3Com 9550 manuale d’uso

www .3com.com 3Com ® AirConnect ® 9550 11n 2.4+5GHz PoE Access Point 3Com ® AirConnect ® 9150 11n 2.4GHz PoE Access Point User Guide Part number: 10016853 USER GUIDE,AIRCONNE CT 9550/9150 11N 2.4/5 GHZ AP M/N: WL-605 / WL-604 Published June 2008[...]

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3Com Corporation 350 Ca mpus Drive Marlboro ugh, MA 01752-3064 Copyright © 2 008, 3Com Corpor ation. All rights reserved. No pa rt of this do cumentation may be repro duced in any form or by any means or used to make any derivative work (such as translation, transformat ion, or adapt ation) with out written per mission from 3Com C orporation . 3Co[...]

ENVIRONMENT AL ST A TEMENT It is the policy of 3Com Corporation to be environmentally-friendly in all operations. T o upho ld our policy , we are committed to: Establishing environmental performance standar ds that comply with national legislation an d regulations. Conserving energy , materials and natural resources in all operations. Reducing the [...]

I NTRODUCTION Key Pr oduct Features ............. ................. ................. ................. ......... 7 Security .......... ................. ................. ................. .............. ............ 7 Performance and Reliability ....................... .................... ............... 8 Manageability .......... ..............[...]

Event Log List ........................ ................. ................. ................. .. 22 System Configuration .............. ................. ................. .................... .. 23 Setup Wizard .................. ................. .................... ................. ..... 23 System Properties ........................ ..........[...]

Profile (SSID) Isolation ... ................. ................... ................. .. 36 WDS Link Settings ......................... ................. .................... ....... 36 WDS Security Se ttings ............... ................... ................. ............. 38 Wireless Advanced Sett ings ...................... ....................[...]

Syslog Function........................ ................. ................. ................. ..... 50 System Log ..................... .................... ................. ................. ..... 50 Syslog Server ................... ................. ................. ................. ........ 51 Syslog Port ......................... ..........[...]

O BTAINING S UPPOR T F OR Y OUR 3 COM P RODUCT T elephone T echnical Support and Repair ............ .............. ........... ..... 68 E ND -U SER L ICENSE A GREEMENT A PPENDIX Antennas Used per Mode .......................... ................. ................... .. 72 Console Cable Pin-out ..... .................... ................. ..........[...]

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1 I NTR ODUCTION The 3Com AirConnect 9550 11n 2.4+5GHz PoE Access Point and the 3Com AirConnect 9150 11n 2.4GHz PoE Access Point are high performance access point s that allow you to join isolated wired Ethernet networks into a unifie d wireless local area network (WLAN). The Acce ss Point (AP) supports W i-Fi Protected Access security standar d s [...]

8 Key Product Features 3Com strengthens this basic secu rity mechanism with additional security features, including MAC a ddr ess access contro l lists, IEEE 802.1x per -port user authenti cation with RADIUS server authentication support, T emporal Key Integrity Protocol (TKIP), Advanced Encryption Standard (A ES), Wireless Protected Access (WP A) [...]

Key Product Features 9 With Power over Ether net (PoE ) support, the same Category 5 cable that connects your access point to the data network also provides its power . A sin gle ca ble installation drama tically improves your choice of mount ing configurations because you no longer need to consider AC power outlet locations. PoE support makes it e[...]

10 Key Product Features ■ T ransferring large files li ke computer -aided design f iles, preprint publishing documents or graphics files, such as MRI scans for medical applicati ons that demand additional bandwidth. ■ Supporting a dense user base c onfined to a small coverage area. Because 802.11a has a greater number of non-overlapping channel[...]

Key Product Features 11 ■ Providing access to hot spots in public spaces such as cof fee shops or univers ity cafe terias. IEEE 802.3af The IEEE 802.3af-2003 Power over Ethernet (PoE) standard defines terminology to describe a port that ac ts as a power source (PSE) to a powered device (PD). The IEEE 802.3af standar d states that power may be del[...]

12 Key Product Features Installing Y our 3com Wireless Ac cess Point T o set up and install your 3Com W ire less Access Po int, plea se refer to the 3Com ® AirConnect ® 9550 11n 2.4+5GHz PoE Acc ess Point 3CRWE955075 / WL-605 3Com ® AirConnect ® 9150 11n 2.4GHz PoE Access Point 3CRWE915075 / WL-604 Quick Start Guide (Part Number 10016854).[...]

Networks with a DHCP Server 13 2 C ONFIGURING THE W IR ELESS A CCESS P OINT If the default AP c onfiguration do es not meet your network requir ements, or if you want to customize the settings for your own network, you can use th ese tools to change the configuration: ■ Launch the 3Com W ireless Infr astructur e Device Manager (Widman) utility ?[...]

14 Networks without a DHCP Server After you determi ne the AP’ s IP address, you can enter that IP address into a web br owser on a computer on the same subnet to view the Access Point’ s system st atus or change its configuration. Networks without a DHCP Server If your network does not have a DHCP server , the Access Point uses a factory assig[...]

Networks without a DHCP Server 15 Launch the 3Com Wireless Infrastructure Device Manager (Widman) utility 1 T urn o n the computer . 2 Insert the 3Com Installat i on CD into the CD-ROM drive. The CD will A utorun. If it does not Autorun, you can start the setup menu from the Windows Start menu. For example: Start > Run > d:setup.exe . 3 In t[...]

16 Networks without a DHCP Server If the device is working correctly the following screen should be seen. Figure 1 3Com Wireless Infrastructur e Device Manager[...]

Networks without a DHCP Server 17 Click on the Properties button to see the following scr een: Figure 2 Wireless Infrastructure Device Pr operties[...]

18 Networks without a DHCP Server Directly connect to the device th rough its Ethernet port or console port. Follow the instructions below to log into the AP Configuration screen: 1 Load a web browser and enter http://169.254.2.111 2 The Log On screen appears Figure 3 Logon Screen T o log on to the Web interface: 1 Username, type admin (case sensit[...]

System Status 19 First Time Only After you have logged on for the first time you will be asked to select your country from the drop down menu. Figure 4 Country Selection System Status The Web i nterface has been desi gned to enable you to easily perform advanced configuration tasks an d view information about the AP . System Su mmary After you clic[...]

20 System Status The system summary page sh ows all the configuration information about your AP , as shown in Figure 5. Figure 5 System Summary[...]

System Status 21 Wireless Station List Through the Wireless Station List page, you can easily identify the adjacent wir eless stations. It will a utomatically observe the adjacent wirele ss station’ s ID (if specified), MAC address , SSID and current status. Figure 6 W ireless Station List[...]

22 System Status Event Log List The event log list stor es a re cord of all the event s within this designated WLAN. Figure 7 Event Log List[...]

System Configuration 23 System Configuration In this section, you will le arn how to configure the basic functions of your AP . Setup Wizard The Setup Wizard will walk you through setting up the AP . T o start the Setup Wizard, click Set up W izard. 1F i g u r e 8 allows you to set up the following information : ■ SSID (Service Set Identifier) ?[...]

24 System Configuration Figure 8 2.4G Radio Wireless Network 2 Click Next to continue the c onfiguration or click Cancel to start again. 3F i g u r e 9 allows yo u to set up the following information: ■ IP Network Setting – Check to either obtain an IP addr ess via DHCP or specify an IP Addr ess manually . ■ IP Address – Enter the I P addre[...]

System Configuration 25 Figure 9 IP Settings 4F i g u r e 1 0 allows you ch oose the security settings. Choose from the following settings in the drop down menu: ■ No security ■ WEP ■ WP A - Only ■ WP A2 - Only ■ WP A2 - Mixed[...]

26 System Configuration Figure 10 2.4G Wireless Security Set tings 5 Click Cancel to close without sa ving, click Finish to save t he settings, or click Back to return to Fi gure 9. System Properties The System pr operties page allows you to define Device name, location, operation mo des and Load T ype. There ar e two operation modes to choose from[...]

System Configuration 27 Access Point mode A Wireless LAN data transceiver th at uses radio waves to connect a wired network with wir eless station. Wireless Bridge Mode A wireless bridge connects two se parate networks operating on the 802.11 standard. Figure 11 System Properties[...]

28 System Configuration IP Settings This setting must match the ne twork’ s method of IP address assignment. Choose Dynamic Host Configuration Pr otocol (DHCP) or Static IP . With DHCP , IP addr esses are assigned for predetermined periods of time. C hoose Static IP if your network does not have an automatic syst em for IP address assignment. Fig[...]

System Configuration 29 Wireless Network The W ireless Access Point supports Mu ltiple SSIDs wh ich allows it to act as multiple APs appearin g in a W ireless LAN network. Y ou can configure up to 4 SSIDs on the device. Figure 13 Wireless Ne twork[...]

30 System Configuration Wireless Mode Y ou can select your desired wi reless operating mode fr om the drop-down box. Standard Channel Select the channel fo r your wireless LAN in Standard Channel block. The def ault setting is SmartSel ect. It selects the chann el which provides the best transm ission quali ty . The available frequencies vary depen[...]

System Configuration 31 Figure 14 SSID Profile Settings[...]

32 System Configuration SSID Service Set Identi fier . This is the assigned name for a wir eless Wi-Fi network. Stations must use this unique identifier to communicate with an Access Point. The SSID can be any alphanumeric entry up to a maximum of 32 characters. BSSID Basic Service Set I dentifier . This is the assigned MAC addr ess of the station [...]

System Configuration 33 Security There ar e four levels of security available and al l have differing properties: WEP Wired Equivalent Priva cy data encryption provides data security . WEP Shar e Key authentication and WEP data encrypt ion will block all but the most determined hacker . Figure 15 SSID Profile Settings[...]

34 System Configuration 1 T o add WEP , from the dr op down list choose open-system or shared key authentication. 2 Select the desired input method (HEX or ASCII) 3 From the dr op down list choose from 40/64, 104/128, 128/152 key lengths. WP A Only Wi-Fi Protected Access was constructed to provide impr oved data encryption, (which was weak in WEP),[...]

System Configuration 35 Only allows WP A clients to connect to the V AP . Y ou can choose TKIP or AES as the encryption method The Group key update interval is configurable; the default value is 1800 seconds Y ou can choose personal mode (PSK) or enterprise mode (802.1X) authentication The default is PSK. If you choose PSK, you will need to enter a[...]

36 System Configuration WP A2-Mixed Only allows WP A and WP A2 clie nts to connect to the V AP . Y ou can choose TKIP or AES as the encryption method. The Group key update interval is configurable, wi th a default value of 1800 seconds. Y ou can choose personal mode (PSK ) or enterprise mode (802.1X) authentication. The de fault setting is PSK. If [...]

System Configuration 37 Figure 17 WDS Link Settings Supports up to 8 point to mu ltipoint WDS links. Check Enable WDS and then Enable on the MAC add resses want to link to. Enter the MAC addresses of any ot her APs you want to link to. Example of a WDS topology: AP1 <-- WDS --> Master AP (our AP) <-- WDS --> AP3<-- WDS --> AP4[...]

38 System Configuration WDS Security Settings Figure 18 WDS Securi ty Settings Choose the required security level fr om: ■ None ■ WEP ■ WP A-PSK (TKIP) ■ WP A-PSK (AES) If using WEP security , enter th e WEP key . If using WP A , enter the pass phrase.[...]

System Configuration 39 Wireless Advanced Settings T o configure advanced wireless se ttings, click Wireless Advanced Settings . The toolbar and W ireless Advanced Settings menu appears. Figure 19 Wireless Advanced Settings T ransmit Power Choose one of the following power levels: Full, Half (-3dB), Quarter (-6dB), Eighth (-9dB) or Mi nimum. The de[...]

40 System Configuration Beacon Interval Choose an interva l time betw een 25ms and 1000ms for each beacon transmission. The default is 100ms. Data Beacon Rate The Delivery T raffic Indication Messa ge (DTIM). Specify the data beacon rate between 1 an d 255. The default is 1. Association Timeout Set the value for the maximum time allowed for a w ire[...]

System Configuration 41 802.11d support 802.1d allows the device to communicate in areas where the 802.11 standard is not allowed. It adds features and restrictions to ensure compliance. Distance The maximum distance between cl ient or AP and device. The default value is 1km. Antenna T ype If you would like to use external antennas (to r eplace the[...]

42 System Configuration QoS This section provides t he adminis trator with th e Quality of Service (QoS) data. The QoS setting is only available in AP Mode. The QoS Setting should be modified with caution because radio behavior is aff ected. These parame ters can be modi fied when QoS service is En abled.[...]

Service 43 Service Management VLAN If you reconfigure the Management VLAN ID, you may lose connectivity to the access point. V erify that the switch and DHCP server can support the reconfigured VLAN ID, and then re-connect to the new IP addr ess. Figure 20 Management VLAN[...]

44 Service IAPP Inter -Acces s Point Protocol (IAPP) Figure 21 IAPP 802.11F (IAPP) Support Choose either Enable or Disable IAPP allows multiple ac cess points to communicate and pass location information about their associated stations. If you enable 802.11F support you should manua lly add BSSID/IP m apping: 1 Enter the BSSID and IP addresses of t[...]

Service 45 2 Click Add Only stations roaming from one of the listed APs to this AP are allowed to re-associate w ith this AP . Others will be requested to go through the full association process. Figure 22 VME Parameters of Access Point[...]

46 Service Ack-Policy When the Ack-Policy is che cked. The device will not send ACK frames. The default value is disabled. Setting Description Min Contention Window For each access category, enter the minimum contention window val ue. Channel access is prioritized by assi gning smaller contention window values to a higher priority traffic class. If[...]

Service 47 The default va lue table: Admission Control Note: In this release, clients are blocked from using an access category when they select En able for Admission Control. The Admission Contro l check box controls client use of the access categories. When you enable admission control for an access category, clients associated to the access poin[...]

48 Service SNTP Simple Network Time Protocol (SNTP) al lows the administrator to configure the network time settings. Figure 23 SNTP[...]

Service 49 The following settings can be co nfigured. T o avoid using an invalid NTP serv er address, this device stores the fetched/configured time. After it boots up, it uses the stor ed time first and adju sts time if time is fetched. SNTP client enable/disable Click enable or disable. If it is disabled, the user has to input time manually. If i[...]

50 Syslog Functio n Syslog Function In the event of an err or the device can send a message to a specified server . Figure 24 SysLog System Log Click either Enabl e or Disable to activate or deact ivate the system log function.[...]

Syslog Func tion 51 Syslog Server Enter the IP addr ess of the server that r eceives the erro r information. The default IP address is 0.0.0.0 Syslog Port Enter the port nu mber that your server can be accessed by . The default port number is 514. Syslog Level Choose from the following levels, list ed in or der of severity of the detail to be recor[...]

52 Management Management This section describes how to use the management and information features of your Wireless Access Point. Administration In this section, you can change the u ser administrator name and password. The default Ad ministrator name is admin (case sensitive), and password is passwor d . Click Apply to save changes. Figure 25 Admi[...]

Management 53 SNMP Figure 26 SNMP The Simple Network Manage ment Pr otocol (SNMP) administrative functions are ch anged through this scr een. The following functions can be changed: ■ Enable/Disable SNMP ■ Contact info ■ Community names for read-only and r ead/write ■ T rap destination IP address ■ Community name[...]

54 Management MAC Filtering Figure 27 Access Co ntrol List MAC filtering al lows the administr ator to filter MAC a ddresses of network car ds that can access the access point. On this scr een you can: ■ Enable/Disable fil ter ■ Change filter rule to allow or deny ■ Add/delete MAC addresse s in the filter ta ble This function is only availabl[...]

Management 55 Rogue AP Detection Figure 28 Rogue AP Detection Unspecified Access Points may tr y to access the network through this device. Rogue AP de tection can prevent this. ■ Change Rogue AP definition. ■ Legal AP list - The list of allowe d access points. ■ Detect rogue AP – All chan nels are scanned and Access Points without security[...]

56 Management Backup/ Restore Setting s This screen allows the user to backup th e Access Point’ s current settings and restore back to the factory default. Once you have the Access Point working pr operly you should backup the information to have it available if something goes wrong. Figure 29 Backup/Restore Setti ngs[...]

Management 57 Firmware Auto Upgrade The Wireless Access Point can a uto upgrade the firm ware if ther e is a newer version avail able. If you enable the Auto Upgrade function, the W ireless Access Point will automa tically check for an updated version of firmware in the assigned F TP server for each time interval assi gned. Remember to insert the c[...]

58 Management Firmware Manual Upgrade On this screen, you can see the current firmwar e version of your AP . Y ou can also manually upgrade your firmwar e by entering the path to your new firmw are file. Figure 31 Firmware Upgrade Once you have chosen the upgrade file click Upgrade .[...]

Management 59 Figure 32 Result[...]

60 Management Rebooting Y ou can reboot the Wireless access point from the browser interfac e. After you click reboot, the following window displays. Figure 33 Reboot After rebooting, the login pa ge automatica lly displays.[...]

Connecting Through the Com Port 61 Connecting Through the Com Port Instead of using an IP address to configure the Access Point a Null modem cable, connected to the RJ-45 Conso le Port, can be used. In your termi nal settings en sure that the following configuration is met: ■ Bits per Second – 15200 ■ Data Bits – 8 ■ Parity – None ■ S[...]

62 Restoring Fac tory Settings Restoring Factory Settings The Access Point can be reset to th e default factory settings either through the web br owser (see “Ba ckup/ Restore Settings” on page 56) or manually . T o restore the settings manually , insert a pointed object (such as the end of a straighte ned paper clip) into t he reset hole on th[...]

Diagnosing Problems 63 A T R OUBLESHOOTING Diagnosing Problems If you have difficulty with th e Access point, try the following solutions. Symptom After you change the IP address, r estore a backup configuration, or reset the Access Point to fact ory defaults, the Configuration Management System stops res ponding and you cannot continue configuring[...]

64 Diagnosing P roblems 2 Return to the 3Com W ireless Infrastructure Device Manager and click Refresh. 3 Select the device and click Configur e to star t a new configuration session and set its IP addres s. Symptom The Wireless Network T ree does not ap pear in the 3Com Wireless Infrastructure Device Manager window . Solution V erify that you are [...]

Diagnosing Problems 65 4 Make sure the subnet address ma tches that of the computer . Symptom T wo Access Points cannot communicate in ad-hoc mode. Solution Adjust the positions of the Access Points to improve r eception. T o ensure correct operation in ad-hoc mode, the settings on the two Access Points must match exactly . Launch the Access Point [...]

66 Diagnosing P roblems should also obtain its IP setti ngs from the DHCP server , make sure this is configured pr operly on the IP Network page and applied just before ending the session. Symptom Disconnecting the Access Point Solution T o disconn ect the Access Point: CAUTION: Disconnecting the Access Point ends the network association. T o avoid[...]

Diagnosing Problems 67 From the Windows Start menu, se lect Start > Programs > 3Com Wireless > Uninstall 3Com Wireless Infrastructur e Device Manager . When prompted to confirm, click OK. Symptom Upgrading Access Point Firmware. Solution Firmwar e is the software that is installed on the Access Point a t the factory . Some problems can be [...]

68 T el ephone T echnical Support and Rep air B O BTAINING S UPPORT F OR Y OUR 3 COM P ROD U C T T elephone T echnical Support and Repair T o obtain telephone support as part of your warranty and other service benefits, you must fi rst register your product at: http://eSupp ort.3Com.com/ When you contact 3Com for a ssistance, have the following inf[...]

T ele phone T echnical Support and Repair 69 and under warranty , you can obtai n an RMA number on line at http://eSupport.3Com.com/ . First-time users must apply for a user name and password. T elephone numbers are correct at the time of publication. Find a current dir ectory of 3Com resources by r egion at: http://csoweb4.3Co m.com/contactus/[...]

70 T el ephone T echnical Support and Rep air C E ND -U SER L ICENSE A GR EEMENT Customer shall take al l steps ne cessary to protect Wind River's and its licensors' proprietary righ ts in the Run-T ime Module and to ensure that each Run-Time Module distributed by Customer will be accompanied by a localized copy of an End-User License Agr[...]

T ele phone T echnical Support and Repair 71 without limitation the implied warranties of merchantability , fitness for a particular purpose, title and non-in fringement; (iii) exclude liability for any special, indirect, punitive, incidental and consequential damages; and (i v) requir e that any further distribution of the Run-Time M odule be subj[...]

72 Antennas Used per Mo de D A PPENDIX Antennas Used per Mode The AP has three external antenna connectors, labelled A, B and C, as shown below . Figure 35 External Antenna Conn ectors A B C[...]

Antennas Used per Mode 73 In some modes, not all of the connectors are in use. The following table defines whic h external antenna connectors are used in which mode: Note: When using 1x1 mode, either in WDS mode or in AP mode using the 3CWE591 Omni antenna, only connector A is active. This is the connector on the far ri ght, looking at the AP with [...]

74 Console Cable Pin-out Console Cable Pin-out 81 51 6 9 P1 P2[...]

Console Cable Pin-out 75 Figure 36 RJ45 to D-SUB 9 p in cable For part numbers and purchasing information, visit the 3COM Web site (http://www .3com.com). P1 Pin no. WIRE COLOR P2 Pin no. 8 YELLO W 1 6 BROWN 2 2 GRAY 3 1 GREEN 4 5 RED 5 3 BLUE 6 4 BLACK 7 7 WHITE 8[...]

76 Console Cable Pin-out[...]

Numerics 802.11a .................... ............... 9 802.11b/g .................... .......... 10 802.11d .................... ............. 41 A Access Point mode ....... .......... 27 Administration ............. .......... 52 Advanced Settings ............. ..... 39 Antennas Used per Mode ....... 72 B Backup ................ .................[...]

L login .................... ............ 14 , 18 M MAC Filtering ................. ....... 54 Management VLAN ............... 43 P Passwo rd ............ 14 , 18 , 52 , 61 Power over Ethernet (PoE) ....... 9 Q Quality of Service (QoS) ......... 42 R Rebooting ......................... .... 60 Restore ................ ................ .. 56 Rogue A[...]

Wireless Network Standards .... . 9 WPA .............. ................ ........ 34 WPA2 ............ ................ . 35 , 36[...]