Lancom L-54ag Wireless Bedienungsanleitung

LANCOM L- 54ag Wireless

LANCOM L- 54g Wireless

LANCOM IAP- 54 Wireless

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

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

The reproduction and distribution of the documentation and software included with this product is subject to written per-

mission by LANCOM Systems. We reserve the right to make any alterations that arise as the result of technical develop-

ment.

Trademarks

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

The LANCOM Systems logo and the name LANCOM are registered trademarks of LANCOM Systems GmbH. All other names

mentioned may be trademarks or registered trademarks of their respective owners.

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

This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit http://www.openssl.org/.

LANCOM Systems GmbH

Adenauerstr. 20/B2

52146 Wuerselen

Germany

www.lancom.de

Wuerselen, November 2004

75/11

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Preface

Preface

Thank you for placing your trust in this LANCOM product.

A LANCOM base station by LANCOM Systems

makes available numerous cen-

tral functions and services to the participants of wireless networks. The base

station convinces by a simple configuration and a reliable continious opera-

tion. With high-effective technologies, it ensures data security within the

whole wireless network.

Security settings

For a carefree use of your device, we recommend to carry out all security set-

tings (e.g. Firewall, encryption, access protection, charge lock), which are not

already activated at the time of purchase of your device. The LANconfig wizard

’Check Security Settings’ will support you accomplishing this. Further informa-

tion regarding this topic can be found in chapter ’Security settings’

→page 40.

We ask you additionally to inform you about technical developments and

actual hints to your product on our Web page www.lancom.de, and to down-

load new software versions if necessary.

User manual and reference manual

The documentation of your device consists of two parts: the user manual and

the reference manual.

You are now reading the user manual. It contains all information you need to

start your LANCOM 54 Wireless. It also contains the most important technical

specification for the device.

The reference manual can be found on the CD as an Acrobat (PDF) document.

It is designed as a supplement to the user manual and goes into detail on top-

ics that apply to a variety of devices. These include for example:

Systems design of the LCOS operating system

Configuration

Management

Diagnosis

Security

Routing and WAN functions

Firewall

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Preface

Quality of Service (QoS)

Virtual Private Networks (VPN)

Virtual Local Networks (VLAN)

Wireless networks (WLAN)

LANCAPI

Further server services (DHCP, DNS, charge management)

Model variants

This documentation is for users of LANCOM 54 Wireless base stations. The

base station LANCOM 54 Wireless is to choose from different models. These

are:

LANCOM L-54ag Wireless, complying to the 802.11g standard in the 2,4

GHz band, which is downward-compatible to 802.11b devices.

LANCOM L-54g Wireless operates alternatively either in 802.11g mode in

the 2,4 GHz band, or in 802.11a mode in the 5 GHz band as well.

A LANCOM IAP- 54 Wireless also operates like a LANCOM L-54ag Wireless

either according to the 802.11g standard with 2.4 GHz or according to the

802.11a standard in at 5 GHz. It is additionally equipped with a special-

ized housing (IP50) for use in industrial environments such as in ware-

houses or production facilities.

Model

restriction

The sections of the documentation that refer only to a range of models are

marked either in the corresponding text itself or with appropriate comments

placed beside the text.

In the other parts of the documentation, all described models have been clas-

sified under the general term LANCOM 54 Wireless.

This documentation was compiled …

...by several members of our staff from a variety of departments in order to

ensure you the best possible support when using your LANCOM product.

In case you encounter any errors, or just want to issue critics or enhance-

ments, please do not hesitate to send an email directly to:

[email protected]

Our online services ( www.lancom.de) 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 addition support from

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Preface

LANCOM Systems is also available to you. Telephone numbers and

contact information for LANCOM Systems support can be found on a

separate insert, or at the LANCOM Systems website.

Notes symbols

Very important instructions. If not followed, damage may result.

Important instruction that should be followed.

Additional instructions which can be helpful, but are not

required.

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Contents

Contents

1 Introduction 8

1.1 What is a Wireless LAN? 8

1.1.1 Which hardware to use? 8

1.1.2 Operation modes of Wireless LANs and base stations 8

1.2 What can your LANCOM 54 Wireless do? 9

2 Installation 11

2.1 Package contents 11

2.2 System preconditions 11

2.3 Introducing the LANCOM 54 Wireless 12

2.3.1 Status displays 12

2.3.2 The connectors 16

2.4 Hardware installation 19

2.4.1 LANCOM L-54g Wireless, LANCOM L-54ag Wireless 19

2.4.2 LANCOM IAP-54 Wireless 21

2.5 Software installation 23

2.5.1 Starting LANCOM setup 24

2.5.2 Which software should you install? 24

3 Basic configuration 25

3.1 Which information is necessary? 25

3.1.1 TCP/IP settings 25

3.1.2 Configuration protection 27

3.1.3 Settings for the Wireless LAN 27

3.1.4 Connect charge protection 28

3.2 Instructions for LANconfig 28

3.3 Instructions for WEBconfig 30

3.4 TCP/IP settings to workstation PCs 34

4 Setting up Internet access 36

4.1 What does a router do? 36

4.2 Setting up the Internet access with DSLoL 37

4.3 Instructions for LANconfig 38

4.4 Instructions for WEBconfig 38

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Contents

5 Security settings 40

5.1 Security for the Wireless LAN 40

5.1.1 Closed network 40

5.1.2 Access control via MAC address 41

5.1.3 LANCOM Enhanced Passphrase Security 41

5.1.4 Encryption of the data transfer 41

5.1.5 802.1x / EAP 43

5.1.6 IPSec over WLAN 44

5.1.7 Tips for handling keys 44

5.2 The security settings wizard 44

5.2.1 Wizard for LANconfig 45

5.2.2 Wizard for WEBconfig 46

5.3 The firewall wizard 46

5.3.1 Wizard for LANconfig 46

5.3.2 Configuration under WEBconfig 47

5.4 The security checklist 47

6 Options and accessories 51

6.1 Optional AirLancer Extender antennas 51

6.2 LANCOM Public Spot Option 52

7 Troubleshooting 54

7.1 No WAN connection is established 54

7.2 DSL data transfer is slow 54

7.3 Unwanted connections under Windows XP 55

8 Appendix 56

8.1 Performance data and specifications 56

8.2 Radio channels 58

8.2.1 Radio channels in the 2,4 GHz frequency band 58

8.2.2 Radio channels in the 5 GHz frequency band 59

8.2.3 Radio channels and frequency ranges for Indoor

and Outdoor operating 61

8.3 Contact assignment 64

8.3.1 LAN interface 10/100base-TX 64

8.3.2 Configuration interface (Outband) 64

8.4 Declaration of conformity 65

9 Index 66

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Chapter 1: Introduction

1Introduction

1.1 What is a Wireless LAN?

The following sections describe the functionality of wireless networks

in general. The functions supported by your device are listed in the

table ’What can your LANCOM 54 Wireless do?’ →page 9.

A Wireless LAN connects single terminals (e.g. PCs or notebooks) to a local

network (also LAN – Local Area Network). In contrast to a conventional LAN,

communication takes place via radio links rather than via network cables. This

is the reason why a Wireless LAN is also called a Wireless Local Area Network

(WLAN).

All functions of a cable-bound network are also available in a Wireless LAN:

access to files, servers, printers etc. is as possible as the connection of individ-

ual stations to an internal mail system or to the Internet access.

The advantages of Wireless LANs are obvious: notebooks and PCs can be set

up just where they are needed. Due to Wireless LANs, problems with missing

connections or structural alterations belong to the past.

1.1.1 Which hardware to use?

Each station of the Wireless LAN needs access to the Wireless LAN in the form

of a wireless interface. Devices which have no built-in wireless interface can

be upgraded with a supplement card or an adapter.

LANCOM Systems offers wireless adapters by its AirLancer product

line. An AirLancer wireless adapter enables a device (e.g. PC or note-

book) for access to the Wireless LAN.

1.1.2 Operation modes of Wireless LANs and base stations

Wireless LAN technology and base stations in Wireless LANs are used in the

following operation modes:

Simple direct connections between terminals without base station (ad-

hoc mode)

Larger Wireless LANs, connection to LANs with one or more base stations

(infrastructure network)

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Chapter 1: Introduction

Passing-through of VPN-encrypted connections with VPN pass-through

Setting-up of an Internet access

Connecting two LANs via a direct radio link (point-to-point mode)

Connecting of devices with Ethernet interface via base stations (client

mode)

Extending an existing Ethernet network with WLAN (bridge mode)

In this chapter we will show you briefly the technology of wireless networks.

In addition, we give you an overview of the various applications, functions

and abilities of your base station.

1.2 What can your LANCOM 54 Wireless do?

The following list shows you properties and functions of your device.

LANCOM L-54ag

Wireless

LANCOM L-54g

Wireless

LANCOM IAP-54

Wireless

Wireless LAN

Wireless transmission by IEEE 802.11g and

IEEE 802.11b

Wireless transmission by IEEE 802.11a

Turbo Mode

Super AG

Multi SSID

Roaming function

802.11i / WPA

WEP encryption

(to 128 Bit key length, WEP152)

IEEE 802.1x/EAP

MAC address filter (ACL)

Individual passphrases per MAC address

(LEPS)

Access to RADIUS server

Closed network function

LANCOM L- 54ag Wireless – LANCOM L- 54g Wireless – LANCOM IAP- 54 Wireless

Chapter 1: Introduction

VLAN

Traffic lock function

Connection to the LAN

Fast-Ethernet-connection (10/100base-TX)

Power-over-Ethernet (PoE)

DHCP and DNS server

Internet access (IP router)

Connection for DSL modem (DSLoL)

Stateful Inspection Firewall

Firewall filter (address, port)

IP masquerading (NAT, PAT)

Quality of Service

Configuration and firmware

Configuration under Windows or with web

browser

Configuration wizards

FirmSafe

Serial interface for configuration via outband

cable

Optional software extensions

LANCOM Public Spot Option

Optional hardware extensions

AirLancer Extender antennas for extended

range

Housing

IP50-standard dust resistant metal housing

LANCOM L-54ag

Wireless

LANCOM L-54g

Wireless

LANCOM IAP-54

Wireless

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