Lancom L-310agn Wireless Manual Download Page 86

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LANCOM L

300 Access Point series

Chapter 7: Options and accessories

restaurants, cafes, airports, railway stations, exhibition grounds or universi-
ties.

The LANCOM Public Spot Option equips an access point with these functions
and upgrades it to a wireless Public Spot.

ACCESS POINT

RADIUS SERVER

LAPTOP

ROUTER

INTERNET

ACCESS POINT

INDUSTRY

Authorization,
Accounting

Authentication

HTTP/HTTPS

RADIUS

Summary of Contents for L-310agn Wireless

Page 1: ...L 305agn Wireless LANCOM L 310agn Wireless LANCOM L 315agn dual Wireless LANCOM L 305agn Wireless LANCOM L 310agn Wireless LANCOM L 315agn dual Wireless Handbuch Manual c o n n e c t i n g y o u r b u...

Page 2: ...LANCOM L 305agn Wireless LANCOM L 310agn Wireless LANCOM L 315agn dual 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: ...standard includes many new mechanisms such as the use of MIMO 40 MHz channels packet aggregation and block acknowledge ment in order to increase the bandwidth available for user applications sig nifi...

Page 5: ...so available in the chapter Security settings We would additionally like to ask you to refer to our Internet site www lan com eu for the latest information about your product and technical develop men...

Page 6: ...rder to ensure you the best possible support when using your LANCOM product Should you find any errors or if you would like to suggest improvements ple ase do not hesitate to send an e mail directly t...

Page 7: ...series Preface 6 EN Information symbols Very important instructions Failure to observe these may result in damage Important instruction that should be observed Additional information that may be help...

Page 8: ...ckage contents 24 2 2 System requirements 24 2 2 1 Configuring the LANCOM devices 24 2 2 2 Operating access points in managed mode 25 2 3 Status displays and interfaces 25 2 4 Device connectors 28 2 5...

Page 9: ...56 5 2 1 Compatibility 56 5 2 2 Performance settings for the wireless LAN module 56 5 2 3 Performance settings for wireless LAN networks 57 5 2 4 Configuring 802 11n parameters 59 5 3 Point to point c...

Page 10: ...7 2 LANCOM Public Spot Option 84 8 Advice assistance 86 8 1 No WAN connection can be established 86 8 2 Slow DSL transmission 86 8 3 Unwanted connections under Windows XP 87 9 Appendix 88 9 1 Perform...

Page 11: ...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 past with...

Page 12: ...s WLAN Enhance ments for Higher Throughput in september 2009 features a number of technical developments that promise up to six times the performance in wire less LANs Some of the improvements refer t...

Page 13: ...reater ranges as a signifi cantly stronger wireless signal is received by the Access Point over a given distance than in 802 11a b g networks 1 2 2 Compatibility with other standards The 802 11n stand...

Page 14: ...signal not on just one carrier signal but in parallel over several The data throughput that can be achieved with OFDM modulation depends on the following para meters among other things Number of carr...

Page 15: ...ta 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 through put c...

Page 16: ...ghput 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 reflection of electr...

Page 17: ...rom 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 separate data con...

Page 18: ...nels 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 this allow...

Page 19: ...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 interval T...

Page 20: ...o 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 each data pac...

Page 21: ...re but they differ in the way aggregated frames are acknow ledged Mac Service Data Units Aggregation MSDUA combines several Ethernet packets together to form one common wireless LAN packet This packet...

Page 22: ...ee protocol Layer 2 QoS tagging WLAN Wireless transmission by IEEE 802 11g and IEEE 802 11b Wireless transmission by IEEE 802 11a and IEEE 802 11h Wireless transmission by IEEE 802 11b g and IEEE 802...

Page 23: ...ted RADIUS server VLAN Intra Cell Blocking WLAN QoS IEEE 802 11e WME LAN Connection Gigabit ethernet connector 10 100 1000 Base TX autosensing auto node hub PoE by IEEE 802 3af Fast Ethernet LAN port...

Page 24: ...grades Monitoring and management of the WLAN with Rogue AP Detection Optional software extensions LANCOM Public Spot Option Optional hardware extensions AirLancer Extender antennas for increased range...

Page 25: ...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 t...

Page 26: ...e 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...

Page 27: ...king Self test after power up Green On perma nently Device operational Red green Blinking alterna tely Device insecure Configuration password not set Orange green In the housing cover blinking alterna...

Page 28: ...ts The charge settings are defined in LANconfig under Management Costs these settings are only avai lable if the Complete configuration display is activated under Tools Options With WEBconfig charge p...

Page 29: ...L 305agn Wireless and LANCOM L 310agn Wireless Voltage switch Connection for the included power adapter Switch with four 10 100Base Tx connections USB connection Serial configuration port ISDN S0 port...

Page 30: ...ton for more than five seconds All the device s LEDs will light up green and stay on As soon as the reset switch is released the device will restart with factory default settings Reset button function...

Page 31: ...nt returns to managed mode in which case the configuration cannot be directly accessed via the WLAN interface 2 5 Hardware installation Installation of the L 300 Access Point devices involves the foll...

Page 32: ...and the transfer rate 10 100 1000 Mbit with LANCOM L 305agn Wirelesss and LANCOM L 310agn Wirelesss 10 100 Mbit with LANCOM L 315agn dual Wireless by autosensing Information about the installation of...

Page 33: ...automati cally If the setup does not start automatically run AUTORUN EXE in the root directory of the LANCOM CD LAN interface Can be used exclusively or in parallel for DSLoL There are basically two...

Page 34: ...wser 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 Clients...

Page 35: ...ckly 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...

Page 36: ...in the fol lowing situations Only a single PC is going to be attached to the L 300 Access Point Setting up a new network Fully automatic TCP IP configuration will not be offered if you are integrating...

Page 37: ...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 network d...

Page 38: ...t LANconfig with Start Programs LANCOM LANconfig LANconfig automatically detects new LANCOM devices in the TCP IP net work If the search detects an unconfigured device the Setup Wizard launches to hel...

Page 39: ...ction is a function which can place a limit on the costs from WAN connections Accept your entries with Next Close the configuration with Finish See the section TCP IP settings for PC workstations for...

Page 40: ...can retrieve an IP address for itself from a DHCP server in the LAN If a LANCOM Wireless Router or LANCOM Access Point is centrally managed from a LANCOM WLAN Controller the DHCP mode is swit ched fro...

Page 41: ...r 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 DHCP serve...

Page 42: ...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 terminal pr...

Page 43: ...wing 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 assign the corre...

Page 44: ...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 have to be...

Page 45: ...cess 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 communica...

Page 46: ...d centrally on a RADIUS server integrated RADIUS EAP server in the L 300 Access Point or external RADIUS EAP server and accessed by the access point when required The dynamically generated and cryptog...

Page 47: ...ar 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 Access Cont...

Page 48: ...he 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 allows access t...

Page 49: ...ies 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 network the...

Page 50: ...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 encryption and ac...

Page 51: ...ion 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 do not req...

Page 52: ...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 Internet is...

Page 53: ...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 via wirele...

Page 54: ...u ensured that the reset button is safe from accidental configuration resets Some devices simply cannot be installed under lock and key There is con sequently a risk that the configuration will be del...

Page 55: ...ireless 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 Access Point in...

Page 56: ...and attempts to register with a wireless network In this case the device serves for example to link a cabled network device to an Access Point over a wireless connection In this operating mode paralle...

Page 57: ...ompatible 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 the operatin...

Page 58: ...a 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 reduces the ris...

Page 59: ...on 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 of error co...

Page 60: ...rt 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 be caused b...

Page 61: ...less 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 connections LANCOM A...

Page 62: ...ata throughput rates can be achieved WLAN Router ANTENNA BUILDING ACCESS POINT ANTENNA BUILDING ACCESS POINT ANTENNA BUILDING MIMO AP 802 11n POLARIZATION DIVERSITY BUILDING MIMO AP 802 11n POLARISATI...

Page 63: ...lculate the output power of the access points as well as the achievable distances and data rates The program can be downloaded from our Web site at www lancom eu 802 11a indoor AP Directional antenna...

Page 64: ...additional technologies such as dynamic frequency selection DFS may be stipulated depen ding on the country of use The operator of the wireless LAN system is responsible for ensuring that local regula...

Page 65: ...nd receiver d are known R 0 5 d The wavelength in the 2 4 GHz band is approx 0 125 m in the 5 GHz band approx 0 05 m Example With a separating distance of 4 km between the two antennae the radius of F...

Page 66: ...f the highest obstruction of approx 13 m in the 5 GHz band 9 m Antenna power The power of the antennas must be high enough to ensure acceptable data transfer rates On the other hand the country specif...

Page 67: ...ther 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 P2P connectio...

Page 68: ...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 station defined...

Page 69: ...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 deter mine...

Page 70: ...lave 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 scheme is...

Page 71: ...lave 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 can be enter...

Page 72: ...rked 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 configuring poi...

Page 73: ...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 points equi...

Page 74: ...ction 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 seco...

Page 75: ...ith 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 When usin...

Page 76: ...er 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 settings clien...

Page 77: ...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 General tab und...

Page 78: ...nt 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 Note that...

Page 79: ...red is the authentication data as 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...

Page 80: ...ection window From the command line select Extras Setup Wizard In the selection menu select the Setup Wizard Set up Internet connec tion and confirm the selection with Next In the following windows yo...

Page 81: ...net 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 furth...

Page 82: ...om 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 conne...

Page 83: ...ignal 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 polarization diversity LANCO...

Page 84: ...versity antennas from the back by unscrewing them Connect the AirLancer antennas to the antenna connectors marked ANT 1 and ANT 2 With a LANCOM L 315agn dual Wireless 1 3 are always used External ante...

Page 85: ...ed for company networks and for wireless net working in the home However for public access services the standard setup lacks important mechanisms for authentication and billing of individual users AAA...

Page 86: ...railway stations exhibition grounds or universi ties The LANCOM Public Spot Option equips an access point with these functions and upgrades it to a wireless Public Spot ACCESS POINT RADIUS SERVER LAP...

Page 87: ...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 protocol for a...

Page 88: ...eeds 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 the windows...

Page 89: ...r supply unit NEST 12V 1A DC S Hohlstkr 2 1 5 5mm RoHS LANCOMItem no 110524 Type designation on the power supply unit Type 15 2230S Antennas 3 internal antennas Three dualband dipole antennas supplied...

Page 90: ...D9a 2 4 5 GHz outdoor antenna item no 61224 AirLancer Extender O D60a 5 GHz outdoor antenna item no 61222 AirLancer Extender O D80g 2 4 GHz outdoor antenna item no 61221 AirLancer cable NJ NP 3m anten...

Page 91: ...00 1000Base TX DSL interface LANCOM L 305agn Wireless and LANCOM L 310agn Wireless only 8 pin RJ45 sockets ISO 8877 EN 60603 7 BI_DA stands for bi directional pair A Connector Pin Line 1 T 2 T 3 R 4 P...

Page 92: ...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 con...

Page 93: ...28 29 Configuration protection 36 Connector wiring 90 Configuration port 91 LAN interface 90 Outband 91 D Declaration of conformity 91 Default gateway 42 51 DFS 63 DHCP 43 DHCP server 21 35 43 Diversi...

Page 94: ...ries 81 P P2P 46 Package contents 24 Password 36 38 PAT see IP masquerading Point to point 46 60 point to point 20 21 Power adapter 24 28 29 R RADIUS 22 45 Remote configuration 38 Reset switch 29 Rese...

Page 95: ...6 TCP IP filter 22 51 TCP IP windows size 87 Telnet 52 TFTP 52 Transmission protocol 86 U UDP 51 V Voltage switch 28 W WEBconfig 38 HTTPS 38 System requirements 25 WEP 22 44 47 48 49 WiFi Protected Se...

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