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11a/b/g Wireless Workgroup Bridge

User Guide

Model: WL-560
3CRWE675075
http://www.3com.com/
Part No. DUA6750-75AAA03
Published August 2005

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Summary of Contents for 3Com WL-560

  • Page 1: User Guide

    11a/b/g Wireless Workgroup Bridge User Guide Model: WL-560 3CRWE675075 http://www.3com.com/ Part No. DUA6750-75AAA03 Published August 2005...
  • Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from time MA USA 01752-3064 to time without obligation on the part of 3Com Corporation to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose.
  • Page 3: Table Of Contents

    Connecting to an Ethernet Device About the Client List Connecting to a Hub Connecting to a Network Printer Connecting to a Computer Checking the LED Indicators Attaching an External Antenna Determining if You Need to Configure the Bridge Using the 3Com Installation CD...
  • Page 4 ONFIGURING THE RIDGE Using Secure Web Server Connection Using the 3Com Wireless Infrastructure Device Manager Using the Configuration Management System Clearing and Applying System Configuration Settings Changing System Properties Setting IP Network Properties Setting Wireless Network Properties Manually Selecting Radio Channels...
  • Page 5 Enabling the SNTP Client Resetting the Bridge Restoring the Bridge to Factory Defaults Upgrading the Bridge Firmware Using FTP (default) Using TFTP Using HTTP Changing the Administration Login Name and Password Backing Up Configuration Settings and System Logs Restoring a Configuration Clearing the Ethernet Client List Viewing Connection Status Viewing System Summary...
  • Page 7: About This Guide

    Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) or HTML on the 3Com World Wide Web site: http://www.3com.com/...
  • Page 8: Conventions

    BOUT UIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device.
  • Page 9: Accessing Online Documentation

    Management System Online Help To access the online documentation from the CD: 1 Insert the 3Com Installation CD supplied with your Bridge in the CD-ROM drive. The setup menu appears. If it does not appear, you can start the setup menu from the Windows Start menu.
  • Page 10: Product Registration And Support

    To register your product with 3Com, go to the following Web page: Registration and http://esupport.3com.com Support For support information, see “Obtaining Support for Your 3Com Product” on page 63 or log on to the 3Com Web site at http://www.3com.com and navigate to the product support page.
  • Page 11: Introduction

    NTRODUCTION 3Com wireless technology has all of the benefits of a local area network (LAN) without the constraints and expense of network wiring. 3Com 11a/b/g Wireless LAN products provide easy, affordable, flexible ways to extend wireless networks to more users. This guide shows how...
  • Page 12: Wireless Network Standards

    1: I HAPTER NTRODUCTION Wireless Network Understanding the characteristics of the 802.11a and 802.11g standards Standards can help you make the best choice for your wireless implementation plans. 802.11a Ratified in 2002, 802.11a is IEEE’s more recent wireless standard. It operates at the 5 GHz band and supports data rates at up to 54 Mbps.
  • Page 13: Network Configuration And Planning

    The workgroup associates with the wired network through a wireless LAN access point such as the 3Com 11a/b/g Wireless LAN Access Point. Infrastructure configurations extend your wireless LAN to devices that would otherwise have to be connected to the wired network.
  • Page 14: Example Configurations

    1: I HAPTER NTRODUCTION Example The following examples illustrate ways you can use the Bridge to Configurations configure Ethernet client devices into workgroups. (Details for setting up specific configurations are in “Installing the Bridge” on page 9.) Wireless Infrastructure Network You can connect several computers, including those with non-Windows operating systems, and network printers, as shown in Figure 1.
  • Page 15: Installing The Bridge

    Checking the LED Indicators ■ Attaching an External Antenna ■ Determining if You Need to Configure the Bridge ■ Using the 3Com Installation CD ■ Unpacking the Make sure that you have the following items, which are included with the Bridge Bridge: Power adapter and power cord.
  • Page 16: Observing Safety Precautions

    2: I HAPTER NSTALLING THE RIDGE Figure 3 shows the front view of the Bridge, including the LEDs and connecting ports. It also shows the cradle, which is used to mount the Bridge to a wall or to install the Bridge on a flat surface. Figure 3 Bridge 11 a / b / g W ireless W orkgroup B ridge...
  • Page 17: Deciding Where To Place The Bridge

    Deciding Where to Place the Bridge Deciding Where to Place the Bridge in a dry, clean location near the hub, computer, or printer Place the Bridge that will be connected to the Bridge. The location must have a power source and be within the following distance of a Wi-Fi compliant wireless LAN access point or ad-hoc wireless station: For 802.11a compatibility, place the Bridge within 50 m (164 ft) of a ■...
  • Page 18: Installing The Locking Bar

    2: I HAPTER NSTALLING THE RIDGE Figure 5 Wall-Mounting the Bridge C radle 3 Connect the power and Ethernet cables to the ports on the Bridge. 4 Snap the Bridge onto the cradle. Installing the For additional security, install the locking bar in the cradle after the Bridge Locking Bar is mounted to the wall.
  • Page 19: Placing The Bridge On A Flat Surface

    Deciding Where to Place the Bridge 3 Insert a lock through the hole on the locking bar, and then close the lock to secure it in place, as shown in Figure 7. Figure 7 Securing the Locking Bar Placing the Bridge on The Bridge comes with four rubber feet that can be used to install the a Flat Surface Bridge on a flat surface such as a table or desktop.
  • Page 20: Connecting The Bridge

    2: I HAPTER NSTALLING THE RIDGE Connecting the The Bridge has power, Ethernet, and serial ports, as shown in Figure 8. Bridge Before connecting the Bridge to an Ethernet device, connect the power. Figure 8 Connecting the Power P ower C able E thernet C able...
  • Page 21: Connecting To An Ethernet Device

    Connecting the Bridge Connecting to an The Bridge is designed to be connected to an Ethernet client device such Ethernet Device as a hub, computer, or printer. CAUTION: To avoid the possibility of a transmission loop situation between the Bridge and an access point, which could disrupt network operation, do not connect a Bridge that is set in Wireless Client (Infrastructure) mode directly to the LAN (for example, through a wall port or through a hub that is connected directly to the LAN).
  • Page 22: Connecting To A Network Printer

    2: I HAPTER NSTALLING THE RIDGE Connecting to a You can connect a network printer directly to the Bridge or to a hub that Network Printer is connected to the Bridge. Used this way, the Bridge allows you to place network printers in areas that are not wired for Ethernet.
  • Page 23: Checking The Led Indicators

    Checking the LED Indicators Checking the LED When the Bridge is connected to power, LEDs indicate activity as follows: Indicators Figure 13 LED Indicators Table 3 LED Descriptions Color Indicates Power Green The Bridge is powered up and operating normally. The Bridge is not receiving power or there is a fault with the power supply.
  • Page 24: Attaching An External Antenna

    If your network has a DHCP server, an IP address is automatically assigned to the Bridge. It takes approximately one to two minutes for the Bridge to determine if there is a DHCP server on the network. Use the 3Com Wireless Infrastructure Device Manager (Widman) included on the 3Com Installation CD to locate the Bridge on the network and view its IP address.
  • Page 25 If the Configuration Management System does not start, the Bridge is ■ on a different subnet than the computer. Install and start the 3Com Wireless Infrastructure Device Manager to discover the Bridge’s IP address. See “Using the 3Com Wireless Infrastructure Device...
  • Page 26 Bridge Default Settings Table 4 shows the Bridge configuration factory defaults. Table 4 Factory Default Settings Property Default Setting Device Name 3Com WWB Device Location None (blank) Country For U.S. version, United States and Canada For non-U.S. version, set by the user...
  • Page 27: Using The 3Com Installation Cd

    Installation CD 3Com Wireless Infrastructure Device Manager – An administration ■ tool that helps you select 3Com wireless LAN devices and launch their configurations in your Web browser. 3Com 3CDaemon Server Tool – A firmware upgrade tool that can act ■...
  • Page 28 To install one of the tools on your computer: 1 Turn on the computer. 2 Insert the 3Com Installation CD in the CD-ROM drive. The setup menu appears. If it does not appear, you can start the setup menu from the Windows Start menu. For example: Start > Run >...
  • Page 29: Configuring The Bridge

    Table 6 Configuration Tools Configuration Tool Description 3Com Wireless Helps you locate 3Com wireless LAN devices on the Infrastructure Device network, select a device and view its properties, and Manager (Widman) launch the device’s configuration in your Web browser.
  • Page 30: Using The 3Com Wireless Infrastructure Device Manager

    If there is more than one device with the same name in the network (for example, 3Com WWB), make a note of the MAC address of the device you want to select so that you can identify it in the device manager.
  • Page 31 Using the 3Com Wireless Infrastructure Device Manager in a different subnet than your computer are identified with exclamation points (!). You can refresh this display by clicking Refresh. You should refresh the display, for example, after you change a device IP address.
  • Page 32 The configuration main page appears in your Web browser. See “Using the Configuration Management System” on page 27 for details. Table 7 describes the functions of the buttons in the 3Com Wireless Infrastructure Device Manager window. Table 7 Infrastructure Device Manager Options...
  • Page 33: Using The Configuration Management System

    There are two ways to access the Configuration Management System: Enter the IP address of the Bridge in your computer’s Web browser. ■ Start the 3Com Wireless Infrastructure Device Manager, locate the ■ Bridge, and then click Configure. For non-U.S. versions of the Bridge, when you first open the Configuration Management System you are prompted to select the country in which the Bridge is operating.
  • Page 34: Clearing And Applying System Configuration Settings

    3: C HAPTER ONFIGURING THE RIDGE Table 8 Connection Status Page (continued) Radio Mode The way in which the Bridge selects Auto-Select a radio band. Current Channel The channel over which the Bridge Varies is communicating with clients. Security The type of security for which the Open System Bridge is configured.
  • Page 35: Changing System Properties

    Ethernet clients attached to the Bridge. Support Single Wired Ethernet Client is used only when the Bridge is used for replacement of a 3Com Ethernet Client Bridge. Select a MAC option: Capture: Each time the Bridge is ■ powered on, it captures its MAC address from the first packet it receives on the Ethernet port.
  • Page 36: Setting Ip Network Properties

    IP address. Therefore, you must do the following steps after changing the IP address: 1 Close your browser. 2 Return to the 3Com Wireless Infrastructure Device Manager and click Refresh. 3 Select the device and click Configure to start a new configuration session.
  • Page 37: Setting Wireless Network Properties

    Setting Wireless Network Properties Table 10 IP Network Properties Page Setting Description Default IP Network Setting This setting allows you to change the IP Obtain an IP address of the device. address automatically To let the device get an IP address automatically from a DHCP server, select Obtain an IP address automatically and click Apply.
  • Page 38 3: C HAPTER ONFIGURING THE RIDGE Table 11 Wireless Network Page Setting Description Default Network Mode Select Wireless Client (Infrastructure) to Wireless Client associate with an access point. (Infrastructure) Select Ad-hoc (Peer-to-Peer) to join or form an ad-hoc network. Radio Mode See “Network Configuration and Auto Select Planning”...
  • Page 39 Setting Wireless Network Properties Table 11 Wireless Network Page (continued) Wireless LAN Select Attach to any WLAN Service Area Attach to any Service Area (ESSID) automatically to allow the Bridge WLAN Service to associate with any access point without Area (ESSID) specifying the ESSID.
  • Page 40 3: C HAPTER ONFIGURING THE RIDGE Table 11 Wireless Network Page (continued) Channel Selection If Radio Mode is set to Auto Select, you do not have the following options to choose from. When the network mode is Wireless Client (Infrastructure), a user may have the Bridge automatically select an appropriate channel by using Automatic Best Channel or specify the channels by...
  • Page 41: Manually Selecting Radio Channels

    1 Connect the first Bridge to power and use the Ethernet cable to connect it to the computer. 2 Use the 3Com Wireless Infrastructure Device Manager to select the Bridge and launch the Configuration Management System. 3 Under System Configuration, click Wireless Network.
  • Page 42: Changing Wireless Security Settings

    Wi-Fi certified. This type of security requires you to set up encryption in one of the following ways: String (3Com Passphrase) – For use only with other 3Com 11a/b/g ■ wireless devices, an encryption string is a case-sensitive string of characters between 6 and 30 characters long.
  • Page 43: 104/128-Bit Wep Key

    Selected Key column to specify which key to use and select Apply. 104/128-bit WEP Key This option can be used with other 3Com 11a/b/g Wireless LAN devices and with equipment from certain manufacturers that also support 104/128-bit WEP key encryption. It provides a higher level of security than the 40/60-bit WEP key (Wi-Fi) option and uses a more complicated type of encryption.
  • Page 44: Tkip

    3: C HAPTER ONFIGURING THE RIDGE To configure dynamic WEP with LEAP-compatible mode: 1 On the Wireless Security page, click Dynamic WEP with LEAP-compatible mode. 2 In User name, type the user name for your RADIUS account. 3 In Password, type the password for your RADIUS account. 4 Click Apply.
  • Page 45: Managing Certificates

    Managing Certificates hexadecimals. The 64 hexadecimals can be automatically generated by selecting Generate a Random Key. WPA: Select an authentication type, and enter a user name and a ■ password for TTLS and PEAP, or select a user certificate for TLS. If you select LEAP-compatible mode, enter the user name and password for your RADIUS account.
  • Page 46: Uploading A User Certificate

    3: C HAPTER ONFIGURING THE RIDGE Uploading a User You can upload up to eight user certificates. To upload a user certificate: Certificate 1 Under User certificate, click Add, and then enter the Upload Trusted Root Certificate page. 2 In File Name, type the file name manually, or click Browse to select a trusted root certificate stored on your local computer.
  • Page 47: Changing Radius Settings

    Changing RADIUS Settings Changing RADIUS Under System Configuration, click RADIUS. The RADIUS page appears, Settings where you can set the primary and secondary RADIUS Server settings. This page allows for configuration of a Remote Access Dial-in User Service (RADIUS) server for authentication purposes in 802.1X networks. You can change the settings by entering values in the fields as described in Table 13.
  • Page 48: Using The 802.1X Exception List

    3: C HAPTER ONFIGURING THE RIDGE Table 13 RADIUS Authentication Server Settings Setting Description 802.1X Enable or disable RADIUS authentication by selecting Enable Authenticator State or Disable. Primary RADIUS Enter the IP address of the primary RADIUS Authentication Server Server. Make sure this address matches the address set in the RADIUS Authentication software.
  • Page 49: Adding A New Mac Address To The 802.1X Exception List

    Changing SNMP Settings 7 Click Apply. To delete one or more clients from the 802.1X Exception List: 1 On the 802.1X Exception List page, select the check box for the client or clients that you want to delete. 2 Click Delete. 3 Click Apply.
  • Page 50: Using The Access Control List

    3: C HAPTER ONFIGURING THE RIDGE Table 14 SNMP Settings (continued) Trap Destination Enter the IP address of the trap manager that will receive IP Address these messages. Trap Destination Enter the community name of the trap manager that will Community Name receive these messages.
  • Page 51: Configuring The Serial Port

    Configuring the Serial Port 6 Click Apply. To delete one or more clients from the Access Control List: 1 Select the client or clients. 2 Click Delete. 3 Click Apply. Configuring the Under System Configuration, click Serial Port to set up operation of Serial Port network serial port or serial telnet client.
  • Page 52: Configuring Network Serial Port Settings

    3: C HAPTER ONFIGURING THE RIDGE Table 16 UART Settings Setting Description Default Data Bits The data bits setting determines the number of bits used to transmit a character. Parity The parity determines the parity None checking scheme. Stop Bits The stop bits setting determines the number of bits used to represent an end of a character.
  • Page 53 Configuring the Serial Port For Client Mode, select Client Mode and enter the IP address and port number to which the Bridge connects. The default port number is 4000. The parameters Line Length, Timeout and Delimiter control the serial-to-network packet conversion process. Most users will not need to change them.
  • Page 54: Configuring The Serial Telnet Client

    3: C HAPTER ONFIGURING THE RIDGE values. For example, if you want to use the delimiter 41375, you must type the following hex values: 0x34 0x31 0x33 0x37 0x35 If you are unsure of the hex value for your delimiter character, consult the Web page www.asciitable.com for reference.
  • Page 55: Applying Settings

    Configuring System Log Settings Applying Settings After you set the UART settings, network serial port settings or serial telnet client settings, click Apply to apply them. Configuring System Under System Configuration, click System Log. The System Log page Log Settings appears where you can set syslog options.
  • Page 56: Setting The Time Manually

    3: C HAPTER ONFIGURING THE RIDGE If you enable the SNTP client, you need to specify at least one SNTP server from which the Bridge will retrieve the time. Supported SNTP versions are v1.0 and v2.0. Setting the Time To set the time manually: Manually 1 In SNTP Client, click Disable.
  • Page 57: Resetting The Bridge

    Resetting the Bridge Resetting the If the Bridge stops responding correctly, you can perform a reset, which Bridge disrupts the network association temporarily, but does not affect Bridge configuration settings that have already been applied with Apply. To reset the Bridge, under Tools, click Reset Wireless Workgroup Bridge. In the next page, click Reset.
  • Page 58: Upgrading The Bridge Firmware

    IP address. If you want to continue configuring the Bridge, do the following: 1 Close your browser. 2 Return to the 3Com Wireless Infrastructure Device Manager and click Refresh. 3 Select the device and click Configure to start a new configuration session. Upgrading the...
  • Page 59: Using Http

    The upgrade takes place through the HTTP protocol from the local computer. Changing the 3Com recommends that you set a password to protect against Administration unauthorized access. After you set the password, you must enter it each Login Name and time you launch the configuration for the device.
  • Page 60: Restoring A Configuration

    3: C HAPTER ONFIGURING THE RIDGE Device name ■ Device location ■ IP address settings ■ Access control list ■ Basic configuration, on the other hand, includes the same set of information, except the IP address settings. 3 Click the backup method that you want to use. Available options include FTP, TFTP, and HTTP.
  • Page 61: Clearing The Ethernet Client List

    If you want to continue configuring the Bridge, do the following: 1 Close your browser. 2 Return to the 3Com Wireless Infrastructure Device Manager, and then click Refresh. 3 Select the device and click Configure to start a new configuration session.
  • Page 62: Viewing Connection Status

    Property Description Default Value Device Name The name assigned to the Bridge. You can 3Com WWB change the default name to one of your choice by clicking System Properties under System Configuration. Device Location If you use the default device name, entering None the location is optional.
  • Page 63: Viewing Event Logs

    Viewing Event Logs Table 18 System Summary Page (continued) Country Code The Country Code determines the available Varies channels and transmission power level based on regulatory restrictions in the county where the Bridge is installed. Transmit Power The level of transmission power (100%, 100% 50%, 25%, 12%, or Min).
  • Page 64: Logging Off The Web Interface

    3: C HAPTER ONFIGURING THE RIDGE The events table can display up to 500 events. When the number of events reaches this limit and new events occur, the system will automatically delete older events so that it can record newer events. Logging Off the To prevent unauthorized users from accessing the Web interface and Web Interface...
  • Page 65: Troubleshooting

    1 Disconnect a client by unplugging its Ethernet cable from the hub. 2 Use the 3Com Wireless Infrastructure Device Manager to select the Bridge and launch its Configuration Management System. 3 Under System Configuration, click Ethernet Client List.
  • Page 66 Bridge. 1 Close your browser. 2 Return to the 3Com Wireless Infrastructure Device Manager and click Refresh. 3 Select the device and click Configure to start a new configuration session and set its IP address.
  • Page 67: Disconnecting The Bridge

    Documentation system procedure for removing programs or use the following shortcut: 1 From the Windows Start menu, select Start > Programs > 3Com Wireless > Uninstall 3Com Wireless Infrastructure Device Manager. 2 When prompted to confirm, click OK.
  • Page 68: Upgrading Bridge Firmware

    Firmware Some problems can be solved by installing a new version of the firmware. For details on how to download a firmware update from the 3Com customer support Web site and install it on your Bridge, see “Upgrading the Bridge Firmware” on page 52.
  • Page 69: Upport For Your

    To take advantage of warranty and other service benefits, you must first Product to Gain register your product at: Service Benefits http://eSupport.3com.com/ 3Com eSupport services are based on accounts that are created or that you are authorized to access. Solve Problems The 3Com Knowledgebase helps you to troubleshoot 3Com products. Online This query-based interactive tool is located at: http://knowledgebase.3com.com...
  • Page 70: Purchase Extended Warranty And Professional Services

    3Com or your reseller. Support contracts that include software upgrades cover feature enhancements, incremental functionality, and bug fixes, but they do not include software that is released by 3Com as a separately ordered product. Separately orderable software releases and...
  • Page 71: Telephone Technical Support And Repair

    Details about recent configuration changes, if applicable ■ To send a product directly to 3Com for repair, you must first obtain a return materials authorization number (RMA). Products sent to 3Com without authorization numbers clearly marked on the outside of the package will be returned to the sender unopened, at the sender’s expense.
  • Page 72 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 speakers in Latin America should send e-mail to: lat_support_anc@3com.com ■ US and Canada — Telephone Technical Support and Repair 1 847 262 0070 All locations: Network Jacks; Wired or Wireless Network Interface Cards:...
  • Page 73: End User License Agreement

    ICENSE GREEMENT Customer shall take all steps necessary to protect Wind River's and its licensors' proprietary rights in the Run-Time Module and to ensure that each Run-Time Module distributed by Customer will be accompanied by a localized copy of an End User License Agreement. Such End User License Agreement shall prohibit the End User from: (i) copying the Run-Time Module, except for archive purposes consistent with the End User's archive procedures;...
  • Page 75 3Com's warranty and all applicable regulatory certifications and approvals. Only antennas specified for your region by 3Com can be used with this product. The use of external amplifiers or non-3Com antennas may invalidate regulatory certifications and approvals.
  • Page 76 Complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 3Com 11a/b/g Wireless Workgroup Bridge Model WL-560 - RF C...
  • Page 77 Hierbij verklaart 3Com Corporation dat het toestel RLAN device in overeenstemming is met de essentiële eisen en de andere relevante bepalingen van richtlijn 1999/5/EG Bij deze verklaart 3Com Corporation dat deze RLAN device voldoet aan de essentiële eisen en aan de overige relevante bepalingen van Richtlijn 1999/5/EC.
  • Page 78 3Com Corporation týmto vyhlasuje, ze RLAN device spĺňa základné Slovak po_iadavky a všetky príslušné ustanovenia Smernice 1999/5/ES. 3Com Corporation tímto prohlašuje, ze tento RLAN device je ve shodě se Czech základními pozadavky a dalšími příslušnými ustanoveními směrnice 1999/5/ES. Slovene Šiuo 3Com Corporation deklaruoja, kad šis RLAN device atitinka esminius...
  • Page 79 The 5GHz Turbo mode feature is not allowed for operation in any European Community country. ■ This device must not be operated in ad-hoc mode using channels in the 5GHz bands in the European ■ Community. Ad-hoc mode provides a direct communication between two client devices without a Wireless LAN Access Point.

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