LANCOM Systems GmbH LANCOM L-320agn Wireless LANCOM L-321agn Wireless LANCOM L-321agn dual Wireless Adenauerstr. 20/B2 52146 Würselen Germany E-Mail: info@lancom.eu Internet www.lancom.eu . . . c o n n e c t i n g y o u r b u s i n e s s LANCOM L-320agn Wireless LANCOM L-321agn Wireless LANCOM L-322agn dual Wireless 쮿 110753/0909 쮿 Handbuch Manual 110xxx_LC-L32x-MANUAL_cover.indd1 1 16.03.
LANCOM L-320agn Wireless LANCOM L-321agn Wireless LANCOM L-322agn dual Wireless
© 2011 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 supplied with this product and the use of its contents is subject to written authorization from LANCOM Systems.
LANCOM L-32x Access Point series Preface Preface LANCOM L-320agn Wireless, LANCOM L-321agn Wireless and LANCOM L-322agn dual Wireless are professional access points that provide a maximum wireless LAN performance of up to 300 Mbps thanks to the support of the IEEE 802.11n standard. The access points operate either in the 2.4 GHz or in the 5 GHz frequency band. LANCOM L-322agn dual Wireless works with two integrated radio modules (two IEEE 802.11agn), both of which can operate simultaneously in the 2.
LANCOM L-32x Access Point series Preface Model restrictions Passages applying only to certain models are identified either in the text itself or by a comment in the margin. Otherwise the documentation refers to all models collectively as the L-32x Access Point series. Security settings EN To maximize the security available from your product, we recommend that you undertake all of the security settings (e.g.
LANCOM L-32x Access Point series Preface Wireless networks (WLAN) Backup solutions Further server services (DHCP, DNS, charge management) EN The Menu Reference Guide (also available at www.lancom.eu/download or on the CD supplied) describes all of the parameters in LCOS, the operating system used by LANCOM products. This guide is an aid to users during the configuration of devices by means of WEBconfig or the telnet console. This documentation was created by … ...
LANCOM L-32x Access Point series Contents Contents 1 Introduction 9 EN 1.1 What is a wireless LAN? 9 1.1.1 Modes of operation of wireless LANs and access points 10 1.2 Wireless LANs in accordance with 802.11n 1.2.1 Advantages of 802.11n 1.2.2 Compatibility with other standards 1.2.3 The physical layer 1.2.4 The MAC layer 10 10 11 11 18 1.3 What can your LANCOM do? 19 2 Installation 23 2.2 System requirements 2.2.1 Configuring the LANCOM devices 2.2.
LANCOM L-32x Access Point series Contents 45 4.1 Security in the wireless LAN 4.1.1 Encrypted data transfer 4.1.2 802.1x / EAP 4.1.3 LANCOM Enhanced Passphrase Security 4.1.4 Access control by MAC address 4.1.5 IPSec over WLAN 45 45 46 46 47 47 4.2 Tips for the proper treatment of keys and passphrases 48 4.3 Security settings Wizard 4.3.1 LANconfig Wizard 4.3.2 WEBconfig Wizard 48 49 50 4.4 The security checklist 50 5 Advanced wireless LAN configuration 55 5.
LANCOM L-32x Access Point series Contents 6 Setting up Internet access 6.1 The Internet Connection Wizard 6.1.1 Instructions for LANconfig 6.1.2 Instructions for WEBconfig EN 7 Options and accessories 79 80 80 81 82 7.1 Optional AirLancer Extender antennas 7.1.1 Antenna diversity 7.1.2 Polarization diversity 7.1.3 MIMO 7.1.4 Installing the AirLancer Extender antennas 83 83 84 84 84 7.2 LANCOM Public Spot Option 86 8 Advice & assistance 88 8.1 No WAN connection can be established 88 8.
LANCOM L-32x Access Point series Chapter 1: Introduction 1 Introduction What is a wireless LAN? The following sections describe the functionality of wireless networks in general. You can see from the table 'What your LANCOM can do' further below which functions your device supports. Please refer to the reference manual for further information on this topic. A wireless LAN connects individual end-user devices (PCs and mobile computers) to form a local network (also called – Local Area Network).
LANCOM L-32x Access Point series Chapter 1: Introduction 1.1.
LANCOM L-32x Access Point series Chapter 1: Introduction Improved and more reliable wireless coverage The new 802.11n technologies do not just increase date throughput but bring about improvements in the range and reduce the wireless dead spots in existing a/b/g installations. This results in better signal coverage and improved stability for significantly better utilization of wireless networks, in particular for users in professional environments.
LANCOM L-32x Access Point series Chapter 1: Introduction Modulation of digital data into analog carrier signals Modulation of the carrier signal into a radio signal in the selected frequency band, which for a wireless LAN is either 2.4 or 5 GHz. EN The second modulation step in IEEE 802.11n occurs in the same way as in conventional wireless LAN standards and is therefore not covered here. However, there are a number of changes in the way digital data are modulated into analog signals in 802.11n.
LANCOM L-32x Access Point series Chapter 1: Introduction Gross bandwidth Payload rate for 802.11a/b/g: 1/2 Checksum Payload data EN Payload rate for 802.11a/b/g: 3/4 Maximum payload rate for 802.11n: 5/6 These two features increase the maximum useable bandwidth of 54 Mbps for 802.11a/g to 65 Mbps for 802.11n.
LANCOM L-32x Access Point series Chapter 1: Introduction EN by the surrounding surfaces causing a broadcast signal to reach the WLAN client's antenna over many different paths; this is also referred to as "multipath propagation". Each of these paths has a different length meaning that individual signals reach the client with a different time delay. Access Point WLAN-Client These time-delayed signals interfere with each other at the WLAN client and significantly weaken the original signal.
LANCOM L-32x Access Point series Chapter 1: Introduction MIMO AP 802.11n B 1 MIMO Client 802.11n 2 MIMO thus allows the simultaneous transmission of several signals over one shared medium, such as the air. Individual transmitters and receivers must be positioned a minimum distance apart from one another, although this is just a few centimeters. This separation results in differing reflections and signal paths that can be used to separate the signals.
LANCOM L-32x Access Point series Chapter 1: Introduction EN antennas. In order to transmit two data streams in parallel, special antennas are employed that use polarization channels turned through 90° to each other. These so-called "dual-slant" antennas are really two antennas in one housing. Since a third signal does not offer additional reliability, outdoor applications generally use as many antennas (or polarization channels) as there are data streams for transmission. Building MIMO AP 802.
LANCOM L-32x Access Point series Chapter 1: Introduction second channel remains optional throughout, with transmitter and receiver deciding dynamically whether one or two channels should be employed. Extension channel EN Control channel 20 MHz 20 MHz As the implementation of 40 MHz with separate control and extension channels is more efficient in the 802.11n standard than in the conventional turbo mode, more than double the amount of carrier signals can be obtained (108 in total).
LANCOM L-32x Access Point series Chapter 1: Introduction Transmitting data in shorter intervals thus increases the maximum data throughput when using improved OFDM modulation, two parallel data streams and transmission at 40 MHz to 300 Mbps. 1.2.4 The MAC layer Frame aggregation EN The improvements in the physical layer brought about by the new 802.11n initially describe only the theoretical data throughput of the physical medium.
LANCOM L-32x Access Point series Chapter 1: Introduction Block acknowledgement Two different methods are used for frame aggregation. These are not explained in detail here, but they differ in the way aggregated frames are acknowledged. Mac Service Data Units Aggregation (MSDUA) combines several Ethernet packets together to form one common wireless LAN packet. This packet is acknowledged only once and the acknowledgment is valid for all aggregated packets.
LANCOM L-32x Access Point series EN Chapter 1: Introduction LANCOM L-320agn Wireless LANCOM L-321agn Wireless LANCOM L-322agn dual Wireless DHCP and DNS server (for LAN and WLAN) ✔ ✔ ✔ N:N mapping for routing networks with the same IP-address ranges over VPN ✔ ✔ ✔ Policy-based routing ✔ ✔ ✔ Backup solutions and load balancing with VRRP ✔ ✔ ✔ PPPoE Server ✔ ✔ ✔ WAN RIP ✔ ✔ ✔ Spanning Tree protocol ✔ ✔ ✔ Layer 2 QoS tagging ✔ ✔ ✔ Wireless transmission by IEEE 802.
LANCOM L-32x Access Point series Chapter 1: Introduction LANCOM L-321agn Wireless LANCOM L-322agn dual Wireless WEP encryption (up to 128 Bit key length, WEP152) ✔ ✔ ✔ IEEE 802.1x/EAP ✔ ✔ ✔ MAC address filter (ACL) ✔ ✔ ✔ Individual passphrases per MAC address (LEPS) ✔ ✔ ✔ Closed network function ✔ ✔ ✔ Integrated RADIUS server ✔ ✔ ✔ VLAN ✔ ✔ ✔ Intra-Cell Blocking ✔ ✔ ✔ WLAN QoS (IEEE 802.
LANCOM L-32x Access Point series Chapter 1: Introduction LANCOM L-320agn Wireless LANCOM L-321agn Wireless LANCOM L-322agn dual Wireless Configuration with LANconfig or with web browser, additionally terminal mode for Telnet or other terminal programs, SNMP interface and TFTP server function., SSH connection.
LANCOM L-32x Access Point series 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 L-32x Access Point series Chapter 2: Installation 2.2.2 Operating access points in managed mode LANCOM Wireless Routers and LANCOM Access Points can be operated either as self-sufficient Access Points with their own configuration ("Access Point mode“) or as components in a WLAN infrastructure, which is controlled from a central WLAN-Controller ("managed mode"). EN 2.
LANCOM L-32x Access Point series Chapter 2: Installation EN Power WLAN-Link Power This LED provides information on the device's operating state. Off Device switched off Green blinking Self-test after power-up Green On (permanently) Device operational Red/green Blinking alternately Device insecure: Configuration password not set Orange/green In the housing cover; blinking alternately with the online LED At least one WLAN module is in managed mode and has not found a WLAN Controller yet.
LANCOM L-32x Access Point series Chapter 2: Installation EN If the power LED blinks red and no WAN connections can be established, there is no cause for concern. This merely means that a pre-set charge or time limit has been reached. Power Power The power LED is blinking and no connection can be made? Signal that a charge or time limit has been reached There are three ways to remove the lock: Reset the toll protection. Increase the limit. Deactivate the lock completely (set limit to '0').
LANCOM L-32x Access Point series Chapter 2: Installation The following can be displayed for WLAN data: ETH Green Flickering TX data traffic. Red Flickering Error in wireless LAN (TX error, e.g. transmission error due to a poor connection) Red Blinking Hardware error in the WLAN module Off 2.
LANCOM L-32x Access Point series Chapter 2: Installation LANCOM L-321agn Wireless additionally provides two connectores for external antennas: Model example: LANCOM L-321agn Wireless Main Ant 1 Ant 2 Reset Config (COM) ETH 1 (10/100/1000) EN Connector for the 2nd external antenna Connector for the 1st external antenna The LANCOM L-322agn dual Wireless provides the following connectors: LANCOM L-322agn dual Wireless Main WLAN 2 Ant 2 WLAN 2 Ant 1 WLAN 1 Ant 2 WLAN 1 Ant 1 Reset Config
LANCOM L-32x Access Point series Chapter 2: Installation Reset switch Connector for antenna 1 at the 1st WLAN module. The reset button offers two basic functions—boot (restart) and reset (to the factory settings)—which are called by pressing the button for different lengths of time. It is not always possible to install a device under lock and key.
LANCOM L-32x Access Point series Chapter 2: Installation presses the reset button too long. You can define the behavior of the reset button with a setting in WEBconfig (LCOS menu tree Setup Config): Reset button This option controls the behavior of the reset button when it is pressed: EN Ignore: The button is ignored.
LANCOM L-32x Access Point series Chapter 2: Installation Antennas – screw the antennas supplied to the back of the L-32x Access Point. Depending on how the antennas are to be used, the 'Antenna Grouping' parameter may need to be configured in order provide the desired MIMO behavior (→'Advanced Wireless LAN Configuration'). Antennas are only to be attached or changed when the device is switched off.
LANCOM L-32x Access Point series Chapter 2: Installation EN LAN interface: Can be used exclusively or in parallel for DSLoL. There are basically two possibilities for using the access point for DSLoL operation. Use exclusive mode when you wish to connect the device directly to the DSL modem. Use automatic mode when you wish to connect it to a hub or switch on a wired LAN and the hub (or switch) is connected to the DSL modem.
LANCOM L-32x Access Point series Chapter 2: Installation Starting the software setup Place the product CD into your drive. The setup program will start automatically. If the setup does not start automatically, run AUTORUN.EXE in the root directory of the LANCOM CD. In Setup, select Install software. The following selection menus will appear on screen: 33 EN 2.7.
LANCOM L-32x Access Point series Chapter 2: Installation 2.7.2 Which software should I install? LANconfig is the Windows configuration program for all LANCOM routers and LANCOM access points. WEBconfig can be used alternatively or in addition via a web browser. EN With LANmonitor you can use a Windows computer to monitor all of your LANCOM routers and LANCOM access points. WLANmonitor enables the observation and surveillance of wireless LAN networks.
LANCOM L-32x Access Point series Chapter 3: Basic configuration 3 Basic configuration The basic configuration is conducted with a convenient Setup Wizard that provides step-by-step guidance through the configuration and that requests any necessary information. Unconfigured LANCOM Access Points with standard factory settings cannot be commissioned by means of the WLAN interface. First of all this chapter presents the information that has to be entered for the basic configuration.
LANCOM L-32x Access Point series Chapter 3: Basic configuration Protecting the configuration Wireless LAN details Security settings 3.1.1 TCP/IP settings EN TCP/IP configuration can be performed in two different ways: Either fully automatically or manually. No user input is required if TCP/IP configuration is performed automatically. All parameters are set by the Setup Wizard on its own.
LANCOM L-32x Access Point series Chapter 3: Basic configuration for example '10.0.0.1' with a network mask of '255.255.255.0'). If you do this you simultaneously specify the address range that the DHCP server will subsequently use for the other devices in the network (provided the DHCP server is activated). When performing manual TCP/IP configuration the Setup Wwizard prompts you for the following information: DHCP mode of operation Off: The IP addresses required must be entered manually.
LANCOM L-32x Access Point series Chapter 3: Basic configuration 3.1.3 In the managed mode the LANCOM Wireless Routers and LANCOM Access Points automatically receive the same root password as the WLAN-Controller, assuming that no root password has been set in the device itself. Settings for the wireless LAN EN There is a handy installation wizard to help you with the LANCOM Access Point's wireless LAN configuration.
LANCOM L-32x Access Point series Chapter 3: Basic configuration If you choose automatic TCP/IP configuration, you can continue with step . Give the LANCOM an address from the applicable IP address range. Confirm with Next. You also define whether the device can be configured from the local network only, or if remote configuration via WAN (i.e.. from a remote network) is to be permitted. Be aware that releasing this option also allows remote configuration over the Internet.
LANCOM L-32x Access Point series Chapter 3: Basic configuration Accessing the device with WEBconfig EN To carry out a configuration with WEBconfig, you need to know how to contact the device. Device behavior and accessibility for configuration via a Web browser depend on whether the DHCP server and DNS server are active in the LAN already, and whether these two server processes share the assignment in the LAN of IP addresses to symbolic names.
LANCOM L-32x Access Point series EN Chapter 3: Basic configuration If the configuration computer does not retrieve its IP address from the LANCOM DHCP server, it determines the current IP address of the computer (with Start Run cmd and command ipconfig at the prompt under Windows 2000 or Windows XP or Windows Vista, with Start Run cmd and command winipcfg at the prompt under Windows Me or Windows 9x, or with command ifconfig in the console under Linux).
LANCOM L-32x Access Point series Chapter 3: Basic configuration be reached under name e.g. “LANCOM-00a057xxxxxx”. "LANCOM-", EN http://LANCOM-00a05700094A The MAC address on a sticker on the base of the device. If there is no DNS server in the LAN, or if it is not coupled to the DHCP server, the device cannot be reached via the name.
LANCOM L-32x Access Point series EN Chapter 3: Basic configuration Setup Wizards The setup Wizards allow quick and easy configuration of the most common device settings. Select the Wizard and enter the appropriate data on the following screens. 3.4 The settings are not stored in the device until inputs are confirmed on the last screen of the Wizard. TCP/IP settings for PC workstations It is extremely important to assign the correct addresses to all of the devices in the LAN.
LANCOM L-32x Access Point series Chapter 3: Basic configuration DNS server – translates network and computer names into their actual IP addresses. The L-32x Access Point 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.
LANCOM L-32x Access Point series Chapter 4: Security settings 4 Security settings Your LANCOM features numerous security functions. This chapter provides you with all of the information you need to optimally protect your device. You can carry out the configuration of security settings very quickly and conveniently with the Security Wizards in LANconfig and WEBconfig. EN 4.1 Security in the wireless LAN Wireless LANs are potentially a significant security risk.
LANCOM L-32x Access Point series Chapter 4: Security settings EN The passphrases for 802.11i or WPA do not have to be changed quite so regularly as new keys are generated for each connection anyway. This is not the only reason that the encryption with 802.11i/AES or WPA/TKIP is so much more secure than the now obsolete WEP method. If you use WEP encryption to maintain compatibility with older WLAN clients, regularly change the WEP key in your access point.
LANCOM L-32x Access Point series Chapter 4: Security settings third-party products is assured as LEPS only involves configuration in the access point. 4.1.4 Guest access with LEPS: LEPS can also be set up to allow access to guests. To this end, all users of the internal WLAN network are given individual passphrases. Guests can make use of their own dedicated SSID and a global passphrase. To avoid abuse, the this global passphrase can be changed on a regular basis—every few days, for example.
LANCOM L-32x Access Point series Chapter 4: Security settings 4.2 Tips for the proper treatment of keys and passphrases By observing a few vital rules on the treatment of keys you can significantly increase the security of encryption techniques. EN Keep your keys as secret as possible. Never write down a key. Popular but completely unsuitable are, for example: Notebooks, wallets and text files on the computer. Do not pass on a key unless it is absolutely necessary. Choose a random key.
LANCOM L-32x Access Point series Chapter 4: Security settings LANconfig Wizard Mark your LANCOM in the selection window. From the command line, select Extras Setup Wizard. EN 4.3.1 In the selection menu, select the Setup Wizard, Check security settings and confirm the selection with Next. In the dialogs that follow you can set the password and select the protocols to be available for accessing the configuration from local and remote networks.
LANCOM L-32x Access Point series Chapter 4: Security settings 4.3.2 WEBconfig Wizard With WEBconfig you have the option to launch the Check security settings Wizard to check and change any settings.
LANCOM L-32x Access Point series Chapter 4: Security settings The LANCOM Enhanced Passphrase Security (LEPS) uses an additional column in the ACL to assign an individual passphrase consisting of any 4 to 64 ASCII characters to each MAC address. The connection to the access point and the subsequent encryption with IEEE 802.11i or WPA is only possible with the right combination of passphrase and MAC address.
LANCOM L-32x Access Point series Chapter 4: Security settings Have you activated the firewall? The stateful inspection firewall of LANCOM devices ensures that you local network cannot be attacked from the outside. Activate the firewall in LANconfig under 'Firewall/QoS' on the 'General' tab. EN Note that firewall security mechanisms (incl. IP masquerading, port filters, access lists) are active only for data connections that are transmitted via the IP router.
LANCOM L-32x Access Point series Have you excluded certain stations from accessing the device? A special filter list can be used to limit access to the device's internal functions via TCP/IP. The phrase "internal functions" refers to configuration sessions via LANconfig, WEBconfig, Telnet or TFTP. As standard this table contains no entries, meaning that computers with any IP address can use TCP/IP and Telnet or TFTP to commence accessing the device.
LANCOM L-32x Access Point series Chapter 4: Security settings power because the device has been relocated will cause the entire configuration to be deleted (for further information see the reference manual). EN Have you ensured that the reset button is safe from accidental configuration resets? Some devices simply cannot be installed under lock and key. There is consequently a risk that the configuration will be deleted by mistake if a coworker presses the reset button too long.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration 5 Advanced wireless LAN configuration The configuration of the LANCOM Access Points for your wireless LAN is conducted with the aid of highly convenient installation wizards. 5.1 EN The settings include the general, far-reaching parameters and also the individual settings for one or more logical wireless LAN networks (WLAN radio cells or SSIDs).
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration WLAN module operation The WLAN modules can be operated in various operating modes: EN As a base station (Access Point mode), the device makes the link between WLAN clients and the cabled LAN. Parallel to this, point-to-point connections are possible as well.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Point- to-point settings The configuration of P2P connections involves setting not only the operating mode but also the station name that the Access Point can connect to. Also, the role as "Master" or "Slave" is set here. For further information please refer to section →Point-to-point connections. 5.2 Special wireless LAN parameters for 802.11n You can use special parameters to adjust the operation of the 802.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Double bandwidth (40 MHz channels) A wireless LAN module normally uses a frequency range of 20 MHz in which data to be transmitted is modulated to the carrier signals. 802.11a/ b/g use 48 carrier signals in a 20 MHz channel. The use of double the frequency range of 40 MHz means that 96 carrier signals can be used, resulting in a doubling of the data throughput. EN 802.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration polarization-diversity antennas and one with normal outdoor antennas with a single antenna connector). With the 'Auto' setting all spatial streams that are supported by the wireless LAN module in question are used. Modulation Coding Scheme (MCS) A specific MCS number denotes a unique combination from the modulation of the individual carriers (BPSK, QPSK, 16QAM, 64QAM), coding rate (i. e.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration when the connection is established depending on the current conditions and may be adapted during the connection if required. This also defines the maximum attainable data throughput, indicated in the last column of the table (here for the short guard interval GI = 0.4 μs using the 40 MHz channel). EN Short guard interval This option is used to reduce the transmission pause between two signals from 0.8 μs (default) to 0.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration EN You can find 802.11n parameter configuration for individual wireless LAN networks in LANconfig under Wireless LAN General Logical WLAN Settings Transmission. You can find these parameters in WEBconfig or telnet under LCOS Menu Tree Setup Interfaces WLAN Transmission. 5.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration BUILDING BUILDING ACCESS POINT EN ANTENNA WLAN Router ANTENNA BUILDING ANTENNA ACCESS POINT When using Access Points and appropriately polarized antennas in accordance with IEEE 802.11n two wireless links can be established simultaneously between the end points of a point-to-point connection. This allows higher data throughput to be achieved or greater distances to be covered than when using other standards.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Selection of antennas using the LANCOM Antenna Calculator After selecting your components (access points, antennas, lightning protection and cable) the calculator works out the data rates, ranges, and the antenna gain settings that have to be entered into the access point.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Positioning the antennas EN Antennas do not broadcast their signals linearly, but within an angle that depends on the model in question. The spherical expansion of the signal waves produces amplification or interference of the effective power output at certain distances along the connection between the transmitter and receiver. The areas where the waves amplify or cancel themselves out are known as Fresnel zones.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration R = 0.5 * √(λ * d) The wavelength in the 2.4 GHz band is approx. 0.125 m, in the 5 GHz band approx. 0.05 m. To ensure that the Fresnel zone 1 remains unobstructed, the height of the antennas must exceed that of the highest obstruction by this radius.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Amplification with antenna gain Free-space loss Amplification with antenna gain EN ANTENNA SA-5L ADMINISTRATION 5.3.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration EN The display of signal quality on the LEDs must be activated for the wireless LAN interface (LANconfig: Wireless LAN General Physical WLAN settings Operation). The faster the LED blinks the better the connection (a blinking frequency of 1 Hz represents a signal quality of 10 dB, double the frequency indicates that the signal strength is twice as high).
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Are both antennas approximately aligned? The basic P2P connection has to be working before fine-tuning can be performed with the aid of LANmonitor. EN Once signal monitoring has commenced, the P2P dialog displays the absolute values for the current signal strength and the maximum value since starting the measurement. The development of the signal strength over time and the maximum value are displayed in a diagram, too.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Master: This access point takes over the leadership when selecting a free WLAN channel. Slave: All other access points will search for a channel until they have found a transmitting Master. MASTER ANTENNA SLAVE ANTENNA SLAVE ANTENNA Thus it is recommended for the 5 GHz band that one central access point should be configured as 'Master' and all other point-to-point partners should be configured as 'Slave'. In the 2.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Click on the button Physical WLAN settings to open the corresponding WLAN interface and select the tab for 'Point-to-Point'. Activate the suitable point-to-point operation mode here and set the channel selection scheme to either 'Master' or 'Slave'. If the peers of the P2P connections are to be identified via their station names, then enter a unique name for this WLAN station.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Please observe that only the MAC addresses of the WLAN cards at the other end of the connections are to be entered here! Not the access point's own MAC address, and not the MAC addresses from any other interfaces that may be present in the access points. You will find the WLAN MAC address on a sticker located under each of the antenna connectors. Only use the string that is marked as the "WLAN MAC" or "MAC-ID".
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration EN LANconfig: Wireless LAN General Point to point partners WEBconfig: Setup Interfaces WLAN interpoint peers 5.3.6 Access points in relay mode Access points equipped with two wireless modules can be used to establish wireless bridges across multiple stations. Each wireless module is configured as a 'Master' and then 'Slave' in turn.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration Encryption with 802.11i/WPA To activate the 802.11i encryption for a correctly configured P2P connection, adjust the settings for the first logical WLAN network in the appropriate WLAN interface (i.e. WLAN-1 if you are using the first WLAN module for the P2P connection, WLAN-2 if you are using the second module, e.g. as with an access point with two WLAN modules). EN Activate the 802.11i encryption.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration and the passphrase and MAC address become known, all other WLAN connections secured by LEPS remain secure. EN When using LANconfig for the configuration, you enter the passphrases of the stations approved for the WLAN in the configuration area 'Wireless LAN' on the 'Stations' tab under the button Stations. 5.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration PRINTER WLAN device in client mode ACCESS POINT WLAN device in client mode EN SERVER ACCESS POINT LAN PC ACCESS POINT WLAN device in AP mode LAPTOP/W-LAN 5.4.1 Multiple WLAN clients can register with a WLAN device in AP mode, which is not the case for a WLAN device in client mode.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration In 'Scan bands', define whether the client station scans just the 2.4 GHz, just the 5 GHz, or all of the available bands to locate an access point. 5.4.2 Set the SSID of the available networks In the WLAN clients, the SSIDs of the networks to which the client stations are to connect must be entered. EN To enter the SSIDs, change to the 'General' tab under LANconfig in the 'Wireless LAN' configuration area.
LANCOM L-32x Access Point series EN Chapter 5: Advanced wireless LAN configuration Enable encryption and match the encryption method to the settings for the access point. In WLAN client operating mode, the LANCOM Access Points and LANCOM Wireless Routers can authenticate themselves to another access point using EAP/802.1X. For this, select the desired client EAP method here.
LANCOM L-32x Access Point series Chapter 5: Advanced wireless LAN configuration can gather information on other available access points prior to the connection being lost. In this case the client is not switched to another access point once the existing connection has been lost completely, but rather when another access point within its range has a stronger signal. To enable soft roaming in WEBconfig or telnet, change to Setup > Interfaces > WLAN > Roaming and select the physical WLAN interface.
LANCOM L-32x Access Point series Chapter 6: Setting up Internet access 6 Setting up Internet access EN The LANCOM provides a central point of Internet access for all of the computers in the LAN. For models not equipped with a WAN connector, a LAN interface is configured as a DSLoL connector and is connected to a compatible ADSL modem.
LANCOM L-32x Access Point series Chapter 6: Setting up Internet access 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-established automatically. The Internet Connection Wizard EN 6.1 6.1.1 Instructions for LANconfig Mark your device in the selection window.
LANCOM L-32x Access Point series Chapter 6: Setting up Internet access Instructions for WEBconfig Select the entry Set up Internet connection from the 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. 81 EN 6.1.
LANCOM L-32x Access Point series Chapter 7: Options and accessories 7 Options and accessories Your LANCOM device 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 AirLancer series and can be adapted to special conditions of environs.
LANCOM L-32x Access Point series Chapter 7: Options and accessories 7.1 Optional AirLancer Extender antennas 7.1.1 You will also find further information on calculating the best configuration for AirLancer Extender antennas and third-party antennas that you wish to connect to the device in the LANCOM Antenna Calculator, which can be downloaded from our Web site at www.lancom.eu.
LANCOM L-32x Access Point series Chapter 7: Options and accessories data and proceeds to use the same unit for the transmission to the client. Antenna diversity ensures that the various clients associated with the Access Point always use the send/receive unit with the best signal. 7.1.2 Polarization diversity EN Other diversity techniques process the two signals and combine them into a single signal. The most common methods are space diversity and polarization diversity.
LANCOM L-32x Access Point series Chapter 7: Options and accessories Wireless, 1 + 3 are always used. External antennas cannot be connected to Antenna 2. Please note the following when connecting antennas: Antenna connector 1 must always be used. Depending on the model, mounting and cabling, the second antenna may be connected either to connector 2 or connector 3. The configuration of the device software must agree with the actual antenna connections.
LANCOM L-32x Access Point series Chapter 7: Options and accessories 7.2 LANCOM Public Spot Option Wireless Public Spots are publicly accessible areas where users can use their own mobile computers to access a wireless network (such as a company network or the Internet). EN Please note that operating a L-32x Access Point with the LANCOM Public Spot Option (also referred to as a HotSpot) can be subject to legal regulation in your country.
LANCOM L-32x Access Point series Chapter 7: Options and accessories restaurants, cafes, airports, railway stations, exhibition grounds or universities. Authentication Authorization, Accounting INDUSTRY HTTP/HTTPS ACCESS POINT LAPTOP ACCESS POINT EN RADIUS RADIUS SERVER INTERNET ROUTER The LANCOM Public Spot Option equips an access point with these functions and upgrades it to a wireless Public Spot.
LANCOM L-32x Access Point series Chapter 8: Advice & assistance 8 Advice & assistance See this chapter for first-aid assistance if some of the typical problems should occur. 8.1 No WAN connection can be established EN After starting, the router attempts automatically to connect to the Internet provider. During this phase, the Internet-connection status LED blinks green. If successful, this LED switches to constant green. If contact cannot be made, the WAN LED does not illuminate.
LANCOM L-32x Access Point series Chapter 8: Advice & assistance Increasing the TCP/IP window size under Windows A typical problem arises when a Windows PC simultaneously sends and receives large quantities of data over an asynchronous connection. This situation can severly impact download speeds. The cause of this is the RCP/IP receive windows size as defined in the Windows operating system. The default value is too small for asynchronous connections.
LANCOM L-32x Access Point series Chapter 9: Appendix 9 Appendix 9.1 Performance and characteristics EN LANCOM L-320agn Wireless Frequency band Connections ETH1 LANCOM L-321agn Wireless WLAN module with 2400-2483.5 MHz (ISM) or 5150-5750 MHz or 5725-5825 MHz (UK only) Two WLAN modules each with 2400 2483.
LANCOM L-32x Access Point series Chapter 9: Appendix LANCOM L-321agn Wireless LANCOM L-322agn dual Wireless Support Via hotline and Internet Accessories LANCOM Serial adapter kit for connecting modems (analog or GSM) to the serial configuration interface (item no. 61500) LANCOM Rack Mount Option (item no. 61501) LANCOM LCOS Reference Manual (DE) (item no. 61700) LANCOM PoE Power Injector, item no. 61502 LANCOM ES-1108P, 8-port switch with 4 PoE ports, item no.
LANCOM L-32x Access Point series Chapter 9: Appendix 9.2 9.2.1 Connector wiring Ethernet interface 10/100Base-TX 8-pin RJ45 sockets (ISO 8877, EN 60603-7) EN Connector 9.2.
LANCOM L-32x Access Point series Chapter 9: Appendix 9.2.3 Configuration interface (outband) Connector 9.3 Pin Line 1 CTS 2 RTS 3 RxD 4 RI 5 TxD 6 DSR 7 DCD 8 DTR U GND EN 8-pin Mini DIN socket CE-declarations 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.
LANCOM L-32x Access Point series Index EN Index Numerics 10/100Base-TX 802.11i 802.11i/ 802.1x 802.
LANCOM L-32x Access Point series Index 36, 37, 53 21, 52 19 19 45 L LAN Connector cable LANCOM Enhanced Passphrase Security LANCOM Public Spot Option 34, LANconfig Starting the Wizards LANmonitor LANtools System requirements 21, LEPS M MAC address filter Managed mode Multi SSID N NAT – see IP masquerading Network mask Netzteil O Optional antennas Options and accessories P P2P Package contents Password PAT – see IP masquerading Point-to-point point-to-point Power adapter Power-over-Ethernet 23 45 86 38
LANCOM L-32x Access Point series Index EN TCP/IP windows size Telnet TFTP Transmission protocol 89 53 53 88 U UDP 52 W WEBconfig 39 96 HTTPS System requirements 21, 45, 48, 49, WEP Wireless LANs Operating modes WLAN Bands scanned Client mode 20, 45, 46, 49, WPA 39 23 50 10 76 75 50
