Troubleshooting, Appendix | Lancom Systems 8011 VPN, 7111 VPN

EN

LANCOM 7111 VPN – LANCOM 8011 VPN

Contents
9 Troubleshooting		67
9.1	No WAN connection is established	67
9.2	DSL data transfer is slow	67
9.3	Unwanted connections under Windows XP	68
9.4	Cable testing	68

10	Appendix			70
	10.1	Performance data and specifications		70
	10.2	Contact assignment		72
		10.2.1	DSL interface	72
		10.2.2	ISDN-S0interface	72
		10.2.3	Ethernet interfaces 10/100Base-T	73
		10.2.4	Configuration interface (Outband)	73
	10.3	CE declaration of conformity		73
11	Index			74

8

Image 8

Lancom Systems 8011 VPN, 7111 VPN manual Troubleshooting, Appendix

Contents

Lancom 7111 VPN Lancom 8011 VPN Lancom Systems GmbH, Wuerselen Germany. All rights reserved Security settings Preface Model variants This documentation was compiled … Info@lancom.de Contents Sending faxes with Lancapi Providing dial-up accessLinking two networks Troubleshooting Appendix Introduction Which use does VPN offer? Conventional network infrastructure Isdn Networking via the Internet Firewall What does a router do? Denial-of-Service ProtectionQuality-of-Service / Traffic management Internet access for a LAN e.g. via DSL or Isdn Bridgehead to the WANAreas of deployment for routers LAN to LAN coupling via VPN or Isdn Conventional via Isdn Remote access to the company network via VPN or IsdnWhat can your Lancom router do? Lancom Quality of Service System preconditions InstallationPackage contents Access to the LAN via the TCP/IP protocol Introducing Lancom routerStatus displays Front side LED remains lit green Online LED indicates the overall status of all WAN ports Flashing Power LED but no connection? Lancom Connection status of Isdn S0 connection Connection status of the WAN connectionData traffic via the WAN connection LCD display Connection status of the serial configuration port7111 VPN, for both Isdn B channels with Lancom 8011 VPN Hardware installation Back of the unit Installation Software installation Starting Lancom setup Which software should you install? Which information is necessary? Basic configuration1 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 Lancom router Configuration protection Settings for the DSL connectionSettings for the Isdn connection Enable Dhcp server? Instructions for LANconfig Start up LANconfig by clicking Start Programs LancomLANconfig Connect charge protection Complete the configuration with Finish Instructions for WEBconfig Network without Dhcp server Or with a name as discribed above Starting the wizards in WEBconfigNetwork with Dhcp server WEBconfig main menu will be displayed Entering the password in the web browser TCP/IP settings to workstation PCs IP address assignment via the Lancom router default IP address assignment via a separate Dhcp server Manual IP address assignment Setting up Internet access Does the setup wizard know your Internet provider?User name and password Additional information for unknown Internet providers Dynamic channel bundling Isdn only Isdn dial-in number User name and passwordAdditional connection options LANconfig Quick access to the setup wizards Complete the configuration with Apply Security aspects Always configure both sidesLinking two networks What information is necessary? General information Name of the remote station is needed for its identification Settings for the TCP/IP router Extranet VPN Settings for the IPX routerDNS access to the remote LAN Settings for NetBIOS routing Perform the configuration on both routers, one at a time Ping quick testing for TCP/IP connections Providing dial-up access Which information is required? Isdn calling line identity CLI Coupling Entry Settings for TCP/IP Settings for IPX WAN Dial-up via Isdn Settings for the dial-in computerDial-up via VPN Instructions for LANconfig Providing dial- up access Sending faxes with Lancapi Installation of the Lancom Capi fax modem Installation of the MS Windows fax service Select the option Printers and Faxes from the control panel Send a fax with any given office application Send a fax with the MS Windows fax serviceSending a fax Sending faxes with Lancapi Wizard for LANconfig Security settingsSecurity settings wizard Wizard for WEBconfig Firewall wizard Rules Security checklistConfiguration 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? Troubleshooting Problems with the cabling?No WAN connection is established DSL data transfer is slow Cable testing Unwanted connections under Windows XPIncreasing the TCP/IP window size under Windows LAN statistics Troubleshooting Performance data and specifications Appendix Rights for up to 16 administrators Contact assignment DSL interfaceISDN-S0interface Pin RJ45 socket Configuration interface Outband CE declaration of conformityEthernet interfaces 10/100Base-T Pin mini-DIN socket Numerics Installation IPX conventions IPX router SettingsConnector cable Channel Data compression Dial-innumber Connector cable LAN to LAN coupling 14, 15, 30 NetBIOS NetBIOS proxy Netmask Network segment Package contents Packet size adaption PasswordNetBIOS Security aspects Server Setup Specify MSN Check connection Settings 28 , 32Temperature Time WEBconfig