Cisco Linksys WAP55AG Manuel utilisateur

A Division of Cisco Systems, Inc.

Model No.

Access Point

WAP55AG ver. 2

User Guide

WIRELESS

Wireless A+G

Dual-Band

GHz

2.4

802.11g

802.11a

Dual-Band

Dual-Band Wireless A + G Access Point

Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco

rights reserved. Other brands and product names are trademarks or registered trademarks of their respective

holders.

How to Use this Guide

Your guide to the Dual-Band Wireless A + G Access Point has been designed to make understanding networking

with the Access Point easier than ever. Look for the following items when reading this guide:

In addition to these symbols, there are definitions for technical terms that are presented like this:

Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like

this:

Figure numbers and descriptions can also be found in the "List of Figures" section in the “Table of Contents”.

This exclamation point means there is a Caution or

warning and is something that could damage your

property or the Access Point.

word: definition.

This checkmark means there is a Note of interest and

is something you should pay special attention to while

using the Access Point.

This question mark provides you with a reminder about

something you might need to do while using the Access Point.

Figure 0-1: Sample Figure Description

WAP55AG-V2-UG-41223NC BW

Dual-Band Wireless A + G Access Point

Table of Contents

Chapter 1: Introduction 1

Welcome 1

What’s in this Guide? 2

Chapter 2: Planning your Wireless Network 4

Network Topology 4

Roaming 4

Network Layout 5

Chapter 3: Getting to Know the Dual-Band Wireless A + G Access Point 6

The Back Panel 6

The Front Panel 7

Chapter 4: Connecting the Dual-Band Wireless A + G Access Point 8

Hardware Installation 8

Chapter 5: Setting Up the Dual-Band Wireless A + G Access Point 9

Setup Wizard 9

Chapter 6: Configuring the Dual-Band Wireless A + G Access Point 17

Overview 17

Navigating the Utility 17

Accessing the Utility 19

The Setup Tab 19

The Wireless Tab 20

The Wireless Tab - Basic Wireless Settings 20

The Wireless Tab - Wireless Security 22

The Wireless Tab - Wireless MAC Filter 24

The Wireless Tab - Advanced Wireless Settings 25

The Administration Tab - Password 28

The Administration Tab - Log 28

The Administration Tab - Factory Defaults 29

The Administration Tab - Firmware Upgrade 29

The Status Tab - Local Network 30

The Status Tab - Wireless 31

Appendix A: Troubleshooting 32

Frequently Asked Questions 32

Dual-Band Wireless A + G Access Point

Appendix B: Wireless Security 36

Security Precautions 36

Security Threats Facing Wireless Networks 36

Appendix C: Upgrading Firmware 39

Appendix D: Windows Help 40

Appendix E: Glossary 41

Appendix F: Specifications 45

Appendix G: Warranty Information 46

Appendix H: Regulatory Information 47

Appendix I: Contact Information 49

Dual-Band Wireless A + G Access Point

List of Figures

Figure 3-1: The Access Point’s Back Panel 6

Figure 3-2: Front Panel 7

Figure 5-1: The Setup Wizard’s Welcome Screen 9

Figure 5-2: Connect to the Router 9

Figure 5-3: Connect to the Ethernet Port 10

Figure 5-4: Connect to the Power 10

Figure 5-5: Check the LEDs 10

Figure 5-6: Select the Access Point 11

Figure 5-7: Enter the Password 11

Figure 5-8: Basic Settings 12

Figure 5-9: Wireless-A Settings 12

Figure 5-10: Wireless-A Security - WEP 13

Figure 5-11: Wireless-A Security - PSK 13

Figure 5-12: Wireless-G Settings 14

Figure 5-13: Wireless-G Security - WEP 14

Figure 5-14: Wireless-G Security - PSK 15

Figure 5-15: Confirm New Settings 15

Figure 5-16: Congratulations 16

Figure 6-1: Automatic Configuration - DHCP 19

Figure 6-2: Static IP Address 19

Figure 6-3: Basic Wireless Settings 20

Figure 6-4: WEP 22

Figure 6-5: Pre-Shared Key 22

Figure 6-6: Pre-Shared Key + Radius 23

Figure 6-7: Wireless MAC Filter 24

Figure 6-8: Wireless Client List 24

Figure 6-9: Advanced Wireless 25

Figure 6-10: Password 28

Dual-Band Wireless A + G Access Point

Figure 6-11: Log 28

Figure 6-12: Factory Defaults 29

Figure 6-13: Firmware Upgrade 29

Figure 6-14: Status - Local Network 30

Figure 6-15: Status - Wireless Network 30

Figure C-1: Upgrade Firmware 39

Chapter 1: Introduction

Welcome

Dual-Band Wireless A + G Access Point

Chapter 1: Introduction

Welcome

Thank you for choosing the Dual-Band Wireless A + G Access Point. This Access Point will allow you to network

wirelessly better than ever.

How does the Access Point do all of this? An access point allows for greater range and mobility within your

wireless network while also allowing you to connect the wireless network to a wired environment. Being a dual-

band access point, not only does the Access Point bring you these benefits, it also allows three wireless

standards, 802.11a, 802.11b and 802.11g, to communicate with each other. This means that PCs with different

wireless standards can communicate with each other and with a wired network.

But what does all of this mean?

Networks are useful tools for sharing computer resources. You can access one printer from different computers

and access data located on another computer's hard drive. Networks are even used for playing multiplayer video

games. So, networks are not only useful in homes and offices, they can also be fun.

PCs on a wired network create a LAN, or Local Area Network. They are connected with Ethernet cables, which is

why the network is called "wired".

PCs equipped with wireless cards and adapters can communicate without cumbersome cables. By sharing the

same wireless settings, within their transmission radius, they form a wireless network. This is sometimes called

a WLAN, or Wired Local Area Network. The Access Point bridges wireless networks of both 802.11g and 802.11b

standards and wired networks.

Use the instructions in this Guide to help you connect the Access Point, set it up, and configure it to bridge your

different networks. These instructions should be all you need to get the most out of the Access Point.

802.11b: a wireless networking standard that specifies

a maximum data transfer rate of 11Mbps and an

operating frequency of 2.4GHz.

802.11g: a wireless networking standard that

specifies a maximum data transfer rate of

54Mbps, an operating frequency of 2.4GHz, and

backward compatibility with 802.11b devices.

adapter: a device that adds network functionality to your PC

ethernet: network protocol that specifies how data is placed

on and retrieved from a common transmission medium

lan (local area network): the computers and networking

products that make up your local network

network: a series of computers or devices

connected together

802.11a: an IEEE wireless networking standard

that specifies a maximum data transfer rate of

54Mbps and an operating frequency of 5GHz.

Chapter 1: Introduction

What’s in this Guide?

Dual-Band Wireless A + G Access Point

What’s in this Guide?

This user guide covers the steps for setting up and using the Dual-Band Wireless A + G Access Point.

• Chapter 1: Introduction

This chapter describes the Dual-Band Wireless A + G Access Point’s applications and this User Guide.

• Chapter 2: Planning your Wireless Network

This chapter describes the basics of wireless networking.

• Chapter 3: Getting to Know the Dual-Band Wireless A + G Access Point

This chapter describes the physical features of the Access Point.

• Chapter 4: Connecting the Dual-Band Wireless A + G Access Point

This chapter instructs you on how to connect the Access Point to your network.

• Chapter 5: Setting Up the Dual-Band Wireless A + G Access Point

This chapter explains how to use the Web-Based Utility to configure the settings on the Access Point and how

to install the setup on the Access Point for the Linksys Wireless Guard.

• Chapter 6: Configuring the Dual-Band Wireless A + G Access Point

This chapter explains the use of the Access Point’s Web-based Utility.

• Appendix A: Troubleshooting

This appendix describes some frequently asked questions regarding installation and use of the Dual-Band

Wireless A + G Access Point.

• Appendix B: Wireless Security

This appendix explains the risks of wireless networking and some solutions to reduce the risks.

• Appendix C: Upgrading Firmware

This appendix instructs you on how to upgrade the Access Point’s firmware.

• Appendix D: Windows Help.

This appendix describes some of the ways Windows can help you with wireless networking.

• Appendix E: Glossary

This appendix gives a brief glossary of terms frequently used in networking.

• Appendix F: Specifications

This appendix provides the Access Point’s technical specifications.

Chapter 1: Introduction

What’s in this Guide?

Dual-Band Wireless A + G Access Point

• Appendix G: Warranty Information

This appendix supplies the Access Point’s warranty information.

• Appendix H: Regulatory Information

This appendix supplies the Access Point’s regulatory information.

• Appendix I: Contact Information

This appendix provides contact information for a variety of Linksys resources, including Technical Support.

Chapter 2: Planning your Wireless Network

Network Topology

Dual-Band Wireless A + G Access Point

Chapter 2: Planning your Wireless Network

Network Topology

A wireless network is a group of computers, each equipped with one wireless adapter. Computers in a wireless

network must be configured to share the same radio channel. Several PCs equipped with wireless cards or

adapters can communicate with one another to form an ad-hoc network.

Linksys wireless adapters also provide users access to a wired network when using an access point, such as the

Dual-Band Wireless A + G Access Point, or wireless router. An integrated wireless and wired network is called an

infrastructure network. Each wireless PC in an infrastructure network can talk to any computer in a wired

network infrastructure via the access point or wireless router.

An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and may double the

effective wireless transmission range for two wireless adapter PCs. Since an access point is able to forward data

within a network, the effective transmission range in an infrastructure network may be doubled.

Roaming

Infrastructure mode also supports roaming capabilities for mobile users. Roaming means that you can move your

wireless PC within your network and the access points will pick up the wireless PC's signal, providing that they

both share the same channel and SSID.

Before enabling you consider roaming, choose a feasible radio channel and optimum access point position.

Proper access point positioning combined with a clear radio signal will greatly enhance performance.

infrastructure: a wireless network

that is bridged to a wired network via

an access point.

ad-hoc: a group of wireless devices

communicating directly with each other (peer-

to-peer) without the use of an access point.

roaming: the ability to take a wireless device

from one access point's range to another

without losing the connection.

ssid: your wireless network's name

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