Page 3 - Contents; Introduction
Contents Introduction Product Features 6 Security 7 Performance and Reliability 7 Manageability 7 Wireless Network Standards 8 Far-Reaching 802.11g 8 High-Performance 802.11a 8 Network Configuration and Planning 9 Ad Hoc Wireless LAN 9 Infrastructure Wireless LAN 9 Infrastructure Wireless LAN for Ro...
Page 4 - System Configuration
2 System Configuration Using the 3Com Wireless Device Manager 26 Launching a Wireless Device Configuration 26 Using the Pre-IP Configuration Wizard 28 Configuration Login 28 Setting the Country Code 28 Basic Setup 29 Advanced Setup 30 Identification 30 TCP/IP Settings 30 DHCP Client 30 Secure Web Se...
Page 6 - NTRODUCTION; RODUCT; —Creates an enterprise-class wireless LAN supporting up to
6 o I NTRODUCTION The 3Com® Wireless LAN Access Points 8250, 8500, and 8750 offer a dual-mode architecture that supports 802.11g, 802.11a and 802.11b wireless users on a single device. This means you can mix and match radio bands to meet different coverage and bandwidth needs within the same area. D...
Page 8 - EACHING
8 need to consider AC power outlet locations. PoE support makes it easier than ever to overcome installation problems with difficult-to-wire or hard-to-reach locations. W IRELESS N ETWORK S TANDARDS Understanding the characteristics of the 802.11g and 802.11a standards can help you make the best cho...
Page 9 - Ad hoc for departmental or SOHO LAN; OC; NFRASTRUCTURE; LAN
9 o Supporting a dense user base confined to a small coverage area. Because 802.11a has a greater number of non-overlapping channels, you can pack more access points in a tighter space. N ETWORK C ONFIGURATION AND P LANNING The wireless solution supports a stand-alone wireless network configuration ...
Page 10 - FOR; PC
10 The infrastructure configuration not only extends the accessibility of wireless PCs to the wired LAN, but also increases the effective wireless transmission range for wireless PCs by passing their signal through one or more access points. A wireless infrastructure can be used for access to a cent...
Page 11 - ERMINOLOGY; —An internetworking device that seamlessly connects wired and
11 T ERMINOLOGY Access Point —An internetworking device that seamlessly connects wired and wireless networks. Ad Hoc —An ad hoc wireless LAN is a group of computers, each with LAN adapters, connected as an independent wireless LAN. Backbone —The core infrastructure of a network. The portion of the n...
Page 13 - NSTALLATION; The following items are required for installation:
13 1 I NSTALLING THE A CCESS P OINT This equipment must be installed in compliance with local and national building codes, regulatory restrictions, and FCC rules. For the safety of people and equipment, this product must be installed by a professional technician/installer. I NSTALLATION R EQUIREMENT...
Page 15 - A S
15 D ECIDING W HERE TO P LACE E QUIPMENT AND P ERFORMING A S ITE S URVEY The access point is ideally designed for vertical installation on a wall surface, but can also be flat-surface mounted in an elevated location where it will not be disturbed. Ceiling installation is not recommended. Whether you...
Page 16 - serious damage to the access point.
16 B EFORE Y OU B EGIN Record the access point MAC address in a safe place before the access point is installed in a hard-to-reach location. The MAC address is printed on the back of the access point housing. The following illustration shows the front and rear views of the access point, including th...
Page 17 - Carefully unpack the standard detachable antennas.; ONNECTING; There are two ways to supply power to the access point:
17 1 Carefully unpack the standard detachable antennas. 2 Screw an antenna into each of the sockets in the access point housing. 3 Hand-tighten the antennas at the very base of the SMA connectors without handling the antenna tips. 4 Access Point 8250 and Access Point 8750: Position the antennas so t...
Page 18 - Refer to the illustration above, and follow these steps:; To avoid damaging network equipment, make sure that the cables are
18 o Connect the access point directly to your own power-over-Ethernet hub or switch, which must also comply with the IEEE 802.3af standard. If you supply your own Ethernet cable for connecting power, be sure that it is standard category 5 straight-through (8-wire) cable that has not been altered in...
Page 19 - on the power supply, and plug; SING; LAN P; ORT; HECKING; LED; OUNTING; Name
19 4 To link the access point to your Ethernet network, plug one end of another Ethernet cable into the port labeled To Hub/Switch on the power supply, and plug the other end into a LAN port (on a hub or in a wall). U SING A P OWER -O VER -E THERNET LAN P ORT If your LAN equipment complies with the ...
Page 21 - Note
21 3 Position the access point at an angle to the mounting plate bayonet connection and turn the unit clockwise until it snaps into place, as shown below. F LAT S URFACE I NSTALLATION The access point can also be placed on a flat surface such as a table, desktop or filing cabinet. Do not install the...
Page 25 - View the Documentation; Com Wireless Infrastructure Device Manager.; Tools and Utilities
25 To view product documentation, select View the Documentation from the CD Startup Menu and then select the item you wish to view. The software Tools and Utilities include: o 3Com Wireless Infrastructure Device Manager. Use this tool to discover access points and select devices for administrative c...
Page 26 - AUNCHING; To launch the 3Com Device Manager, select
26 2 S YSTEM C ONFIGURATION The access point can be configured using a Web browser that has Java support (Internet Explorer 5.0 or newer). Using the Web management interface, you can configure the access point and view statistics to monitor network activity. The 3Com Wireless Infrastructure Device M...
Page 27 - Button
27 exclamation points (!). You can refresh this display by clicking Refresh . You should refresh the display, for example, after you change a device IP address. 2 In the Wireless Network Tree, select the device you want to configure.If more than one wireless LAN device appears in the tree and you ar...
Page 28 - Next
28 U SING THE P RE -IP C ONFIGURATION W IZARD You can only configure devices that are on the same subnet as your computer. To configure a device on a different subnet, you must first assign it an IP address on the same subnet as your computer. After you launch the configuration, you can change setti...
Page 30 - Advanced Setup; DENTIFICATION; DHCP C; LIENT; IP Address
30 A DVANCED S ETUP The Advanced Setup pages allow you to configure features that are not available in the basic setup. On the Home page, click Advanced Setup to open the Advanced Setup menu. After making selections and entering data on each page, click Apply to save the changes. The following secti...
Page 31 - RADIUS; KEY
31 address of one or more domain name servers. Enter those addresses in Primary DNS Address and Secondary DNS Address fields. S ECURE W EB S ERVER C ONNECTION This option controls whether Secure Socket Layer (SSL) technology is used to encrypt information between the computer and the device during a...
Page 32 - Enable; UTHENTICATION
32 In the RADIUS Authentication section, enter the required parameters for a primary and secondary RADIUS authentication server. In the RADIUS Accounting section, click the Enable radio button, then enter required parameters for a primary and secondary RADIUS accounting server. When you are finished...
Page 34 - Access Point 802.1x Authentication to Network; —802.1x can also be enabled on; Local MAC Authentication; —Client computers can be filtered using the unique; Field; Parameter
34 o Access Point 802.1x Authentication to Network —802.1x can also be enabled on the ethernet port of the switch that the access point’s ethernet cable is plugged into. Having 802.1x enabled on the switch prevents any device that is not able to successfully authenticate from being able to use the e...
Page 35 - ILTERING; VLAN
35 F ILTER C ONTROL The Filter Control page allows you to control client communication within the wireless network. You may enable one or more types of supported filtering; however, some filter choices may supersede others. Configure the options as described below. When you are finished, click Apply...
Page 36 - Native VLAN ID; Local Bridge Filter; MAC A; Uplink Filter
36 VLAN Switch ports must be tagged ports that match the VLAN ID on the Access Point. Associated client VLAN IDs will appear in the Syslog file in ASCII Decimal format. When VLAN filtering is enabled, the access point queries the server for the VLAN IDs of associating clients and saves the VLAN IDs....
Page 37 - Ethernet Type Filter Enable,; SNMP; ISO Designator
37 the airport. However the client to client blocking feature of the AP will only block communications to other clients associated with the same AP. And will not block client to client of another AP communications. By using the Uplink Filtering function of the AP communications to all other clients ...
Page 38 - DMINISTRATION; Browse
38 string for authentication. Select SNMP Enable and enter data into the fields as described below. When you are finished, click Apply. o Location —Specifies the access point location. o Contact —Sets the system location string that describes the system location. (Maximum length: 255 characters) o C...
Page 39 - YSTEM
39 To back up a configuration — Type the IP address of the TFTP server and a name for the backup file in the spaces provided. Click Basic (to save a partial configuration) or Complete (to save an entire configuration) and click Backup Configuration . To restore a configuration — Type the IP address ...
Page 41 - Turbo Mode Enable; Radio Channel; Auto Channel Select; Maximum Station Data Rate
41 o SSID —Enter the Service Set ID (up to 32 alphanumeric characters). Clients must set their SSIDs to match the access point. The SSID is case sensitive. o Closed System — Enabling this option will not publicly broadcast the SSID. o Turbo Mode (802.11a only) —Turbo Mode is an enhanced wireless LAN...
Page 42 - —Sets the interval at which a beacon will; ECURITY
42 Fragmentation of the PDUs (Package Data Unit) can increase the reliability of transmissions because it increases the probability of a successful transmission due to smaller frame size. If there is significant interference present, or collisions due to high network utilization, try setting the fra...
Page 43 - Open System; Require Windows user authentication; ONFIGURING
43 C ONFIGURING A UTHENTICATION Three types of authentication can be configured: o Open System (the default)—Allows access to everyone. o Shared Key —If Shared Key is enabled, Encryption must also be enabled as described in “Configuring Encryption” on page 43. o 128-Bit Dynamic Security Link —This o...
Page 44 - WPA Configuration; To configure WPA encryption:; See WPA note below; Enter the pre-shared key in the space provided if necessary.
44 The following sections describe how to configure each type of encryption. When you are finished configuring the encryption, click Apply. WPA Configuration To configure WPA encryption: 1 Under WPA Configuration, click the Required check box if you want to limit access to clients using WPA encrypti...
Page 45 - WEP Configuration; To configure WEP encryption:
45 - If only one Radio is installed, and “WPA pre-shared key (PSK)” is selected on the security page, then the 802.1x Wireless Setup can be either “Disabled” or “Supported” on the Authentication Page. -If only one Radio is installed and “WPA authentication over 802.1x” is selected on the security pa...
Page 47 - WPA
47 e WEP Configuration has at least one valid WEP key. f Click on Apply . 11 The Access Point is now configured for RADIUS Authentication. H OW TO SETUP THE ACCESS POINT FOR WPA WITH 802.1 X S ESSION KEYS 1 Using the Wireless Infrastructure Device Manger access the configuration screen for the AP8x0...
Page 49 - WPA C; ONFIGURATION; XP; A WPA-capable wireless network interface card is required.
49 WPA C ONFIGURATION FOR W INDOWS XP The following table shows how to configure the access point to support the various authentication and encryption options available for Windows XP Wireless Zero Configuration. The following notes apply to configuring the access point for WPA under Windows XP: o A...
Page 51 - ROUBLESHOOTING; If necessary, reset the access point to the factory defaults.; Symptom
51 3 T ROUBLESHOOTING If you have difficulty with the 3Com Wireless LAN access point, first check the following items in the configuration: o Radio Settings page: Ensure that the SSID is the same on clients and the access point. o Security page: Ensure that Encryption is the same on clients and the ...
Page 54 - BTAINING; Extended Warranty and Professional Services is; Com Knowledgebase
54 A T ECHNICAL S UPPORT O BTAINING S UPPORT FOR YOUR P RODUCT R EGISTER Y OUR P RODUCT TO G AIN S ERVICE B ENEFITS To take advantage of warranty and other service benefits, you must first register your product at http://eSupport.3com.com/ . 3Com eSupport services are based on accounts that you crea...
Page 56 - Philippines; From the following countries, you may use the numbers shown:
56 Country Telephone Number Country Telephone Number Asia, Pacific Rim Telephone Technical Support and Repair Australia Hong Kong India Indonesia Japan Malaysia New Zealand Pakistan 1 800 678 515 800 933 486 +61 2 9424 5179 or 000800 650 1111 001 803 61009 00531 616 439 or 03 5977 7991 1800 801 777 ...
Page 57 - North America
57 Latin America: Telephone Technical Support and Repair. You can obtain support in this region using the following URLs: Latin America. Spanish speakers, enter the URL: http://lat.3com.com/lat/support/form.html Portuguese speakers, enter the URL: http://lat.3com.com/br/support/form.html English spe...
Page 62 - NDEX; Numbers
I NDEX Numbers 3Com 3CDaemon Server Tool 25 3Com Network Supervisor 253Com Passphrase encryption 463Com Wireless Infrastructure Device Manager 25, 26 802.11a, turbo mode 41802.1x reauthentication refresh rate 34802.1x setup 33 A access control, 43access point installation 13IP address, troubleshooti...
