Lancom 800+ Manuale utente

LANCOM 800+

LANCOM DSL/I- 10+

LANCOM DSL/I- 1611 Office

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

0268

/11

LANCOM 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Preface

Preface

Thank you for placing your trust in this LANCOM product.

With the LANCOM router, you have chosen a powerful router that lets you

easily and conveniently provide individual computers or an entire local net-

work with high-speed Internet access. Dial-in connections and LAN to LAN

couplings can be realized depending on the LANCOM model via ISDN or VPN.

Model variants

This user manual applies to the following models of the LANCOM router which

are different in hard and software equipment:

LANCOM 800+

LANCOM DSL/I-10+

LANCOM DSL/I-1611 Office

Model

restrictions

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 router.

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 66.

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 router. It also contains the most important technical spec-

ification for the device.

LANCOM 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Preface

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

Quality of Service (QoS)

Virtual Private Networks (VPN)

Virtual Local Networks (VLAN)

Wireless networks (WLAN)

LANCAPI

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

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 Systems is also available to you. Telephone numbers and

LANCOM 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Preface

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 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Contents

Contents

1 Introduction 9

1.1 How does DSL work? 9

1.2 Which use does VPN offer? 11

1.3 Firewall 14

1.4 What does a router do? 15

1.4.1 Bridgehead to the WAN 16

1.4.2 Areas of deployment for routers 16

1.5 What can your LANCOM router do? 17

2 Installation 20

2.1 Package contents 20

2.2 System preconditions 20

2.3 Introducing the LANCOM router 21

2.3.1 Status displays 21

2.3.2 The connections of the unit 26

2.4 Hardware installation 28

2.5 Software installation 29

2.5.1 Starting LANCOM setup 30

2.5.2 Which software should you install? 30

3 Basic configuration 32

3.1 Which information is necessary? 32

3.1.1 TCP/IP settings 32

3.1.2 Configuration protection 34

3.1.3 Settings for the DSL connection 34

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 41

LANCOM 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Contents

4 Setting up Internet access 43

4.1 Instructions for LANconfig 45

4.2 Instructions for WEBconfig 45

5 Linking two networks 46

5.1 What information is necessary? 47

5.1.1 General information 47

5.1.2 Settings for the TCP/IP router 49

5.1.3 Settings for the IPX router 50

5.1.4 Settings for NetBIOS routing 51

5.2 Instructions for LANconfig 52

5.3 Instructions for WEBconfig 52

6 Providing dial-in access 54

6.1 Which information is required? 54

6.1.1 General information 55

6.1.2 Settings for TCP/IP 56

6.1.3 Settings for IPX 56

6.1.4 Settings for NetBIOS routing 57

6.2 Settings for the dial-in computer 58

6.2.1 Dial-up via VPN 58

6.2.2 Dial-up via ISDN 58

6.3 Instructions for LANconfig 59

6.4 Instructions for WEBconfig 59

7 Sending faxes with LANCAPI 61

7.1 Installation of the LANCOM CAPI fax modem 62

7.2 Installation of the MS Windows fax service 63

7.3 Sending a fax 64

7.3.1 Send a fax with any given office application 64

7.3.2 Send a fax with the MS Windows fax service 64

LANCOM 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Contents

8 Security settings 66

8.1 The security settings wizard 66

8.1.1 Wizard for LANconfig 66

8.1.2 Wizard for WEBconfig 67

8.2 The firewall wizard 67

8.2.1 Wizard for LANconfig 67

8.2.2 Configuration under WEBconfig 68

8.3 The security checklist 68

9 Troubleshooting 71

9.1 No WAN connection is established 71

9.2 DSL data transfer is slow 72

9.3 Unwanted connections under Windows XP 72

10 Appendix 73

10.1 Performance data and specifications 73

10.2 Contact assignment 74

10.2.1 Ethernet WAN interface 74

10.2.2 ISDN-S0interface 75

10.2.3 Ethernet interfaces 10/100Base-T 75

10.2.4 Configuration interface (Outband) 76

10.3 CE declaration of conformity 76

11 Index 77

LANCOM 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Chapter 1: Introduction

1Introduction

The models LANCOM 800+, LANCOM DSL/I-10+ and LANCOM DSL/I-1611

Office are fully-featured routers that therefore also can be used in combina-

tion with the integrated firewall for providing secure Internet access to a com-

plete local network (LAN).

The VPN option, which is either integrated already or can be activated subse-

quently, enables the LANCOM DSL/I-1611 Office to act as powerful dynamic

VPN gateway for external offices or mobile users.

The LANCOM router models offer each an ISDN connector and partially an DSL

connector (LANCOM DSL/I-10+ and LANCOM DSL/I-1611 Office). The ISDN

line can be used as back-up for the DSL connection (LANCOM DSL/I-10+ and

LANCOM DSL/I-1611 Office), for remote management of the router, as basis

for the office communication via LANCAPI or for establishing dynamic VPN

connections to remote sites with dynamic IP addresses (LANCOM DSL/I-1611

Office only).

1.1 How does DSL work?

Since the late 1980s, scientists have been working on the idea of using con-

ventional telephone lines for video and multimedia applications.

High speed via standard telephone lines

Their approach was based on the use of telephone lines only for the distance

between the subscriber and the next local exchange. From the switching

center, the data is then transferred via high-speed connections to the desired

destination or target network (i.e. the Internet). This minimization of the tel-

ephone line distance used permits considerably higher transfer rates than

would be possible when relying solely on the telephone network.

ADSL connection via

telephone line

Internet

Local exchange (central office)

LANCOM router

LAN

LANCOM 800+ – LANCOM DSL/I- 10+ – LANCOM DSL/I- 1611 Office

Chapter 1: Introduction

All DSL technologies, of which ADSL is the most common, are based on this

concept. Thanks to their high transfer speeds, DSL connections are well-suited

for Internet access.

Ideal for Internet surfers

The ADSL version of DSL was designed for applications in which the user

receives high volumes of data but only transmits relatively small volumes. A

typical example for this would be access to the world wide web (www). Only

a few commands (mouse clicks) are required to initiate the download of very

large volumes of data such as graphics, texts, audio or video files. The user

typically only sends very small amounts of data across the Internet connec-

tion.

With an ADSL connection, a user can download at up to 8 Mbps (“down-

stream”) and upload at up to 800 Kbps (“upstream”). These maximum rates

can be reduced as required by the ADSL provider. A typical access plan might

specify, for example, between 1000 and 3000 Kbps download and 128 up to

384 Kbps upload speed.

All services via a single cable—thanks to the splitter

With ADSL, all traditional telephony applications (telephone, fax, answering

machine, PBX) can still be used without restrictions. So-called splitters make

this possible. Splitters are devices that separate the telephone line's “voice

frequencies” from the “data frequencies” and ensure that the signals are for-

warded to the appropriate networks. Voice signals are passed on to the exist-

ing telephone network, while data signals are forwarded to their destinations

(i.e. Internet providers) via high-bandwidth network connections.

A splitter is also used at the subscriber end to permit ADSL modems/routers

and conventional telephone equipment to be used at the same time.

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