Lancom 1811 User Manual
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Lancom 1811 User Manual

Wireless dsl – adsl
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  • Page 1 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL...
  • Page 2 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.
  • Page 3 With high-effective technologies, it ensures data security within the whole wireless network. Model variants This user manual applies to the following models of the LANCOM Wireless DSL series: LANCOM 1811 Wireless DSL LANCOM 1821+ Wireless ADSL...
  • Page 4 It also contains all of the important technical specifications. The reference manual can be found on the LANCOM product CD as an Acrobat (PDF) document. It is designed as a supplement to the user manual and goes into detail on topics that apply to a variety of models.
  • Page 5 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Preface In addition, LANCOM support is available. For telephone numbers and contact addresses of LANCOM support, please see the enclosed leaf- let or the LANCOM Systems website. Information symbols Very important instructions. Failure to observe this may result in damage.

  • Page 6: Table Of Contents

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Contents Contents 1 Introduction 1.1 How do ADSL and ADSL 2+ work? 1.2 What does VPN offer? 1.3 What is a Wireless LAN? 1.3.1 Which hardware to use? 1.3.2 Operation modes of Wireless LANs and base stations 14 1.4 What can your LANCOM Wireless Router do?
  • Page 7 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Contents 5 Linking two networks 5.1 What information is necessary? 5.1.1 General information 5.1.2 Settings for the TCP/IP router 5.1.3 Settings for the IPX router 5.1.4 Settings for NetBIOS routing 5.2 Instructions for LANconfig 5.3 Instructions for WEBconfig...
  • Page 8 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Contents 8 Security settings 8.1 Security for the Wireless LAN 8.1.1 Closed network 8.1.2 Access control via MAC address 8.1.3 LANCOM Enhanced Passphrase Security 8.1.4 Encryption of the data transfer 8.1.5 802.1x / EAP 8.1.6 IPSec over WLAN...
  • Page 9 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Contents 11 Appendix 11.1 Performance data and specifications 11.2 Contact assignment 11.2.1 ADSL interface 11.2.2 DSL interface 11.2.3 ISDN-S interface 11.2.4 Ethernet interfaces 10/100Base-T 11.2.5 Configuration interface (Outband) 11.3 CE declaration of conformity...

  • Page 10: Introduction

    Chapter 1: Introduction 1 Introduction The models of the LANCOM Router series offer each a DSL or ADSL connector and also an ISDN connector. The ISDN line can be used as back-up for the DSL connection, for remote management of the router or as basis for the office communication via LANCAPI.
  • Page 11 ADSL modem, which in turn is connected to the split- ter. PSTN Telephone Switching nodes Splitter Splitter DSLAM Internet ADSL Router ADSL prover modem Subscribers LANCOM 1811 Wireless DSLs can also be used for Internet access via  other broadband connections (e.g. cable modems) as long as they...

  • Page 12: What Does Vpn Offer

    10/100Base-Tx Ethernet connector via PPPeE, PPTP or simple Ethernet (with or without DHCP). LANCOM 1821+ Wireless ADSL models can use this option as well by configuring the first LAN port as a WAN interface. ADSL can operate over both ISDN- and analog telephone lines (POTS – Plain Old Telephone Service).
  • Page 13 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 1: Introduction Headquarters Internet Computers using remote access Branch office All participants have fixed or dial-up connections to the Internet. Expensive dedicated lines are no longer needed. ³ All that is required is the Internet connection of the LAN in the headquar- ters.

  • Page 14: What Is A Wireless Lan

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 1: Introduction The resulting savings and high flexibility makes the Internet (or any other IP network) an outstanding backbone for a corporate network. What is a Wireless LAN? The following sections describe the functionality of wireless networks ...

  • Page 15: What Can Your Lancom Wireless Router Do

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 1: Introduction Setting-up of an Internet access Connecting two LANs via a direct radio link (point-to-point mode) Connecting of devices with Ethernet interface via base stations (client mode) Extending an existing Ethernet network with WLAN (bridge mode)
  • Page 16 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 1: Introduction ✔ ✔ DMZ with configurable IDS checks ✔ ✔ PPPoE-Server ✔ ✔ WAN-RIP ✔ ✔ Spanning-Tree-Protokoll ✔ ✔ Layer-2-QoS-Tagging ✔ ✔ ISDN leased lines ✔ ✔ LANCAPI server to provide office applications such as fax or answering machine via the ISDN interface.
  • Page 17 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 1: Introduction ✔ ✔ Traffic-lock function ✔ ✔ QoS für WLAN (IEEE 802.11e, WMM/WME) VoIP functions SIP users 4/32 4/32 ISDN users 4/32 4/32 Lines to SIP providers Lines to SIP PBX...
  • Page 18 ✔ ✔ FirmSafe for no-risk firmware updates Optional software extensions ✔ ✔ LANCOM VPN Option with 25 active tunnels for protection of network couplings and hard- ware acceleration ✔ ✔ LANCOM Public Spot Option ✔ ✔ LANCOM VoIP Basic Option ✔...

  • Page 19: Installation

    LANCOM CD ✔ ✔ Printed documentation If anything is missing, please contact your retailer or the address stated on the delivery slip of the unit. System requirements Computers that connect to a LANCOM Router must meet the following mini- mum requirements:...

  • Page 20: Introducing Lancom Router

    The front and the rear panels of the unit feature a series of light emitting diodes (LEDs) that provide information on the status of the device. Front side The various LANCOM Router models have different numbers of indicators on the front panel depending on their functionality (picture: LANCOM 1811 Wireless DSL).
  • Page 21 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation LANCOM 1821+ ³ · ´ ² ¶ º ¾ µ ¸ Wireless ADSL 1821+ Wireless ADSL Top panel The two LEDs on the top panel provide a convenient overview of the most important status information, especially when the device is installed vertically.
  • Page 22 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation tions in the following chapter). Information about setting a configu- ration password at a later time is available in the section 'The Security Wizard'. The power LED is blinking and no connection can be...
  • Page 23 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation » DSL status Connection status of the DSL connection: (LANCOM 1811 Wireless not connected DSL only) green blinking Establishing connection green flashing Protocol negotioation green constantly on Connection established ¿...
  • Page 24 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation ¶ ISDN status Status of ISDN S connection: Not connected or no S voltage (no error message) green blinking Initializing D-channel (establishing contact with the connec- tion point)

  • Page 25: The Back Of The Unit

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation µ WLAN link Gives information about the wireless LAN access of the internal wireless net- work adapter of the base station. The WLAN link display can assume three...
  • Page 26 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation LANCOM 1811 Wireless DSL Antenna Aux AC12V LAN4 LAN3 LAN2 LAN1 ISDN S Config(COM) Reset Antenna Main 10/100Mbit/s » ¿ ´ ² ¾ µ LANCOM 1821+ Wireless ADSL...

  • Page 27: Hardware Installation

    ADSL – connect the ADSL interface to the splitter using the supplied ADSL connector cable (transparent plugs). ISDN – to connect the LANCOM Router to the ISDN, plug one end of the ´ supplied ISDN connector cable (light blue plugs) in the ISDN/S...
  • Page 28 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation LANCOM provides a print server to manage the printing jobs from the net- work. Supported protocols are RawIP and LPR/LPD. Futher information about configuration of the print server can be ...

  • Page 29: Software Installation

     with computers running operating systems other than Windows. 2.5.1 Starting LANCOM setup Place the LANCOM CD in your CD drive. The LANCOM setup program will start automatically. If the setup program does not start automatically, run AUTORUN.EXE  in the root folder of the LANCOM CD.
  • Page 30 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 2: Installation LANCAPI is a special form of the CAPI-2.0 interface that all workstations of the LAN need to get access to office communication functions as fax or EuroFile transfer. With LANCAPI Dial-Up Networking Support, single workstations can realize dial-up connections to an Internet provider via LANCAPI.

  • Page 31: Basic Configuration

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL 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.
  • Page 32 Fully automatic TCP/IP configuration will not be available when integrating the LANCOM Router in an existing TCP/IP LAN. In this case, continue with the section ’Information required for manual TCP/IP configuration’. The result of the fully automatic TCP/IP configuration: the router will be assigned the IP address '172.23.56.1' (netmask '255.255.255.0').

  • Page 33: Configuration Protection

    Multiple administrators can be set up in the configuration of the  LANCOM, each with differing access rights. For a LANCOM, up to 16 different administrators can be set up. Further information can be found in the section 'Managing rights for different administrators' in the LCOS reference manual.

  • Page 34: Settings For The Isdn Connection

    The automatic setting is normally enough in the 5 GHz band, in which the LANCOM Router base station itself adjust the best channel via TPC and DSF.

  • Page 35: Connect Charge Protection

    If you run the LANCOM Router via DSL access with a flat-rate tariff, you can set the maximum connecting-time in minutes. Any budget can be deactivated by entering the value '0.' In basic settings the charge protection is defined to maximum 600 ...
  • Page 36 Step If you would like to configure the TCP/IP settings manually, assign an avai- lable address from a suitable address range to the LANCOM Router. Con- firm your choice with Next. Specify whether or not the router should act as a DHCP server. Make your selection and confirm with Next.

  • Page 37: Instructions For Webconfig

    LANCOM or by its IP address 172.23.56.254. http://LANCOM http://172.23.56.254 If the configuration PC does not obtain its IP address from the LANCOM DHCP server, figure out the current IP address of this PC (with Start Execute cmd and command ipconfig at the prompt under Windows 2000 or Windows...
  • Page 38 If a DHCP server is active in the LAN to assign IP addresses, an unconfigured LANCOM device will turn off its own DHCP server. It will change into DHCP client mode and will obtain an IP address from the DHCP server of the LAN.
  • Page 39 If you would like to configure the TCP/IP settings manually, assign an avai- lable address from a suitable address range to the LANCOM Router. Also set whether or not it is to operate as a DHCP server. Confirm your entry with Apply.

  • Page 40: Tcp/Ip Settings To Workstation Pcs

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 3: Basic configuration You may specify whether the device may only be configured from the local network or whether remote configuration via the WAN (i.e. a remote net- work) is also permissible.
  • Page 41 Manual IP address assignment If the IP addresses in the network are assigned static ally, then for each PC the IP address of the LANCOM Router must be set in the TCP/IP configu- ration as the standard gateway and as a DNS server.

  • Page 42: Setting Up Internet Access

    All computers in the LAN can take advantage of the central Internet access of the LANCOM Router. The connection to the Internet provider can be estab- lished via any WAN connection, i.e. not only via DSL, but also via the ISDN port (if present).

  • Page 43: Instructions For Lanconfig

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 4: Setting up Internet access When using time-based billing, you can set the LANCOM Router to automatically close existing connections if no data has been trans- ferred within a specified time (the so-called idle time).

  • Page 44: Instructions For Webconfig

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 4: Setting up Internet access The wizard will inform you as soon as the entered information is complete. Complete the configuration with Finish. LANconfig: Quick access to the setup wizards Under LANconfig, the fastest way to launch the setup wizards is via the button on the toolbar.

  • Page 45: Linking Two Networks

    5 Linking two networks With the network interconnection (also known as LAN to LAN coupling) of the LANCOM Router, two local networks are linked. The LAN to LAN coupling can be realized in principle in two different ways: VPN: For coupling via VPN, the connection between both LANs is estab- lished over a specially secured connection through the public Internet.

  • Page 46: What Information Is Necessary

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 5: Linking two networks The ISDN call back function cannot be configured using the wizard. It  can only be set up in the expert configuration. For details, please see the reference manual.
  • Page 47 The stated ISDN caller ID is used to identify and authenticate callers. When a LANCOM Router receives a call, it compares the ISDN caller ID entered for the remote station with the actual caller ID transferred via the...

  • Page 48: Settings For The Tcp/Ip Router

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 5: Linking two networks D channel. An ISDN caller ID generally consists of an area code and an MSN. The password for the ISDN connection is an alternative to the use of the ISDN caller ID.

  • Page 49: Settings For The Ipx Router

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 5: Linking two networks LAN sees the server 10.0.1.2 in the headquarters and can access it (assuming it has the appropriate rights), and vice versa. DNS access to the remote LAN Thanks to DNS, it is not only possible to access remote computers in a TCP/IP network via their IP address, but also by using freely defined names.

  • Page 50: Settings For Netbios Routing

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 5: Linking two networks for the LAN of the head office for the LAN of the branch office for the higher-level WAN The IPX network numbers in the head and branch offices are specified to the respective remote sides.

  • Page 51: Instructions For Lanconfig

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 5: Linking two networks Remote Windows workgroups do not appear in the Windows Network  Neighbourhood, but can only be contacted directly (e.g. via Find Computers). Instructions for LANconfig Perform the configuration on both routers, one at a time.

  • Page 52: Instructions For Webconfig

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 5: Linking two networks ping). The LANCOM Router should automatically set up a connection to the remote station and contact the required computer. Ping – quick testing for TCP/IP connec-...

  • Page 53: Providing Dial-In Access

    Security aspects You must, of course, protect your LAN against unauthorized access. A LANCOM Router therefore offers a whole range of security mechanisms that can provide an outstanding level of protection: VPN: Network couplings via VPN transmit data by IPSec. The data are encrypted by AES, 3-DES, Blowfish or CAST encryption algorithms.

  • Page 54: General Information

    User name and password: Users authenticate themselves with this information when dialling in. Incoming number: The LANCOM Router uses the optional ISDN caller ID as an additional user authentication. This security function should not be used when users dial in from differing locations.

  • Page 55: Settings For Tcp/Ip

    This IP address can be permanently assigned when setting up a user. However, it is simpler to let the LANCOM Router automatically assign free IP addresses to users when they dial in. In this case you only need to specify the IP address range that the LANCOM Router should use for RAS users.

  • Page 56: Settings For Ipx

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 6: Providing dial- in access same applies in the other direction as well: computers in the LAN will also be able to access the remote machine. 6.1.3 Settings for IPX...

  • Page 57: Settings For The Dial-In Computer

    Internet access a VPN client LANCOM Systems offers a 30 days trial version of the LANCOM Advanced VPN Client on the LANCOM CD. A detailed description of the LANCOM Advanced VPN Client and a description of its installation can also be found on the CD.

  • Page 58: Instructions For Lanconfig

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 6: Providing dial- in access Terminal adapter or ISDN card set to PPPHDLC PPP selected as the Dial-Up server type, 'Enable software compression' and 'Require data encryption' unchecked Select desired network protocols (TCP/IP, IPX)

  • Page 59: Instructions For Webconfig

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 6: Providing dial- in access Instructions for WEBconfig RAS access via VPN cannot be configured using the wizard under  WEBconfig yet. It can only be set up in the expert configuration. For details, please refer to the reference manual.

  • Page 60: Sending Faxes With Lancapi

    Chapter 7: Sending faxes with LANCAPI 7 Sending faxes with LANCAPI LANCAPI from LANCOM Systems is a special version of the popular CAPI inter- face. CAPI (Common ISDN Application Programming Interface) establishes the connection between ISDN adapters and communications programs. For their part, these programs provide the computers with office communications func- tions such as a fax machine or answering machine.

  • Page 61: Installation Of The Lancom Capi Faxmodem

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 7: Sending faxes with LANCAPI Installation of the LANCOM CAPI Faxmodem Select the entry Install LANCOM software in the setup program of your LANCOM CD. Highlight the option CAPI Faxmodem, click Next and follow the instruc- tions of the installation routine.

  • Page 62: Installation Of The Ms Windows Fax Service

    For checking the installation, click with the right mouse button on the fax-icon and select Properties. The LANCOM CAPI Faxmodem should now be entered into register 'devices'. Sending a fax After installing all required components, you have several possibilities to send a fax from your workstation PC.

  • Page 63: Send A Fax With The Ms Windows Fax Service

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 7: Sending faxes with LANCAPI Adjust the fax device as printer. Click on OK. A wizard appears, that will guide you through the remaining sending process. 7.3.2 Send a fax with the MS Windows fax service Open the window ’Printers and Faxes’...

  • Page 64: Security Settings

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 8: Security settings 8 Security settings Your LANCOM Router base station has numerous security functions. You find in this chapter all information needed for an optimal protection of the base station.

  • Page 65: Access Control Via Mac Address

    The MAC address is programmed into the hardware and cannot be changed. Wireless LAN devices by LANCOM Systems have got a MAC address label on the casing. The access to an infrastructure network can be restricted to known MAC addresses for certain Wireless LAN devices solely.

  • Page 66: Encryption Of The Data Transfer

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 8: Security settings 8.1.4 Encryption of the data transfer A special role comes up to the encryption of data transfer for Wireless LANs. For IEEE 802.11 radio transfer the supplementing encryption standards are 802.11i/WPA and WEP.

  • Page 67: 802.1X / Eap

    WEP key of “L00A0570FB9BF”. This key is entered into the 'Private WEP settings' of the device for each logical WLAN network as 'Key 1'. To use a WLAN adapter to establish a connection to a new LANCOM access point, the WEP128 encryption must be activated for the WLAN adapter and the standard 13-character WEP key entered.

  • Page 68: Ipsec Over Wlan

    By means of IPSec over WLAN a radio network can be optimally secured in addition to the already introduced securing mechanisms. In order to run IPSec over WLAN you have to upgrade the base stations of the with the LANCOM VPN option and the LANCOM Advanced VPN Client, which runs under the operating systems Windows 98ME, Windows 2000 and Windows XP.

  • Page 69: The Security Settings Wizard

    WLAN interface. 8.3.1 Wizard for LANconfig Mark your LANCOM Router in the selection window. Select from the com- mand bar Extras Setup Wizard. Select in the selection menu the setup wizard Control Security Settings and confirm your choice with Next.

  • Page 70: Wizard For Webconfig

    The firewall wizard assists you to create new firewall rules quickly and com- fortably. Please find further information about the firewall of your LANCOM Router and about its configuration in the reference manual.

  • Page 71: Wizard For Lanconfig

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 8: Security settings 8.4.1 Wizard for LANconfig Mark your LANCOM Router in the selection window. Select from the com- mand bar Extras Setup Wizard. Select in the selection menu the setup wizard Configuring Firewall and confirm your choice with Next.
  • Page 72 LANconfig in the 'Management' configuration area on the 'Security' tab. Have you activated the Firewall? The Stateful Inspection Firewall of the LANCOM ensures that your local network cannot be attacked from the outside. The Firewall can be enabled in LANconfig under ’Firewall/QoS’ on the register card ’General’.
  • Page 73 'Routing' tab. Have you closed critical ports with filters? The firewall filters of the LANCOM Router devices offer filter functions for individual computers or entire networks. Source and target filters can be set for individual ports or for ranges of ports. In addition, individual pro- tocols or any combinations of protocols (TCP/UDP/ICMP) can be filtered.
  • Page 74 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 8: Security settings Have you secured your wireless network encryption, an ACL and LEPS? With the help of 802.11i, WPA or WEP, you can encrypt the data in your wireless network with different encryption methods such as AES, TKIP or WEP.
  • Page 75 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 8: Security settings Have you activated the mechanism that protects your WAN lines if the device is stolen? After being stolen, the device can theoretically be operated at another location by unauthorized persons. Password-protected device configura- tions offer no protection from the operation of the RAS access, LAN cou- pling or VPN connections that are set up in the device;...

  • Page 76: Options And Accessories

    Wireless Public Spot. Optional LANCOM Wireless Router antennas To increase the range of the LANCOM Router base station or to adapt the base station to special conditions of environs, you can connect LANCOM Wireless Router antennas at the base station. An overview of suitable antennas can be found on the LANCOM web site under www.lancom.eu.

  • Page 77: Installation Of Airlancer Extender Antennas

    The Wireless LAN technology is ideally suitable to offer wireless Internet ser- vices to the public at places such as airports, hotels, stations, restaurants or cafés, so-called Public Hot Spots. The LANCOM Public Spot Option is intended for operators of public wireless networks, and unveils additional functions for...

  • Page 78: Lancom Voip Basic Option And Lancom Voip Advanced Option

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 9: Options and accessories The LANCOM Public Spot Option is the optimal solution for public Wireless LANs. Wireless LANs are very suitable for company networks and for wireless networking at home. But for public access services, there is a lack of mecha- nisms for authentication and billing of single users (AAA - Authentication / Authorisation / Accounting).

  • Page 79: Advantages Of Voip Solutions

    VoIP can replace ISDN equipment LANCOM VPN Option The LANCOM VPN Option is an upgrade which advances your device to a VPN gateway with hardware encryption. In combination with the VPN encryption which is then available, you can offer optimal security for every type of con- nection.
  • Page 80 VPN encryption Internet LAN connection secured by VPN encryption Central VPN gateway VPN router Further information about VPN functions and their configuration can be found in the documentation for the LANCOM VPN Option and in the LCOS reference manual.

  • Page 81: Troubleshooting

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 10: Troubleshooting 10 Troubleshooting In this chapter, you will find suggestions and assistance for a few common dif- ficulties. 10.1 No DSL connection is established After start-up the router automatically attempts to connect to the DSL provi- der.

  • Page 82: Unwanted Connections Under Windows Xp

    A cabling defect might have occurred, if no data is transmitted over LAN or WAN connection, although the configuration of the devices does not show any discernible errors. You can test the cabling with the built-in cable tester of your LANCOM. Change under WEBconfig to menu item Expert configuration Status LAN statistics Cable test.
  • Page 83 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 10: Troubleshooting tested (e.g. “DSL1” or “LAN-1”). Pay attention to the correct spelling of the interfaces. Start the test for the specified interface by clicking on Execute. Change then to menu item Expert configuration...

  • Page 84: Appendix

    WLAN two 3 dBi dipole antennas (in package contents). Two reverse SMA connectors for external LANCOM AirLancer Extender antennas or antennas of other manu- facturers. Please remember the legal requirements of your country for operat- ing antenna systems. Information about the calculation of conforming antenna configurations under www.lancom.eu.
  • Page 85 LANCOM 1821+ Wireless ADSL Package LAN cable (CAT.5, STP, 3 m), WAN cable (CAT.5, STP, 3 m), only LANCOM Wire- contents less DSL series), ADSL cable (RJ45 – RJ11, CAT.5, STP, 3 m, only LANCOM Wire- less ADSL series), ISDN cable, external power adapter (12V AC, 1.2 A for LANCOM Wireless DSL series;...

  • Page 86: Contact Assignment

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 11: Appendix 11.2 Contact assignment 11.2.1 ADSL interface 6-pin RJ45 socket Connector – – – – 11.2.2 DSL interface 6-pin RJ45 socket Connector – –...

  • Page 87: Isdn-S Interface

    LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Chapter 11: Appendix 11.2.3 ISDN-S interface 8-pin RJ45 socket, corresponding to ISO 8877, EN 60603-7 Connector Line – – – – – – – – 11.2.4 Ethernet interfaces 10/100Base-T 8-pin RJ45 socket, corresponding to ISO 8877, EN 60603-7...

  • Page 88: Configuration Interface (Outband)

    Line 11.3 CE declaration of conformity LANCOM Systems herewith declares that the devices of the type described in this documentation are in agreement with the basic requirements and other relevant regulations of the 1995/5/EC directive. The CE declarations of conformity for your device are available for download...
  • Page 89 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Index Index Numerics Connect charge protection 10/100Base-TX Connect-charge budget 3-DES Connect-charge metering 802.11i Contact assignment 802.1x ADSL interface Configuration interface DSL interface Accounting Ethernet interface ISDN-S interface ADSL LAN interface Connector cable...
  • Page 90 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Index Encryption IP masquerading IP router IPoE Fallback IPSec Firewall Binding Firewall filter External Network Number FirmSafe Frame type Firmware Internal-Net-Number Flat rate IPX conventions IPX router Hardware installation Settings ISDN...
  • Page 91 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Index LANconfig PPP client run setup wizards PPPoE LAN-LAN coupling PPTP LANmonitor Preshared Key LANtools Shared Secret System requirements Printer at the USB port LEDs Public Spot Option see status displays...
  • Page 92 LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL Index fully automatic Software installation manual Splitter TCP/IP filter SSID TCP/IP router Stateful Inspection Firewall Settings Status display T-DSL Power Telephone Status displays Transfer protocol ADSL Data Turbo Mode ADSL Link...

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