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A Division of Cisco Systems, Inc . ® Model No . WIRED BEFSR41 User Guide with 4-Port Switch Cable/DSL Router EtherFast ®.
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.
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 T.
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 M.
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: Conn.
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 Tab.
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.
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 .
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 .
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 .
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).
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 .
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.
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 .
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.
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 .
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.
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 .
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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 .
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.
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 .
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.
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.
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.
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.
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 .
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.
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).
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.
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 .
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.
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.
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 .
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.
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 .
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 .
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).
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.
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.
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.
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.
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 .
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 .
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 .
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.
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.
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 .
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 .
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.
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 .
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 .
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 .
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 .
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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