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Lancom Systems 821, 1711, 1621 manual see status displays, Setting up access to the Internet

Models: 1621 1711 821

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

Chapter 11: Index

LAN to LAN coupling 17, 18, 19, 34, 46

Required information	47
LANCAPI	19, 31
LANCOM setup	30
LANCOM VPN Option	20
LANconfig	31, 35
run setup wizards	45
LANmonitor	31
LANtools
System preconditions	22
Leased line support	74
LEDs
see status displays	22
Line management	18
M	15, 20
MAC address filter	15, 20
Minimum bandwidth	16
MLPPP	74
MSN	56
N
NAT – see IP masquerading
NetBIOS	51
NetBIOS proxy	19
Netmask	33
Network segment	29, 51
P
Package contents	21
Password	34, 36, 46, 54
PAT – see IP masquerading
PBX	10
Phone line	30
Ping	53
Plain Ethernet	44
Plain IP	44
POTS	11
Power adapter	21, 27, 28
PPP	54, 74
PPP client	58

PPPoE	44
PPTP	44
Preshared Key
Shared Secret	49
Q
Quality-of-Service	16

R

Remote Access Service (RAS)

Configuring the dial-in computer

58

Enable software compression	59
Function	18
IPX	57
NetBIOS	57
Searching for Windows workgroups 57
Security aspects	54
Server	19
setup	54
specify MSN	34
TCP/IP	56
User name	55
Remote configuration	36, 40
Remote configuration access	34
Remote configuration via ISDN	20
Reset connect charge protection.	24
Reset switch	27, 28
Resetting the configuration	28
Restarting the device	28
Router	16
Router function	9
S
Searching for Windows workgroups	52
Security
Firewall wizard	67
Security settings wizard	66
Security checklist	68
Security features	17
Security settings	71
Setting up access to the Internet	43

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Lancom Systems 821, 1711, 1621 manual see status displays, Setting up access to the Internet

Contents

LANCOM 821 ADSL/ISDN - LANCOM 1621 ADSL/ISDN - LANCOM 1711 VPN 2005 LANCOM Systems GmbH, Wuerselen Germany. All rights reserved Preface Security settingsThank you for placing your trust in this LANCOM product User manual and reference manualModel variants This documentation was compiled …info@lancom.de Notes symbols Important instruction that should be followedAdditional instructions which can be helpful, but are not required Installation ContentsBasic configuration Setting up Internet accessLinking two networks Providing dial-up accessSending faxes with LANCAPI Security settingsAppendix TroubleshootingHow does ADSL work? IntroductionHigh speed via standard telephone lines would be possible when relying solely on the telephone networkIdeal for Internet surfers All services via a single cable-thanks to the splitterInternet ADSL providerCode ADSL-over-ISDN or ADSL-over-POTS?1.2 Which use does VPN offer? Conventional network infrastructure Networking via the Internet 1.3 Firewall Further important features of the Firewall are Intrusion DetectionInternet 1.4 What does a router do? Denial-of-Service ProtectionQuality-of-Service / Traffic management 1.4.2 Areas of deployment for routers 1.4.1 Bridgehead to the WANLANCOM 821 ADSL 1.5 What can your LANCOM do?LANCOM 1621 ADSL LANCOM 1711 DSLLANCOM 1621 ADSL LANCOM 821 ADSLLANCOM 1711 DSL WAN connectionLANCOM 821 ADSL ConfigurationLANCOM 1621 ADSL LANCOM 1711 DSL2 Installation 2.1 Package contents2.2 System preconditions 2.3 Introducing LANCOM 2.3.1 Status displaysFront side Meanings of the LEDs Top panelCompletely deactivate the lock that has been triggered set limit to Flashing Power LED but no connection?The Online LED indicates the overall status of all WAN ports LANCOMConnection status of the WAN connection Connection status of the ADSL linkData traffic via the ADSL link Data traffic via the DSL connectionStatus of the four LAN ports in the integrated switch Status of ISDN S0 connectionSeparate status display for both ISDN B channels Voltage switch Connection for the included power adapter Reset switch 2.3.2 The back of the unitSwitch with four 10/100Base-Tx connections Serial configuration port ISDN/S0 port ADSL port2.4 Hardware installation using the included power adapter ADSL connector cable transparent plugsConnect to power - Connect socket DSL - connect the WAN interface2.5.1 Starting LANCOM setup 2.5 Software installation2.5.2 Which software should you install? 3 Basic configuration 3.1.1 TCP/IP settings3.1 Which information is necessary? Configure manually nevertheless? New LAN-fully automatic configuration possibleInformation required for manual TCP/IP configuration IP address and netmask for the LANCOM3.1.3 Settings for the DSL connection 3.1.2 Configuration protection3.1.4 Settings for the ISDN connection Enable DHCP server?3.2 Instructions for LANconfig LANconfig3.1.5 Connect charge protection Complete the configuration with Finish Network without DHCP server 3.3 Instructions for WEBconfigNetwork with DHCP server Starting the wizards in WEBconfigIf 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 the LANCOM default 3.4 TCP/IP settings to workstation PCsIP address assignment via a separate DHCP server Manual IP address assignmentPage Does the setup wizard know your Internet provider? 4 Setting up Internet accessAdditional information for unknown Internet providers ADSLUser name and password Additional connection optionsProtocol PPPoE, PPTP or Plain Ethernet IPoE Dynamic channel bundling ISDN only4.2 Instructions for WEBconfig 4.1 Instructions for LANconfigTools Setup Wizard LANconfig Quick access to the setup wizardsAlways configure both sides 5 Linking two networksSecurity aspects 5.1.1 General information 5.1 What information is necessary?NetBIOS routing for access to remote net IPX routing for access to remote networkHide local stations for access to remote net TCP/IP routing for access to remote networkNetmask 5.1.2 Settings for the TCP/IP router5.1.3 Settings for the IPX router DNS access to the remote LANExtranet VPN 5.1.4 Settings for NetBIOS routing 5.3 Instructions for WEBconfig 5.2 Instructions for LANconfigPing - quick testing for TCP/IP connections 6 Providing dial-up access 6.1 Which information is required?Security aspects Notes to the individual values 6.1.1 General informationCoupling EntryThe ISDN calling line identity CLI 6.1.2 Settings for TCP/IP6.1.3 Settings for IPX 6.1.4 Settings for NetBIOS routingUser SAMPLE 6.2 Settings for the dial-in computer 6.2.1 Dial-up via VPN6.2.2 Dial-up via ISDN 6.3 Instructions for LANconfig 6.4 Instructions for WEBconfig ISDN 7 Sending faxes with LANCAPI7.1 Installation of the LANCOM CAPI fax modem Select the entry Install LANCOM software in the setup program of yourLANCOM CD Select the option Printers and Faxes from the control panel 7.2 Installation of the MS Windows fax service7.3.2 Send a fax with the MS Windows fax service 7.3 Sending a fax7.3.1 Send a fax with any given office application LANCOM 821 ADSL/ISDN - LANCOM 1621 ADSL/ISDN - LANCOM 1711 VPN 8 Security settings 8.1 The security settings wizard8.1.1 Wizard for LANconfig 8.1.2 Wizard for WEBconfig 8.2.1 Wizard for LANconfig8.2 The firewall wizard 8.3 The security checklist 8.2.2 Configuration under WEBconfigRules Have you permitted remote configuration? Have you assigned a password for the configuration?Have you activated the Firewall? Do you make use of a ’Deny All’ Firewall strategy?Have you excluded certain stations from access to the router? Is your saved LANCOM configuration stored in a safe place?Have you closed critical ports with filters? Problems with the cabling? 9 Troubleshooting9.1 No WAN connection is established 9.2 DSL data transfer is slow9.3 Unwanted connections under Windows XP 9.4 Cable testingIncreasing the TCP/IP window size under Windows LAN statisticsChange then to menu item Expert configuration Status LAN statis 10 Appendix 10.1 Performance data and specificationsLANCOM LANCOMLANCOM LANCOMLANCOM ADSL/ISDN10.2.1 ADSL interface 10.2 Contact assignmentConnector LANCOM10.2.3 ISDN-S0 interface 10.2.2 Ethernet WAN interface LANCOM 1711 VPNConnector Connector10.3 CE declaration of conformity 10.2.5 Configuration interface Outband10.2.4 Ethernet interfaces 10/100Base-T ConnectorNumerics IndexISDN leased line option 15, 17see status displays Setting up access to the InternetWide Area Network WAN Stateful Inspection Firewall