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Operation of the BAT 11b as Access Client

34

BAT 11b

Release 1.0 03/04

Operation of the BAT 11b as Multi-Access Client

This operation is possible in the infrastructure or ad-hoc
(peer-to-peer) mode. Several computers are connected to the
BAT 11b-AC via a switch. In this case, NAT (Network Address
Translation) is applied so that all computers can be reached
via the MAC address of the BAT 11b-AC. Therefore, only the IP
protocol can be transferred transparently. If protocols other
than IP have to be transferred, each client has to be operated
at a single-access client, since NAT is only possible for IP for
multi-access clients.

Note: If the connected computers are to be configured via
DHCP, the DHCP server has to reply to their request with a
broadcast.

Example:

AP
AC

AC

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Содержание BAT 11b

Страница 1: ...BAT 11b Management Manual Industrial ETHERNET Wireless LAN Access Point Access Client...

Страница 2: ......

Страница 3: ...BAT 11b Management Manual Industrial ETHERNET Wireless LAN Access Point Access Client...

Страница 4: ...he performance features described here are binding only if they have been expressly guaran teed in the contract This publication has been created by Hirschmann Electronics GmbH Co KG according to the...

Страница 5: ...4 1480 Fax 49 7127 14 1502 email ans hi line hirschmann de Internet www hirschmann de U Switzerland Hirschmann Electronics GmbH Co KG Neckartenzlingen Niederlassung Uster Seestr 16 CH 8610 Uster Tel 4...

Страница 6: ...herlands Hirschmann Electronics B V Pampuslaan 170 NL 1382 JS Weesp Tel 31 294 462591 Fax 31 294 462554 email ans hirschmann nl U Spain Hirschmann Electronics S A Calle Traspaderne 29 Barrio del Aerop...

Страница 7: ...siness Park 11 02 03 Tower One The Strategy Singapore 609930 Tel 65 6316 7797 Fax 65 6316 7977 email hirschmann svi pacific net sg U China Hirschmann Electronics Pte Ltd Shanghai Office Room 828 Summi...

Страница 8: ...2 8 BAT 11b Release 1 0 03 04...

Страница 9: ...spectrum of innovative services D Consulting incorporates comprehensive technical advice from system evaluation through network planning to project planning D Training offers you an introduction to t...

Страница 10: ...2 10 BAT 11b Release 1 0 03 04...

Страница 11: ...mponents V Relevant for North America The subject unit is to be suppplied by a Class 2 power source complying with the requirements of the National Electrical Code table 11 b If power is redundant sup...

Страница 12: ...ction characteristics according to EN 60950 U Environment The device may only be operated in the listed maximum surrounding air temperature range at the listed relative air humidity range non condensi...

Страница 13: ...ings and maintenance measures in these operating instructions V Correct transport storage and assembly as well as careful operation and maintenance are essential in ensuring safe and reliable operatio...

Страница 14: ...ollowing address Hirschmann Electronics GmbH Co KG Automation and Network Solutions Stuttgarter Stra e 45 51 D 72654 Neckartenzlingen Germany Phone 49 7127 14 1480 The product can be used in living ar...

Страница 15: ...environment The device creates and uses high frequencies and can radiate same and if it is not installed and used in accordance with this operating manual it can cause radio transmission interference...

Страница 16: ...2 16 BAT 11b Release 1 0 03 04...

Страница 17: ...dard Antenna 28 Connection to the Ethernet 29 Connection to the Power Supply 29 After the Successful Commissioning 30 Operation of the BAT 11b as Access Point 31 Operation of the BAT 11b as Access Cli...

Страница 18: ...guration Statistics 62 Configuration LAN Interface 67 Configuration Wireless Interface 70 Configuration Security 75 Configuration ACL 79 Configuration Administration 80 The User Interface of the BAT 1...

Страница 19: ...y have become crucial factors in today s business environment stipulating the need to pro vide highly efficient and ubiquitous access to data A wire less infrastructure as provided by Hirschmann with...

Страница 20: ...ers you the freedom and investment protection you d expect from a cutting edge wireless infra structure solution With the BAT 11b family Hirschmann offers solutions appro priate for each and every wir...

Страница 21: ...l and are underlined Example See Manual Conventions Menus folders functions hardware labels switch set tings system messages etc are represented in italic Example Push the switch to the off position M...

Страница 22: ...have any questions on our products or do you require specific information on BAT 11b You can contact us as follows Internet www hicomcenter com E Mail Service ans support nt hirschmann de The BAT 11b...

Страница 23: ...Objectives 23 BAT 11b Release 1 0 03 04 You can find a description of the standard components of the BAT 11b product package in the Section Hardware Description...

Страница 24: ...Objectives 24 BAT 11b Release 1 0 03 04...

Страница 25: ...04 1 Hardware Description This section contains photographs and figures of the indi vidual components of the BAT 11b product package as well as further information on the parts in question BAT 11b LE...

Страница 26: ...mitted via Port 1 It blinks shortly if few data is being transferred with a high data stream it shines permanently in orange LS WAN DA WAN Radio Green Flashes irregularly in AC operation if not regist...

Страница 27: ...t rail The Power Supply The devices are designed for operation with a safety extra low voltage They may only be connected to the supply voltage connections and to the signal contact with PELV circuits...

Страница 28: ...1 jack 4 Connection to the power supply Selecting an Appropriate Location Select an appropriate location where you want to mount the device If possible the antenna should not be covered by metal part...

Страница 29: ...patch cables 1 1 or cross over cables RJ45 RJ45 are designed symmetrically It is therefore not possible to confuse the cable ends If you use the BAT 11b Wireless Ethernet as an access point at a swit...

Страница 30: ...firmware upload Also refer to Section How to Upgrade the Firmware on Page 2 51 Prerequisite If you are using a PC with an radio client you can immediately access your Ethernet via the BAT 11b since t...

Страница 31: ...ess client either in the infrastructure mode or in the ad hoc mode In ad hoc opera tion it has to be ensured that all BAT 11b ACs are installed within the reach of the wireless network As a rule the a...

Страница 32: ...b as Access Client 32 BAT 11b Release 1 0 03 04 Figure Ad hoc operation all clients communicate directly with each other Figure Operation in infrastructure mode all clients communi cate via an access...

Страница 33: ...ent In this case only a single computer is directly connected to the BAT 11b AC via a cross over Ethernet cable In the network the BAT 11b AC is reached via the MAC address of the con nected client In...

Страница 34: ...rk Address Translation is applied so that all computers can be reached via the MAC address of the BAT 11b AC Therefore only the IP protocol can be transferred transparently If protocols other than IP...

Страница 35: ...11b as Access Client 35 BAT 11b Release 1 0 03 04 Mixed Scenario In this scenario one BAT 11b works as AP the other BAT 11bs as single AC and multi AC In addition two notebooks are logged on to the A...

Страница 36: ...ll you can also operate a BAT 11b AP at a BAT 11b AC In this case it has to be ensured that the second wireless cell is operated on another channel if possible Also refer to the AP mode in Section Con...

Страница 37: ...BAT 11b has to be connected to the same network as the BAT 11b to be configured 1 Insert the supplied CD into the drive of the correspond ing computer 2 Carry out the instructions of the CD wizard an...

Страница 38: ...hem with OK Note The parameter Node name may consist of 32 characters as a maximum When entering the parameter Node name only the letters from a to z A to Z the digits 0 to 9 the hyphen and the dot mu...

Страница 39: ...stration on Page 4 106 Setting the Network Name In contrast to LANs which have been configured via Ethernet a wireless LAN does not provide cabling to permit a permanent connection between server and...

Страница 40: ...re information on the AP mode refer to Section Configuration Wireless Interface on Page 3 70 on the AC mode to Section Configuration Wire less Interface on Page 4 98 Activating the Encryption To preve...

Страница 41: ...ng settings Entering the name Entering the IP address Entering the netmask Entering the standard gateway Further configurations which can be performed via the Hir schmann BAT Discovery are Setting up...

Страница 42: ...change the preset passwords as soon as possible If your computer is provided with various network inter faces you can configure a special multicast interface in the Hirschmann BAT Discovery with which...

Страница 43: ...cast interface and confirm by pressing OK If the multicast interface 0 0 0 0 is defined the search is performed via all network interfaces of the PC The User Interface of the BAT Discovery The user in...

Страница 44: ...e numerous functions which can be activated via this menu will be discussed in detail later on in this chapter The Tool Bar The tool bar is located directly below the main window and provides fast acc...

Страница 45: ...product name and the device version if you check the corresponding box If you want to enable automatic discovery check the corre sponding box In the drop down list below you can select val ues from 10...

Страница 46: ...the product name Product name will also be displayed In the State column the following entries are possible discovered discovered by the BAT Discovery not found BAT 11b was not found in new search The...

Страница 47: ...process This time specification is only updated when a search process is car ried out either manually or automatically according to the individual settings Editing Entries Manually Under File Edit you...

Страница 48: ...mati cally by the Discovery function cannot be deleted in this way How to Delete all BAT 11b Entries of the not found State Select File Edit Delete all BAT 11bs to simultaneously delete all entries ma...

Страница 49: ...P Setup or click the IP Setup button in the tool bar Entering the Password The password is required to use the following functions of the BAT Discovery Load firmware How to Restart the BAT 11b Factory...

Страница 50: ...e 4 106 How to Set up a Web Connection 1 In the main window select the BAT 11b which you want to access via the Web browser based interface and select Configuration Advanced Web Alternatively you can...

Страница 51: ...e to return the BAT 11b to the manufacturer 1 Before upgrading make sure that the new firmware version files ending with afw is available on your hard disk or on another data carrier 2 Under Extras Pa...

Страница 52: ...are 52 BAT 11b Release 1 0 03 04 4 In the new dialog box activate the Load firmware file from disc button 5 Select the file which contains the new Firmware In our example this is sm_sc v1_34 afw the l...

Страница 53: ...ath for the firmware in the control box under Firm ware file is automatically updated and the BAT Discov ery checks whether an upgrade is possible and makes sense 7 Boot the firmware upgrade by clicki...

Страница 54: ...equire If the Restart immediately recommended option is activated you can also check the Reset confi guration and restart option to reset the BAT 11b to the factory settings Caution If the BAT Discove...

Страница 55: ...lts 1 To cancel configurations made and to reset the BAT 11b to the factory defaults select Configuration Factory default A reset will be performed automatically Note The complete configuration of the...

Страница 56: ...How to Exit the BAT Discovery 56 BAT 11b Release 1 0 03 04...

Страница 57: ...t the User Interface You have 2 options to start the Web interface Starting directly via the browser Starting via the Configuration menu in the BAT Discov ery Option 1 Starting via the Browser 1 Start...

Страница 58: ...to enter the admin istrator password Enter the Password and click the Login button The factory set password is admin You should change the password under the Configuration Administration menu item If...

Страница 59: ...starting the browser If you click the help button you will open an online help General Nodename This is the name of the BAT 11b Workgroup as it is also displayed in the BAT Discovery It serves to loca...

Страница 60: ...eway Shows the IP address of your default gateway Wireless LAN Network name The network name serves to logically assign clients which is also referred to as SSID Only clients with the same network nam...

Страница 61: ...Status 61 BAT 11b Release 1 0 03 04 indicates the authentication status of each client according to IEEE802 1x...

Страница 62: ...Configuration Statistics 62 BAT 11b Release 1 0 03 04 Configuration Statistics The access point provides a large range of statistic informa tion which will be described in detail in the following...

Страница 63: ...rip propagation delay on even the largest network a correctly configured network will never allow this transmission condition Something related to the network topology is causing a problem A late coll...

Страница 64: ...ly When operating as a station in an wireless cell and these frames are directed to the AP this implies having received an acknowledgment to all associated frames TX Fragments The total number of fram...

Страница 65: ...d too long on one of the transmit queues due to many retries and defers or otherwise not being able to transmit e g scanning Transmit queued too long on the Power Save queue Station in IBSS destinatio...

Страница 66: ...tions RX Discards WEP Undecryptable The number of received frames with the WEP subfield in the Frame Control field set to one that were discarded because it should not have been encrypted or due to th...

Страница 67: ...ion to have the IP settings automatically assigned to the BAT 11b Wireless Ethernet by the available DHCP server To configure the settings statically check the Static option and enter the values manua...

Страница 68: ...e consists of node_ and the MAC address of the BAT 11b If you want to take over the settings made confirm this by clicking Save Otherwise you can discard the changes by clicking Cancel To take over th...

Страница 69: ...seconds is not displayed on your computer screen With the help of the LEDs of your BAT 11b however you can check the radio activity the radio status and the Ethernet activity Finally check the functio...

Страница 70: ...net Wireless Network Name The network name also called SSID is an unambiguous network name which has to be identical for all subscribers of the same wireless network Capital and lower case writing are...

Страница 71: ...ote The number of the available channels is not identical for all devices You should therefore also refer to the technical documentation for your product As a rule channels 1 to 11 are mostly availabl...

Страница 72: ...be rebooted Advanced Configuration RTS Threshold RTS means Request To Send and is the threshold value from which on the access point will send an RTS signal into the wireless cell For this value the...

Страница 73: ...Mbps In the case of large cells or cells with older clients which support merely 1 or 2 Mbps a slower rate of Fixed 1 Mbps or Fixed 2 Mbps is recommended The default value is Fixed 2 Mbps Load Balanc...

Страница 74: ...interval Repeating Permits direct communication between wireless clients logged on to the same BAT 11b If the repeating is deactivated the wireless clients logged on to this BAT 11b will not be able...

Страница 75: ...se 1 0 03 04 Configuration Security Parameters like visibility of the BAT 11b authentication and encryption are set here These settings are used for security reasons in terms of tracking eavesdropping...

Страница 76: ...work Note If you are using Site Survey e g Netstumbler or the Windows XP Zero Configuration Utility the BAT 11b Wireless Ethernet will not be identified if you have switched the AP visibility to Invis...

Страница 77: ...key Only clients with activated WEP encryption can log on to the BAT 11b Wireless Ethernet Please note that all subscribers of the same wireless network have to use the same keys If you want to take...

Страница 78: ...es Shared Secret In order to communicate with the RADIUS server the BAT 11b requires the shared secret i e a password which also has to be entered at the RADIUS server Send Station ID The optional att...

Страница 79: ...r unknown clients Enable Access Control List Activate this function to grant access to the BAT 11b Wireless Ethernet only to the wireless clients given in the list All other clients will not be able t...

Страница 80: ...rm this by clicking Save Otherwise you can discard the changes by clicking Cancel Configuration Administration The Administration section contains the following subsec tions Reboot Here you can reboot...

Страница 81: ...ion data to the factory default state Change Password For security reasons it is recommended to change the preset passwords as soon as possible Enter the new password subsequently two times into the c...

Страница 82: ...Configuration Administration 82 BAT 11b Release 1 0 03 04...

Страница 83: ...t the User Interface You have 2 options to start the Web interface Starting directly via the browser Starting via the Configuration menu in the BAT Discov ery Option 1 Starting via the Browser 1 Start...

Страница 84: ...to enter the admin istrator password Enter the Password and click the Login button The factory set password is admin You should change the password under the Configuration Administration menu item If...

Страница 85: ...ick the log out button the browser session will be ter minated and you will have to log on once again when starting the browser If you click the help button you will open an online help General Nodena...

Страница 86: ...r the IP address was determined statically or assigned by a DHCP server IP Address The IP address is the unambiguous IP address of the BAT 11b Wireless Ethernet Subnet Mask The subnet mask which is al...

Страница 87: ...yed 1 2 5 5 11 Mbps Current Signal Noise Ratio The value of the signal noise ratio indicates the difference between signal and noise Current Signal Level Displays the signal level of the signal receiv...

Страница 88: ...lay other access points within reach The scan function helps the user to search the environment for wireless networks It displays all received access points Here the network name MAC address channel s...

Страница 89: ...1 0 03 04 Bridge This table displays the stations connected to the BAT 11b Wire less Ethernet AC Bridge Table IP Address IP addresses of the connected devices MAC Address Corresponding MAC addresses...

Страница 90: ...Statistics 90 BAT 11b Release 1 0 03 04 Statistics The access client provides a large range of statistic informa tion which will be described in detail in the following...

Страница 91: ...50 2 microseconds is long enough for round trip propagation delay on even the largest network a correctly configured network will never allow this transmission condition Something related to the netw...

Страница 92: ...smitted successfully This implies having received an acknowledgment to all associated frames TX Multicast Frames The total number of frames of which the Destination Address is a multicast MAC address...

Страница 93: ...ssociated fragments TX Multiple Retry Frames The number of frames successfully transmitted after more than one retransmission on the total of all associated fragments TX Retry Limit Exceeded Number of...

Страница 94: ...Octets The total number of octets received successfully as part of multicast incl broadcast frames These octets include MAC Header and Frame Body of all associated fragments RX FCS Errors Number of f...

Страница 95: ...umber of frames of type Data or Management received successfully while there was another reception going on above the carrier detect threshold but with bad or incomplete PLCP Preamble and Header RX Di...

Страница 96: ...lly check the Static option and enter the values manually If no DHCP server is found in the network the BAT 11b Wireless Ethernet will take over the statically set values IP Address Enter an unambiguo...

Страница 97: ...ing Cancel To take over the changes and activate them the BAT 11b Wireless Ethernet has to be rebooted You are requested to do this via the following message Confirm this message by clicking Reboot Yo...

Страница 98: ...led in the network via the BAT Dis covery Configuration Wireless Interface Wireless Configuration Here you can configure the WLAN parameters of the BAT 11b Wireless Ethernet Operating Mode As operatin...

Страница 99: ...have to be observed Specify the country or region where the device is to be operated Channel This setting is only relevant if the BAT 11b AC is to be operated in ad hoc mode In this case select the ch...

Страница 100: ...g to the quality of the connection starting with 5 5 Mbps going down to 2 Mbps and 1 Mbps Auto fallback 2 1 Mbps Automatic fallback according to the quality of the connection starting with 2 Mbps goin...

Страница 101: ...is value the default setting 2347 should be used You should use slightly minor values only if an irregular data flow is observed The smaller the value the more bandwidth will be lost for RTS signals A...

Страница 102: ...shold are transmitted along with the beacons of the access point Per default Medium Distribution is activated This feature is supported by all Hirschmann 11 Mbps products and by Agere cards Radio on T...

Страница 103: ...Configuration Security 103 BAT 11b Release 1 0 03 04 Configuration Security...

Страница 104: ...cal WEP keys have to be entered at the access point and the connected stations WEP Key Lengths Select 64 or 128 bits from the pull down menu according to the encryption procedure supported by your cli...

Страница 105: ...ou use a RADIUS server for authentication you can config ure the BAT 11b AC as the corresponding client Authentication Method The BAT 11b AC supports the EAP MD5 protocol If you want to activate 802 1...

Страница 106: ...any changes in the configuration to activate the changes Reset Configuration Resetting the configuration makes sense if you do not wish to reset all configuration data to factory default state Note If...

Страница 107: ...imes into the cor responding input fields and confirm your entries by clicking the Save button The new password will become valid upon the next log on attempt Caution If you forget the password it wil...

Страница 108: ...Configuration Administration 108 BAT 11b Release 1 0 03 04...

Страница 109: ...ading several BAT 11bs in the AP and AC mode as described in Section Extension of the Range on Page 1 36 You can use optical antennas which you will find in the Hirschmann product portfolio to optimiz...

Страница 110: ...ey communicate directly with each other in contrast to the infrastructure mode where the complete communication is performed via the access point See Operation of the BAT 11b as Access Client on Page...

Страница 111: ...ocedure based on 40 104 bits Today it is practically supported by all WLAN devices How to Configure the TCP IP Protocol How to Configure TCP IP under Windows Before a computer is able to communicate w...

Страница 112: ...are freely selected numbers between 1 and 254 Furthermore each computer requires a subnet mask which is a kind of filter If you are not sure what a subnet mask really is or means select the following...

Страница 113: ...rk and Dial up Connections and then Local Area Con nection Select Properties 2 If the TCP IP protocol valid for your network interface card is listed here go to step 5 Otherwise select Install 3 Selec...

Страница 114: ...d subse quently Properties 6 Select Use the following IP address 7 Enter the IP address and the subnet mask for your com puter and confirm your entries with OK 8 If the process has been finished click...

Страница 115: ...nother he has to enter the set tings again If a DHCP server is used this process is automatically performed each time DNS DNS means Domain Name System and administrates the alloca tion of IP addresses...

Страница 116: ...ing and improving standards to ensure the connectivity and interoperability of the most diverse devices IEEE802 11b One of the IEEE standards for wireless network hardware Prod ucts corresponding to t...

Страница 117: ...ces or related services such as the hosting of websites or website creation LAN A LAN Local Area Network is a local network which is usually set up within a building Here all computers involved share...

Страница 118: ...cells When doing so they can log out at one access point and log on to another without the user noticing it This capacity is called roaming SOHO Small Office Home Office Static IP Address A permanentl...

Страница 119: ...d WLANs for the transmission of audio and video data If a packet is lost it is not resent since it would already be obsolete by then WEP Wired Equivalent Privacy An encryption mechanism based on 40 or...

Страница 120: ...nd FCC regulations apply ETSI is mainly valid for Europe FCC for the USA and Canada Please observe www hirschmann com 1 If operated inFrance limited to these 4 channels Channel Frequency GHt ETSI FCC...

Страница 121: ...RJ45 ports Monitor Button 1 monitor button LEDs LS DA 1 x radio LED 2 x network LED Security Features WEP access control list network name broadcast can be deactivated WEP Key Lengths Bit 40 64 or 104...

Страница 122: ...ther steps together with you For this purpose keep the serial number and the MAC address of your device at hand To obtain this information you have to stop the BAT 11b in the monitor status This is on...

Страница 123: ...BAT 11b Release 1 0 03 04 The monitor button must be pressed before connecting the BAT 11b to the mains supply At the rear of the BAT 11b there is a little hole The monitor button is accommodated beh...

Страница 124: ...How to Reset the Password 124 BAT 11b Release 1 0 03 04...

Страница 125: ...ly added BAT 11b 48 Deny unencrypted data 77 DHCP 34 60 67 86 96 Discovered 46 DTIM interval 72 E Electromagnetic compatibility 14 E mail 22 EMC 14 Enable configuration over WLAN 74 102 Encryption 40...

Страница 126: ...factory defaults 55 Restart 41 55 RJ45 jack 26 RSMA 29 RTS threshold 72 101 S Safety regulations 13 Saving and loading a configuration 48 Scan 88 Screwing on antennas 28 Searching 45 Security 75 104...

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