Linksys BEFSR41W Manuale utente

Instant Broadband™ Series

EtherFast®Cable/DSL

Wireless-Ready Router

with 4-Port Switch

Use this Guide to install:

BEFSR41W EtherFast Cable/DSL Wireless-Ready Router with 4-Port Switch

User Guide

mark of Linksys. Microsoft, Windows, and the Windows logo are registered trademarks

of Microsoft Corporation. All other trademarks and brand names are the property of their

respective proprietors.

LIMITED WARRANTY

Linksys guarantees that every Instant Broadband EtherFast®Cable/DSL Wireless-Ready

Router with 4-Port Switch will be free from physical defects in material and workmanship

for one year from the date of purchase, when used within the limits set forth in the

Specifications chapter of this User Guide. If the product proves defective during this war-

ranty period, call Linksys Technical Support in order to obtain a Return Authorization

Number. BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM

THE PRODUCT'S PACKAGING ON HAND WHEN CALLING. RETURN REQUESTS CAN-

NOT BE PROCESSED WITHOUT PROOF OF PURCHASE. When returning a product,

mark the Return Authorization Number clearly on the outside of the package and include

a copy of your original proof of purchase. All customers located outside of the United

States of America and Canada shall be held responsible for shipping and handling

charges.

IN NO EVENT SHALL LINKSYS’ LIABILITY EXCEED THE PRICE PAID FOR THE PROD-

UCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAM-

AGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFT-

WARE, OR ITS DOCUMENTATION. LINKSYS OFFERS NO REFUNDS FOR ITS PROD-

UCTS. Linksys makes no warranty or representation, expressed, implied, or statutory,

with respect to its products or the contents or use of this documentation and all accom-

panying software, and specifically disclaims its quality, performance, merchantability, or

fitness for any particular purpose. Linksys reserves the right to revise or update its prod-

ucts, software, or documentation without obligation to notify any individual or entity.

Please direct all inquiries to:

Linksys P.O. Box 18558, Irvine, CA 92623.

FCC STATEMENT

The Instant Broadband EtherFast®Cable/DSL Wireless-Ready Router with 4-Port Switch

has been tested and found to comply with the limits for a Class B digital device, pursuant

to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This equipment generates, uses,

and can radiate radio frequency energy and, if not installed and used according to the

instructions, may cause harmful interference to radio communications. However, there is

no guarantee that interference will not occur in a particular installation. If this equipment

does cause harmful interference to radio or television reception, which is found by turn-

ing the equipment off and on, the user is encouraged to try to correct the interference by

one or more of the following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment or devices

• Connect the equipment to an outlet other than the receiver’s

• Consult a dealer or an experienced radio/TV technician for assistance

UG-BEFSR41W-051402B BW

Log 30

Help 31

UPnP 32

Filters 33

Port Forwarding 35

Dynamic Routing 39

Static Routing 40

DMZ Host 41

MAC Address Cloning 43

Appendix A: Troubleshooting 44

Common Problems and Solutions 45

Frequently Asked Questions 46

Appendix B: How to Obtain Your ISP’s E-mail

& Web Addresses 50

Appendix C: Installing the TCP/IP Protocol 53

Appendix D: Twisted-Pair Cabling 55

Crimping Your Own Network Cables 56

Appendix E: Glossary 57

Appendix F: Specifications 63

Environmental 64

Appendix G: Warranty Information 65

Appendix H: Contact Information 66

Table of Contents

Chapter 1: Introduction 1

Linksys Cable/DSL Wireless-Ready Router 1

Features 1

Package Contents 2

Minimum Requirements 2

Chapter 2: Getting to Know the Cable/DSL

Wireless-Ready Router 3

The Cable/DSL Wireless-Ready Router’s Rear Panel 3

The Wireless PC Card (not included) 4

The Reset Button 4

The Cable/DSL Wireless-Ready Router’s Front Panel LEDs 5

Chapter 3: Connecting the Cable/DSL

Wireless-Ready Router to Your Network 7

Overview 7

About Static & Dynamic IP Addresses 7

Connecting Your Hardware Together & Booting Up 8

Configuring Your PCs to Connect to the

Cable/DSL Wireless-Ready Router 10

Chapter 4: Adding Wireless Capabilities to

Your Router 12

Chapter 5: Configuring Your Network with the

Cable/DSL Wireless-Ready Router 16

Configuring the Cable/DSL Wireless-Ready Router 16

Chapter 6: The Cable/DSL Wireless-Ready

Router’s Web-based Utility 20

Quick and Easy Administration 20

Setup 21

Setting WEP Encryption 24

Password 26

Status 27

DHCP 29

Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

Chapter 1: Introduction

The Linksys Cable/DSL Wireless-Ready Router

Congratulations on your purchase of an EtherFast®Cable/DSL Wireless-Ready

Router with 4-Port Switch. The EtherFast®Cable/DSL Wireless-Ready Router with

4-Port Switch provides the ideal solution for connecting your network to a high-

speed broadband Internet connection and a 10/100 Fast Ethernet backbone, with the

option to add wireless capabilities. Configurable as a DHCP server for your exist-

ing network, the Router acts as the only externally recognized Internet gateway on

your local area network (LAN) and serves as an Internet NAT firewall against

unwanted outside intruders. Plus, the Router functions as anAccess Point when you

add a Wireless Network PC card (not included) to enable wireless connectivity.

A typical router relies on a separate hub or a switch to share its Internet connection,

but the Linksys EtherFast®Cable/DSL Wireless-Ready Router with 4-Port Switch

channels this connection through the blazing, full duplex speed of its built-in

EtherFast®10/100 4-Port Switch. This cutting-edge combination of wireless-ready

router and switch technology eliminates the need to buy an additional hub or

switch—just add a Wireless Network PC card to connect the router to your wireless

network. Now your entire wireless network can enjoy blazing broadband Internet

connections supported by its robust switched backbone. With the dual-function

speed and power of the EtherFast® Cable/DSL Wireless-Ready Router with 4-Port

Switch, your network will take off at speeds faster than you ever imagined possible.

• Expandable to Support Wireless Networking

• Compatible with Universal Plug and Play (UPnP)

• MAC Address Filtering

• Configurable throughYour Networked PC’s Web Browser

• Supports IPSec and PPTP Pass-Through

• Internal 4-Port Switch Dramatically Speeds UpYour Gaming

• Able to Act as a DHCP Server for Your Existing Network

• Wireless Capabilities Available with Use of Optional WPC11 (sold separately)

••Connects to a Broadband Modem, a 10/100 Ethernet Backbone, or a

Wireless Network

••Interoperable with IEEE 802.11b (DSSS) 2.4GHz-Compliant Equipment

••Provides Roaming, Best Access Point Selection, Load Balancing, and

Network Traffic Filtering

••Long Operating Range Supports up to 91m (Indoors) and up to 457m

(Outdoors)

••Capable of up to 128-Bit WEP Encryption

• Free Technical Support—24 Hours a Day, 7 Days a Week,Toll-Free US Calls

• 1-Year Limited Warranty

Features

EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

Chapter 2: Getting to Know the

Cable/DSL Wireless-Ready Router

The Cable/DSL Wireless-Ready Router’s Rear Panel

The back panel of the Router is where all of the Router’s connections are made.

WAN The WAN (Wide Area Network) Port is where you

will connect your cable or DSL modem.

Ports 1-4 These four LAN (Local Area Network) ports are

where you will connect networked devices, such as

PCs, print servers, and any other Ethernet devices

you want to put on your network. These ports will

auto-detect the use of crossover or straight RJ-45

cables.

Power The Power Port is where you will connect the

included AC Power adapter.

PCMCIA Slot This is where you can connect the optional wireless

PC card (not included) for wireless features.

Figure 2-1

Package Contents

• One Linksys EtherFast®Cable/DSL Wireless-Ready Router with 4-Port

Switch (1)

• One Power Adapter (2)

• One TechHelper CD-ROM (3)

• One User Guide (4)

• Quick Installation (not shown)

• One Registration Card (not shown)

Minimum Requirements

• Network Adapter with Ethernet (UTP CAT 5) Cabling and TCP/IP Protocol

Installed per PC

• Internet Explorer 4.0 or Netscape Navigator 4.7 or Higher for Web-Based

Configuration

• Cable or DSL Modem with Ethernet Connection and Internet Access

• CD-ROM Drive

• WPC11 for Wireless Connection (sold separately)

Figure 1-1

Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

The Cable/DSL Wireless-Ready Router’s Front Panel LEDs

Diag Red. The Diag LED illuminates when the Router goes

through its self-diagnosis mode during boot-up and restart. It

will turn off upon successful completion of the diagnosis. If

this LED stays on for an abnormally long period of time,

refer to the Troubleshooting section. During firmware

upgrades, this will also flash.

Power Green. The Power LED illuminates when the Router is pow-

ered on.

Full/Col Green. The Full/Col LED also serves two purposes. If this

LED is continuously illuminated, the connection made

through the corresponding port is successfully running in

Full Duplex mode. If the LED is flickering, the connection is

experiencing collisions. Infrequent collisions are normal. If

this LED is flickering too often, there may be a problem with

your connection. Check the Troubleshooting section if you

think there is a problem.

Link/Act Green. The Link/Act LED serves two purposes. If the LED

is continuously illuminated, the Router is successfully con-

nected to a device through the corresponding port (1, 2, 3 or

4). If the LED is flickering, the Router is actively sending or

receiving data over that port.

100 Orange. The 100 LED illuminates when a successful

100Mbps connection is made through the corresponding

port.

Figure 2-3

The Wireless PC Card (not included)

To add wireless capabilities, a WPC11 (sold separately) is required.

Power off the Router. Insert the WPC11 in the manner shown above

in the warning label. Push the WPC11 into the BEFSR41W until it

is securely held in place by the PCMCIA Slot.

The Reset Button

To use the Reset button:

Unplug the power adapter from the Router. Then, plug the power

adapter back into the Router. Press the Reset button. The Diag LED will flash

after three seconds.

To restore the factory default settings, Unplug the power adapter from the

Router. Press the Reset button and hold for three seconds while plugging the

power adapter back into the Router.

Figure 2-2

Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

The Wireless-PC Card

The Reset Button

Chapter 3: Connecting the

Cable/DSL Wireless-Ready

Router to Your Network

Overview

Unlike a simple hub or switch, the setup of the Cable/DSL Wireless-Ready

Router consists of more than simply plugging everything together. Because the

Router acts as a DHCP server, you will have to set some values within the

Router, and also configure your networked PCs to accept the IP Addresses the

Router chooses to assign them.

You will need the following values from your ISP in order to install the

Cable/DSL Wireless-Ready Router:

• PPPoE with username and password (for some DSL users)

• Your broadband-configured PC’s static Internet IP Address (if applicable)

• Your broadband-configured PC’s Computer Name and Workgroup Name

• Your Subnet Mask

• Your Default Gateway

• Your Primary DNS IP address

If your broadband access installer did not leave you this information, call your

ISP and they will be able to supply you with it.

About Static & Dynamic IP Addresses

Static IP Addresses A static IP address is an IP address permanently assigned

to a computer in a TCP/IP network. Static IP addresses are usually assigned to

networked devices that are consistently accessed by multiple users, such as

server PCs, or a print server. If you are using your Router to share your cable

or DSL Internet connection, contact your ISP to see if they have assigned your

home a static IP address. You will need that address during your Router’s con-

figuration.

About Static & Dynamic IP Addresses

EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

WLAN Green. The WLAN LED illuminates when a wireless net-

work is active.

WAN Green. The WAN LED illuminates when a successful con-

nection is made between the Router and your Broadband

device or network. When blinking, the Router is sending or

receiving data over the broadband port.

Instant BroadbandTM Series

6. To use the Reset button: While holding down the Reset button, unplug the

power adapter from the Router. Wait three seconds while continuing to hold

down the Reset button. Then plug the power adapter back into the Router.

The Diag LED will flash twice. During the second flash, release the Reset

button. This will restore all the defaults.

7. Power on your PC.

The Hardware Installation is complete. Continue to the next page to con-

figure your PCs and Router.

NNoottee::Some ISPs—most notably some cable providers—configure

their networks so that you do not have to enter a full Internet

address into your web browser or e-mail application to reach your

home page or receive your e-mail. If your Internet home page

address is something very simple, such as “www”, rather than

“www.linksys.com”, or your e-mail server’s address is something similar to “e-

mail” or “pop3”, rather than “pop.mail.linksys.com”, you won’t be able to prop-

erly configure your Router until you determine the actual Internet addresses of

your Web and e-mail connections.

You mmuussttobtain this information prior to connecting the Router to your network.

You can obtain this information by contacting your ISP, or you can turn to the

section of the Appendix on HHoowwttooOObbttaaiinnYYoouurrIISSPP’’ssEE-mmaaiill&&WWeebbAAddddrreesssseess..

EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

Dynamic IP Addresses A dynamic IP address is an IP address that is automati-

cally assigned to a client station (computer, printer, etc.) in a TCP/IP network.

Dynamic IP addresses are typically assigned by a DHCP server, which can be

a computer on the network or another piece of hardware, such as the Router. A

dynamic IP address might change every time your computer connects to the

network.

DHCP (Dynamic Host Configuration Protocol) DHCP is software that automati-

cally assigns IP addresses to client stations logging on to a TCP/IP network.

DHCP eliminates having to manually assign permanent IP addresses to every

device on your network. DHCP software typically runs in servers and is also

found in network devices such as Routers.

Connecting Your Hardware Together and Booting Up

Once you are sure that you have the above values on hand, you can begin the

installation and setup of your Cable/DSL Wireless-Ready Router.

1. Power everything down, including your PCs, your Cable or DSL modem and

the Router.

2. Connect a Network cable from one of your PCs’ Ethernet ports to one of the

LAN Ports on the back of the Router. Do the same with all the PCs you wish

to connect to the Router.

3. Connect the network cable from your Cable or DSL modem to the WAN port

on the back of the Router.

4. Connect the power-adapter cable to the Power port on the back of the Router,

then plug the other end into a power outlet.

• The Power LED will illuminate green as soon as the power adapter is

connected.

• The Diag LED will illuminate red for a few seconds while the Router

goes through its internal diagnostic test. The LED will turn off when the

self-test is complete.

5. Power on the Cable or DSL modem. Verify that the power is on by checking

the WAN LED on the front of the Router. The Link LED will illuminate if

the power is on and the modem is ready.

Instant BroadbandTM Series

4. Click the Properties button, and then choose the IP Address tab. Select

Obtain an IP address automatically. (See Figure 3-2.) Click on the

Gateway tab and make sure that all fields there are empty. Click OK.

5.The Network Properties window will reappear. Click OK. All client settings

are complete. Windows may ask for original Windows installation files,

which can be found on your Windows CD-ROM (i.e.: D:\win98, D:\win95,

D:\ win9x - where “D” is the letter of your CD-ROM drive) or possibly on

your hard drive (c:\windows\options\cabs.)

6. Windows will ask you to restart your PC. Click Yes.

Repeat steps 1-6 for each PC on your network.When all PCs are config-

ured, continue on to set up the Router using the Router’s Web-based

Utility.

Figure 3-2

EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

Now that your Router is physically installed, you will have to configure your

PCs to accept the IP addresses that your Router will provide. If using the

default Windows TCP/IP network configuration, no changes are required; just

restart your PC so it will obtain an IP address from the Cable/DSL Wireless-

Ready Router.

1. Click the Start button, select Settings, then Control Panel.

2. Double-click the Network icon.

3. In the Configuration window, select the TCP/IP protocol line that has been

associated with your network card/adapter. (See Figure 3-1.)

These instructions apply only to Windows 95, 98 and Millennium

machines. For TCP/IP setup under Windows NT, Windows 2000,

or Windows XP, please refer to your Microsoft Windows docu-

mentation.

Configuring Your PCs to Connect to the Cable/DSL

Wireless-Ready Router

NNoottee::

If the

TCP/IP protocol

is not config-

ured on your

PC, go to the

Appendix for

TCP/IP installa-

tion instructions

now.

Figure 3-1

Instant BroadbandTM Series

3. Configure the wireless functions of the web utility using the following

instructions. (Refer to Chapter 6 for more information.)

A. Access the web utility by opening your web browser and typing

http://192.168.1.1 in the browser’s Address box. (This number is the

default IP address of your Router.) Press Enter. (See Figure 4-2.)

B. After entering the address into the web browser, a password request

page will pop up. (See Figure 4-3.) Leave the User Name field empty,

but type admin into the Password field.

C. The basic Setup screen is the first screen you will see when you access the

utility, but is the only one you need to set up your Wireless PC Card.

(See Figure 4-4.) If you have already installed and set up your router, you

have already seen this screen and have already properly configured all of

the screen’s values. More detailed explanations and instructions can be

found by clicking the page’s Help button. To clear any values you’ve

entered, click Cancel and re-enter the information. To apply any set-

tings that you have changed, click the Apply button. Once all settings

are correct, click Continue.

Setup

Figure 4-2

Figure 4-3

EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch

Chapter 4: Adding Wireless

Capabilities to Your Router

Now that your Cable/DSL Wireless-Ready Router is wired into your network,

you can make your Router wireless. You can also wait until a later time. You

will need a WPC11 Wireless PC Card (sold separately.)

1. Power off the Router.

2. Locate the PCMCIA slot on the back of the Router. Insert the Wireless PC

Card into the PCMCIA slot in the direction shown in Figure 4-1. It is very

important to install it with the LEDs facing up and in the correct direction

or damage to the Router can occur. Push the Wireless PC Card into the slot

until it is securely in place.

Make sure to insert the WPC11 Wireless PC Card in the direction

shown in the warning label below.

Figure 4-1

Instant BroadbandTM Series

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