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Lancom Systems 1621 Basic configuration, Which information is necessary?, 3.1.1 TCP/IP settings

Models: 1621 1711 821

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3 Basic configuration

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LANCOM 821 ADSL/ISDN – LANCOM 1621 ADSL/ISDN – LANCOM 1711 VPN

Chapter 3: Basic configuration

3 Basic configuration

The basic configuration can be performed on a step-by-step basis using a convenient setup wizard to guide you through the setup process and prompt you for the required information.

First, this chapter will inform you which information is required for the basic configuration. Use this section to assemble the information you will need before launching the wizard.

Next, enter the data in the setup wizard. Launching the wizard and the proc- ess itself are described step by step - with separate sections for LANconfig and WEBconfig. Thanks to the information that you have collected in advance, the basic configuration is quick and effortless.

At the end of this chapter we will show you the settings that are needed for the LAN's workstations to ensure trouble-free access to the router (“TCP/IP settings to workstation PCs” on page 41).

3.1Which information is necessary?

The basic configuration wizard will take care of the basic TCP/IP configuration of the router, protect the device with a configuration password, and will set up the ISDN connection if required. The following descriptions of the informa- tion required by the wizard are grouped in these three configuration sections:

TCP/IP settings

protection of the configuration information on DSL connection information on ISDN connection configuring connect charge protection

3.1.1TCP/IP settings

The TCP/IP configuration can be realized in two ways: either as a fully auto- matic configuration or manually. No user input is required for the fully auto- matic TCP/IP configuration. All parameters are set automatically by the setup wizard. During manual TCP/IP configuration, the wizard will prompt you for the usual TCP/IP parameters: IP address, netmask etc. (more on these topics later).

Fully automatic TCP/IP configuration is only possible in certain network envi- ronments. The setup wizard therefore analyses the connected LAN to deter- mine whether it supports fully automatic configuration.

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Lancom Systems 1621, 821, 1711 manual Basic configuration, Which information is necessary?, 3.1.1 TCP/IP settings

Contents

LANCOM 821 ADSL/ISDN - LANCOM 1621 ADSL/ISDN - LANCOM 1711 VPN 2005 LANCOM Systems GmbH, Wuerselen Germany. All rights reserved Security settings PrefaceThank you for placing your trust in this LANCOM product 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 Contents InstallationBasic configuration Setting up Internet accessProviding dial-up access Linking two networksSending faxes with LANCAPI Security settingsTroubleshooting AppendixIntroduction How does ADSL work?High speed via standard telephone lines would be possible when relying solely on the telephone networkAll services via a single cable-thanks to the splitter Ideal for Internet surfersInternet 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 routers1.5 What can your LANCOM do? LANCOM 821 ADSLLANCOM 1621 ADSL LANCOM 1711 DSLLANCOM 821 ADSL LANCOM 1621 ADSLLANCOM 1711 DSL WAN connectionConfiguration LANCOM 821 ADSLLANCOM 1621 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 LEDsFlashing Power LED but no connection? Completely deactivate the lock that has been triggered set limit toThe Online LED indicates the overall status of all WAN ports LANCOMConnection status of the ADSL link Connection status of the WAN connectionData traffic via the ADSL link 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 2.3.2 The back of the unit Voltage switch Connection for the included power adapter Reset switchSwitch with four 10/100Base-Tx connections Serial configuration port ISDN/S0 port ADSL port2.4 Hardware installation ADSL connector cable transparent plugs using the included power adapterConnect to power - Connect socket 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 New LAN-fully automatic configuration possible Configure manually nevertheless?Information required for manual TCP/IP configuration IP address and netmask for the LANCOM3.1.2 Configuration protection 3.1.3 Settings for the DSL connection3.1.4 Settings for the ISDN 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 3.4 TCP/IP settings to workstation PCs IP address assignment via the LANCOM defaultIP address assignment via a separate DHCP server Manual IP address assignmentPage 4 Setting up Internet access Does the setup wizard know your Internet provider?Additional information for unknown Internet providers ADSLAdditional connection options User name and passwordProtocol PPPoE, PPTP or Plain Ethernet IPoE Dynamic channel bundling ISDN only4.1 Instructions for LANconfig 4.2 Instructions for WEBconfigTools Setup Wizard 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 informationIPX routing for access to remote network NetBIOS routing for access to remote netHide local stations 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? 6.1.1 General information Notes to the individual valuesCoupling 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 assigned a password for the configuration? Have you permitted remote configuration?Have you activated the Firewall? 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 Troubleshooting Problems with the cabling?9.1 No WAN connection is established 9.2 DSL data transfer is slow9.4 Cable testing 9.3 Unwanted connections under Windows XPIncreasing the TCP/IP window size under Windows LAN statisticsChange then to menu item Expert configuration Status LAN statis 10.1 Performance data and specifications 10 AppendixLANCOM LANCOMTemperature range LANCOMLANCOM LANCOM10.2 Contact assignment 10.2.1 ADSL interfaceConnector LANCOM10.2.2 Ethernet WAN interface LANCOM 1711 VPN 10.2.3 ISDN-S0 interfaceConnector Connector10.2.5 Configuration interface Outband 10.3 CE declaration of conformity10.2.4 Ethernet interfaces 10/100Base-T ConnectorIndex Numerics15, 17 ISDN leased line optionSetting up access to the Internet see status displaysStateful Inspection Firewall Wide Area Network WAN