ELSA LANCOM Wireless IL-II Manuale utente

ELSA LANCOMTM Wireless IL-II

100324 Wireless IL-11.book Seite 1 Montag, 30.Oktober 2000 4:13 16

While the information in this manual has been compiled with great care, it may not be deemed an assurance of product

characteristics. ELSA shall be liable only to the degree specified in the terms of sale and delivery.

The reproduction and distribution of the documentation and software supplied with this product and the use of its contents

is subject to written authorization fromELSA. We reserve the right to make any alterations that arise as the result of tech-

nical development.

ELSA is DIN EN ISO 9001 certified. The accredited TÜV CERT certification authority has confirmed ELSA conformity to the

worldwide ISO 9001 standard in certificate number 09 100 5069, issued on June 15, 1998.

You can find all declarations and approvals for the products, as long as they were available at the time of publication, in

the appendix of this documentation.

Trademarks

Windows®, Windows NT®and Microsoft®are registered trademarks of Microsoft, Corp.

The ELSA logo is a registered trademark of ELSA AG. All other names mentioned may be trademarks or registered trade-

marks of their respective owners

ELSA Subject to change without notice. No liability for technical errors or omissions.

ELSA AG

Sonnenweg 11

52070 Aachen

Germany

www.elsa.com

Aachen, October 2000

100324/1000

100324 Wireless IL-11.book Seite 2 Montag, 30.Oktober 2000 4:13 16

|ELSA LANCOM Wireless IL-II |

Preface

Thank you for placing your trust in this ELSA product.

Wireless networks from ELSA are economical alternatives or additions to

local wired networks (LANs). Notebooks and PCs can use mobile network

cards to communicate with one another or access wired networks via access

points and can even be integrated into the ISDN network.

Documentation

The accompanying documentation comprises:

Manual

Hardware installation, description of the functions, operating modes and

sample configurations

CD containing electronic documentation

All product manuals, basic technical information (e.g. wireless networks,

general networking technology, TCP/IP etc.), workshop with detailed ex-

amples of applications, reference section for general information includ-

ing a complete description of the menus.

Our online services (www.elsa.com) are available to you around the clock

should you have any queries regarding the topics discussed in this manual or

require any further support. In the Support file section under 'Know-how', you

can find answers to frequently asked questions (FAQs). The KnowledgeBase

also contains a large pool of information. Currentdrivers, firmware, tools and

manuals can be downloaded at any time.

The KnowledgeBase can also be found on the CD. Just open the file

\Misc\Support\MISC\ELSASIDE\index.htm.

100324 Wireless IL-11.book Seite 3 Montag, 30.Oktober 2000 4:13 16

|ELSA LANCOM Wireless IL-II |

100324 Wireless IL-11.book Seite 4 Montag, 30.Oktober 2000 4:13 16

|ELSA LANCOM Wireless IL-II |

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.1 The basic functions of a wireless network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.2 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.3 What does the ELSA LANCOM Wireless IL-11 offer? . . . . . . . . . . . . . . . . . . . . . . . 13

2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.1 Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.3 Install TCP/IP on your workstation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.3.1 Windows 95 and Windows 98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.3.2 Windows NT 4.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.3.3 Windows 2000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

2.4 Introducing the ELSA LANCOM Wireless IL-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.4.1 The front of the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.4.2 The status of the ISDN connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

2.4.3 The bottom of the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.5 How to connect the device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.6 Software installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.7 Quickstart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.7.1 The wizards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

2.7.2 Basic settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3 Configuration and management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.1 Radio or wired: configuration approaches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.2 Configuration using ELSA LANconfig. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3.3 Configuration with ELSA WEBconfig . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.4 Configuration using Telnet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

3.5 Configuration using a dial-up connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

3.5.1 This is what you need for remote configuration. . . . . . . . . . . . . . . . . . . . . . . 40

3.5.2 This is how you prepare the remote configuration. . . . . . . . . . . . . . . . . . . . . 40

3.5.3 The first remote connection using a Dial-up Networking and ELSA LANconfig

3.5.4 The first remote connection using a PPP client and Telnet . . . . . . . . . . . . . . 41

3.5.5 Limiting remote configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.6 Configuration using SNMP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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|ELSA LANCOM Wireless IL-II |

3.7 New firmware with FirmSafe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.7.1 This is how FirmSafe works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.7.2 How to load new software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.8 What's happening on the line? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

3.9 ELSA LANmonitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

3.10 DSL firmware for ELSA LANCOM Wireless. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

4 Operating modes and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1 Establishing wireless connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1.1 Considerations for setting up a wireless network . . . . . . . . . . . . . . . . . . . . . 50

4.1.2 Ad hoc network (peer-to-peer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

4.1.3 Infrastructure network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

4.1.4 Point-to-point network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4.1.5 Wireless Internet gateway via ISDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4.1.6 Wireless Internet gateway via DSL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4.2 Security for your configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

4.2.1 Security for the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

4.2.2 Security for your WLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4.2.3 Security for your LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4.3 ISDN routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

4.3.1 ISDN name list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4.3.2 Interface settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

4.3.3 Router interface settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

4.3.4 Layer list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

4.3.5 Call charge management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

4.4 Automatic address administration with DHCP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

4.4.1 The DHCP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

4.4.2 DHCP—'on', 'off' or 'auto'?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

4.4.3 How are the addresses assigned? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

4.4.4 Configuring the DHCP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

4.5 The least-cost router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

4.5.1 Function of the LANCOM Wireless least-cost router. . . . . . . . . . . . . . . . . . . 74

4.5.2 Setting up the least-cost router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

4.6 ELSA CAPI Faxmodem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

4.6.1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

4.6.2 Faxing with the ELSA CAPI Faxmodem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

4.7 Office communications and LANCAPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

4.7.1 LANCAPI interface settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

4.7.2 The ELSA LANCAPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

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|ELSA LANCOM Wireless IL-II |

4.8 Accounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

4.8.1 Configuring accounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

4.8.2 Reading the accounting data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

5 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

5.1 Power and ratings data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

5.2 Radio frequency channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

6 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

6.1 Declaration of conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

6.2 General Warranty conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

7 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

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|ELSA LANCOM Wireless IL-II |

100324 Wireless IL-11.book Seite 8 Montag, 30.Oktober 2000 4:13 16

|Introduction 9

|ELSA LANCOM Wireless IL-II |

1 Introduction

The advantages of wireless LANs are obvious: Notebooks and PCs can be set

up where they are wanted—problems with missing ports or construction al-

terations are a thing of the past with wireless networking.

Network links in conferences or presentations, access to resources in adja-

cent buildings and exchanging data with mobile units are only a few of the

options available with a wireless LAN.

The access point plays the central role in enabling these options in an exist-

ing wired network. All stations in the wireless network access the LAN via

the access point.

Your entire LAN is connected to the outside world via the integrated IP router

and the ISDN interface. Access to the Internet for the entire LAN or office

functions such as fax and answering machine at all workstations are only

some of the advantages offered by the ISDN router.

Notes on using wireless LAN devices

ELSA Wireless LAN products can use up to 13 radio frequency channels in a

frequency band between 2400 MHz and 2483 MHz. The devices are approved

for operation in all EU countries and Switzerland. Use of the devices is reg-

ulated throughout Europe by the 1999/5/EG guideline of the European Parlia-

ment and Council Directive of 9 March 1999 regarding Radio and

Telecommunication Terminal Equipment (R&TTE) and the mutual approval of

their conformity. Please observe the approved frequencies for individual

countries as listed in the appendix.

ELSA is not responsible for disturbances or interference caused by unautho-

rized modifications made to the devices. ELSA will not be held liable espe-

cially for the consequences of connecting external antennas or cables that

are not explicitly designed for use with ELSA LANCOM Wireless and Air-

Lancer devices.

See the appendix for more information on CE conformity.

1.1 The basic functions of a wireless network

This chapter introduces the basic functional principles of a wireless network.

The terms used will be explained and the structure and possible applications

100324 Wireless IL-11.book Seite 9 Montag, 30.Oktober 2000 4:13 16

Introduction |

|ELSA LANCOM Wireless IL-II |

of wireless networks introduced. Detailed information on this and other top-

ics can be found in the electronic documentation on the CD.

Wireless network

adapters WLAN Wireless network adapters connect individual notebooks and PCs to a Local

Area Network (LAN). As the usual network cables have been replaced by a

radio link in this case, we also refer to this as a Wireless Local Area Network

(WLAN).

Access point Furthermore, the access point forms the bridge between LAN and WLAN.

The ELSA access point also can function as an Internet router or a wireless

bridge between two ethernet LANs. It has a slot for a wireless network

adapter (ELSA AirLancer MC-11) as well as a normal Ethernet connection on

the other side to exchange data between the two networks.

Radio cell The maximum area in which wireless network adapters in mobile stations

and the access point can reach each other and exchange data is known as a

radio cell.

All of the standard functions of a wired network are also available in a wire-

less network: Access to files, servers, printers etc. is possible as is the inte-

gration of the mobile stations into an internal company e-mail system.

1.2 Operating modes

The following operating modes are available using ELSA wireless network

adapters and access points:

Ad hoc network (peer-to-peer)

Infrastructure network

Wireless bridge

Wireless LAN + ISDN gateway

Wireless LAN + DSL gateway

Direct PC

connection Use the wireless network cards to link two or more computers directly. All

computers in a WLAN can then communicate with one another with no addi-

tional hardware.

100324 Wireless IL-11.book Seite 10 Montag, 30. Oktober 2000 4:13 16

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