Lancom OAP-54, Manual

Page 1: ...Internet www lancom eu LANCOM OAP 54 Wireless LANCOM OAP 310agn Wireless LANCOM OAP 54 Wireless LANCOM OAP 310agn Wireless Handbuch Manual c o n n e c t i n g y o u r b u s i n e s s 110754_LC OAP 45...

Page 2: ...LANCOM OAP 54 Wireless LANCOM OAP 310agn Wireless...

Page 3: ...rademarks 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 trade...

Page 4: ...odules and hence can work in both frequency ranges simultaneously The LANCOM OAP 310agn Wireless additionally supports the standard IEEE 802 11n and offers a maximum WLAN performance with up to 300 Mp...

Page 5: ...ions Components of the documentation The documentation of your device consists of the following parts Installation Guide User manual Reference manual Menu Reference Guide You are now reading the user...

Page 6: ...do not hesitate to send an e mail directly to info lancom de Our online services www lancom eu are available to you around the clock if you have any questions on the content in this manual or if you...

Page 7: ...1 Configuring the LANCOM devices 23 2 2 2 Operating access points in managed mode 24 2 3 Status displays and interfaces 24 2 3 1 LEDs of LANCOM OAP 54 Wireless and LANCOM OAP 310agn Wireless 24 2 4 Th...

Page 8: ...with the wizards in LANconfig 57 5 2 Special wireless LAN parameters for 802 11n 59 5 2 1 Compatibility 59 5 2 2 Performance settings for the wireless LAN module 59 5 2 3 Performance settings for wire...

Page 9: ...AirLancer Extender antennas 84 7 1 1 Antenna diversity 84 7 1 2 Polarization diversity 85 7 1 3 MIMO 85 7 1 4 Installing the AirLancer Extender antennas 85 7 2 LANCOM Public Spot Option 87 7 3 LANCOM...

Page 10: ...access to the Internet There are obvious advantages to wireless LANs Notebooks and PCs can be installed where they are needed problems with missing connections or structural changes are a thing of the...

Page 11: ...administration using a LANCOM WLAN Controller 1 2 Wireless LANs in accordance with 802 11n The new wireless LAN standard IEEE 802 11n ratified as WLAN Enhance ments for Higher Throughput in september...

Page 12: ...Greater range Data throughput generally decreases when the distance between receiver and transmitter increases The overall improved data throughput allows wireless LANs based on 802 11n to achieve gr...

Page 13: ...02 11a g 802 11n uses the OFDM scheme Orthogonal Frequency Divi sion Multiplex as its method of modulation This modulates the data signal not on just one carrier signal but in parallel over several Th...

Page 14: ...ease in data throughput and improved wireless coverage For example the Access Point splits the data into two groups which are then sent simultaneously via separate antennas to the WLAN client Data thr...

Page 15: ...data throughput As mentioned above it is virtually impossible to transmit different signals on the same chan nel simultaneously as the receiver cannot distinguish between them MIMO uses the reflectio...

Page 16: ...ependence from power sockets at the WLAN client or when using PoE as the electricity supply for the Access Point Even if the aim of four spatial streams has not yet been achieved the use of two separa...

Page 17: ...ation channels as there are data streams for transmission 40 MHz channels As the above explanation of OFDM modulation states data throughput rises with an increasing number of carrier signals because...

Page 18: ...than double the amount of carrier signals can be obtained 108 in total The maximum data throughput when using improved OFDM modu lation and two parallel data streams thus rises to 270 Mbps Short guard...

Page 19: ...is lost to the management events that occur when the transmission medium is actually accessed Thus the transmitter must negotiate access authorization with the other receivers before transmitting eac...

Page 20: ...principle also applies to aggregated frames in 802 11n Two different methods are used for frame aggregation These are not explai ned in detail here but they differ in the way aggregated frames are ack...

Page 21: ...HCP and DNS server for LAN and WAN 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 Spa...

Page 22: ...EP 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 Blocki...

Page 23: ...and TFTP server function SSH connection Setup wizards FirmSafe with firmware versions for absolutely secure software upgrades Monitoring and management of the WLAN with Rogue AP Detection Optional sof...

Page 24: ...is missing please contact your retailer or the address stated on the delivery slip of the unit 2 2 System requirements 2 2 1 Configuring the LANCOM devices Computers that connect to a LANCOM must meet...

Page 25: ...h is controlled from a central WLAN Controller managed mode 2 3 Status displays and interfaces Meanings of the LEDs In the following sections we will use different terms to describe the behaviour of t...

Page 26: ...about the wireless LAN access of the second internal wire less network adapter of the base station Meaning as desribed for WLAN1 WLAN Link LANCOM OAP 310agn Wireless only Provides information about t...

Page 27: ...ansmitting beacons Yellow At least one WLAN network is defined and WLAN module activated The WLAN module is transmitting beacons Yellow Inverse flashing Number of flashes number of connected WLAN stat...

Page 28: ...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 If a time or conne...

Page 29: ...on to the LAN Both 10 Mbit or 100 Mbit connections are supported The available transfer rate is detected auto matically autosensing The LAN connection features an automatic MDI MDIX detector enabling...

Page 30: ...ng of up to 50m in length For the same reason the maximum length of cable to the next Ethernet switch may not exceed 50m even if the PoE feed takes place over a shorter length of cable e g when using...

Page 31: ...gs are lost If possible be sure to backup the current device confi guration before resetting After resetting the LANCOM Access Point returns to managed mode in which case the configuration cannot be d...

Page 32: ...o U bolts around the pole and use the supplied nuts and washers to fix the mounting plate The package includes two mounting clamps for poles of different diameters Pole mounting Mounting is completed...

Page 33: ...r changed when the device is switched off Mounting or demounting antennas while the device switched on may cause the destruction of the WLAN module Antennas for LANCOM OAP 54 Wireless screw the two su...

Page 34: ...nected via a normal Ethernet cable to an available network connection socket in your local network e g an available socket on a hub or switch and the PoE Injector connected with the electricity suppl...

Page 35: ...ws compatible system software LANtools as supplied You may skip this section if you use your LANCOM OAP Wireless exclu sively with computers running operating systems other than Win dows 2 6 1 Startin...

Page 36: ...a Windows computer to monitor all of your LANCOM routers and LANCOM access points WLANmonitor enables the observation and surveillance of wireless LAN networks Clients connected to the access points...

Page 37: ...and in ease At the 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 pro blem For LANCOM Access Points that are...

Page 38: ...fol lowing situations Only a single PC is going to be attached to the LANCOM OAP Wireless Setting up a new network Fully automatic TCP IP configuration will not be offered if you are integrating the...

Page 39: ...Wireless a free IP address from your LAN s address range and enter the network mask Gateway address Enter the gateway s IP address if you have selected Off as the DHCP mode of operation or if another...

Page 40: ...ed wireless LAN by specifying the net work name Two methods serve to facilitate the specification of network name Mobile wireless devices can search scan the vicinity for wireless LANs and offer the w...

Page 41: ...new LANCOM devices in the TCP IP net work 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 beha...

Page 42: ...k name SSID and a radio channel If preferred activate the closed network function Accept your entries with Next Charge protection is a function which can place a limit on the costs from WAN connection...

Page 43: ...t 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...

Page 44: ...nsole under Linux In this case the LANCOM 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...

Page 45: ...se suitable tools to find 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...

Page 46: ...the fol lowing screens The settings are not stored in the device until inputs are confirmed on the last screen of the Wizard 3 4 TCP IP settings for PC workstations It is extremely important to assig...

Page 47: ...be set up to automatically retrieve their own IP address and those of the standard gateway and DNS server via DHCP IP address allocation by a separate DHCP server For this reason the workstation PCs...

Page 48: ...ty LEPS Access control by MAC address Optional IPSec over WLAN VPN 4 1 1 Encrypted data transfer 802 11i WPA or WEP Encryption takes on a special role in the transfer of data in wireless LANs Wireless...

Page 49: ...be managed centrally on a RADIUS server integrated RADIUS EAP server in the LANCOM OAP Wireless or external RADIUS EAP server and accessed by the access point when required The dynamically generated...

Page 50: ...on a regular basis every few days for example 4 1 4 Access control by MAC address Every network device has a unique identification number This identification number is known as the MAC address Media...

Page 51: ...eak renew the key LEPS avoids the global distribution of passphrases Activate LEPS to enable the use of individual passphrases 4 3 Security settings Wizard Access to the configuration of a device allo...

Page 52: ...sword entries and the duration of the lock For devices with a WLAN interface you have the option of specifying the security parameters of the wireless network This includes the name of the wireless ne...

Page 53: ...e set with the Security Wizard are sufficient Detailed information about the security settings mentioned here are to be found in the reference manual Have you secured your wireless network with encryp...

Page 54: ...configuration area on the Security tab It is absolutely imperative to assign a password to the con figuration if you want to enable remote configuration Have you permitted remote configuration If you...

Page 55: ...is are to be found in the refe rence manual Have you activated IP masquerading IP masquerading refers to the concealment of local computers while they access the Internet All that is revealed to the I...

Page 56: ...example an unauthorized person may load your stored configuration file into another device and they can access the Internet at your expense Concerning the exchange of your particularly sensitive data...

Page 57: ...reless and LANCOM OAP 310agn Wireless Chapter 4 Security settings 56 EN power because the device has been relocated will cause the entire confi guration to be deleted for further information see the r...

Page 58: ...for your wireless LAN The settings include the general shared parameters and also the individual settings for one or more logical wireless LAN networks WLAN radio cells or SSIDs Mark your LANCOM Acces...

Page 59: ...e to link a cabled network device to an Access Point over a wireless connection In this operating mode parallel point to point connections are not possible For further information please refer to sect...

Page 60: ...ackwardly compatible to the previous IEEE 802 11a b g wireless LAN standards even though not all 802 11n functions are sup ported in this mode Compatibility can be allowed or restricted by selecting t...

Page 61: ...r allel data streams to be implemented to transmit double the amount of data Improving wireless coverage Cyclic shift diversity CSD can be used to transmit a radio signal in different phases This redu...

Page 62: ...e in question are used Modulation Coding Scheme MCS A specific MCS number denotes a unique combination from the modula tion of the individual carriers BPSK QPSK 16QAM 64QAM coding rate i e proportion...

Page 63: ...0 4 s short guard interval This increases the effective time available for data transmission and thus the data through put However the wireless LAN system becomes more liable to disruption that can b...

Page 64: ...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 3 Point to point connection...

Page 65: ...les involved in designing point to point links and provides tips on aligning the antennas 5 3 1 Geometric dimensioning of outdoor wireless network links The following basic questions must be answered...

Page 66: ...can be downloaded from our Web site at www lancom eu After selecting your components access points antennas lightning protec tion and cable the calculator works out the data rates ranges and the anten...

Page 67: ...bject not only screens off a portion of the Fresnel zone but the resulting reflections also lead to a signifi cant reduction in signal reception The radius R of Fresnel zone 1 is calculated with the f...

Page 68: ...s almost 1m Example With a distance of 8 km between the antennae the result in the 2 4 GHz band is a mast height above the level of the highest obstruction of approx 13 m in the 5 GHz band 9 m Antenna...

Page 69: ...an find further information on the geometrical design of wireless paths and the alignment of antennas with the help of LANCOM soft ware in the LCOSreference manual The current signal quality over a P2...

Page 70: ...h the mouse on Point to point activates the option Adjusting Point to Point WLAN Antennas The Point to point entry is only visible in the LANmonitor if the monitored device has at least one base stati...

Page 71: ...antenna is then fixed and the second antenna is then adjusted to attain the best signal quality 5 3 3 Measuring wireless bridges After planning and installation the wireless bridge can be analyzed to...

Page 72: ...gured as Slave In the 2 4 GHz band too this setting simplifies the establishment of point to point connections if the automatic channel search is activated It is imperative that the channel selection...

Page 73: ...aster 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 For models with multiple WLAN modules the station name ca...

Page 74: ...that is marked as the WLAN MAC or MAC ID The other addresses that may be found are not the WLAN MAC address but the LAN MAC address Connecting point to point remote stations by station name When confi...

Page 75: ...name and enter the name of the corresponding station LANconfig Wireless LAN General Point to point partners WEBconfig Setup Interfaces WLAN interpoint peers 5 3 6 Access points in relay mode Access p...

Page 76: ...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 usin...

Page 77: ...nections with an individual passphrase Even if an access point in a P2P installation is stolen and the passphrase and MAC address become known all other WLAN con nections secured by LEPS remain secure...

Page 78: ...can register with a WLAN device in AP mode which is not the case for a WLAN device in client mode 5 4 1 Client settings For LANCOM Access Points and LANCOM Wireless Routers in client mode further set...

Page 79: ...ccess 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 To enter the SSIDs change to the Gene...

Page 80: ...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...

Page 81: ...supplied to you by your Internet provider Internet provider unknown If the list in the Setup Wizard does not contain your provider you will be asked step by step for all of the necessary data This ac...

Page 82: ...r 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 entr...

Page 83: ...d by the protected device itself All access attepts that were not requested from within the local network are invalid The Firewall Wizard assists you to generate new rules for the firewall quickly and...

Page 84: ...fine whe ther further rules are to be considered when the rule acts on a data packet The wizard will inform you as soon as the entries are complete Close the configuration with Finish 6 2 2 Configurat...

Page 85: ...the LANCOM Web site under www lancom eu You will also find further information on calculating the best configu ration for AirLancer Extender antennas and third party antennas that you wish to connect...

Page 86: ...ceive unit with the best signal 7 1 2 Polarization diversity Other diversity techniques process the two signals and combine them into a single signal The most common methods are space diversity and po...

Page 87: ...ctivated with a terminator supplied LANCOM OAP 54 Wireless To install optional AirLancer antennas switch the device off by unplugging the LAN cable that supplies the power Carefully unscrew the two di...

Page 88: ...ess a wireless network such as a company net work or the Internet Wireless LAN technology is ideal for offering wireless Internet services to the public in locations such as airports railway stations...

Page 89: ...ting This is remedied by the LANCOM Systems Open User Authentication OUA the core component of the LANCOM Public Spot Option OUA implements the authentication of all wireless clients by user name and...

Page 90: ...rs who have physical access to the transmitting medium e g to the LAN cables 802 11i encryption for point to point WLAN connections 802 11i encryption for connecting mobile WLAN clients This function...

Page 91: ...ow that it is physically con nected Is the correct transmission protocol selected The transmission protocol is defined with the basic settings The Basic Settings Wizard actually sets the correct proto...

Page 92: ...ownload 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 Instructions for increasing t...

Page 93: ...g up an antenna system For information about calculating the correct antenna setup please refer to www lancom eu Adapter cables Reverse N to N adapter cables supplied to connect all AirLancer Extender...

Page 94: ...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...

Page 95: ...ation of conformity 93 Default gateway 45 54 DFS 65 DHCP 21 46 DHCP server 20 37 46 DNS 21 DNS server 20 46 Documentation 23 Download 5 DSL transmission too slow 90 Dynamic Frequency Selection 65 Dyna...

Page 96: ...t 29 Q QoS 22 Quality of Service 22 R RADIUS 21 48 Relay function 20 Remote configuration 41 Reset connect charge protection 27 Routing table 54 S Security Protecting the configuration 47 Security che...

Page 97: ...ireless and LANCOM OAP 310agn Wireless Index 96 EN V VPN 20 W WEBconfig 41 HTTPS 41 System requirements 24 WEP 21 47 50 51 52 Wireless LANs Operating modes 10 WLAN Bands scanned 78 Client mode 77 WPA...