Glossary EtherFast Cable/DSL Router with 4-P ort Switch Switch - 1. A data switch that connects computing devices to host compu ters, allowing a large number of devices to share a limited number of ports. 2. A device for making, breaking, or c hanging the connections in an electrical circuit. TCP ( T ransmission C ontrol P rotocol) -[...]

  • Page 68

    62 Appendix F: Specifications EtherFast Cable/DSL Router with 4-P ort Switch Appendix F: Specifications Model BEFSR41 ver . 4 Standards IEEE 802.3 (10Bas eT), IEEE 802.3u (100BaseTX) Ports One 10/100 RJ-45 Port for Broadband Modem Four 10/100 RJ-45 Switched Ports Button Reset Button Cabling T ype Ethernet Categor y 5 LEDs Power , Ether net, Interne[...]

  • Page 69

    63 Appendix F: Specifications EtherFast Cable/DSL Router with 4-P ort Switch Operating Humidity 10% to 85%, Non-Condensing Storage Humidity 5% to 90%, Non-Condensing[...]

  • Page 70

    64 Appendix G: Warranty Information EtherFast Cable/DSL Rout er with 4-P ort Switch Appendix G: W arranty Information LIMITED WARRANTY Linksys warrants to Y ou that, for a period of one year (the “Warranty Period”), your Linksys Product will be substantially free of defects in materials and workmanship under normal use . Y our exclusive remedy [...]

  • Page 71

    65 Appendix H: Regulatory Inf ormation EtherFast Cable/DSL Router with 4-P ort Switch Appendix H: Regulator y Information FCC ST A TEMENT This product has been tested and complies with the specification s for a Class B digital device , pursuant to Part 15 of the FCC Rules. These limits are designed to pr ovide reasonable protection against harmful [...]

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    66 Appendix I: Contact Information EtherFast Cable/DSL Router with 4-P ort Switch Appendix I: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to your existing products at: http://www .linksys.com or ftp.linksys.com Can't find information about a product you want to buy on the web?[...]