Page 2 - Copyright and Trademarks
EtherFast Cable/DSL Router with 4-Port Switch Copyright and Trademarks 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 Syste...
Page 3 - Table of Contents; Chapter 1: Introduction
EtherFast Cable/DSL Router with 4-Port 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 Cha...
Page 4 - Common Problems and Solutions
EtherFast Cable/DSL Router with 4-Port 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 ...
Page 5 - List of Figures
EtherFast Cable/DSL Router with 4-Port 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...
Page 7 - Welcome
1 Chapter 1: IntroductionWelcome EtherFast Cable/DSL Router with 4-Port Switch Chapter 1: Introduction Welcome 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 well as resources, including fil...
Page 8 - What’s in this Guide?
2 Chapter 1: IntroductionWhat’s in this Guide? EtherFast Cable/DSL Router with 4-Port Switch What’s in this Guide? 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 followin...
Page 10 - Chapter 2: Networking Basics; An Introduction to Local Area Networks
4 Chapter 2: Networking BasicsAn Introduction to Local Area Networks EtherFast Cable/DSL Router with 4-Port Switch Chapter 2: Networking Basics An Introduction to Local Area Networks Simply put, a router is a network device that connects two networks together. The Router connects your local area net...
Page 12 - Chapter 3: Getting to Know the Router; The Back Panel
6 Chapter 3: Getting to Know the RouterThe Back Panel EtherFast Cable/DSL Router with 4-Port Switch Chapter 3: Getting to Know the Router The Back Panel 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: ...
Page 13 - The Front Panel
7 Chapter 3: Getting to Know the RouterThe Front Panel EtherFast Cable/DSL Router with 4-Port Switch The Front Panel The Router’s LEDs, which inform you about network activities, are located on the front panel. Power Green. The Power LED lights up when the Router is powered on. If the LED is flashin...
Page 14 - Chapter 4: Connecting the Router; Overview; Using the Setup Wizard; Using the Quick Installation or User Guide
8 Chapter 4: Connecting the RouterOverview EtherFast Cable/DSL Router with 4-Port Switch Chapter 4: Connecting the Router Overview Using the Setup Wizard Linksys strongly recommends using the Setup CD-ROM for first-time installation of the Router. To use the Setup CD-ROM, insert the CD-ROM into your...
Page 15 - Connection Instructions
9 Chapter 4: Connecting the RouterConnection Instructions EtherFast Cable/DSL Router with 4-Port 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 c...
Page 16 - Chapter 5: Configuring the Router; Setup
10 Chapter 5: Configuring the RouterOverview EtherFast Cable/DSL Router with 4-Port 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 configur...
Page 17 - Applications & Gaming; How to Access the Web-based Utility
11 Chapter 5: Configuring the RouterHow to Access the Web-based Utility EtherFast Cable/DSL Router with 4-Port Switch Applications & Gaming • Port Range Forwarding. Set up public services or other specialized Internet applications on your network. • Port Triggering. To set up triggered ranges an...
Page 18 - The Setup Tab - Basic Setup; Internet Setup
12 Chapter 5: Configuring the RouterThe Setup Tab - Basic Setup EtherFast Cable/DSL Router with 4-Port Switch The Setup Tab - Basic Setup The Basic Setup screen is the first screen you see when you access the Web-based Utility. Internet Setup The Internet Setup section configures the Router for your...
Page 22 - Network Setup
16 Chapter 5: Configuring the RouterThe Setup Tab - Basic Setup EtherFast Cable/DSL Router with 4-Port Switch L2TP Layer 2 Tunneling Protocol (L2TP) is a service that tunnels Point-to-Point Protocol (PPP) across the Internet. It is used mostly in European countries. Server IP Address . Enter the IP ...
Page 25 - The Setup Tab - MAC Address Clone; MAC Clone
19 Chapter 5: Configuring the RouterThe Setup Tab - MAC Address Clone EtherFast Cable/DSL Router with 4-Port Switch The Setup Tab - MAC 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 ...
Page 26 - The Setup Tab - Advanced Routing; Advanced Routing
20 Chapter 5: Configuring the RouterThe Setup Tab - MAC Address Clone EtherFast Cable/DSL Router with 4-Port Switch The Setup Tab - Advanced Routing The Advanced Routing screen allows you to configure the Network Address Translation (NAT), dynamic routing, and static routing settings. Advanced Routi...
Page 28 - The Security Tab - Filter; Filter IP Address Range
22 Chapter 5: Configuring the RouterThe Security Tab - Filter EtherFast Cable/DSL Router with 4-Port Switch The Security Tab - Filter When you click the Security tab, you will see the Filter screen. On this screen, set up filters to block specific internal users from accessing the Internet and enhan...
Page 30 - The Security Tab - VPN; VPN Passthrough
24 Chapter 5: Configuring the RouterThe Security Tab - VPN EtherFast Cable/DSL Router with 4-Port Switch The Security Tab - VPN The VPN screen allows you to allow VPN tunnels using IPSec, PPPoE, or PPTP protocols to pass through the Router. VPN Passthrough IPSec Passthrough . IPSec (Internet Protoco...
Page 31 - The Applications & Gaming Tab - Port Range Forwarding; Port Range Forwarding
25 Chapter 5: Configuring the RouterThe Applications & Gaming Tab - Port Range Forwarding EtherFast Cable/DSL Router with 4-Port Switch The Applications & Gaming Tab - Port Range Forwarding When you click the Applications & Gaming tab, you will see the Port Range Forwarding screen. Port ...
Page 32 - The Applications & Gaming Tab - Port Triggering; Port Triggering
26 Chapter 5: Configuring the RouterThe Applications & Gaming Tab - Port Triggering EtherFast Cable/DSL Router with 4-Port Switch The Applications & Gaming Tab - Port Triggering The Port Triggering screen allows the Router to watch outgoing data for specific port numbers. The IP address of t...
Page 33 - The Applications & Gaming Tab - UPnP Forwarding; UPnP Forwarding
27 Chapter 5: Configuring the RouterThe Applications & Gaming Tab - UPnP Forwarding EtherFast Cable/DSL Router with 4-Port Switch The Applications & Gaming Tab - UPnP Forwarding The UPnP Forwarding screen displays preset application settings as well as options to customize port services for ...
Page 35 - DMZ
29 Chapter 5: Configuring the RouterThe Applications & Gaming Tab - DMZ EtherFast Cable/DSL Router with 4-Port Switch The Applications & Gaming Tab - DMZ The DMZ screen allows one local user to be exposed to the Internet for use of a special-purpose service such as Internet gaming and videoc...
Page 36 - Device Priority; Ethernet Port Priority
30 Chapter 5: Configuring the RouterThe Applications & Gaming Tab - QoS EtherFast Cable/DSL Router with 4-Port Switch The Applications & Gaming Tab - QoS Quality of Service (QoS) ensures better service to high-priority types of network traffic, which may involve demanding, real-time applicat...
Page 38 - The Administration Tab - Management; Router Access; UPnP
32 Chapter 5: Configuring the RouterThe Administration Tab - Management EtherFast Cable/DSL Router with 4-Port Switch The Administration Tab - Management When you click the Administration tab, you will see the Management screen. This screen allows you to change the Router’s access settings as well a...
Page 40 - The Administration Tab - Log; Log
34 Chapter 5: Configuring the RouterThe Administration Tab - Log EtherFast Cable/DSL Router with 4-Port Switch The Administration Tab - Log The Log screen provides you with a log of all incoming and outgoing URLs or IP addresses for your Internet connection. Log Log . To keep activity logs, select t...
Page 41 - The Administration Tab - Factory Defaults; Factory Defaults
35 Chapter 5: Configuring the RouterThe Administration Tab - Factory Defaults EtherFast Cable/DSL Router with 4-Port Switch The Administration Tab - Factory Defaults The Factory Defaults screen allows you to restore the Router’s configuration to its factory default settings. Factory Defaults Restore...
Page 42 - The Administration Tab - Firmware Upgrade; Upgrade Firmware
36 Chapter 5: Configuring the RouterThe Administration Tab - Firmware Upgrade EtherFast Cable/DSL Router with 4-Port Switch The Administration Tab - Firmware Upgrade The Firmware Upgrade screen allows you to upgrade the Router’s firmware. Do not upgrade the firmware unless you are experiencing probl...
Page 43 - The Status Tab - Router; Information
37 Chapter 5: Configuring the RouterThe Status Tab - Router EtherFast Cable/DSL Router with 4-Port Switch The Status Tab - Router The Router screen displays information about the Router and its current settings. The on-screen information will vary depending on the Internet Connection Type selected o...
Page 44 - The Status Tab - Local Network; Local Network
38 Chapter 5: Configuring the RouterThe Status Tab - Local Network EtherFast Cable/DSL Router with 4-Port Switch The Status Tab - Local Network The Local Network screen displays information about the local network. Local Network Local MAC Address . The MAC Address of the Router’s LAN (local area net...
Page 45 - Appendix A: Troubleshooting; For Windows 98 and Millennium:
39 Appendix A: TroubleshootingCommon Problems and Solutions EtherFast Cable/DSL Router with 4-Port Switch Appendix A: Troubleshooting 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...
Page 50 - Application
44 Appendix A: TroubleshootingCommon Problems and Solutions EtherFast Cable/DSL Router with 4-Port Switch 7. I need to set up a server behind my Router. To use a server like a web, ftp, or mail server, you need to know the respective port numbers they are using. For example, port 80 (HTTP) is used f...
Page 52 - For Microsoft Internet Explorer 5.0 or higher:
46 Appendix A: TroubleshootingCommon Problems and Solutions EtherFast Cable/DSL Router with 4-Port Switch D. Enter the Ethernet adapter’s IP address of the computer you want exposed to the Internet. This will bypass the NAT security for that computer. Please refer to “Appendix C: Finding the MAC Add...
Page 55 - Frequently Asked Questions
49 Appendix A: TroubleshootingFrequently Asked Questions EtherFast Cable/DSL Router with 4-Port Switch • If the Router is configured correctly, check your Internet connection (DSL/cable modem, etc.) to see if it is working correctly. You can remove the Router to verify a direct connection. • Manuall...
Page 59 - Appendix B: Upgrading Firmware
53 Appendix B: Upgrading Firmware EtherFast Cable/DSL Router with 4-Port Switch Appendix B: Upgrading Firmware You can use the Router’s Web-based 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, wri...
Page 60 - Windows 98 or Me Instructions; Windows 2000 or XP Instructions
54 Appendix C: Finding the MAC Address and IP Address for Your Ethernet AdapterWindows 98 or Me Instructions EtherFast Cable/DSL Router with 4-Port Switch Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter This section describes how to find the MAC address for your computer...
Page 61 - For the Router’s Web-based Utility
55 Appendix C: Finding the MAC Address and IP Address for Your Ethernet AdapterFor the Router’s Web-based Utility EtherFast Cable/DSL Router with 4-Port 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 seri...
Page 62 - Appendix D: Windows Help; Shared Resources
56 Appendix D: Windows Help EtherFast Cable/DSL Router with 4-Port 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 acc...
Page 68 - Appendix F: Specifications
62 Appendix F: Specifications EtherFast Cable/DSL Router with 4-Port Switch Appendix F: Specifications Model BEFSR41 ver. 4 Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX) Ports One 10/100 RJ-45 Port for Broadband ModemFour 10/100 RJ-45 Switched Ports Button Reset Button Cabling Type Etherne...
Page 69 - Operating Humidity
63 Appendix F: Specifications EtherFast Cable/DSL Router with 4-Port Switch Operating Humidity 10% to 85%, Non-Condensing Storage Humidity 5% to 90%, Non-Condensing
Page 70 - Appendix G: Warranty Information
64 Appendix G: Warranty Information EtherFast Cable/DSL Router with 4-Port Switch Appendix G: Warranty Information LIMITED WARRANTY Linksys warrants to You that, for a period of one year (the “Warranty Period”), your Linksys Product will be substantially free of defects in materials and workmanship ...
Page 71 - Appendix H: Regulatory Information
65 Appendix H: Regulatory Information EtherFast Cable/DSL Router with 4-Port Switch Appendix H: Regulatory Information FCC STATEMENT This product has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to prov...
Page 72 - Appendix I: Contact Information
66 Appendix I: Contact Information EtherFast Cable/DSL Router with 4-Port 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 a...