Lancom 1811 Manuale utente

LANCOM 1811 Wireless DSL –

LANCOM 1821+ Wireless ADSL

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.

All explanations and documents for registration of the products you find in the appendix of this documentation, if they

were present at the time of printing.

Trademarks

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

The LANCOM Systems logo, LCOS 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.

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

This product includes cryptographic software written by Eric Young (eay@cryptsoft.com).

This product includes software developed by the NetBSD Foundation, Inc. and its contributors.

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

LANCOM Systems GmbH

Adenauerstr. 20/B2

52146 Wuerselen

Germany

www.lancom.eu

Wuerselen, March 2007

110515/0307

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Preface

Preface

Thank you for placing your trust in this LANCOM Systems product.

With the LANCOM Router you have chosen a powerful wireless router that

possesses integrated DSL respectively ADSL and ISDN interfaces by default as

well as an integrated 4-port switch. With this router you can simply and com-

fortably connect individual PCs or whole local networks to the high-speed

Internet.

As a base station, the LANCOM Router provides numerous central functions

and services to the participants of wireless networks and it convinces by a

simple configuration and a reliable continuous operation. With high-effective

technologies, it ensures data security within the whole wireless network.

Model variants

This user manual applies to the following models of the LANCOM Wireless DSL

series:

LANCOM 1811 Wireless DSL

LANCOM 1821+ Wireless ADSL

Model

restriction

The section 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 Wireless Router.

Security settings

To maximize the security available from your product, we recommend that you

undertake all of the security settings (e.g. firewall, encryption, access protec-

tion, charge limits) that were not already activated when you purchased the

product. The LANconfig Wizard 'Security Settings' will help you with this task.

Further information is also available in the chapter 'Security settings'.

We would additionally like to ask you to refer to our Internet site www.lan-

com.eu for the latest information about your product and technical develop-

ments, and also to download our latest software versions.

User manual and reference manual

The documentation of your device consists of three parts: The installation

guide, the user manual and the reference manual.

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Preface

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

put your device into operation. It also contains all of the important technical

specifications.

The reference manual can be found on the LANCOM product CD as an Acrobat

(PDF) document. It is designed as a supplement to the user manual and goes

into detail on topics that apply to a variety of models. These include, for

example:

The system design of the operating system LCOS

Configuration

Management

Diagnosis

Security

Routing and WAN functions

Firewall

Quality of Service (QoS)

Virtual Private Networks (VPN)

Virtual Local Networks (VLAN)

Wireless networks (WLAN)

Voice communication in computer networks with Voice over IP (VoIP)

Backup solutions

LANCAPI

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

This documentation was created 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 enhancements,

please do not hesitate to send an email directly to:

[email protected]

Our online services www.lancom.eu are available to you around the

clock should you have any queries regarding the topics discussed in

this manual or require any further support. The area 'Support' will

help you with many answers to frequently asked questions (FAQs).

Furthermore, the knowledgebase offers you a large reserve of infor-

mation. The latest drivers, firmware, utilities and documentation are

constantly available for download.

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Preface

In addition, LANCOM support is available. For telephone numbers and

contact addresses of LANCOM support, please see the enclosed leaf-

let or the LANCOM Systems website.

Information symbols

Very important instructions. Failure to observe this may result in damage.

Important instruction that should be observed.

Additional information that may be helpful but which is not required.

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Contents

Contents

1 Introduction 10

1.1 How do ADSL and ADSL 2+ work? 10

1.2 What does VPN offer? 12

1.3 What is a Wireless LAN? 14

1.3.1 Which hardware to use? 14

1.3.2 Operation modes of Wireless LANs and base stations 14

1.4 What can your LANCOM Wireless Router do? 15

2 Installation 19

2.1 Package contents 19

2.2 System requirements 19

2.3 Introducing LANCOM Router 20

2.3.1 Status displays 20

2.3.2 The back of the unit 25

2.4 Hardware installation 27

2.5 Software installation 29

2.5.1 Starting LANCOM setup 29

2.5.2 Which software should you install? 29

3 Basic configuration 31

3.1 Which information is necessary? 31

3.1.1 TCP/IP settings 31

3.1.2 Configuration protection 33

3.1.3 Settings for the Wireless LAN 33

3.1.4 Settings for the ISDN connection 34

3.1.5 Connect charge protection 35

3.2 Instructions for LANconfig 35

3.3 Instructions for WEBconfig 37

3.4 TCP/IP settings to workstation PCs 40

4 Setting up Internet access 42

4.1 Instructions for LANconfig 43

4.2 Instructions for WEBconfig 44

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Contents

5 Linking two networks 45

5.1 What information is necessary? 46

5.1.1 General information 46

5.1.2 Settings for the TCP/IP router 48

5.1.3 Settings for the IPX router 49

5.1.4 Settings for NetBIOS routing 50

5.2 Instructions for LANconfig 51

5.3 Instructions for WEBconfig 52

6 Providing dial-in access 53

6.1 Which information is required? 53

6.1.1 General information 54

6.1.2 Settings for TCP/IP 55

6.1.3 Settings for IPX 56

6.1.4 Settings for NetBIOS routing 56

6.2 Settings for the dial-in computer 57

6.2.1 Dial-up via VPN 57

6.2.2 Dial-up via ISDN 57

6.3 Instructions for LANconfig 58

6.4 Instructions for WEBconfig 59

7 Sending faxes with LANCAPI 60

7.1 Installation of the LANCOM CAPI Faxmodem 61

7.2 Installation of the MS Windows fax service 62

7.3 Sending a fax 62

7.3.1 Send a fax with any given office application 62

7.3.2 Send a fax with the MS Windows fax service 63

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Contents

8 Security settings 64

8.1 Security for the Wireless LAN 64

8.1.1 Closed network 64

8.1.2 Access control via MAC address 65

8.1.3 LANCOM Enhanced Passphrase Security 65

8.1.4 Encryption of the data transfer 66

8.1.5 802.1x / EAP 67

8.1.6 IPSec over WLAN 68

8.2 Tips for handling keys 68

8.3 The security settings wizard 69

8.3.1 Wizard for LANconfig 69

8.3.2 Wizard for WEBconfig 70

8.4 The firewall wizard 70

8.4.1 Wizard for LANconfig 71

8.4.2 Configuration under WEBconfig 71

8.5 The security checklist 71

9 Options and accessories 76

9.1 Optional LANCOM Wireless Router antennas 76

9.1.1 Antenna Diversity 76

9.1.2 Installation of AirLancer Extender antennas 77

9.2 LANCOM Public Spot Option 77

9.3 LANCOM VoIP Basic Option and LANCOM VoIP Advanced Option

9.3.1 Advantages of VoIP solutions 79

9.4 LANCOM VPN Option 79

10 Troubleshooting 81

10.1 No DSL connection is established 81

10.2 DSL data transfer is slow 81

10.3 Unwanted connections under Windows XP 82

10.4 Cable testing 82

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Contents

11 Appendix 84

11.1 Performance data and specifications 84

11.2 Contact assignment 86

11.2.1 ADSL interface 86

11.2.2 DSL interface 86

11.2.3 ISDN-S0interface 87

11.2.4 Ethernet interfaces 10/100Base-T 87

11.2.5 Configuration interface (Outband) 88

11.3 CE declaration of conformity 88

LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL

Chapter 1: Introduction

1Introduction

The models of the LANCOM Router series offer each a DSL or ADSL connector

and also an ISDN connector. The ISDN line can be used as back-up for the DSL

connection, for remote management of the router or as basis for the office

communication via LANCAPI.

In addition to their function as routers between LAN and the Internet, all

models of the LANCOM Router series operate also as base stations for wireless

networks. With the base station you link wireless PCs and notebooks to a net-

work, connect these devices to the existing wired LAN and enable also the

wireless devices to access the Internet.

1.1 How do ADSL and ADSL 2+ work?

ADSL (Asymmetric Digital Subscriber Line) is currently the most common tech-

nology for broadband Internet connections. Standard and almost ubiquitous

telephone lines (analog or DSL) are the basis for DSL data transfer to the nea-

rest telephone exchange. From here, the data is passed directly on to the

Internet over high-speed connections.

The asymmetric DSL variant ADSL was developed for applications where users

receive large amounts of data but transmit only small amounts, such as when

surfing in the WWW. ADSL subscribers can receive data at up to 8 Mbps

("downstream") and transmit at up to 800 kbps ("upstream"). ADSL providers

are able to reduce these maximum rates as they please.

To satisfy the strongly increasing demand for higher bandwidths, the stan-

dards ADSL 2 and ADSL 2+ provider higher data rates as a basis for applica-

tions such as video streaming or high-definition TV (HDTV) over the Internet.

Depending on the Internet provider, ADSL 2 devices support downstream data

rates of up to 12 Mbps, and ADSL 2+ devices support up to 24 Mbps. Hands-

Internet splitter

LANCOM Router

telephone

phone line

DSL modem

WLAN LAN

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