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Lancom Systems 1621, 821, 1711 manual LANCOM Systems GmbH, Wuerselen Germany. All rights reserved

Models: 1621 1711 821

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© 2005 LANCOM Systems GmbH, Wuerselen (Germany). All rights reserved.

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, January 2005

110321/0105

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Lancom Systems 1621, 821, 1711 manual LANCOM Systems GmbH, Wuerselen Germany. All rights reserved

Contents

LANCOM 821 ADSL/ISDN - LANCOM 1621 ADSL/ISDN - LANCOM 1711 VPN 2005 LANCOM Systems GmbH, Wuerselen Germany. All rights reserved Thank you for placing your trust in this LANCOM product Security settingsPreface User manual and reference manualinfo@lancom.de Model variantsThis documentation was compiled … Additional instructions which can be helpful, but are not required Notes symbolsImportant instruction that should be followed Basic configuration ContentsInstallation Setting up Internet accessSending faxes with LANCAPI Providing dial-up accessLinking two networks Security settingsTroubleshooting AppendixHigh speed via standard telephone lines IntroductionHow does ADSL work? would be possible when relying solely on the telephone networkInternet All services via a single cable-thanks to the splitterIdeal for Internet surfers ADSL providerADSL-over-ISDN or ADSL-over-POTS? Code1.2 Which use does VPN offer? Conventional network infrastructure Networking via the Internet Internet 1.3 FirewallFurther important features of the Firewall are Intrusion Detection Quality-of-Service / Traffic management 1.4 What does a router do?Denial-of-Service Protection 1.4.1 Bridgehead to the WAN 1.4.2 Areas of deployment for routersLANCOM 1621 ADSL 1.5 What can your LANCOM do?LANCOM 821 ADSL LANCOM 1711 DSLLANCOM 1711 DSL LANCOM 821 ADSLLANCOM 1621 ADSL WAN connectionLANCOM 1621 ADSL ConfigurationLANCOM 821 ADSL LANCOM 1711 DSL2.2 System preconditions 2 Installation2.1 Package contents Front side 2.3 Introducing LANCOM2.3.1 Status displays Top panel Meanings of the LEDsThe Online LED indicates the overall status of all WAN ports Flashing Power LED but no connection?Completely deactivate the lock that has been triggered set limit to LANCOMData traffic via the ADSL link Connection status of the ADSL linkConnection status of the WAN connection Data traffic via the DSL connectionSeparate status display for both ISDN B channels Status of the four LAN ports in the integrated switchStatus of ISDN S0 connection Switch with four 10/100Base-Tx connections Serial configuration port 2.3.2 The back of the unitVoltage switch Connection for the included power adapter Reset switch ISDN/S0 port ADSL port2.4 Hardware installation Connect to power - Connect socket ADSL connector cable transparent plugsusing the included power adapter DSL - connect the WAN interface2.5 Software installation 2.5.1 Starting LANCOM setup2.5.2 Which software should you install? 3.1 Which information is necessary? 3 Basic configuration3.1.1 TCP/IP settings Information required for manual TCP/IP configuration New LAN-fully automatic configuration possibleConfigure manually nevertheless? IP address and netmask for the LANCOM3.1.4 Settings for the ISDN connection 3.1.2 Configuration protection3.1.3 Settings for the DSL connection Enable DHCP server?3.1.5 Connect charge protection 3.2 Instructions for LANconfigLANconfig Complete the configuration with Finish 3.3 Instructions for WEBconfig Network without DHCP serverStarting the wizards in WEBconfig Network with DHCP serverIf you cannot access an unconfigured LANCOM, the problem may be due to the netmask of the LAN with less than 254 possible hosts net- mask 255.255.255.0, please ensure that the IP address x.x.x.254 is located in your own subnet Entering the password in the web browser IP address assignment via a separate DHCP server 3.4 TCP/IP settings to workstation PCsIP address assignment via the LANCOM default Manual IP address assignmentPage Additional information for unknown Internet providers 4 Setting up Internet accessDoes the setup wizard know your Internet provider? ADSLProtocol PPPoE, PPTP or Plain Ethernet IPoE Additional connection optionsUser name and password Dynamic channel bundling ISDN onlyTools Setup Wizard 4.1 Instructions for LANconfig4.2 Instructions for WEBconfig LANconfig Quick access to the setup wizardsSecurity aspects Always configure both sides5 Linking two networks 5.1 What information is necessary? 5.1.1 General informationHide local stations for access to remote net IPX routing for access to remote networkNetBIOS routing for access to remote net TCP/IP routing for access to remote network5.1.2 Settings for the TCP/IP router NetmaskExtranet VPN 5.1.3 Settings for the IPX routerDNS access to the remote LAN 5.1.4 Settings for NetBIOS routing 5.2 Instructions for LANconfig 5.3 Instructions for WEBconfigPing - quick testing for TCP/IP connections Security aspects 6 Providing dial-up access6.1 Which information is required? Coupling 6.1.1 General informationNotes to the individual values Entry6.1.2 Settings for TCP/IP The ISDN calling line identity CLIUser SAMPLE 6.1.3 Settings for IPX6.1.4 Settings for NetBIOS routing 6.2.2 Dial-up via ISDN 6.2 Settings for the dial-in computer6.2.1 Dial-up via VPN 6.3 Instructions for LANconfig 6.4 Instructions for WEBconfig 7 Sending faxes with LANCAPI ISDNLANCOM CD 7.1 Installation of the LANCOM CAPI fax modemSelect the entry Install LANCOM software in the setup program of your 7.2 Installation of the MS Windows fax service Select the option Printers and Faxes from the control panel7.3.1 Send a fax with any given office application 7.3.2 Send a fax with the MS Windows fax service7.3 Sending a fax LANCOM 821 ADSL/ISDN - LANCOM 1621 ADSL/ISDN - LANCOM 1711 VPN 8.1.1 Wizard for LANconfig 8 Security settings8.1 The security settings wizard 8.2 The firewall wizard 8.1.2 Wizard for WEBconfig8.2.1 Wizard for LANconfig Rules 8.3 The security checklist8.2.2 Configuration under WEBconfig Have you activated the Firewall? Have you assigned a password for the configuration?Have you permitted remote configuration? Do you make use of a ’Deny All’ Firewall strategy?Have you closed critical ports with filters? Have you excluded certain stations from access to the router?Is your saved LANCOM configuration stored in a safe place? 9.1 No WAN connection is established 9 TroubleshootingProblems with the cabling? 9.2 DSL data transfer is slowIncreasing the TCP/IP window size under Windows 9.4 Cable testing9.3 Unwanted connections under Windows XP LAN statisticsChange then to menu item Expert configuration Status LAN statis LANCOM 10.1 Performance data and specifications10 Appendix LANCOMLANCOM Temperature rangeLANCOM LANCOMConnector 10.2 Contact assignment10.2.1 ADSL interface LANCOMConnector 10.2.2 Ethernet WAN interface LANCOM 1711 VPN10.2.3 ISDN-S0 interface Connector10.2.4 Ethernet interfaces 10/100Base-T 10.2.5 Configuration interface Outband10.3 CE declaration of conformity ConnectorIndex Numerics15, 17 ISDN leased line optionSetting up access to the Internet see status displaysStateful Inspection Firewall Wide Area Network WAN