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110739/0409

LANCOM Systems GmbH

Adenauerstr. 20/B2

52146 Würselen

Germany

E-Mail: info@lancom.eu

Internet www.lancom.eu

LANCOM

 821+

LANCOM

 1711+ VPN

LANCOM

 1721+ VPN

LANCOM

 821+   

LANCOM

 1711+ VPN   

LANCOM

 1721 VPN

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Handbuch

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Manual

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110739_LC-821plus-1711plus-1721p1   1

110739_LC-821plus-1711plus-1721p1   1

20.04.2009   10:32:30

20.04.2009   10:32:30

Summary of Contents for 1711+ VPN

Page 1: ...LANCOM 821 LANCOM 821 LANCOM 1711 VPN LANCOM 1721 VPN c o n n e c t i n g y o u r b u s i n e s s ...

Page 2: ...LANCOM 821 LANCOM 1711 VPN LANCOM 1721 VPN ...

Page 3: ...ademarks of Microsoft Corp The LANCOM Systems logo LCOS and the name LANCOM are registered trademarks of LANCOM Systems GmbH All other names or descriptions used may be trademarks or registered trademarks of their owners Subject to change without notice No liability for technical errors or omissions Products from LANCOM Systems include software developed by the OpenSSL Project for use in the OpenS...

Page 4: ...y to a range of models are marked either in the corresponding text itself or with appropriate comments placed beside the text In the other parts of the documentation all described models have been clas sified under the general term LANCOM Router Security settings To maximize the security available from your product we recommend that you undertake all of the security settings e g firewall encryptio...

Page 5: ...It is designed as a supple ment to the user manual and goes into detail on topics that apply to a variety of models These include for example The system design of the operating system LCOS Configuration Management Diagnosis Security Routing and WAN functions Firewall Quality of Service QoS Virtual Private Networks VPN Virtual Local Networks VLAN Wireless networks WLAN Backup solutions LANCAPI Furt...

Page 6: ...nt in this manual or if you require any further support The area Support will help you with many answers to frequently asked questions FAQs Furthermore the knowledgebase offers you a large reserve of information The latest drivers firmware utilities and documentation are constantly available for download In addition LANCOM Support is available For telephone numbers and contact addresses for LANCOM...

Page 7: ...tup 24 2 5 2 Which software should I install 24 3 Basic configuration 25 3 1 What details are necessary 25 3 1 1 TCP IP settings 25 3 1 2 Configuration protection 27 3 1 3 Settings for the wireless LAN 28 3 1 4 Settings for the DSL connection 29 3 1 5 Settings for the ISDN Connection 29 3 1 6 Charge protection 29 3 2 Instructions for LANconfig 30 3 3 Instructions for WEBconfig 31 3 4 TCP IP settin...

Page 8: ...ttings for TCP IP 53 6 1 3 Settings for IPX 54 6 1 4 Settings for NetBIOS routing 54 6 2 Settings on the dial in computer 55 6 2 1 Dialing in via VPN 55 6 2 2 Dialing in via ISDN 55 6 3 Instructions for LANconfig 56 6 4 1 Click VPN for LANCOM Advanced VPN Client 56 6 5 Instructions for WEBconfig 57 7 Fax transmission with LANCAPI 58 7 1 Installing the LANCOM CAPI Faxmodem 59 7 2 Installing the MS ...

Page 9: ... 9 3 Unwanted connections under Windows XP 69 9 4 Cable testing 69 10 Appendix 71 10 1 Performance data and specifications 71 10 2 Connector wiring 72 10 2 1 WAN interface 72 10 2 2 ADSL interface 72 10 2 3 ISDN S0 interface 73 10 2 4 Ethernet interface 10 100Base T 73 10 2 5 Configuration interface outband 74 10 3 Declaration of conformity 74 11 Index 75 ...

Page 10: ...ost common tech nology for broadband Internet connections Standard and almost ubiquitous telephone lines analog or DSL are the basis for DSL data transfer to the near est telephone exchange From here the data is passed directly on to the Inter net over high speed connections The asymmetric DSL variant ADSL was developed for applications where users receive large amounts of data but transmit only s...

Page 11: ...With the addi tional LANCOM VPN Option VPN support can be extended to 25 active tunnels incl activated hardware accelerator The following structure results when using the Internet instead of direct con nections All participants have fixed or dial up connections to the Internet Expensive dedicated lines are no longer needed All that is required is the Internet connection of the LAN in the headquar ...

Page 12: ... the case for conventional direct connections A single Internet access can be used to establish multiple simultaneous logical connections to a variety of remote sites The resulting savings and high flexibility makes the Internet or any other IP network an outstanding backbone for a corporate network What can your LANCOM Router do The following table contains a direct comparison of the properties a...

Page 13: ...n multi device mode or in point to point mode with auto matic D channel protocol identification Supports static and dynamic channel bundling per MLPPP and BACP as well as Stac data compression Hi fn Port for external modem analogue or GSM requires LANCOM modem adapter kit from LCOS 5 0 LAN connection 4 individual Fast Ethernet LAN ports switchable separately e g as LAN switch or separate DMZ ports...

Page 14: ... terminal programs SNMP interface and TFTP server function Remote configuration via ISDN with ISDN PPP connections e g via Win dows network and dial up connections Serial configuration interface Callback function with PPP authentication mechanisms for restriction to fixed ISDN telephone numbers FirmSafe with firmware versions for absolutely secure software upgrades Optional software extensions LAN...

Page 15: ...ng the installation In addition to the device itself the package should contain the following accessories If anything is missing please contact your retailer or the address stated on the delivery slip of the unit 2 2 System requirements Computers that connect to a LANCOM must meet the following minimum requirements LANCOM 821 LANCOM 1721 VPN LANCOM 1711 VPN Power adapter LAN connector cable green ...

Page 16: ...ur Flashing means that the LED lights up very briefly in the respective col our and stay then clearly longer approximately 10x longer switched off Inverse flashing means the opposite The LED lights permanently in the respective colour and is only briefly interrupted Flickering means that the LED is switched on and off in irregular inter vals Front side The various LANCOM Router models have differe...

Page 17: ... The power LED flashes red green in alternation until a configuration password has been specified Without a configuration password the configuration data of the LANCOM is insecure Under normal circum stances you would assign a configuration password during the basic configuration see instructions in the following chapter For informa tion about a later assignment of the configuration password see t...

Page 18: ...on select Reset Charge and Time Limits in the context menu right mouse click You can configure the connect charge settings in LANconfig under Management Costs you will only be able to access this configuration if Complete con figuration display is selected under View Options You will find the connect charge protection reset in WEBconfig and all parameters under Expert Configuration Setup Charges m...

Page 19: ...g the first connection Green Inverse flashing Opening an additional connection Green Permanently At least one logical connection is established Green Inverse flickering Data traffic send or receive off not connected green blinking Establishing first connection green invers flashing Establishing further connection green constantly on At least one connection established red constantly on Error while...

Page 20: ... connection established green Blinking Dialling green Flashing Establishing first connection green Inverse flashing Establishing further connection green Constantly on Connection established via B channel green Flickering Data traffic send or receive Off No networking device attached Green On perma nently Connection to network device operational not data traffic Green Flickering Data traffic Red F...

Page 21: ... connection Serial configuration port ISDN S0 port ADSL port Reset switch LANCOM 1711 VPN Voltage switch Connection for the included power adapter Switch with four 10 100Base Tx connections WAN port USB connection ISDN S0 port Serial configuration port Reset DC12V ETH3 ETH4 ETH2 ETH1 ISDN S0 ADSL Config USB COM not available on LANCOM 821 WAN USB ISDN S0 Reset DC 12 V Config COM ETH 1 ETH 2 ETH 3 ...

Page 22: ...presses the reset button too long With the suitable setting the behavior of the reset button can be controlled Reset button This option controls the behavior of the reset button when it is pressed Ignore The button is ignored Boot only With a suitable setting the behavior of the reset button can be controlled the button is then ignored or a press of the button prompts a re start only however long ...

Page 23: ...necting socket of your local network into a free socket of a hub switch or into the network socket of an individual PC The LAN connector identifies automatically the transfer rate 10 100 Mbps of the connected network device autosensing A parallel connec tion of devices with different speeds and types is possible You should never have more than one unconfigured LANCOM Router in a network segment at...

Page 24: ...c VPN Connect to power Connect socket of the unit to a power supply using the included power adapter Use the supplied power supply unit only Using an unsuitable power supply unit may cause damage or injury Operational After a short device self test the Power LED will be per manently lit Green LAN LEDs indicate the LAN sockets that have function ing connections Devices with integrated ADSL modem co...

Page 25: ...g selection menus will appear on screen 2 5 2 Which software should I install LANconfig is the Windows configuration program for all LANCOM routers and LANCOM access points WEBconfig can be used alterna tively or in addition via a web browser With LANmonitor you can use a Windows computer to monitor all of your LANCOM routers and LANCOM access points With Documentation you copy the documentation f...

Page 26: ...he end of this chapter we show you the necessary settings for the work place computers in the LAN so that they can access the device without prob lem 3 1 What details are necessary The Basic Settings Wizard is used to set the LANCOM VPN Routers basic TCP IP parameters and to protect the device with a configuration password The following description of the information required by the wizard is divi...

Page 27: ...ddress 172 23 56 254 network mask 255 255 255 0 The integrated DHCP server is also activated so that the LANCOM VPN Router can assign the devices in the LAN IP addresses automat ically Should you still configure manually Fully automatic TCP IP configuration is optional Instead of this you can select manual configuration Make this selection after considering the following Select automatic configura...

Page 28: ...g the role of gateway in the Server mode of operation DNS server Enter the IP address of a DNS server to resolve domain names if you have selected Off as the DHCP mode of operation or if another network device is assuming the role of DNS server in the Server mode of operation 3 1 2 Configuration protection Using a password secures access to the LANCOM VPN Router s configuration and thus prevents u...

Page 29: ... attempting to register with the network name ANY Selecting a radio channel The access point operates in a specific radio channel The radio channel is selected from a list of up to 13 channels in the 2 4 frequency band or up to 19 channels in the 5 GHz frequency band individual radio channels are blocked in some countries Please refer to the appendix for more details The channel and frequency rang...

Page 30: ...LAN coupling RAS but not for the remote configuration and LANCOM VPN Option A prefix to access the public telephone network It is normally only required when connecting via an ISDN PBX Usually this is a 0 This prefix is used for all outgoing calls Finally you should know whether the telephone company transmits an ISDN metering pulse This can be evaluated by the LANCOM Router for cost budgets and t...

Page 31: ...fig carrying out its device search To display these devices activate the option Search for managed APs If the search detects an unconfigured device the Setup Wizard launches to help you with its basic settings or indeed to handle the entire process on your behalf assuming that the appropriate networking environment exists If the Setup Wizard does not start automatically you can manually search for...

Page 32: ...are that releasing this option also allows remote configuration over the Internet Whichever option you select make sure that con figuration access is password protected Charge protection is a function which can place a limit on the costs from WAN connections Accept your entries with Next Close the configuration with Finish See the section TCP IP settings for PC workstations for information on the ...

Page 33: ...n either enable its own DHCP server or enable DHCP client mode In the second operating mode the device can retrieve an IP address for itself from a DHCP server in the LAN If a LANCOM Wireless Router or LANCOM Access Point is centrally managed from a LANCOM WLAN Controller the DHCP mode is switched from auto mode to client mode upon provision of the WLAN configuration Network without a DHCP server ...

Page 34: ...OM can be accessed with address x x x 254 the x s stand for the first three blocks in the IP address of the configuration computer Network with DHCP server If a DHCP server for the assignment of IP addresses is active in the LAN an unconfigured LANCOM device disables its own DHCP server switches to DHCP client mode and retrieves an IP address from the DHCP server in the LAN However this IP address...

Page 35: ...d out the IP address assigned to the LANCOM by DHCP and access the device directly using this IP address Use the serial configuration interface to connect a computer running a terminal program to the device Login When prompted for user name and password when accessing the device enter your personal data in the appropriate fields Observe the use of upper and lower case If you used the general confi...

Page 36: ...puters in the local network DNS server translates network and computer names into their actual IP addresses The LANCOM VPN Router can fulfill the functions of a standard gateway and also of a DNS server It can also operate as a DHCP server which automatically assigns IP addresses to all of the computers in the LAN The correct TCP IP configuration of a PC in the LAN depends essentially on the metho...

Page 37: ...o the PCs in the LAN as the standard gateway The DHCP server should also communicate that the LANCOM is the DNS server Manual IP address assignment If IP addresses in a network are statically assigned then the IP address of the LANCOM is to be set as the standard gateway and DNS server in the TCP IP configuration of each PC in the LAN Further information and help on the TCP IP settings for your LA...

Page 38: ... the UMTS profile The connection to the Internet provider can be established via any WAN con nector i e via DSL or ISDN where available Internet access via ISDN can be used to backup a DSL connection Which WAN interface Setting up the Internet access is carried out with the help of a convenient Wiz ard In the first step you select the WAN interface that is to be used for estab lishing the Internet...

Page 39: ...olling that detects inactive remote sites very quickly and in such cases can close the connection before the hold time expires In case of flatrate billing you can also set up line polling to monitor the function of the remote site Apart from that you can opt to keep flatrate connections permanently active keep alive In case a connection should fail it is re estab lished automatically Creating a ba...

Page 40: ...g up a backup connection Select the corresponding WAN interface to be used for the backup connection and enter the relevant access data for the Internet connection The Wizard then sets up the alternative Internet access and at the same time creates the necessary entries into the backup table and also in the PPP table for checking the Internet connection Please be aware that in the case of backup v...

Page 41: ...e main menu In the following windows you select your country your Internet provider if possible and you enter your access data Depending on availability the Wizard provides further options for your Internet connection The wizard will inform you as soon as the entries are complete Close the configuration with Finish LANconfig Fast starting of the Setup Wiz ards The fastest way of starting the Setup...

Page 42: ...ctivity must be configured Note that the configuration information at both ends must match The following instructions assume that LANCOM Routers are being operated at both ends It is possible to set up network connectivity between routers from other manufacturers However this mixed con figuration frequently requires far reaching modifications to both devices In cases like this refer to the Referen...

Page 43: ...ty is required via VPN simple method with pre shared keys and or via ISDN For further information on VPN based network connectivity by other methods refer to the LANCOM Reference Manual Connec tivity Entry Gateway 1 Gateway 2 VPN Does the remote site have an ISDN connec tion Yes No Yes No VPN Type of local IP address Static dynamic Static dynamic VPN Type of remote IP address Static dynamic Static...

Page 44: ...LANCOM the Wizard will ask you to enter a new name for your device Entering a name will cause your LANCOM to be renamed Ensure that you give different names to the two remote devices The name of the remote site is required for identifying the devices In the field ISDN number the telephone number of the remote ISDN site is specified Enter the full telephone number for the remote site including all ...

Page 45: ...ression improves transmission speeds without incurring extra costs This is the completely different to the bundling of two ISDN chan nels by MLPPP MultiLink PPP This doubles the bandwidth although this generally doubles the connection costs as well 5 1 2 Settings for the TCP IP router In the TCP IP network correct addressing is of extreme importance For net work connectivity it should be observed ...

Page 46: ... information VPN extranet In the case of LAN LAN connectivity via VPN you can mask the individual computers behind another IP address The operating mode referred to as extranet VPN enables computers to be made visible from the remote LAN not with their own IP address but with a freely definable address such as that of the VPN gateway This avoids giving stations in a remote LAN direct access to the...

Page 47: ...se network numbers must differ not only from one another but also from all IPX internal network numbers being used Furthermore it may be necessary to specify the frame type binding used in the remote LAN If a Novell server is operated in the remote network it is not necessary to specify the remote IPX network number or the binding In this case the only requirement is the manual entry of the networ...

Page 48: ...tructions for LANconfig Carry out the configuration on both routers one after the other Launch the Wizard Connect two local area networks Follow the Wizard s instructions and enter the necessary data The Wizard will inform you when the required information is complete You can then close the Wizard with Finish Once you have completed the set up of both routers you can start testing the network conn...

Page 49: ...ltiple routers to a central network In LANconfig mark the routers at branch offices which are to be coupled to a central router via VPN Use drag drop by mouse to place the devices onto the entry for the cen tral router Ping the quick test of a TCP IP con nection To test a TCP IP connection simply send a ping from your computer to a computer in the remote network Details on the ping command are ava...

Page 50: ... to intercommunicate The INTRANET at headquarters only is to be provided to the branch offices All private networks at the branch offices can also be connected to one another via headquarters All entries for the central device are made just once and are then stored to the device properties 5 4 Instructions for WEBconfig In WEBconfig VPN based network connectivity cannot be set up in the Wizard The...

Page 51: ...ormation is complete You can then close the Wizard with Next Once you have completed the set up of both routers you can start testing the network connection Try to communicate with a computer in the remote LAN e g with ping The LANCOM Router should automatically connect to the remote site and make contact to the requested computer ...

Page 52: ...e The dial in computer needs an ISDN adapter or an ISDN modem The protocol of data transfer is PPP This ensures that all normal devices and operating systems are supported Setting up dial in access is carried out with the familiar convenience of a Setup Wizard Security aspects Of course your LAN has to be protected from unauthorized access For this reason a LANCOM provides a range of security mech...

Page 53: ...ber The optional ISDN calling line ID is used by the LANCOM Router for additional user authentication This security function should not be employed if the user will be dialing in from various ISDN connections Connec tivity Entry VPN ISDN User name VPN ISDN Password VPN Shared Secret for encryption VPN Hide own stations when accessing remote network extranet VPN ISDN Incoming caller ID number of th...

Page 54: ...ure that the addresses are freely available in your local network In our example the PC is assigned with the IP address 10 0 1 101 when it dials in This IP address allows the PC to fully participate in the LAN With the appro priate rights it can access any other device in the LAN This relationship also applies in the other direction The remote PC can be access from the LAN The ISDN calling line ID...

Page 55: ...so from all IPX internal network numbers being used Furthermore it may be necessary to specify the frame type binding used in the remote LAN If a Novell server is operated in the remote network it is not necessary to specify the remote IPX network number or the binding In this case too a net work number for the WAN must be specified manually 6 1 4 Settings for NetBIOS routing When working with Net...

Page 56: ...were specified when setting up the RAS access in the LANCOM Router 6 2 2 Dialing in via ISDN A number of settings are required by the dial in computer This example is based on a Windows computer Dial Up Networking or any other PPP client installed correctly Network protocol TCP IP IPX installed and associated with the dial up adapter New connection in Dial Up Networking with the phone number of th...

Page 57: ...accesses for employees who dial into the network with the LANCOM Advanced VPN Client are very easy to set up with the Setup Wizard and exported to a file This file can then be imported as a profile by the LANCOM Advanced VPN Client All of the information about the LANCOM VPN Router s configuration is also included and then supplemented with randomly gener ated values e g for the preshared key Use ...

Page 58: ...N Combination of the name of the connection a sequential number and the internal domain in the LANCOM VPN Router Domain If defined in the LANCOM VPN Router the internal domain is used here or alternatively a a DynDNS name or IP address VPN IP networks All IP networks defined in the device as type Intranet Preshared key Randomly generated key 16 ASCII characters long Connection medium The LAN is us...

Page 59: ...h as fax answering machine online banking and Eurofile transfer Without any additional hardware every workstation can make use of the full range of ISDN functions provided via the network This completely dispenses with the need to equip workstations with expensive equipment such as ISDN adapters or modems The sole requirement is to install the office communication software on each workstation LANC...

Page 60: ...l This chap ter deals with installing and configuring the LANCOM CAPI Faxmodem and MS Windows Fax Service 7 1 Installing the LANCOM CAPI Faxmodem From the setup program on your LANCOM CD select the entry LANCOM software installation Select the option CAPI Faxmodem click on Next and follow the instruc tions of the installation routine Fax ISDN LANCOM with LANCAPI server PCs with fax software LANCAP...

Page 61: ...ax Service Go to the Control Panel and select the option Printers and faxes In the Printers and faxes window select the option Install a local fax printer Then follow the instructions provided by the installation tool In the current window an icon for the new fax printer appears To check the installation click with the right hand mouse key on the fax icon and select Properties The LANCOM CAPI Faxm...

Page 62: ... note you can use the MS Windows Fax Service itself Alternatively you can use any fax program 7 3 1 Sending faxes from an office application Open your document in the usual manner with your office application and select the menu item File Print Define the fax device as the printer Click on OK A Wizard is displayed that guides you through the rest of the procedure 7 3 2 Sending faxes with the Windo...

Page 63: ...COM 821 LANCOM 1711 VPN LANCOM 1721 VPN Chapter 7 Fax transmission with LANCAPI 62 EN The fax client console opens up Select the menu item Send file fax A Wizard guides you through the remaining procedure ...

Page 64: ...the device itself but for the entire network Your LANCOM offers password protected access to its configuration This is activated during the initial basic configuration simply by entering a password If the wrong password is entered a certain number of times the device auto matically blocks access to the configuration for a fixed period You can modify the critical number of attempts and also the dur...

Page 65: ...and remote networks The parameters for locking the configuration the number of incorrect password entries and the duration of the lock 8 2 The security checklist The following checklists provide an overview of all security settings that are important to professionals Most of the points in this checklist are uncritical for simple configurations In these cases the security settings in the basic conf...

Page 66: ... security mechanisms incl IP masquerading port filters access lists are active only for data connections that are trans mitted via the IP router Direct data connections via the bridge are not protected by the firewall Are you using a deny all firewall strategy Maximum security and control is initially achieved by denying all data traffic from passing the firewall The only connections to be accepte...

Page 67: ...IP address is entered with its associated netmask the filter is activated and only the IP addresses contained in this entry are entitled to make use of internal functions Further entries can be used to extend the circle of authorized parties The filter entries can describe individual computers or even entire networks The access list can be found in the LANconfig in the configuration area TCP IP on...

Page 68: ...ll cause the configuration to be deleted The configuration is not written to the non volatile flash memory A loss of power because the device has been relocated will cause the entire config uration to be deleted for further information see the reference manual Have you ensured that the reset button is safe from accidental configuration resets Some devices simply cannot be installed under lock and ...

Page 69: ...is physically connected Is the correct transmission protocol selected The transmission protocol is defined with the basic settings The Basic Settings Wizard actually sets the correct protocol for a wide variety of DSL providers If your DSL provider is unknown to the Wizard you have to set the protocol your self The protocol specified by your DSL provider should work without prob lem You can check ...

Page 70: ... how to increase the Windows size can be found in the Know ledge Base of the support section of the LANCOM web site www lancom eu 9 3 Unwanted connections under Windows XP Windows XP computers attempt to compare their clocks with a timeserver on the Internet at start up This is why when a Windows XP in the WLAN is started a connection to the Internet is established by the LANCOM To resolve this is...

Page 71: ...N statis tics Cable test results The results of the cable test for the individual interfaces are show up in a list The following results can occur OK Cable plugged in correctly line ok open with distance 0m No cable plugged in or interruption within less than 10 meters distance open with indication of distance Cable is plugged in but defect short circuited at the indicated distance Impedance error...

Page 72: ...rnal power supply Permitted power supplies NEST 12V 1A DC S Hohlstkr 2 1 5 5mm RoHS LANCOM item no 110524 Type identification on the power supply Type 15 2230S Housing 210 x 143 x 45 mm W x H x D rugged plastic case connectors on the rear side stackable provision for wall mounting Standards EU CE certification EN 55022 EN 55024 EN 60950 Environment temperature range Temperature range 0 C to 40 C a...

Page 73: ... 10 Appendix 72 EN 10 2 Connector wiring 10 2 1 WAN interface LANCOM 1711 VPN only 8 pin RJ45 socket 10 2 2 ADSL interface LANCOM 821 and LANCOM 1721 VPN only 6 pin RJ11 socket Connector Pin IAE 1 T 2 T 3 R 4 5 6 R 7 8 Connector Pin IAE 1 2 3 a 4 b 5 6 ...

Page 74: ...ppendix 73 EN 10 2 3 ISDN S0 interface 8 pin RJ45 socket ISO 8877 EN 60603 7 10 2 4 Ethernet interface 10 100Base T 8 pin RJ45 sockets ISO 8877 EN 60603 7 Connector Pin Line IAE 1 2 3 T 2a 4 R 1a 5 R 1b 6 T 2b 7 8 Connector Pin Line 1 T 2 T 3 R 4 5 6 R 7 8 ...

Page 75: ...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 in the appro priate product area on the LANCOM Systems web site www lancom eu Connector Pin Line 1 CTS 2 RTS 3 RxD 4 RI 5 TxD 6 DSR 7 DCD 8 DTR U GND ...

Page 76: ...nfiguration interface 13 Connector cable 14 Configuration password 64 Configuration port 20 Configuration protection 13 27 30 Connector wiring 72 ADSL interface 72 Configuration port 74 DSL interface 72 Ethernet interface 73 ISDN S0 interface 73 LAN interface 73 Outband 74 WAN interface 73 Cost budget 29 D Data frequencies 10 Default gateway 65 DHCP 35 DHCP server 11 26 36 Dial in access 51 Dial u...

Page 77: ... D channel 53 MSN 29 S0 port 20 ISDN calling line ID 44 52 53 ISDN connection Basic settings 29 ISDN leased line option 12 ISDN modem 51 ISDN number 43 ISDN PBX 29 ISDN S0 connection 12 L LAN Connector cable 14 LAN to LAN coupling 11 LANCAPI 12 29 LANCOM VPN Option 13 LANconfig 24 30 Starting the Wizards 40 LAN LAN connectivity 41 Required information 42 LAN LAN coupling 29 LANmonitor 24 LANtools ...

Page 78: ... Security settings wizard 63 Security checklist 64 Security settings 68 SNMP Configuration protection 65 Software installation 23 SSID 28 Standard gateway 35 Status display ETH 19 Power 16 Status displays Power 16 17 Support 5 Switch 20 System preconditions 14 System requirements 14 T TCP 66 TCP IP 15 55 Connect test 48 Settings 25 Settings to PCs in the LAN 35 Windows size 69 TCP IP configuration...

Page 79: ...LANCOM 821 LANCOM 1711 VPN LANCOM 1721 VPN Index 78 EN Windows workgroup search 47 ...

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