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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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    110632/1108 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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    © 2008 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 serie 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 of...

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    Lancom l - 300 access point serie 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 comment...

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    Lancom l - 300 access point serie preface 5 en quality of service (qos) virtual local networks (vlan) wireless networks (wlan) backup solutions further server services (dhcp, dns, charge management) this documentation was created by … ... Several members of our staff from a variety of departments in...

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    Lancom l - 300 access point serie contents 6 en contents 1 introduction 9 1.1 what is a wireless lan? 9 1.1.1 modes of operation of wireless lans and access points 9 1.2 wireless lans in accordance with 802.11n 10 1.2.1 advantages of 802.11n 10 1.2.2 compatibility with other standards 11 1.2.3 the p...

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    Lancom l - 300 access point serie contents 7 en 4 security settings 45 4.1 security in the wireless lan 45 4.1.1 suppress ssid broadcast – closed network 45 4.1.2 access control by mac address 46 4.1.3 lancom enhanced passphrase security 46 4.1.4 encrypted data transfer 47 4.1.5 802.1x / eap 47 4.1....

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    Lancom l - 300 access point serie contents 8 en 6 setting up internet access 80 6.1 the internet connection wizard 81 6.1.1 instructions for lanconfig 81 6.1.2 instructions for webconfig 82 6.2 the firewall wizard 82 6.2.1 lanconfig wizard 82 6.2.2 configuration under webconfig 83 7 options and acce...

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    Lancom l - 300 access point serie chapter 1: introduction 9 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. Please...

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    Lancom l - 300 access point serie chapter 1: introduction 10 en establishing access to the internet connecting two lans over a wireless link (point-to-point mode) connecting devices with an ethernet interface via an access point (client mode) extending an existing ethernet network with a wireless la...

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    Lancom l - 300 access point serie chapter 1: introduction 11 en 600 mbps with four data streams. For the first time, maximum speeds exceed the 100 mbps of cable-based fast ethernet networks, which are currently standard in most workplaces. Improved and more reliable wireless coverage the new 802.11n...

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    Lancom l - 300 access point serie chapter 1: introduction 12 en 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 occurs in the same way as in conventional wireless lan st...

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    Lancom l - 300 access point serie chapter 1: introduction 13 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 (m...

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    Lancom l - 300 access point serie chapter 1: introduction 14 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 serie chapter 1: introduction 15 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 c...

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    Lancom l - 300 access point serie chapter 1: introduction 16 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 serie chapter 1: introduction 17 en nel in a way that maintains compatibility to ieee 802.11a/g devices. 802.11n transmits data over two contiguous channels. One of these assumes the task of a control channel that, among other things, handles the administration of data tr...

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    Lancom l - 300 access point serie chapter 1: introduction 18 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 improveme...

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    Lancom l - 300 access point serie chapter 1: introduction 19 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 ava...

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    Lancom l - 300 access point serie chapter 1: introduction 20 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 ne...

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    Lancom l - 300 access point serie chapter 1: introduction 21 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 serie chapter 1: introduction 22 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 func...

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    Lancom l - 300 access point serie chapter 2: installation 23 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 fulf...

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    Lancom l - 300 access point serie chapter 2: installation 24 en wireless lan adapter or lan access (if the access point is to be connected to the lan). The lantools also require a windows operating system. A web brow- ser under any operating system provides access to webconfig. 2.2.2 operating acces...

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    Lancom l - 300 access point serie chapter 2: installation 25 en top the two top-mounted leds enable the main function status to be assessed even if the device is positioned vertically. Power this led provides information on the device's operating state. The power led blinks alternately in red/green ...

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    Lancom l - 300 access point serie chapter 2: installation 26 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 bl...

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    Lancom l - 300 access point serie chapter 2: installation 27 en the following can be displayed for wlan data: eth lan connector status: 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 use...

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    Lancom l - 300 access point serie chapter 2: installation 28 en activating the dslol option also enables the lan connectors to connect the access point to a dsl modem. Lancom l-310agn wireless only connector for the second external antenna serial configuration port (rs 232/v.24) reset button button ...

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    Lancom l - 300 access point serie chapter 2: installation 29 en second ethernet socket (10/100base-tx) for connection to the lan. Both 10 mbit or 100 mbit connections are supported. The available transfer rate is detected automatically (autosensing). The lan connectors support the power over etherne...

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    Lancom l - 300 access point serie chapter 2: installation 30 en activating the dslol option also enables the lan connectors to connect the access point to a dsl modem. (first) ethernet socket. Connector for the serial configuration cable. Reset switch (see 'reset button functions') connector for ant...

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    Lancom l - 300 access point serie chapter 2: installation 31 en device and resets the configuration to its factory settings. All leds on the device light up continuously. Once the switch is released the device will restart with the restored factory settings. After resetting, the device starts comple...

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    Lancom l - 300 access point serie chapter 2: installation 32 en dslol – if you wish to operate the access point in dslol mode you can either connect the device directly to the dsl modem (exclusive mode) or via a hub or switch in the wired lan (automatic mode). In exclusive mode, plug one end of the ...

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    Lancom l - 300 access point serie chapter 2: installation 33 en ready for operation? – after a brief self-test the power led lights up permanently in green or it blinks alternately in red and green until a con- figuration password is set. 2.4 software installation the following section describes the...

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    Lancom l - 300 access point serie chapter 2: installation 34 en 2.4.2 which software should i install? Lanconfig is the windows configuration program for all lancom rou- ters and lancom access points. Webconfig can be used alternatively or in addition via a web browser. With lanmonitor you can use a...

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    Lancom l - 300 access point serie chapter 3: basic configuration 35 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 point...

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    Lancom l - 300 access point serie chapter 3: basic configuration 36 en 3.1 what details are necessary? The basic settings wizard is used to set the l-300 access points basic tcp/ip parameters and to protect the device with a configuration password. The fol- lowing description of the information requ...

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    Lancom l - 300 access point serie chapter 3: basic configuration 37 en should you still configure manually? Fully automatic tcp/ip configuration is optional. Instead of this you can select manual configuration. Make this selection after considering the following: select automatic configuration if yo...

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    Lancom l - 300 access point serie chapter 3: basic configuration 38 en enter the ip address of a dns server to resolve domain names if you have selected 'off' as the dhcp mode of operation or if another network device is assuming the role of dns server in the 'server' mode of operation. 3.1.2 config...

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    Lancom l - 300 access point serie chapter 3: basic configuration 39 en if the setup wizard does not start automatically, start a manual search for new devices on all ports (if the lancom is connected via a serial port) or in the network ( device find ). If you cannot access an unconfigured lancom, t...

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    Lancom l - 300 access point serie chapter 3: basic configuration 40 en connect charge protection can limit the cost of dsl connections to a pre- determined amount if desired. Confirm your choice with next . Complete the configuration with finish . Section 'tcp/ip settings to workstation pcs' will de...

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    Lancom l - 300 access point serie chapter 3: basic configuration 41 en tion enabled with a web browser under name lancom or under ip address 172.23.56.254 . If the configuration computer does not retrieve its ip address from the lancom dhcp server, it determines the current ip address of the compute...

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    Lancom l - 300 access point serie chapter 3: basic configuration 42 en use suitable tools to find out the ip address assigned to the lancom by dhcp and access the device directly using this ip address. Using lanconfig. Login when prompted for user name and password when accessing the device, enter y...

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    Lancom l - 300 access point serie chapter 3: basic configuration 43 en the settings are not stored in the device until inputs are confirmed on the last screen of the wizard. 3.4 tcp/ip settings to workstation pcs the correct addressing of all devices within a lan is extremely important for tcp/ip ne...

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    Lancom l - 300 access point serie chapter 3: basic configuration 44 en as the standard gateway. In addition, the dhcp server should also specify the lancom as a dns server. Manual ip address assignment if the ip addresses in the network are assigned static ally, then for each pc the ip address of th...

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    Lancom l - 300 access point serie chapter 4: security settings 45 en 4 security settings your lancom device has numerous security functions. You find in this chapter all information needed for an optimal protection of the base station. You can carry out the configuration of security settings very qu...

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    Lancom l - 300 access point serie chapter 4: security settings 46 en 4.1.2 access control by mac address every network device has a unique identification number. This identification number is known as the mac address ( m edia a ccess c ontrol) and it is unique worldwide. The mac address is programme...

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    Lancom l - 300 access point serie chapter 4: security settings 47 en 4.1.4 encrypted data transfer encryption takes on a special role in the transfer of data in wireless lans. Wireless communication with ieee 802.11 is supplemented with the the encryption standards 802.11i/wpa and wep. The aim of th...

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    Lancom l - 300 access point serie chapter 4: security settings 48 en the ieee-802.1x technology has already been fully integrated since windows xp. Client software exists for other operating systems. The drivers for the lancom airlancer wireless cards feature an integrated 802.1x client. 4.1.6 ipsec...

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    Lancom l - 300 access point serie chapter 4: security settings 49 en your lancom has a password protection for the configuration access. This protection is already activated during the basic configuration by entering a password. The device locks access to its configuration for a specified period of ...

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    Lancom l - 300 access point serie chapter 4: security settings 50 en 4.3.2 wizard for webconfig under webconfig you have the possibility to run the wizard security settings to control and change the settings. The following values are handled: password for the device allowed protocols for the configu...

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    Lancom l - 300 access point serie chapter 4: security settings 51 en address that is permanently programmed into wireless network adapters. To check the access-control list, go to the configuration area in lanconfig and select ‘wlan security’ on the ‘stations’ tab. The lancom enhanced passphrase sec...

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    Lancom l - 300 access point serie chapter 4: security settings 52 en note that firewall security mechanisms (incl. Ip masquerading, port filters, access lists) are active only for data connections that are trans- mitted via the ip router. Direct data connections via the bridge are not protected by t...

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    Lancom l - 300 access point serie chapter 4: security settings 53 en and only the ip addresses contained in this entry are entitled to make use of internal functions. Further entries can be used to extend the circle of authorized parties. The filter entries can describe individual computers or even ...

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    Lancom l - 300 access point serie chapter 4: security settings 54 en can be set so that a press is either ignored or it causes a re-start, depen- ding on the time for which it is held pressed..

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 55 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, fa...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 56 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 serie chapter 5: advanced wireless lan configuration 57 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 s...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 58 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 m...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 59 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 serie chapter 5: advanced wireless lan configuration 60 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 w...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 61 en you can find these parameters in webconfig or telnet under expert configu- ration setup interfaces wlan radio settings . You can find 802.11n parameter configuration for individual wireless lan networks in lanconf...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 62 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 allo...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 63 en highly optimized wireless bridges based on ieee 802.11n are capable of high data transfer rates even over long distances. The behavior of an access point when exchanging data with other access points is defined in...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 64 en 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 2.4 ghz band, too, this settin...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 65 en please note that when using 5 ghz antennas 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 responsi...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 66 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 transmitting...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 67 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 serie chapter 5: advanced wireless lan configuration 68 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 lin...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 69 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 serie chapter 5: advanced wireless lan configuration 70 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 the...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 71 en the configuration of the p2p connections can also be carried out with the wlan wizards in lanconfig. Click on the button physical wlan settings to open the corresponding wlan interface and select the tab for 'poin...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 72 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 serie chapter 5: advanced wireless lan configuration 73 en configuration with webconfig or telnet under webconfig or telnet you can set the settings for the point-to-point connections under the following paths: 5.4.2 security for point- to- point connections ieee 802.11i ...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 74 en configuration with webconfig or telnet the encryption settings for the individual logical wlan networks can be found under webconfig or telnet under the following paths: leps for p2p connections a further gain in ...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 75 en configuration with webconfig or telnet the access list for the matching of mac addresses to the passphrases (leps) can be found under webconfig or telnet under the following paths: 5.5 client mode to connect indiv...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 76 en multiple wlan clients can register with a wlan device in ap mode, which is not the case for a wlan device in client mode. 5.5.1 client settings for lancom access points and lancom wireless routers in client mode, ...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 77 en 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. Under webconfig or telnet the settings for client mode can be fou...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 78 en under webconfig or telnet the network settings for the logical wlan interfaces can be found under the following paths: 5.5.3 encryption settings for access to a wlan, the appropriate encryption methods and key mus...

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    Lancom l - 300 access point serie chapter 5: advanced wireless lan configuration 79 en for ttls and peap - the eap/tls root certificate only; the key is ente- red as a combination username:password. For tls in addition; the eap/tls device certificate including the private key. Under webconfig or tel...

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    Lancom l - 300 access point serie chapter 6: setting up internet access 80 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 serie chapter 6: setting up internet access 81 en in case of flatrate billing you can also set up line polling to monitor the function of the remote station. Apart from that you can opt to keep flatrate connections permanently active ("keep-alive"). In case a connection s...

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    Lancom l - 300 access point serie chapter 6: setting up internet access 82 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. Dependi...

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    Lancom l - 300 access point serie chapter 6: setting up internet access 83 en in the windows that follow you select the services/protocols that the rule is to relate to. In the next step you define the source and destination sta- tions that the rule applies to, and the actions that are to be carried...

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    Lancom l - 300 access point serie chapter 7: options and accessories 84 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 th...

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    Lancom l - 300 access point serie chapter 7: options and accessories 85 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 "diver...

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    Lancom l - 300 access point serie chapter 7: options and accessories 86 en wireless, 1 + 3 are always used. External antennas cannot be connected to antenna 2. Lancom l-310agn wireless lancom l-315agn dual wireless please note the following when connecting antennas: antenna connector 1 must always b...

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    Lancom l - 300 access point serie chapter 7: options and accessories 87 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 technol...

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    Lancom l - 300 access point serie chapter 7: options and accessories 88 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. Mobile users http/ htt...

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    Lancom l - 300 access point serie chapter 8: troubleshooting 89 en 8 troubleshooting in this chapter, you will find suggestions and assistance for a few common dif- ficulties. 8.1 no dsl connection is established after start-up the router automatically attempts to connect to the dsl pro- vider. Duri...

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    Lancom l - 300 access point serie chapter 8: troubleshooting 90 en increasing the tcp/ip window size under windows if the actual transfer rate of a dsl connection is significantly below the fastest rate listed by the provider, there are only a few possible causes (apart from the above-mentioned exte...

  • Page 92

    Lancom l - 300 access point serie chapter 9: appendix 91 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 module...

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    Lancom l - 300 access point serie chapter 9: appendix 92 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 lcos...

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    Lancom l - 300 access point serie chapter 9: appendix 93 en 9.2 contact assignment 9.2.1 ethernet interface 10/100base-tx only lancom l-315agn dual wireless 8-pin rj45 socket, corresponding to iso 8877, en 60603-7 9.2.2 lan/wan interface 10/100/1000base-tx, dsl interface nur lancom l-305agn wireless...

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    Lancom l - 300 access point serie chapter 9: appendix 94 en 9.2.3 configuration interface (outband) 8-pin mini-din socket 9.3 declaration of conformity lancom systems herewith declares that the devices of the type described in this documentation are in agreement with the basic requirements and other...

  • Page 96

    Lancom l - 300 access point serie index 95 en index numerics 10/100base-tx 27 , 29 100-mbit network 29 802.11i 21 , 45 , 46 , 47 , 50 802.11i/ 47 802.1x 21 , 45 , 47 802.3af standard 29 a access point mode 9 , 24 access-control list 46 acl 46 aes 47 anschlüsse 27 antenna calculator 64 antenna power ...

  • Page 97

    Lancom l - 300 access point serie index 96 en internet access 20 , 80 authentication data 80 flatrate 80 internet access setup 80 internet provider 80 ip block ports 52 filter 52 ip address 36 , 37 , 53 ip masquerading 22 , 52 ip router 20 ip-router 20 ipsec over wlan 45 l lan connector cable 23 lan...

  • Page 98

    Lancom l - 300 access point serie index 97 en support 5 system requirements 23 t tcp 52 tcp/ip 23 settings 36 , 39 settings to pcs in the lan 43 windows size 90 tcp/ip configuration fully automatic 36 manual 36 , 37 tcp/ip filter 21 , 52 telnet 52 tftp 52 transfer protocol 89 u udp 52 w webconfig sy...