Linksys BEFW11S4-AT Manuel utilisateur

Instant Wireless™ Series

Wireless Access Point

Router with 4-Port Switch

Use this Guide to install: BEFW11S4-AT

User Guide

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 Wireless™ Wireless Access Point Router with 4-Port

Switch is 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 section of this

User Guide. If the product proves defective during this warranty period, call Linksys

Technical Support in order to obtain a Return Authorization number. BE SURE TO HAVE

YOUR PROOF OF PURCHASE ON HAND WHEN CALLING. 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. RETURN REQUESTS CANNOT BE

PROCESSED WITHOUT PROOF OF PURCHASE. All customers located outside of the

United States of America and Canada shall be held responsible for shipping and han-

dling 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 Wireless™ Wireless Access Point Router with 4-Port Switch has been tested

and complies 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 inter-

ference 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 harm-

ful interference to radio or television reception, which is found by turning 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-BEFW11S4-AT-062702NC BW

Wireless Access Point Router with 4-Port Switch

Chapter 1: Introduction

Congratulations on your purchase of a Wireless Access Point Router with 4-

Port Switch. The Wireless Access Point Router with 4-Port Switch provides the

ideal solution for connecting your wireless network to a high-speed broadband

Internet connection and a 10/100 Fast Ethernet backbone.

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

the Linksys WirelessAccess Point Router with 4-Port Switch channels this con-

nection through the blazing, full duplex speed of its built-in EtherFast®10/100

4-Port Switch. This cutting-edge combination of wireless router and switch

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

the range of 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 Wireless Access

Point Router with 4-Port Switch, your network will take off at speeds faster

than you ever imagined possible.

The Router allows you set up a local network with your PCs and connect to the

Internet using the global IP addresses from the AT&T Broadband network. You

can also share files and printers securely on your local network. The Router

also acts as an Access Point for a local wireless network, so when you add a

Linksys Wireless PC Card to your PC, you can wirelessly connect to the

Router.

• Capable of up to 128-bit WEP Encryption

• Includes one Ethernet Cable to Connect to a Cable Modem

Features

The Linksys Wireless Access Point Router with 4-Port Switch

Instant WirelessTM Series

Table of Contents

Chapter 1: Introduction 1

The Linksys Wireless Access Point Router with 4-Port Switch 1

Features 1

Package Contents 2

Minimum Requirements 2

An Introduction to LANs and WANs 2

IP Addresses 3

The Wireless Access Point Router’s Ports 5

The Wireless Access Point Router’s LEDs 6

Chapter 2: Connecting the Router 8

Before You Start 8

Connecting Your Hardware Together & Booting Up 8

Chapter 3: Configuring the PCs 11

Overview 11

Configuring Windows 98SE and Millennium PCs 11

Configuring Windows 2000 PCs 13

Configuring Windows XP PCs 15

Chapter 4: Configuring the Router for Wireless 17

Chapter 5: Using the Router’s Web-Based Utility 20

Setup 21

Password 23

Status 24

Appendix A: Troubleshooting 25

Common Problems and Solutions 25

Frequently Asked Questions 27

Appendix B: Configuring Wireless Security 30

Configuring Wireless Security in Windows XP 33

Appendix C: Glossary 38

Appendix D: Specifications 52

Environmental 53

Appendix E: Warranty Information 54

Appendix F: Contact Information 55

Think of the Router as a network device with two sides. The first side is made

up of your private LocalArea Network (LAN) of PCs. The other side, the pub-

lic side, is the Internet, or the Wide Area Network (WAN), outside of your

home or office.

What’s an IP Address?

IP stands for Internet Protocol. Every device on an IP-based network, includ-

ing PCs, print servers, and routers, requires an IP address to identify its “loca-

tion,” or address, on the network. This applies to both the WAN and LAN con-

nections.

IP Addresses

• One Wireless Access Point Router with 4-Port Switch

• One Setup Wizard CD-ROM with User Guide

• One Power Adapter

• One CAT 5 UTP Cable

• One Quick Installation and One Registration Card (not shown)

• NetworkAdapter with Ethernet (UTP CAT 5) Cabling andTCP/IP Protocol

Installed per PC

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

configuration

• Cable Modem with Ethernet Connection and Internet Access

• Windows 98SE, Me, 2000, and XP for the Setup Wizard

• CD-ROM Drive

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

or office, to the WideArea Network (WAN), which is the Internet. The Router

processes and regulates the data that travels between these two networks.

Package Contents

Minimum Requirements

Figure 1-1

An Introduction to LANs and WANs

Wireless Access Point Router with 4-Port Switch

Instant WirelessTM Series

The Router’s back panel (as shown in Figure 1-2) is where all of its connections

are made.

WAN The WAN (Wide Area Network) Port is where you will con-

nect your cable modem with an Ethernet cable. Your modem

connection will not work from any other port.

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 net-

work. If Port 4 is being used, the Uplink Port will not work.

Uplink The Uplink Port is where you can expand your network by

connecting to another switch or hub. Uplinking to another

switch or a hub is done by simply running a cable from the

Uplink Port to the other device. The Uplink Port is shared

with Port 4. If the Uplink port is being used, Port 4 will not

work.

Power The Power Port is where you will connect the included AC

Power adapter.

Antenna Jacks The Antenna Jacks are where the included antennas are con-

nected.

Figure 1-2

The Wireless Access Point Router’s Ports

Dynamic IP Addresses

A dynamic IP address is automatically assigned to a device on the network,

such as PCs and print servers. These IP addresses are called “dynamic”

because they are only temporarily assigned to the PC or device. After a certain

time period, they expire and may change. If a PC logs on to the network (or the

Internet) and its dynamic IP address has expired, the DHCP server will assign

it a new dynamic IP address.

DHCP (Dynamic Host Configuration Protocol) Servers

DHCP frees you from having to assign IP addresses manually every time a new

user is added to your network. PCs and other network devices using dynamic

IP addressing are assigned a new IP address by a DHCP server. The PC or net-

work device obtaining an IP address is called the DHCP client. The Router’s

WAN port is, by default, set as a DHCP client.

Wireless Access Point Router with 4-Port Switch

Instant WirelessTM Series

Full/Col Green. This LED also serves two purposes. When this LED

is lit continuously, the connection made through the corre-

sponding port is running in Full Duplex mode. A blinking

LED indicates that the connection is experiencing collisions.

Infrequent collisions are normal. If this LED blinks too

often, there may be a problem with your connection. Refer to

the Troubleshooting Appendix if you think there is a prob-

lem.

100 Orange. This LED indicates when a successful 100Mbps

connection is made through the corresponding port.

The WAN Indicators

Link Green. This LED indicates a connection between the Router

and your broadband device or network.

Act Green. This LED blinks when the Router is sending or

receiving data over the broadband (WAN) port.

Diag Red. This LED indicates the Router’s self-diagnosis mode

during boot-up and restart. It will turn off upon completing

the diagnosis. If this LED stays on for an abnormally long

period of time, refer to the Appendix A:Troubleshooting.

The LAN Indicators

WLANAct Green. This LED indicates wireless activity.

WLAN Link Green. This LED indicates that the Router’s wireless func-

tions have been enabled through the Web-based utility.

Power Green. This LED indicates that the Router’s power is on.

Link/Act Green. This LED serves two purposes. When this LED is lit

continuously, this indicates that the Router is connected to a

device through the corresponding port (1, 2, 3, or 4). A blink-

ing LED indicates that the Router is actively sending or

receiving data over that port. When the Uplink Port is in use,

the LED for Port 4 will be lit continuously.

The Wireless Access Point Router’s LEDs

TThheeRReesseettBBuuttttoonn

Pressing the Reset Button and holding it in for a few seconds will clear all

of the Router’s data and restore the factory defaults. This should be done

only if you are experiencing heavy routing problems, and only after you

have exhausted all of the other troubleshooting options. By resetting the

Router, you run the risk of creating conflicts between your PCs’ actual IP

Addresses and what the Router thinks their IP Addresses should be. You

may be forced to reboot each network PC.

If the Router locks up, simply press the reset button or power it down for

three to five seconds by removing the power cable from the Router’s

Power Port. Leaving the power off for too long could result in the loss of

network connections.

Figure 1-3

Wireless Access Point Router with 4-Port Switch

Instant WirelessTM Series

3. Connect an Ethernet cable from one of your PC’s Ethernet ports to one of the

Router’s LAN ports (as shown in Figure 2-2). Do the same with all the PCs

you want to connect to the Router. (LAN Port 4 will become inactive if you

use the Uplink port.)

In addition to accessing the Router through

an Ethernet connection, a wireless connec-

tion can be used to access the Router. See

the “For Wireless Connections” section

that follows these connection instructions.

4. Connect the Power Adapter (included) to

the Router’s Power port (as shown in

Figure 2-3) and plug the other end into a

power outlet.

• The Power LED will illuminate green

as soon as the power adapter is con-

nected.

• 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 modem. Verify that the

power is on by checking the Link LED in the WAN column on the front of

the Router. The Link LED will be illuminated if the power is on and the

modem is ready.

6. Press the Reset button on the back of the Router. Hold the button in for three

seconds, or until the Diag LED illuminates red. This restores the Router’s

default settings.

7. Power on your PC.

The Router is now connected. Continue to the next chapter to configure

your PCs.

Figure 2-2

Figure 2-3

Chapter 2: Connecting the Router

Before plugging everything together, it’s always a good idea to have everything

you’ll need to get the Router up and running.

1. Power everything down, including your PCs, your cable modem and the

Router.

2. Connect an Ethernet cable from your cable modem to the Router’s WAN port

(as shown in Figure 2-1).

Before You Start

Connecting Your Hardware Together and Booting Up

Figure 2-1

Wireless Access Point Router with 4-Port Switch

Instant WirelessTM Series

Chapter 3: Configuring the PCs

You will need to know which operating system your computer is running, such

as Windows 98SE, Millennium, 2000, or XP. You can find out by clicking the

Start button and then selecting the Settings option. (If your Start menu does-

n’t have a Settings option, you’re running Windows XP. You can select the

Control Panel directly from the Start Menu.) Then, click Control Panel and

double-click the System icon. Click the Cancel button when done.

Once you know which Windows operating system you are running, follow the

directions in this step for your computer’s operating system. If your PC is not

configured with the TCP/IP protocol, you will need to do this for each com-

puter you are connecting to the Router.

The next few pages tell you, step by step, how to configure your TCP/IP set-

tings based on the type of Windows operating system you are using. Once

you've configured your computers, continue to Chapter 4: Configuring the

Router for Wireless.

1. Click the Start button, click Settings and open the Control Panel. From

there, double-click the Network icon to open the Network screen.

Overview

Configuring Windows 98SE and Millennium PCs

For Wireless Connections: In addition to accessing the Router through an

Ethernet connection, a wireless connection can be used to access the Router.

After powering on the Router and connecting it to your modem, enter the

Router’s IP Address in the Address field of your wireless PC’s web-browser as

follows: http://192.168.1.1 and press Enter.

IImmppoorrttaanntt::

The Wireless Access Point Router with 4-Port Switch is

configured by default to work out of the box with all Linksys Wireless

Adapters. If you have changed the defaults on your Linksys Wireless

Adapters, or are using other wireless adapters, you must temporar-

ily change your wireless adapter settings to: (SSID = linksys) in

order to initially access the Router wirelessly. After you have

accessed the Router with the default settings, you can change the

router settings to coincide with your Network settings and reset your

adapters.

1110

Wireless Access Point Router with 4-Port Switch

Instant WirelessTM Series

NNoottee::This section is only necessary if your ISP has not already set

up your TCP/IP protocol or if your PC has not been previously con-

nected to the Cable Modem service.

5. Click the DNS Configuration tab,

then select Disable DNS (See Figure

3-3.) Click on OK.

6. Click the OK button again.

Windows may ask you for the origi-

nal Windows installation disk or

additional files. Supply them by

pointing to the correct file location,

e.g., D:\win98, D:\win9x, c:\win-

dows\options\cabs, etc. (This

assumes that “D” is the letter of your

CD-ROM drive).

7. If Windows asks you to restart your PC,

click the Yes button. If Windows does

not ask you to restart, restart your computer anyway.

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

configured, proceed to Chapter 4: Configuring the Router.

1. Click the Start button, click Settings

and open the Control Panel. From

there, double-click the Network and

Dial-up Connections icon. This will

display the Network screen.

2. Select the Local Area Connection

icon for the applicable Ethernet

adapter (usually it is the first Local

Area Connection listed). Double-click

Local Area Connection and click the

Properties button. (See Figure 3-4.)

3. When the Local Area Connection Status screen appears, click the

Properties button.

Configuring Windows 2000 PCs

Figure 3-4

Instant WirelessTM Series

2. Select the Configuration tab

and highlight the TCP/IP

line for the applicable

Ethernet adapter (as shown

in Figure 3-1). If the word

TCP/IP appears by itself,

select that line. (Note: If

there is no TCP/IP line list-

ed, refer to your Ethernet

adapter’s documentation to

install TCP/IP now.) Then,

click the Properties button.

3. Click the IP Address tab

and select Obtain an IP

address automatically (as

shown in figure 3-2).

4. Click the Gateway tab and verify that the Installed Gateway field is blank.

Click the OK button.

Figure 3-1

Figure 3-2

Wireless Access Point Router with 4-Port Switch

1312

Figure 3-3

The following instructions assume you are running Windows XP’s default

interface. If you are using the Classic interface (where the icons and menus

look like previous Windows versions), please follow the instructions for

Windows 2000.

1. Click the Start button, open the Control Panel. and click the Network and

Internet Connections icon. Then, click the Network Connections icon to

display the Network screen.

2. Select the Local Area

Connection icon for

the applicable Ethernet

adapter (usually it is

the first Local Area

Connection listed).

Double-click Local

Area Connection and

click the Properties

button. (See Figure 3-

7.)

3. When the Local Area Connection Status screen appears, click the

Properties button.

Configuring Windows XP PCs

Figure 3-7

Instant WirelessTM Series

4. Select Internet Protocol

(TCP/IP) (as shown in

Figure 3-5) and click the

Properties button.

5. Select Obtain an IP

address automatically

and verify that Obtain

DNS server address

automatically is selected

(as shown in Figure 3-6).

Then, click the OK but-

ton and click the OK but-

ton on the subsequent

screens to complete the

PC’s configuration.

Repeat steps 1-5 for each PC on your network. When all of your PCs are

configured, proceed to Chapter 4: Configuring the Router.

Figure 3-5

Figure 3-6

Wireless Access Point Router with 4-Port Switch

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