National Instruments WAP-3711 Bedienungsanleitung

NI W AP-3701/371 1 User ’ s Manual First Edition, Sept 2007[...]

NI WAP-3701/3711 User’s Manual The software d escribed in t his manual is furnished under a license a greement and m ay be use d only in accordance with the term s of that agreement. Copyright Notice Copyright © 2007 National Instru ments Corporation. All rights reserved. Reproducti on without permission is pr ohibite d. Trademarks National Inst[...]

Table of Contents Chapter 1 Introduction ............................................................................................... 1-1 Overview .............................................................................................................................. 1-2 Package Ch ecklis t .................................................[...]

Appendix C Regulatory Statement .............................................................................. C-1 Appendix D Technical Support and Professional Services ...................................... D-1[...]

1 1 Chapter 1 Introduction The NI WAP-3701/3711 enables wireless users to access network resources wirelessly. The NI WAP-3701/3711 can authenticate and aut horize wireless users by IEEE 802.1X and R ADIUS, a nd communicate with a back-end R ADIUS (Remote Auth enti cation User Dial-In Service) s erver to determine if a wireless user is allo wed to [...]

NI WAP-3701/3711 Use r’s Manual Introduction 1-2 Overview NI WAP-37 01/3711 i s rated to operate at t emperatures ra nging fr om 0 to 60°C, and i s rugged enough for any harsh in dustrial envi ronment. It can be i nstalled easily on DIN-Rail mounting as well as in distribu tion boxes. The DIN-Rail moun ting cap ability, wide operating temperatur[...]

NI WAP-3701/3711 Use r’s Manual Introduction 1-3 802.11g: 10% PER@6Mbps ≤ -88dBm, 10% PER@9Mbps ≤ -87dBm 10% PER@12Mbps ≤ -8 4dBm, 10% PER@18Mbps ≤ -8 2dBm 10% PER@24Mbps ≤ -7 9dBm, 10% PER@36Mbps ≤ -7 5dBm 10% PER@48Mbps ≤ -6 9dBm, 10% PER@54Mbps ≤ -6 8dBm Software Features Protocols HTTP, DHCP, TCP/IP, R ADIUS, DNS, NetBIOS, N e[...]

2 2 Chapter 2 Getting Started This chapter exp lains how to install the NI WAP-3701/3711 for the first time. The following t opics are covered:  First-Time Installation and Configuration  Deploying the Access P oint (AP)  Setting up Client Computers ¾ Configuring IEEE 802.11g-related Settings ¾ Configuring TCP/IP-related Settings  Con[...]

NI WAP-3701/3711 Use r’s Manual Getting Started 2-2 First-Time Installation and Configuration Before installing the NI WAP-3701/3711, check to make sure that all items in the Packag e Checklist are in the box. In a ddition, you will need access t o a notebook computer or PC equi pped with an Ether net port. T he NI WAP -3701/37 11 has a defa ult [...]

NI WAP-3701/3711 Use r’s Manual Getting Started 2-3 NOTE For security re asons, we strongl y recomme nd changing the password. To do this, ope n the Network Ma nager hom epage, clic k on General Æ Password , and then follow the onscreen instructions. Step 5: Select the Operationa l Mode for NI WAP-3701/3711 By default, the NI WAP-3701/3 711’s [...]

NI WAP-3701/3711 Use r’s Manual Getting Started 2-4 Step 6: Configure the NI WAP- 3701/3711’s IEEE 802.11 settings Go to the IEEE 802.11 Commun ication section to configure I EEE 802.11g-re lated communication settings, incl uding Reg ulatory d omain, Channel number, a nd Network name (SSID ). The number of available RF channels depends on loca[...]

NI WAP-3701/3711 Use r’s Manual Getting Started 2-5 Deploying the Access Point (AP) After the sett ings have been configure d, depl oy the AP t o the field a pplication e nvironm ent. Connect the AP to an Ethernet LAN through an Ethernet switch or hub. If you are configur ing a pair of NI WAP-3701/37 11 units for AP mode for a dyna mic or static [...]

NI WAP-3701/3711 Use r’s Manual Getting Started 2-6 NOTE A wireless clie nt computer must be in infrastructure mode to ass ociate with an AP. NOTE The SSID of the wireless client computer and the SSID of the AP m ust be identical. Or, if the SSID broadcast capability of the AP is enabled (default se tting), the SSID of the wireless client compute[...]

NI WAP-3701/3711 Use r’s Manual Getting Started 2-7 3. Type “ ping def ault_gate way ”, where defaul t_gatew ay is the IP address of the default gateway of the wireless client com puter, and the n press Enter . If the gateway responds, go to the next step; otherwise, see Appendix B, “TCP/IP Settings Problems,” to troubleshoot the problem.[...]

3 3 Chapter 3 Web Console Configuration In this chapter, we will explain each Web management page of the Web-based Network Manag er. The following topics are covered in this chapter:  Overview ¾ Menu Structure ¾ Save, Save & Restart, and Ca ncel Buttons ¾ Home and Refresh Buttons  Viewing S tatus ¾ Associated Wireless Clients ¾ Curre[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-2 Overview Menu Structure The left side of the hom e page contains a menu that yo u can use to ca rry out comm ands. Here i s a brief descri ption of t he hyperli nks in the m enu: y Home. For ret urning t o the hom e page. y Status. Status i nformati on. ¾ Wireless Clients. The statu[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-3 Save, Save & Restart, and Cancel Buttons There are three buttons at the bottom of each pa ge for configuring settings— Save , Save & Restart , an d Cancel . Clicking Save stores changes to the NI WAP-3701/ 3711’s m emory and returns yo u to the hom e page. Cli cking Save [...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-4 Current DHCP Mappings On this page, all the current static or dynamic DHCP mapping s are show n. A DHCP m apping i s a correspondenc e relationshi p betwee n a n IP address assigned by the DHCP server and a com puter or device that obtains the IP addr ess . A computer or de vice that[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-5 General Operations Specifying the Operational Mode Go to the General, Operational Mode section, select an operational mode and the n click Save at the bottom of this page. This will take you back to th e starting page. The AP supports 2 operational modes: y AP/Bridge. This mode provi[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-6 NOTE Although it is more convenient to use dynamic br idg ing, there is a limitation—th e AP Client can only transmit TCP/IP packets between its wireless in terface and Et hernet interface; other types of traffic (such as IP X and Ap pl eTalk) are not forwarded. TIP When the AP i s[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-7 Backing up and Restoring Conf iguration Settings by HTTP To back up t he configu ration of t he NI WAP-3 701/3711 by HTTP (i.e ., export the confi guration t o a file): 1. Click on Back Up 2. You will be prompted to open or save the configuration file. Click on Save . 3. The configur[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-8 4. On the computer, run the TFTP Server utility, and specify the folder in which the firmware files will be placed. 5. On the com puter, run a Web bro wser and clic k the General, Firmware T ools hy perlink. 6. Choose TFTP as the Firmware management protocol . 7. Specify the IP addre[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-9 Backing up and Restoring Conf iguration Settings by TFTP To back up the confi guration of the NI WAP -3701/37 11 by TFTP: 1. Prepare a computer that will be used as a TFTP server and as a managing co mputer to trigger the backup pro cess. 2. Connect the com puter and one of the LAN E[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-10 TIP If you want to back up or restore the con figur ation from a remote location over th e Internet, adjust the Timeout and Max no. of ret r ies settings of TFTP Server for re mote TFTP configuration backup/restore to s ucceed. Resetting the Configurati on to Factory Defaults Clicki[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-11 DHCP Server (AP/Bridge modes only) Basic The NI WAP-3701/3711 ca n assign IP addresses to client computers automatically by DHCP. In this section of the managem ent page, you can specify the Default ga tew a y , Subnet mask , Primary DNS server , and Secondary DNS server settings th[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-12 To assign a static IP addre ss t o a specific DHCP client: 1. Specify the MAC address of the DHCP client an d the IP address to be as signed to i t. Then, give a descri ption f or this m apping. 2. Select the corresponding Enabled check box. Configuring IEEE 802.11g-related Settings[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-13 Association Control If the num ber of currently asso ciated wireless clients exceeds t he value specified in the Ma x number of clients setting, no more wireless clients can asso ciate with the NI WAP-3701/3711. If the traffic load of the NI WAP-3701/ 3 711 exceeds the load specifie[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-14 By WDS, two or more LAN segments can be connected wirelessly. As illustrated in the above figure, a pair of wireless LAN-to-LAN bridges is use d to connect two LAN segm ents. Since the AP is WDS-enabled, it can be used as a wireless bridge. NOTE The NI WAP-3701/ 3711 can have up to [...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-15 WARNING Be sure to eliminate loops from networks that consist of wireless br idges, Ethernet switch es, Ethernet links, and WDS links. If any loops ex is t, packets will circle around the loops an d network performance will b e seriously degraded. Network topology containing a loop [...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-16 AP 1 AP 2 STA 1 STA 2 STA 3 W ireles s Link Ethernet Link Switch WCI : This AP Only WCI : This AP Only Behavior of the “This AP Only ” wireless client isolation option AP 1 AP 2 STA 1 STA 2 STA 3 W ireles s Link Ethernet Link Switch WCI : Al l AP s in T his Subnet WCI : Al l AP [...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-17 A total of 7 security modes are available w ith the di fferent NI WAP-3 701/3711 m odels: y Open System. No authentication, no data encryption . y Static WEP. WEP ( Wired Equi valent Priva cy) keys m ust be config ured manual ly. y Static TKIP (WPA-PS K). Only TKIP (Te mporal Key I [...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-18 MAC-Address-Based Access Control Wit h MAC-Address -Based Access Control , you can s pecify the wireless client com puters that are permitted or not permitted to associate with the NI WAP-3701/3711. When the table type is set to inclusive , entries in the tab le are permitted to ass[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-19 Sample MAC ACL file To down load a MAC ACL f ile from a TFTP server: 1. Specify the IP address of the TFTP server in the TFTP server IP address text box. 2. Specify the name of the M AC ACL f ile on the TFTP server in the MAC ACL file name text box. 3. Click Download . IEEE 802.1X/R[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-20 RA DIU S Server Internet Wireless A P Wir el es s AP User Dat abase user authentication user authentication IEEE 802 .1X-Com pliant Wire less Clie nt IEEE 802.1X and RADIUS An access point supporting IEEE 802.1X can be co nfigured to communicat e with two RADIUS servers. When the pr[...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-21 Configuring Advanced Settings Packet Filters The NI WAP-3701/3711 provides layer 2 (Ethern et Ty pe Filters), layer 3 (IP Protocol Filters), and layer 4 (TCP/UDP Port Filters) filtering capabilities. The configuration processes for the filters are similar. y Functionality : whether [...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-22 TCP/UDP Port Filters The destination port field of t he TCP or UD P header of a packet incom ing from the WLAN or Ethernet interface is insp ected for filtering. As a rule, specify the decimal Destination Port , Protocol t ype (TCP/UDP ), and the name of the higher-level protocol ( [...]

NI WAP-3701/3711 Use r’s Manual Web Console Configura t ion 3-23 NOTE The SNMP Authenticati o n Fai lure trap is issued when using an incorrect community string to manage the AP via SNMP an d the SNMP MI B II OID, snmpEnableAuthenTraps , is enabled ( disable d by default). SNMP The SNMP (Simple Network Management Protocol) function ality can be d[...]

A A Appendix A Default Settings TIP Press the Rese t ( SF-Reset , or Soft-Reset ) switch on the housing of a powered-on AP to reset the configuration settings to factory-default v alues. Setting Name Default V alue Global User Name admin Password root IEEE 802.11g Regulatory Domain FCC (U.S.) or ETSI (Europe) Channel Num ber 1 1 for FC C or 13 for [...]

NI WAP-3701/3711 Use r’s Manual Default Settings A-2 LAN Interface Method of obtaining an IP Address Set manually IP Address 192.168.127.253 Subnet Mask 255.255.2 55.0 Default Gate way 0.0.0.0 DHCP Server Disabled Management UPnP Enabled System Log Local Log SNMP Enabled SNMP read community public SNMP write community private TELNET Enabled[...]

B B Appendix B Troubleshooting Check the following first: y Make sure that the power is on and the Ethernet cables are connected firm ly to the RJ45 jacks of the NI WAP-37 01/3711. y Make sure the LED WLAN of the AP is blinking to indicate that the RF is work ing. y Make sure you are using the correct typ es of Ethernet cables. Keep in mind th at t[...]

NI WAP-3701/3711 Use r’s Manual Troubleshooting B-2 TCP/IP Settings Problems Default Gateway of Client Computer AP IEEE 802 .1 1g S tage A S tate B Correspondent Host S tage D Client Computer DNS Server of Client Computer Ethernet LA N Inter net Communication stages for a client to reach its correspo nden t host For a wireless client computer to [...]

NI WAP-3701/3711 Use r’s Manual Troubleshooting B-3 ¾ Make sure the wireless settings of the wireless client computer and of the AP match. y Are the IP ad dress of the client computer and the IP a ddress of the AP on the same IP subnet? ¾ Use WinIPCfg.exe or IPConfig.exe to see the current IP address of the client computer. Make sure the IP add[...]

NI WAP-3701/3711 Use r’s Manual Troubleshooting B-4 The NI WAP-3701/3711 stops working and does not respond to Web management requests. y The firmware of the AP m ay be stuck in an incorrect state. ¾ Unplug t he power connect or from the power jack, and then r e-plug th e connec tor to restart the AP. ¾ Report thi s proble m to our te chnical s[...]

C C Appendix C Regulatory Statement Federal Communication Commissi on Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant t o Part 15 o f the FCC Rul es. These lim its are designe d to pro vide reasonabl e protection against harmful interference in a residential installati[...]

NI WAP-3701/3711 Use r’s Manual Regulatory Statement C-2 Safety This equipment is designed with th e utmost care for the safety of those who install an d use it. However, spec ial attenti on must be paid t o the dangers of electric shoc k and static el ectricity when working with electrical equipment. All guidelin es of this and of the c omputer [...]

D D Appendix D Technical Support and Professional Services Visit the following sections of the National In struments Web site at ni.com for te chnical su pport and professional services: y Support— Online technical support resources at ni.com/su pport include the following: Self-Help Resources— For answers a nd solu tions, v i sit the award-win[...]

NI AirWorks NI-WAP-37 0 1/3711 User’s Manual Service Information D-2 Worldwide Technical Support and Product Information ni.com Nationa l Inst ruments Corpora te Head quarter s 11500 North Mopac Expr esswayAustin, Texas 78759-3 504USATel: 5 12 683 0100 Worldwide Offices Australia 1800 300 800 , Austria 43 662 457990-0, Belgium 32 (0) 2 757 0020, [...]