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Lancom L-305agn Wireless Manual

Other manuals for L-305agn Wireless: Manual

Summary of L-305agn Wireless

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    110753/0909 lancom systems gmbh adenauerstr. 20/b2 52146 würselen germany e-mail: info@lancom.Eu internet www.Lancom.Eu lancom l-305agn wireless lancom l-310agn wireless lancom l-315agn dual wireless lancom l -305agn wir eless lancom l -310agn wir eless lancom l -315agn dual wir eless 쮿 handbuch 쮿 m...

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    Lancom l - 305agn wireless lancom l - 310agn wireless lancom l - 315agn dual wireless.

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    © 2009 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. T...

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    Lancom l - 300 access point series preface 3 en preface thank you for your confidence in us! Lancom l-305agn wireless, lancom l-310agn wireless and lancom l-315agn dual wireless are professional access points that provide a maxi- mum wireless lan performance of up to 300 mbps thanks to the support o...

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    Lancom l - 300 access point series preface 4 en the lancom l-315agn dual wireless with two wlan modules, four external antennas and an additional internal antenna for mimo opera- tion. Model restrictions passages applying only to certain models are identified either in the text itself or by a commen...

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    Lancom l - 300 access point series preface 5 en routing and wan functions firewall quality of service (qos) virtual local networks (vlan) wireless networks (wlan) backup solutions further server services (dhcp, dns, charge management) the menu reference guide (also available at www.Lancom.Eu/downloa...

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    Lancom l - 300 access point 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 helpful but is not essential..

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    Lancom l - 300 access point series contents 7 en contents 1 introduction 10 1.1 what is a wireless lan? 10 1.1.1 modes of operation of wireless lans and access points 11 1.2 wireless lans in accordance with 802.11n 11 1.2.1 advantages of 802.11n 11 1.2.2 compatibility with other standards 12 1.2.3 t...

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    Lancom l - 300 access point series contents 8 en 4 security settings 44 4.1 security in the wireless lan 44 4.1.1 encrypted data transfer (802.11i/wpa or wep) 44 4.1.2 802.1x / eap 45 4.1.3 lancom enhanced passphrase security 45 4.1.4 access control by mac address 46 4.1.5 ipsec over wlan 46 4.2 tip...

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    Lancom l - 300 access point series contents 9 en 7 options and accessories 81 7.1 optional airlancer extender antennas 81 7.1.1 antenna diversity 81 7.1.2 polarization diversity 82 7.1.3 mimo 82 7.1.4 installing the airlancer extender antennas 82 7.2 lancom public spot option 84 8 advice & assistanc...

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    Lancom l - 300 access point series chapter 1: introduction 10 en 1 introduction 1.1 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. Plea...

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    Lancom l - 300 access point series chapter 1: introduction 11 en 1.1.1 modes of operation of wireless lans and access points wireless lan technology and access points in wireless lans are used in the following modes of operation: simple, direct connection between terminal devices with an access poin...

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    Lancom l - 300 access point series chapter 1: introduction 12 en 802.11n currently achieve a gross data throughput of up to 300 mbps (in reality approx. 120 to 130 mbps net) – theoretically the standard defi- nes up to 600 mbps with four data streams. For the first time, maximum speeds exceed the 10...

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    Lancom l - 300 access point series chapter 1: introduction 13 en modulation of digital data into analog carrier signals modulation of the carrier signal into a radio signal in the selected fre- quency band, which for a wireless lan is either 2.4 or 5 ghz. The second modulation step in ieee 802.11n o...

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    Lancom l - 300 access point series chapter 1: introduction 14 en these two features increase the maximum useable bandwidth of 54 mbps for 802.11a/g to 65 mbps for 802.11n. This increase is not exactly spectacular, but it can be further improved by using the following features: mimo technology mimo (...

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    Lancom l - 300 access point series chapter 1: introduction 15 en by the surrounding surfaces causing a broadcast signal to reach the wlan cli- ent's antenna over many different paths; this is also referred to as "multipath propagation". Each of these paths has a different length meaning that indivi-...

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    Lancom l - 300 access point series chapter 1: introduction 16 en 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 ...

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    Lancom l - 300 access point series chapter 1: introduction 17 en signals cannot be uniquely identified, their computation can still be performed with the aid of the third signal. The use of additional antennas does not con- tribute to an increase in data throughput, but it does result in a more even...

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    Lancom l - 300 access point series chapter 1: introduction 18 en way that maintains compatibility to ieee 802.11a/g devices. 802.11n trans- mits data over two contiguous channels. One of these assumes the task of a control channel that, among other things, handles the administration of data transmis...

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    Lancom l - 300 access point series chapter 1: introduction 19 en 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 the improvem...

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    Lancom l - 300 access point series chapter 1: introduction 20 en all data packets that are to be combined into a single large frame must be available at the sender at the time of aggregation—as a consequence some data packets may have to wait until enough data packets for the same destination are av...

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    Lancom l - 300 access point series chapter 1: introduction 21 en relais mode with two wlan modules ✔ relais mode with one wlan modules (wds mixed mode) ✔ ✔ ✔ internet access ✔ ✔ ✔ ip router with stateful inspection firewall ✔ ✔ ✔ dhcp and dns server (for lan and wlan) ✔ ✔ ✔ n:n mapping for routing n...

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    Lancom l - 300 access point series chapter 1: introduction 22 en managed mode for central configuration of wlan modules by a wlan controller ✔ ✔ ✔ multi ssid ✔ ✔ ✔ roaming function ✔ ✔ ✔ 802.11i / wpa with hardware aes encryption ✔ ✔ ✔ wep encryption (up to 128 bit key length, wep152) ✔ ✔ ✔ ieee 802...

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    Lancom l - 300 access point series chapter 1: introduction 23 en ip masquerading (nat, pat) ✔ ✔ ✔ quality of service ✔ ✔ ✔ configuration and firmware configuration with lanconfig or with web browser, additionally terminal mode for telnet or other terminal programs, snmp interface and tftp server fun...

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    Lancom l - 300 access point series chapter 2: installation 24 en 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 ful...

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    Lancom l - 300 access point series chapter 2: installation 25 en the lantools also require a windows operating system. A web brow- ser under any operating system provides access to webconfig. 2.2.2 operating access points in managed mode lancom wireless routers and lancom access points can be operat...

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    Lancom l - 300 access point series chapter 2: installation 26 en power this led provides information on the device's operating state. The power led blinks alternately in red/green until a configuration password has been set. Without a configuration password, the confi- guration data in the lancom is...

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    Lancom l - 300 access point series chapter 2: installation 27 en wlan link provides information about the wlan connections via the internal wlan module. The following can be displayed for wlan link: wlan data provides information about the data traffic at the internal wlan module. The power led is b...

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    Lancom l - 300 access point series chapter 2: installation 28 en the following can be displayed for wlan data: wps messages via the wifi protected setup (wps). This function is not yet available with early shipments. Please download the latest firmware and the associated user manual from www.Lancom....

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    Lancom l - 300 access point series chapter 2: installation 29 en reset switch lancom l-315agn dual wireless voltage switch connection for the included power adapter switch with four 10/100base-tx connections wan port usb connection isdn/s 0 port serial configuration port reset switch the reset switc...

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    Lancom l - 300 access point series chapter 2: installation 30 en reset button this option controls the behavior of the reset button when it is pressed: ignore: the button is ignored. Boot only: with a suitable setting, the behavior of the reset button can be controlled; the button is then ignored or...

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    Lancom l - 300 access point series chapter 2: installation 31 en antennas are only to be attached or changed when the device is swit- ched off. Mounting or demounting antennas while the device swit- ched on may cause the destruction of the wlan module! When assembling separately purchased mobile rad...

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    Lancom l - 300 access point series chapter 2: installation 32 en please make sure to use only the power adapter listed in the technical specifications. The use of the wrong power adapter can be of danger to the device or persons. Ready for operation? – after a brief self-test the power led lights up...

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    Lancom l - 300 access point series chapter 2: installation 33 en in setup, select install software . The following selection menus will appear on screen: 2.6.2 which software should i install? Lanconfig is the windows configuration program for all lancom rou- ters and lancom access points. Webconfig...

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    Lancom l - 300 access point series chapter 3: basic configuration 34 en 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 poin...

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    Lancom l - 300 access point series chapter 3: basic configuration 35 en protecting the configuration wireless lan details security settings 3.1.1 tcp/ip settings tcp/ip configuration can be performed in two different ways: either fully auto- matically or manually. No user input is required if tcp/ip...

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    Lancom l - 300 access point series chapter 3: basic configuration 36 en 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 serve...

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    Lancom l - 300 access point series chapter 3: basic configuration 37 en 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. 3.1.3 settings for t...

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    Lancom l - 300 access point series chapter 3: basic configuration 38 en if you choose automatic tcp/ip configuration, you can continue with step . Give the lancom an address from the applicable ip address range. Con- firm with next . In the window that follows, you first set the password to the conf...

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    Lancom l - 300 access point series chapter 3: basic configuration 39 en accessing the device with webconfig to carry out a configuration with webconfig, you need to know how to con- tact the device. Device behavior and accessibility for configuration via a web browser depend on whether the dhcp serv...

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    Lancom l - 300 access point series chapter 3: basic configuration 40 en 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 win- dows 2000 or wind...

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    Lancom l - 300 access point series chapter 3: basic configuration 41 en be reached under name "lancom-", e.G. “lancom-00a057xxxxxx”. 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 ...

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    Lancom l - 300 access point series chapter 3: basic configuration 42 en 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 fol- lowing screens. The settings are not stored in the device until ...

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    Lancom l - 300 access point series chapter 3: basic configuration 43 en dns server – translates network and computer names into their actual ip addresses. The l-300 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 auto...

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    Lancom l - 300 access point series chapter 4: security settings 44 en 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 q...

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    Lancom l - 300 access point series chapter 4: security settings 45 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 sec...

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    Lancom l - 300 access point series chapter 4: security settings 46 en third-party products is assured as leps only involves configuration in the access point. An additional security aspect: leps can also be used to secure single point- to-point (p2p) connections with an individual passphrase. Even i...

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    Lancom l - 300 access point series chapter 4: security settings 47 en 4.2 tips for the proper treatment of keys and passphra- ses by observing a few vital rules on the treatment of keys you can significantly increase the security of encryption techniques. Keep your keys as secret as possible. Never ...

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    Lancom l - 300 access point series chapter 4: security settings 48 en 4.3.1 lanconfig wizard mark your lancom in the selection window. From the command line, select extras setup wizard . In the selection menu, select the setup wizard, check security settings and confirm the selection with next . In ...

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    Lancom l - 300 access point series chapter 4: security settings 49 en 4.3.2 webconfig wizard with webconfig you have the option to launch the check security settings wizard to check and change any settings. The following values are edited: device password the protocols to be available for accessing ...

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    Lancom l - 300 access point series chapter 4: security settings 50 en with the access control list (acl) you can permit or prevent individual cli- ents accessing your wireless lan. The decision is based on the mac address that is permanently programmed into wireless network adapters. To check the ac...

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    Lancom l - 300 access point series chapter 4: security settings 51 en 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. ...

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    Lancom l - 300 access point series chapter 4: security settings 52 en have you excluded certain stations from accessing the device? A special filter list can be used to limit access to the device's internal func- tions via tcp/ip. The phrase "internal functions" refers to configuration sessions via ...

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    Lancom l - 300 access point series chapter 4: security settings 53 en power because the device has been relocated will cause the entire confi- guration to be deleted (for further information see the reference manual). Have you ensured that the reset button is safe from accidental configuration reset...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 54 en 5 advanced wireless lan configuration the configuration of the lancom access points for your wireless lan is con- ducted with the aid of highly convenient installation wizards. The settings include the general, f...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 55 en wlan module operation the wlan modules can be operated in various operating modes: as a base station (access point mode), the device makes the link between wlan clients and the cabled lan. Parallel to this, point...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 56 en 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 ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 57 en 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 ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 58 en the spatial multiplexing function allows several separate data streams to be transmitted over separate antennas in order to increase data through- put. When using external antennas, please observe that the number...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 59 en the mcs selection therefore indicates the type and minimum or maximum number of modulation parameters that should be used for one or two spatial data streams. Within these limits, the appropriate mcs is selected ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 60 en you can find these parameters in webconfig or telnet under lcos menu tree setup interfaces wlan radio settings . You can find 802.11n parameter configuration for individual wireless lan networks in lanconfig unde...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 61 en when using access points and appropriately polarized antennas in accor- dance with ieee 802.11n two wireless links can be established simultaneously between the end points of a point-to-point connection. This all...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 62 en highly optimized wireless bridges based on ieee 802.11n are capable of high data transfer rates even over long distances. This chapter introduces the basic principles involved in designing point-to- point links a...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 63 en after selecting your components (access points, antennas, lightning protec- tion and cable) the calculator works out the data rates, ranges, and the antenna gain settings that have to be entered into the access p...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 64 en the areas where the waves amplify or cancel themselves out are known as fresnel zones. The fresnel zone 1 must remain free from obstruction in order to ensure that the maximum level of output from the transmittin...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 65 en to ensure that the fresnel zone 1 remains unobstructed, the height of the antennas must exceed that of the highest obstruction by this radius. The full height of the antenna mast (m) should be as depicted: m = r ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 66 en 5.3.2 antenna alignment for p2p operations the precise alignment of the antennas is of considerable importance in esta- blishing p2p connections. The more central the receiving antenna is located in the "ideal li...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 67 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 ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 68 en are both antennas approximately aligned? The basic p2p connection has to be working before fine-tuning can be performed with the aid of lanmonitor. Once signal monitoring has commenced, the p2p dialog displays th...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 69 en in the 5 -ghz band, the automatic search for vacant wlan channels can lead to several simultaneous test transmissions from multiple access points, with the result that they do not find each other. This stalemate ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 70 en 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 ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 71 en 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...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 72 en in the point-to-point configuration, select the identification by station name and enter the name of the corresponding station. Lanconfig: wireless lan general point to point partners webconfig: setup interfaces ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 73 en the use of relay stations each equipped with two wlan modules simultaneously solves the problem of the "hidden station", by which the mac addresses of the wlan clients are not transferred over mul- tiple stations...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 74 en leps for p2p connections a further gain in security can be attained by additionally using lancom enhanced passphrase security (leps) which involves the matching of mac address and passphrase. Leps can be used to ...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 75 en whereupon they act as conventional wireless lan adapters and not as access points (ap). The use of client mode therefore allows devices fitted with only an ethernet interface, such as pcs and printers, to be inte...

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 76 en to edit the settings for client mode in lanconfig, go to the 'client mode' tab under the physical wlan settings for the desired wlan interface. In 'scan bands', define whether the client station scans just the 2....

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    Lancom l - 300 access point series chapter 5: advanced wireless lan configuration 77 en to enter the key, change to the '802.11i/wep' tab under lanconfig in the 'wireless lan' configuration area. From 'wpa / private wep settings', select the first wlan interface from the list of logical wlan setting...

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    Lancom l - 300 access point series chapter 6: setting up internet access 78 en 6 setting up internet access the lancom provides a central point of internet access for all of the compu- ters in the lan. For models not equipped with a wan connector, a lan inter- face is configured as a dslol connector...

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    Lancom l - 300 access point series chapter 6: setting up internet access 79 en 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 sho...

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    Lancom l - 300 access point series chapter 6: setting up internet access 80 en 6.1.2 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. Depend...

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    Lancom l - 300 access point series chapter 7: options and accessories 81 en 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 t...

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    Lancom l - 300 access point series chapter 7: options and accessories 82 en interaction with the reflected radio waves can cause a drop in signal strength, or even cause it to be cancelled out completely. Transmission quality can be improved with so-called "diversity" methods. The principle of "dive...

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    Lancom l - 300 access point series chapter 7: options and accessories 83 en before mounting external antennas, please observe the information on lightning protection in the lancom outdoor wireless guide (sup- plied or available as a download from www.Lancom.Eu ). Mounting antennas without adequate l...

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    Lancom l - 300 access point series chapter 7: options and accessories 84 en 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 net- work or the internet). Wireless lan techno...

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    Lancom l - 300 access point series chapter 7: options and accessories 85 en 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 s...

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    Lancom l - 300 access point series chapter 8: advice & assistance 86 en 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 after starting, the router attempts automatically to connect to the internet ...

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    Lancom l - 300 access point series chapter 8: advice & assistance 87 en increasing the tcp/ip window size under windows if the actual transmission speed over a dsl connection is significantly lower than the maximum specified by the dsl provider, there are very few potential error sources with your o...

  • Page 89

    Lancom l - 300 access point series chapter 9: appendix 88 en 9 appendix 9.1 performance and characteristics lancom l-305agn wireless lancom l-310agn wireless lancom l-315agn dual wireless frequency band wlan module with 2400-2483.5 mhz (ism) or 5150-5750 mhz or 5725-5825 mhz (uk only) two wlan modul...

  • Page 90

    Lancom l - 300 access point series chapter 9: appendix 89 en service 3-year warranty support via hotline and internet accessories lancom modem adapter kit for connecting modems (analog or gsm) to the serial configuration interface (item no. 61500) lancom rack mount option (item no. 61501) lancom lco...

  • Page 91

    Lancom l - 300 access point series chapter 9: appendix 90 en 9.2 connector wiring 9.2.1 ethernet interface 10/100base-tx 8-pin rj45 sockets (iso 8877, en 60603-7) 9.2.2 ethernet interface 10/100/1000base-tx, dsl interface lancom l-305agn wireless and lancom l-310agn wireless only 8-pin rj45 sockets ...

  • Page 92

    Lancom l - 300 access point series chapter 9: appendix 91 en 9.2.3 configuration interface (outband) 8-pin mini din socket 9.3 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 ...

  • Page 93

    Lancom l - 300 access point series index 92 en index numerics 10/100base-tx 28 , 29 802.11i 22 , 44 , 45 , 48 , 49 802.11i/ 45 802.1x 22 , 44 , 45 a access point mode 10 , 25 access-control list 46 acl 45 , 46 adsl connect 28 aes 44 anschlüsse 28 antenna calculator 62 antenna power 65 autosensing 31...

  • Page 94

    Lancom l - 300 access point series index 93 en block ports 51 filter 51 ip address 35 , 36 , 52 ip masquerading 23 , 51 ip router 21 ip-router 21 ipsec over wlan 44 isdn s 0 port 28 , 29 l lan connector cable 24 lancom enhanced passphrase security 44 lancom public spot option 84 lanconfig 33 , 37 st...

  • Page 95

    Lancom l - 300 access point series index 94 en tcp/ip configuration fully automatic 35 manual 35 , 36 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 pr...