3Com LANplex 6000 Manuel utilisateur

http://www.3com.com/

http://support.3com.com/registration/frontpg.pl/

11 Mbps Wireless LAN

Access Point 6000

User Guide

Full featured wireless local area networking made simple.

Version 2.0

Published May, 2001

Version 2.0.2

3Com Corporation

5400 Bayfront Plaza

Santa Clara, California

95052-8145

reproduced in any form or by any means or used to make any derivative work (such as translation,

transformation, or adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time

to time without obligation on the part of 3Com Corporation to provide notiﬁcation of such revision or change.

3Com Corporation provides this documentation without warranty, term, or condition of any kind, either

implied or expressed, including, but not limited to, the implied warranties, terms or conditions of

merchantability, satisfactory quality, and ﬁtness for a particular purpose. 3Com may make improvements or

changes in the product(s) and/or the program(s) described in this documentation at any time.

If there is any software on removable media described in this documentation, it is furnished under a license

agreement included with the product as a separate document, in the hard copy documentation, or on the

removable media in a directory ﬁle named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy,

please contact 3Com and a copy will be provided to you.

UNITED STATES GOVERNMENT LEGEND

If you are a United States government agency, then this documentation and the software described herein

are provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense.

Software is delivered as “Commercial Computer Software” as deﬁned in DFARS 252.227-7014 (June 1995)

or as a “commercial item” as deﬁned in FAR 2.101(a) and as such is provided with only such rights as are

provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited

rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is

applicable. You agree not to remove or deface any portion of any legend provided on any licensed program

or documentation contained in, or delivered to you in conjunction with, this User Guide.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may

not be registered in other countries.

3Com, AirConnect, and XJACK are registered trademarks and the 3Com logo is a trademark of

3Com Corporation.

Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.

All other company and product names may be trademarks of the respective companies with which they

are associated.

EXPORT RESTRICTIONS:

This product or software contains encryption code which may not be exported or

transferred from the US or Canada without an approved US Department of Commerce export license.

ONTENTS

NTRODUCTION

How Does a Wireless LAN Work? 1

Network Association 1

Roaming 1

Security 1

Ad Hoc Networks 1

Setting Up a 3Com Wireless LAN 2

All Wireless Networks 2

Wired/Wireless Networks 2

Product Registration and Support 3

NSTALLING

THE

CCESS

OINT

Before You Begin 5

Deciding Where to Place Equipment 5

Placing the Access Point 6

Placing on a Flat Surface 6

Mounting on a Wall 6

Mounting on a Ceiling 7

Connecting Power 7

Connecting to an Ethernet Network 8

Checking the LED Indicators 9

ANAGING

THE

IRELESS

LAN

Overview 11

Viewing Access Point Information 11

Selecting an Access Point for Conﬁguration 12

Changing Access Point Properties 13

Setting Network Properties 14

Setting Data Transmission Properties 15

Changing Encryption Settings 15

Setting up Access Control 16

Changing the Administration Password 16

Using Conﬁguration Templates 16

Creating a Template 16

Loading a Template 17

Saving Access Point Conﬁgurations 17

Backing up an Access Point Conﬁguration 17

Restoring an Access Point Conﬁguration 17

Viewing System Status 18

Upgrading the System 18

Downloading Upgrade Files 18

Installing an Upgrade 18

Installing the Management Tool on a Computer 19

Restoring an Access Point to Factory Defaults 19

Interoperating with Third-Party Equipment 19

ONDUCTING

ITE

URVEY

Choosing Trial Locations 21

Environmental Requirements 21

Electrical Requirements 22

Summary of the Survey Procedure 22

Using the Site Survey Tool 23

Setting up Equipment 23

Launching the Tool 23

Conﬁguring the Site Survey 23

Running the Tests 24

Interpreting Test Results 24

Site Survey Menus 25

NSTALLING

THE

IRELESS

LIENT

Requirements 27

Disk Factory 28

Inserting the PC Card 28

Installing the Software 29

Windows Wizard Installation 30

Install Files 30

Set Up the PC Card 30

Install Utilities 31

Windows NT Installation with Networking Installed 31

Installation Under Service Pack 4 31

Installation Under Service Pack 5 and Above 32

Install Files 32

Install CardWizard 32

Set Up the PC Card 33

Install Utilities 33

Conﬁrming the Installation 34

Custom Installation Options 34

WLAN Service Area 34

Security Settings 34

40-bit Shared Key (Wi-Fi) Encryption 34

128-bit Dynamic Security Link Authentication 35

Installing the Documentation 35

SING

THE

IRELESS

LAN

About the 3Com Icon 38

Interpreting Status Icons 38

Using the 3Com WLAN Conﬁguration Utility 40

Using 3Com Administrator Utilities 41

ONFIGURING

THE

IRELESS

LIENT

Changing Network and Security Settings 43

Network Settings 43

Security Settings 44

40-bit Shared Key (Wi-Fi) Encryption Settings 44

128-bit Dynamic Security Link Settings 45

Setting up Auto Network Connect 45

Setting up an Ad Hoc Network 46

Starting an Ad Hoc Network Session 46

Joining an Ad Hoc Network Session 47

Ending an Ad Hoc Network Session 47

Changing Power, Trafﬁc, and Address Settings 47

Changing Your Password 48

Running Diagnostics 49

Viewing Conﬁguration Information 49

ROUBLESHOOTING

Diagnosing Problems 51

Access Point 51

PC Card 52

Using the Tools Window 54

Uninstalling the Card 54

Uninstalling Software Utilities 55

Upgrading PC Card Firmware 55

INDOWS

NT I

NSTALLATION

ITHOUT

ETWORKING

NSTALLED

Installation Under Service Pack 4 57

Installation Under Service Pack 5 and Above 57

Install Files and Networking 57

Install CardWizard 59

Set Up the PC Card 59

Install Utilities 60

ECHNICAL

UPPORT

Online Technical Services 61

World Wide Web Site 61

3Com Knowledgebase Web Services 61

3Com FTP Site 61

Support from Your Network Supplier 62

Support from 3Com 62

Returning Products for Repair 64

NDEX

EGULATORY

OMPLIANCE

NFORMATION

NTRODUCTION

3Com wireless technology brings the beneﬁts of a local area network (LAN) to

your ofﬁce without the restraints and expense of network wiring. If your ofﬁce

already has an Ethernet LAN, the 3Com 11 Mbps Wireless LAN can extend the

network without adding more wires.

How Does a Wireless

LAN Work?

In a traditional LAN, computers communicate through wires. Instead of wires, a

wireless LAN uses radio signals to communicate.

Network Association

Computers that are equipped for wireless LAN communication are called wireless

LAN

clients

. The wireless communication is called network

association

. Clients

associate through one or more

access points

, which are wireless base stations that

act as wireless hubs.

An access point can be connected to a wired network device such as an Ethernet

hub, switch, or router to give clients access to the wired network where they can

share ﬁles and printers and gain access to the Internet.

Roaming

If the ofﬁce space is large, you can set up multiple access points on the same

network to increase coverage. When a wireless client begins to lose the signal as it

moves away from an access point, it can reassociate seamlessly with another

access point. This is called

roaming

Security

You can set up security to encrypt your wireless transmissions so that your data

cannot be deciphered if it is intercepted, and to prevent access to the network by

unauthorized clients.

Ad Hoc Networks

Wireless clients can associate among themselves at close range without an access

point by using

ad hoc

(temporary) networks. You may wish to set up an ad hoc

network, for example, if a group is working away from the ofﬁce, or if a group in

the ofﬁce needs to share ﬁles apart from the LAN.

HAPTER

1: I

NTRODUCTION

Setting Up a 3Com

Wireless LAN

The type of network you decide to set up depends on the size of your ofﬁce and

whether or not you require connection to a wired LAN. You can also set up

security for each of the different types of networks. Your setup will probably

resemble one or more of the following examples.

All Wireless Networks

The simplest 3Com wireless LAN consists of several clients associating in an ad hoc

network without an access point.

A simple conﬁguration consists of one access point and several clients. The clients

can associate with the wireless network anywhere within the coverage area of the

access point. The access point is not connected to any other network segments.

For more complex requirements, you can conﬁgure several access points as

separate networks at the same site. The access points use different network

identiﬁers called

wireless LAN service areas

(

WLAN service areas

, also called

Extended Service Set Identities

ESSID

). Clients can roam within the coverage

areas of access points that have the same WLAN service areas. They cannot roam

to the coverage areas of access points that are conﬁgured with different WLAN

service areas.

Wired/Wireless

Networks

An access point can be connected to a wired LAN with an Ethernet cable to create

a mixed wired/wireless network. In this conﬁguration, the access point provides

the link between the wired network and wireless clients. Clients can move freely

throughout the service area of the access point and remain associated with the

larger network for services such as printing and Internet access.

POWER

WIRELESS

ETHERNET

Product Registration and Support

Multiple access points can be connected to an existing LAN to provide complete

wireless network coverage. Wireless clients can roam seamlessly between different

access points with the same WLAN service areas and remain associated with the

larger network.

Product Registration

and Support

To register your product with 3Com, go to the following Web page:

http://support.3com.com/registration/frontpg.pl

For support information, see “Technical Support” on page 61 or log on to the 3Com

Web site at http://www.3com.com and navigate to the product support page.

POWER

WIRELESS

ETHERNET

POWER

WIRELESS

ETHERNET

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