LANCOM 3550 Wireless
© 2006 LANCOM Systems GmbH, Wuerselen (Germany). All rights reserved. While the information in this manual has been compiled with great care, it may not be deemed an assurance of product characteristics. 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 permission by LANCOM Systems.
LANCOM 3550 Wireless Preface Preface The combination of UMTS/HSDPA, WLAN, DSL and VPN opens up a completely new range of possibilities in enterprise connectivity—for example, mobile conferen-ce rooms that are connected via UMTS/HSDPA and offer Internet access over WLAN or access to the company network via VPN. As a back-up connection for site coupling, UMTS/HSDPA is cheaper and faster than the conventional alternative, ISDN.
LANCOM 3550 Wireless Preface EN Systems design of the LCOS operating system 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 Further server services (DHCP, DNS, charge management) This documentation was compiled … ...
LANCOM 3550 Wireless Preface numbers and contact information for LANCOM Systems support can be found on a separate insert, or at the LANCOM Systems website. Notes symbols Very important instructions. If not followed, damage may result. EN Important instruction that should be followed. Additional instructions which can be helpful, but are not required.
LANCOM 3550 Wireless Contents Contents 1 Introduction 9 EN 1.1 What is a Wireless LAN? 9 1.1.1 Which hardware to use? 9 1.1.2 Operation modes of Wireless LANs and base stations 9 1.2 The advantages of the UMTS/HSPDA solution 1.2.1 “Last mile“ via UMTS/HSPDA 1.2.2 Mobile conference room 1.2.3 UMTS/HSPDA Backup 10 10 11 12 1.3 What can your LANCOM Router do? 14 2 Installation 2.1 Package contents 17 2.2 System preconditions 17 2.3 Status displays, interfaces an hardware installation 2.3.
LANCOM 3550 Wireless Contents 38 4.1 Instructions for LANconfig 39 4.2 Instructions for WEBconfig 39 5 Setting up the UMTS profile 41 5.1 Internet access 41 5.2 VPN site coupling 44 5.3 Other settings 5.3.1 Choosing the mobile telephone network 5.3.2 Activate UMTS/GPRS profile 5.3.3 UMTS/HSPDA only or automatic UMTS/HSPDA/GPRS selection 5.3.4 Set up a time limit 46 46 47 6 Point- to-point connections 6.1 Antenna alignment for P2P operations 48 49 50 51 6.2 Configuration 51 6.
LANCOM 3550 Wireless Contents EN 7 Security settings 7.1 Security for the Wireless LAN 7.1.1 Closed network 7.1.2 Access control via MAC address 7.1.3 LANCOM Enhanced Passphrase Security 7.1.4 Encryption of the data transfer 7.1.5 802.1x / EAP 7.1.6 IPSec over WLAN 56 56 57 57 58 59 60 7.2 Tips for handling keys 60 7.3 The security settings wizard 7.3.1 Wizard for LANconfig 7.3.2 Wizard for WEBconfig 61 61 62 7.4 The firewall wizard 7.4.1 Wizard for LANconfig 7.4.
LANCOM 3550 Wireless Chapter 1: Introduction 1 Introduction What is a Wireless LAN? The following sections describe the functionality of wireless networks in general. The functions supported by your device are listed in the table 'What can your LANCOM Router do?'. Detailed information on Wireless LANs can be found in the LCOS reference manual. A Wireless LAN connects single terminals (e.g. PCs or notebooks) to a local network (also LAN – Local Area Network).
LANCOM 3550 Wireless Chapter 1: Introduction EN Larger Wireless LANs, connection to LANs with one or more base stations (infrastructure network) 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) Relay function for connecting networks via multiple access points. 1.
LANCOM 3550 Wireless EN Chapter 1: Introduction Internet Internet connection over UMTS/HSPDA For a regular Internet connection over UMTS/HSPDA, various net providers offer so called “homezone“ tariffs. With this tariff the data transfer within the homezone radio cell is usually far below the costs of the usual mobile tariffs where the data card is used in multiple radio cells. 1.2.
LANCOM 3550 Wireless Chapter 1: Introduction Internet connection over UMTS/HSPDA EN Internet VPN connection to headquarters Mobile WLAN, e.g. for a „mobile conference room“. For a group of staff members, who e.g. often work together on projects at a customer’s location, a so-called mobile conference room can be established. The access point then only has to be configured once by the administrator; the staff members on location simply have to supply the device with power and slot in the data card.
LANCOM 3550 Wireless Chapter 1: Introduction Internet connection over DSL EN Internet VPN connection to headquarters Brach office with VPN over DSL and backup over UMTS/HSPDA Backup connection over UMTS/HSPDA As an alternative to the ISDN or analog backup method, a UMTS/HSPDA connection can assure the availability of the data connection.
LANCOM 3550 Wireless Chapter 1: Introduction EN LANCOM devices with more than one WAN interface (e.g. DSL and UMTS/ HSPDA interface) can be implemented flexibly in backup solutions. The backup event is triggered for example, when the default route is no longer available via the DSL interface. The device's UMTS/HSPDA interface can take its place further along in the backup chain should the the backup router also fail. Branch Headquarters Internet DSL UMTS/ HSPDA ISDN 1.
LANCOM 3550 Wireless Chapter 1: Introduction LANCOM 3550 Wireless UMTS/HSPDA function for minternet connection, as mobile conference room or as backup solution ✔ Wireless transmission by IEEE 802.11g / IEEE 802.11b or wireless transmission by IEEE 802.11a ✔ Simultaneous dual band operation possible with additional radio card ✔ Point-to-point mode (six P2P paths can be defined per WLAN interface) ✔ Relay function to link two P2P connections ✔ Turbo Mode: Double the bandwidth at 2.
LANCOM 3550 Wireless Chapter 1: Introduction LANCOM 3550 Wireless DHCP and DNS server ✔ EN Connection to the WAN WAN connection for DSL or cable modem ✔ UMTS/HSPDA connection via UMTS card in CardBus slot ✔ Internet access (IP router) Stateful Inspection Firewall ✔ Firewall filter (address, port) ✔ IP masquerading (NAT, PAT) ✔ Quality of Service ✔ VPN gateway 4 Digital certificates (X.509) incl.
LANCOM 3550 Wireless Chapter 2: Installation 2 Installation This chapter will assist you to quickly install hardware and software. First, check the package contents and system requirements. The device can be installed and configured quickly and easily if all prerequisites are fulfilled. Package contents Please check the package contents for completeness before starting the installation.
LANCOM 3550 Wireless Chapter 2: Installation 2.3 2.3.1 Status displays, interfaces an hardware installation Status display Meanings of the LEDs EN In the following sections we will use different terms to describe the behaviour of the LEDs: Blinking means, that the LED is switched on or off at regular intervals in the respective indicated colour. Flashing means, that the LED lights up very briefly in the respective colour and stay then clearly longer (approximately 10x longer) switched off.
LANCOM 3550 Wireless Chapter 2: Installation EN 쐃 Power 쐇 WLANLink Power This LED indicates that the device is operational. After the device has been switched on, it will flash green for the duration of the self-test. After the selftest, either an error is output by a flashing red light code or the device starts and the LED remains lit green.
LANCOM 3550 Wireless Chapter 2: Installation circumstances, you would assign a configuration password during the basic configuration (see instructions in the following chapter). EN Flashing Power-LED but no connection? There are three methods available for unlocking: Reset connect charge protection. Increase the limit that has been reached. Completely deactivate the lock that has been triggered (set limit to '0').
LANCOM 3550 Wireless Chapter 2: Installation LAN Link Condition of the LAN interface: off green network device connected; transfer rate 100 Mbps orange network device connected; transfer rate 100 Mbps (The device cannot function as directed, since a 10 Mbps fast connection is too slow for a 54 Mbps fast WLAN data transmission in the LAN.
LANCOM 3550 Wireless Chapter 2: Installation 쐃 Connector for main antenna (if necessary is here the spot to connect AirLancer Extender additional antennas) 쐇 Connection for the included power adapter 쐋 Reset switch – has two different functions depending on the length of time that it is pressed: EN Restarting the device (soft reset) – push the button for less than five seconds. The device will restart. Resetting the configuration (hard reset) – push the button for more than five seconds.
LANCOM 3550 Wireless Chapter 2: Installation To do so, pull the cable twice through the ferrite core so that a bow around the core results. (see illustrations). 햳 Antennas – Screw on the both included diversity antennas at the back of the LANCOM 3550 Wireless base station. 햴 LAN – You can first connect the LANCOM 3550 Wireless base station to your LAN.
LANCOM 3550 Wireless Chapter 2: Installation EN Power- over- Ethernet – elegant power supply through the LAN wiring LANCOM 3550 Wireless base stations are prepared for the PoE power supply (Power-overEthernet). PoE-enabled network devices can be comfortably supplied with power feeding through the LAN wiring. A separate external power supply for each base station is unnecessary, which reduces the the installation comInstallation of single devices plexity considerably.
LANCOM 3550 Wireless Chapter 2: Installation 2.6.1 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. In Setup select Install LANCOM Software. The following selection menus will appear on the screen: 2.6.2 Which software should you install? LANconfig is the configuration program for all LANCOM routers and LANCOM Router base stations.
LANCOM 3550 Wireless Chapter 2: Installation With LANCOM Online Documentation, you can copy the documentation files on your PC. EN Select the appropriate software options and confirm your choice with Next. The software is automatically installed.
LANCOM 3550 Wireless Chapter 3: Basic configuration 3 Basic configuration First, this chapter will tell you which information is required for the basic configuration. Use this section to assemble the information you will need before you launch the wizard. Next, enter the data in the setup wizard. Launching the wizard and the process itself are described step by step — with separate sections for LANconfig and WEBconfig.
LANCOM 3550 Wireless Chapter 3: Basic configuration Fully automatic TCP/IP configuration is only possible in certain network environments. The setup wizard therefore analyses the connected LAN to determine whether it supports fully automatic configuration. New LAN—fully automatic configuration possible EN If all connected network devices are still unconfigured, the setup wizard will suggest fully automatic TCP/IP configuration.
LANCOM 3550 Wireless Chapter 3: Basic configuration IP address and netmask for the LANCOM Router Assign a free IP address from the address range of your LAN to the LANCOM Router and specify the netmask. Enable DHCP server? Disable the DHCP server function in the LANCOM Router if you would like to have a different DHCP server assign the IP addresses in your LAN. Configuration protection EN 3.1.
LANCOM 3550 Wireless Chapter 3: Basic configuration By using the network name 'ANY', the mobile radio station will enrol in the next available Wireless LAN. The Wireless LAN can be „closed“ to prevent this procedure. In this case, no enrolment with the network name 'ANY' will be accepted. EN For standard, LANCOM base stations are responsive under the network name 'LANCOM'. The wireless basic configuration of a base station takes therefore place via this network name.
LANCOM 3550 Wireless Chapter 3: Basic configuration If you run the LANCOM Router via DSL access with a flat-rate tariff, you can set the maximum connecting-time in minutes. 3.2 In basic settings the charge protection is defined to maximum 600 minutes within seven days. Adapt this setting to your personal needs or deactivate the charge protection if you have arranged a flatrate with your provider.
LANCOM 3550 Wireless Chapter 3: Basic configuration 햴 Specify whether or not the router should act as a DHCP server. Make your selection and confirm with Next. 햵 In the following window, specify the password for configuration access. Note that the password is case-sensitive and ensure that it is sufficiently long (at least 6 characters). EN In addition, you may specify whether the device may only be configured from the local network or whether remote configuration via the WAN (i.e.
LANCOM 3550 Wireless Chapter 3: Basic configuration After powered on, unconfigured LANCOM devices check first, whether a DHCP server is already active in the LAN. Dependent on the situation, the device is able to switch on its own DHCP server or, alternatively, to activate its DHCP client mode. In this second operating mode, the device itself can obtain an IP address from a DHCP server already existing in the LAN.
LANCOM 3550 Wireless Chapter 3: Basic configuration EN then the device can be accessed by the name “LANCOM ” (e.g. “LANCOM-00a057xxxxxx”). The MAC address can be found on a label at the bottom of the device. If there is no DNS server in the LAN, or it is not linked to the DHCP server, then the device can not be reached by the name.
LANCOM 3550 Wireless EN Chapter 3: Basic configuration The setup wizards are tailored precisely to the functionality of the specific LANCOM Router. As a result, your device may offer different wizards than those shown here. If you have chosen automatic TCP/IP configuration, please continue with Step 햴. 햳 If you would like to configure the TCP/IP settings manually, assign an available address from a suitable address range to the LANCOM Router.
LANCOM 3550 Wireless Chapter 3: Basic configuration 햵 In the following 'Security settings' window, specify a password for configuration access. Note that the password is case-sensitive and ensure that it is sufficiently long (at least 6 characters). 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 network) is also permissible.
LANCOM 3550 Wireless Chapter 3: Basic configuration DNS server – translates network names (www.lancom.de) or names of computers (www.lancom.de) to actual IP addresses. The LANCOM Router can perform the functions of both a default gateway and a DNS server. In addition, as a DHCP server it can also automatically assign valid IP addresses to all of the computers in the LAN.
LANCOM 3550 Wireless Chapter 4: Setting up Internet access 4 Setting up Internet access EN 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 established via the WAN interface which is connected to an ADSL or cable modem. For models without WAN interface one LAN interface is configurted as DSLoL interface.
LANCOM 3550 Wireless Chapter 4: Setting up Internet access Active line monitoring can also be used with flat rate billing to continuously check the function of the remote station. You also have the option of keeping flat rate connections alive if required. Dropped connections are then automatically re-established. Instructions for LANconfig 햲 Highlight the LANCOM Router in the selection window. From the menu bar, select Tools Setup Wizard.
LANCOM 3550 Wireless Chapter 4: Setting up Internet access 햴 Depending on their availability, the wizard will display additional options for your Internet connection. EN 햵 The wizard will inform you as soon as the entered information is complete. Complete the configuration with Apply.
LANCOM 3550 Wireless Chapter 5: Setting up the UMTS profile 5 Setting up the UMTS profile Internet access The quickest way to set up Internet access via UMTS/HSPDA is to use the Internet Wizard in LANconfig. 햲 Highlight the LANCOM Router in the selection window. From the menu bar, select Tools Setup Wizard. 햳 From the menu, select the Setup Internet access wizard and click Next.
LANCOM 3550 Wireless EN Chapter 5: Setting up the UMTS profile 햵 If your provider does not appear in the list, you can enter the necessary connection data manually. You will need the APN (Access Point Name) and the appropriate telephone number in your provider's mobile telephone network. Your provider will supply this information to you upon request. 햶 To conclude the configuration of the Internet access, you can activate the "Keep alive" option.
LANCOM 3550 Wireless EN Chapter 5: Setting up the UMTS profile Even without an current connection, the active local networks are displayed in the 'UMTS/GPRS network' section. LANmonitor also indicates which networks are permitted and which networks the card cannot connect to. 햸 In the System information section, LANmonitor displays the recognized data card and the signal strength of the home network with which the card is connected to the Internet.
LANCOM 3550 Wireless Chapter 5: Setting up the UMTS profile EN 햹 As soon as the Internet connection has been established, the section for WAN connections in LANmonitor shows the network being used for the connection. 5.2 The status of the data card is also displayed by its LEDs and coded flashing signals. Refer to the documentation for your data card for information about the LED signals.
LANCOM 3550 Wireless Chapter 5: Setting up the UMTS profile EN connection can be established when using the main mode, adjust the method in the VPN connection list to "aggressive mode" in the appropriate profiles at both ends. To do this in LANconfig , go to the 'VPN' configuration area on the 'General' tab and select the relevant connection from the 'Connection list'. First set the dynamic VPN option to 'No dynamic VPN' 쐃 and then activate 'Aggressive Mode' 쐇 as the IKE exchange mode.
LANCOM 3550 Wireless Chapter 5: Setting up the UMTS profile EN To ensure that the VPN connection with the network at the headquarters is available on a continuous basis, set both the hold time for the Internet connection and the VPN hold time to '9,999' (keep alive). This is the only way to ensure that access from the headquarters to the UMTS-connected network is possible at all times (e.g. for connecting branches via UMTS where no broadband Internet access is available).
LANCOM 3550 Wireless Chapter 5: Setting up the UMTS profile EN The UMTS/GPRS profile settings are to be found in LANconfig in the configuration area 'Interface' on the 'WAN' tab with the UMTS/GPRS profile button. 5.3.2 The name of the network can be read from LANmonitor or, for example, by using Telnet under /Status/External-Interface/Network-List.
LANCOM 3550 Wireless Chapter 5: Setting up the UMTS profile EN 5.3.3 UMTS/HSPDA only or automatic UMTS/HSPDA/GPRS selection UMTS/HSPDA coverage is not yet universally available. It is still possible to establish a data connection even in areas without UMTS/HSPDA reception by selecting the 'automatic' operating mode. With this setting, the data card in the LANCOM will initially attempt to establish a connection via UMTS/HSPDA.
LANCOM 3550 Wireless Chapter 5: Setting up the UMTS profile Set up a time limit You can prevent excessive costs from arising from connections over the UMTS interface by setting up a time limit, for example under LANconfig in the 'Management' configuration area on the 'Costs' tab. EN 5.3.
LANCOM 3550 Wireless Chapter 6: Point- to- point connections 6 Point-to-point connections EN LANCOM Wireless access points serve not only as central stations within a wireless network, they can also operate in point-to-point mode to bridge longer distances. For example, they can provide a secure connection between two networks that are several kilometers apart—without direct cabling or expensive leased lines.
LANCOM 3550 Wireless Chapter 6: Point- to- point connections 6.1 It is imperative that the channel selection scheme is configured correctly if the point-to-point connections are to be encrypted with 802.11i/WPA. Antenna alignment for P2P operations The precise alignment of the antennas is of considerable importance in establishing a P2P path.
LANCOM 3550 Wireless Chapter 6: Point- to- point connections EN 햳 Activate the suitable point-to-point operation mode here and set the channel selection scheme to either 'Master' or 'Slave'. Enter the appropriate MAC address for the WLAN card at the remote station (maximum 6).
LANCOM 3550 Wireless Chapter 6: Point- to- point connections 6.
LANCOM 3550 Wireless Chapter 6: Point- to- point connections connection, WLAN-2 if you are using the second card, e.g. as with an access point with two WLAN modules). Activate the 802.11i encryption. Select the method '802.11i (WPA)-PSK'. Enter the passphrase to be used. EN The passphrases should consist of a random string at least 22 characters long, corresponding to a cryptographic strength of 128 bits.
LANCOM 3550 Wireless Chapter 6: Point- to- point connections 6.4.
LANCOM 3550 Wireless Chapter 7: Security settings 7 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. EN 7.1 Security for the Wireless LAN Reflecting on Wireless LANs often entails substantial doubts concerning security. Many people suppose that abuse of data transmitted via radio links is relatively simple.
LANCOM 3550 Wireless Chapter 7: Security settings 7.1.2 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. To do so, Access Control lists are available within the LANCOM base stations, in which the granted MAC addresses can be deposited.
LANCOM 3550 Wireless Chapter 7: Security settings 7.1.4 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. The function of the encryption is to ensure the security level of cable-bound LANs also in Wireless LANs. EN Use encryption on the data transferred in the WLAN. Activate the strongest possible encryption available to you ((802.
LANCOM 3550 Wireless Chapter 7: Security settings Standard WEP encryption The key consists of the first letter “L” followed by the LAN MAC address of the access point in ASCII characters. The LAN MAC addresses of the LANCOM devices always begin with the character string “00A057”. You will find the LAN MAC address on a sticker on the base of the device. Only use the number labeled as “MAC address” that starts with “00A057”.
LANCOM 3550 Wireless Chapter 7: Security settings Moreover, this technology makes enables a secured dispatch and a regular automatic change of WEP keys. In this way IEEE 802.1x improves the protection efforts of WEP. In Windows XP the IEEE-802.1x technology is already integrated by default. For other operating systems 802.1x client software is available. EN The drivers for the LANCOM AirLancer wireless cards already feature an integrated 802.1x client. 7.1.
LANCOM 3550 Wireless Chapter 7: Security settings 7.3 The security settings wizard Your LANCOM Router has a password protection for the configuration access. This protection is already activated during the basic configuration by entering a password. The device locks access to its configuration for a specified period of time after a certain number of failed log-in attempts. Both the number of failed attempts and the duration of the lock can be set as needed.
LANCOM 3550 Wireless Chapter 7: Security settings 햶 Now you can set the security settings for the WLAN. These include the name of the wireless network, the closed network function and the WEP encryption. You can type in the parameters for both wireless networks separately on devices with the option of a second WLAN interface. EN 햷 Now you specify filter lists for stations (ACL) accessing the WLAN and protocols. Thereby, you restrict data exchange between the wireless network and the local network.
LANCOM 3550 Wireless Chapter 7: Security settings 7.4.1 Wizard for LANconfig EN 햲 Mark your LANCOM Router in the selection window. Select from the command bar Extras Setup Wizard. 햳 Select in the selection menu the setup wizard Configuring Firewall and confirm your choice with Next. 햴 In the following windows, select the services/protocols the rule should be related to.
LANCOM 3550 Wireless Chapter 7: Security settings Have you assigned a password for the configuration? The simplest option for the protection of the configuration is the establishment of a password. As long as a password hasn't been set, anyone can change the configuration of the device. The box for entering the password is located in LANconfig in the 'Management' configuration area on the 'Security' tab.
LANCOM 3550 Wireless Have you activated the IP masquerading? IP masquerading is the hiding place for all local computers for connection to the Internet. Only the router module of the unit and its IP address are visible on the Internet. The IP address can be fixed or assigned dynamically by the provider. The computers in the LAN then use the router as a gateway so that they themselves cannot be detected. The router separates Internet and intranet, as if by a wall.
LANCOM 3550 Wireless Chapter 7: Security settings EN 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. LANCOM Systems recommends the strongest possible encryption by using 802.11i and AES. If the WLAN client adapters do not support these, then you should use TKIP or at least WEP.
LANCOM 3550 Wireless Chapter 7: Security settings The device's operation can be protected by various means; for example, it will cease to function if there is an interruption to the power supply, or if the device is switched on in another location. The scripting function can store the entire configuration in RAM only so that restarting the device will cause the configuration to be deleted. The configuration is not written to the non-volatile flash memory.
LANCOM 3550 Wireless Chapter 8: Options and accessories 8 Options and accessories Your LANCOM Router base station has numerous extensibilities and the possibility to use a broad choice of LANCOM accessories. You find in this chapter information about the available accessories and how to use them with your base station. EN The range of the base station can be increased by optional antennas of the LANCOM Wireless Router series and can be adapted to special conditions of environs.
LANCOM 3550 Wireless Chapter 8: Options and accessories these signals can be re-combined into a single signal. The most common methods are space diversity and polarization diversity. LANCOM Systems supplies a variety of polarization-diversity antennas as accessories for LANCOM Wireless Router. These models enable two orthogonally polarized signals to be received with a single antenna. Further information about this technique is available in our "Polarization Diversity" techpaper.
LANCOM 3550 Wireless Chapter 8: Options and accessories EN nisms for authentication and billing of single users (AAA - Authentication / Authorisation / Accounting). This lack remedies the LANCOM Systems Open User Authentication (OUA), the main part of the LANCOM Public Spot Option. The OUA procedure realizes the authentication of all wireless clients via user name and password, and checks the authorization of single users via RADIUS.
LANCOM 3550 Wireless Chapter 9: Troubleshooting 9 Troubleshooting In this chapter, you will find suggestions and assistance for a few common difficulties. PIN Handling Depending on the configuration, a LANCOM with UMTS/HSPDA function and an inserted data card tries to establish a connection to the Internet immediately after being switched on.
LANCOM 3550 Wireless EN Chapter 9: Troubleshooting Under WEBconfig or Telnet the UMTS/HSPDA/GPRS Profiles are located under the following directories: Configuration with WEBconfig or Telnet Konfigurationstool Menü/Tabelle WEBconfig Expert-Configuration Setup Interfaces UMTS-GPRSParameters Profiles Terminal/Telnet Setup/Interfaces/UMTS-GPRS-Parameters 햳 The next attempt with the valid PIN number should occur without error.
LANCOM 3550 Wireless EN Chapter 9: Troubleshooting 9.2 Usually a data card is supplied with the operating software from the net provider. With this software the PIN number of the SIM card can be changed whenever required. No DSL connection is established After start-up the router automatically attempts to connect to the DSL provider. During this process, the LAN-link LED will blink green. If successful, the LED will switch over to steady green.
LANCOM 3550 Wireless Chapter 9: Troubleshooting 9.3 DSL data transfer is slow EN The data transfer rate of an broadband (Internet) DSL connection is dependent upon numerous factors, most of which are outside of one's own sphere of influence. Important factors aside from the bandwidth of one's own Internet connection are the Internet connection and current load of the desired target. Numerous other factors involving the Internet itself can also influence the transfer rate.
LANCOM 3550 Wireless Chapter 10: Appendix 10 Appendix 10.1 Performance data and specifications LANCOM 3550 Wireless Connections 2400 - 2483,5 MHz (ISM) or 5150 - 5750 MHz LAN 10/100base-TX, autosensing, node/hub switch WAN 10/100base-TX, autosensing WLAN1 Two reverse SMA connections with antenna diversity WLAN2 32 bit cardbus interface for optional second radio card EN Frequency band Power supply 12V AC via external power supply adapter, or Power over Ethernet by IEEE 802.
LANCOM 3550 Wireless Chapter 10: Appendix 10.2 10.2.1 Contact assignment LAN interface, 10/100base-TX 8-pin RJ45 socket, as per ISO 8877, EN 60603-7 10.2.
LANCOM 3550 Wireless Chapter 10: Appendix 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 in the appropriate product area on the LANCOM Systems web site (www.lancom.de). EN 10.
LANCOM 3550 Wireless Chapter 11: Radio channel regulations for WLANs 11 Radio channel regulations for WLANs EN Information about approvals and notifications in various countries and the radio channel regulations can be found in the reference manual or on the LANCOM Systems web site (www.lancom-systems.com).
LANCOM 3550 Wireless Index Index 22 22 15, 56, 57, 58, 66 15, 56, 58 A ACL Anschlüsse Antenna Connector for diversity antenna Outdoor 22, Autosensing C Closed network Configuration access Configuration protection Connect charge protection Connector DSL or cable modem Connector for main antenna Connectors Contact assignment LAN interface WAN interface 57 21 22 68 23 15 32, 36 29 32, 36 22 22 21 76 76 76 D Default gateway 36 37 DHCP DHCP server 14, 28, 29, 32, 35, 37 17 Diversity antennas DNS 14, 37 DN
LANCOM 3550 Wireless Index IP masquerading IP router 16 14 Power adapter Power-over-Ethernet PPPoA Public Spot Option 17, 22 24 38 69 17 22 56 25 31 39 25 R RADIUS Relay function Remote configuration Reset Reset connect charge protection.
LANCOM 3550 Wireless Index 36 74 35 27, 28 27, 28 16, 65 75 15 73 15 U UDP 65 41 UMTS 48 automatically switch to GPRS Choosing the mobile telephone net46 work 71 incorrect PIN Internet access mobile conference room PIN handling time limit V VLAN VPN VRRP W WAN connector WEBconfig password System preconditions 15, 59, WEP WLAN Operating modes 15, 56, 57, 58, WPA 41 44 71 49 15 14 13 22 32 36 17 66 9 66 81 EN Settings to PCs in the LAN Windows size TCP/IP configuration Automatic fully automatic manua
