3Com 3CRWE675075 - 11a/b/g Wireless LAN Workgroup Bridge User Manual Download

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Using the 3Com Installation CD

Using the 3Com
Installation CD

The 3Com Installation CD contains the following tools and utilities:

■

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 in four different capacities:

■

As a TFTP Server, used for firmware upgrades as well as backup
and restore functions.

■

As a SysLog Server, which is necessary to view SysLog messages.

■

As an optional TFTP Client.

■

As an optional FTP Server.

To use the 3Com Installation CD, you need a computer running one of the
operating systems and browser listed in

Table 5.

Table 5

Supported Operating Systems and Browser

Operating Systems

Windows XP

Windows 2000

Windows NT 4.0

Windows Me

Windows 98

Browser

Internet Explorer (latest version is recommended)

Summary of Contents for 3CRWE675075 - 11a/b/g Wireless LAN Workgroup Bridge

Page 1: ...http www 3com com Part No DUA6750 75AAA01 Published November 2004 Version 1 0 2 3Com 11a b g Wireless Workgroup Bridge User Guide Model WL 560 3CRWE675075 ...

Page 2: ... not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo are registered trademarks of 3Com Corporation Intel and Pentium a...

Page 3: ...serving Safety Precautions 10 Deciding Where to Place the Bridge 11 Wall Mounting the Bridge 11 Installing the Locking Bar 12 Placing the Bridge on a Flat Surface 13 Connecting the Bridge 14 Connecting to a Serial Device 14 Connecting to an Ethernet Device 15 About the Client List 15 Connecting to a Hub 15 Connecting to a Network Printer 16 Connecting to a Computer 16 Checking the LED Indicators 1...

Page 4: ...anging Wireless Security Settings 35 Changing RADIUS Settings 37 Changing SNMP Settings 38 Using the Access Control List 39 Serial Port 40 Resetting the Bridge 42 Restoring the Bridge to Factory Defaults 43 Upgrading the System 44 Changing the Administration Login Name and Password 45 Backing up a Configuration 45 Restoring a Configuration 46 Logging Out 46 Clearing the Ethernet Client List 46 Vie...

Page 5: ...ur Product to Gain Service Benefits 53 Solve Problems Online 53 Purchase Extended Warranty and Professional Services 54 Access Software Downloads 54 Contact Us 54 Telephone Technical Support and Repair 55 END USER LICENSE AGREEMENT REGULATORY INFORMATION ...

Page 6: ......

Page 7: ...tallation and administration professionals who have a basic knowledge of current networking concepts If the information in the release notes that are shipped with your product differ from the information in this guide follow the instructions in the release notes Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com World Wide Web ...

Page 8: ...x The word syntax means that you must evaluate the syntax provided and then supply the appropriate values for the placeholders that appear in angle brackets Example To change your password use the following syntax system password password In this example you must supply a password for password The words enter and type When you see the word enter in this guide you must type something and then press...

Page 9: ...owing online documentation 3Com 11a b g Wireless Workgroup Bridge User Guide 3Com Wireless Infrastructure Device Manager Online Help 3Com 11a b g Wireless Workgroup Bridge Configuration 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 star...

Page 10: ... register your product with 3Com go to the following Web page http esupport 3com com For support information see Obtaining Support for your 3Com Product on page 53 or log on to the 3Com Web site at http www 3com com and navigate to the product support page ...

Page 11: ...ess Workgroup Bridge includes a robust suite of standards based security features and supports wireless network standards including 802 11a and 802 11g Security To protect sensitive data broadcast over the radio 3Com supports Wireless Equivalent Privacy WEP RC4 64 bit 128 bit and 152 bit shared key encryption 3Com strengthens this basic security mechanism with additional security features includin...

Page 12: ... in a confined space and you are Running high bandwidth applications like voice video or multimedia over a wireless network that can benefit from a five fold increase in data throughput Transferring large files like computer aided design files preprint publishing documents or graphics files such as MRI scans for medical applications that demand additional bandwidth Supporting a dense user base con...

Page 13: ...uration or an integrated configuration with 10 100 Mbps Ethernet LANs Operating in infrastructure mode and connected to an Ethernet hub a single Bridge can combine up to 16 client devices such as computers with network adapters and printers into a multiclient workgroup The workgroup associates with the wired network through a wireless LAN access point such as the 3Com 11a b g Wireless LAN Access P...

Page 14: ...g systems and network printers as shown in Figure 1 Figure 1 Wireless Infrastructure Network Workgroup Ad Hoc Network You can provide flexible wireless network association for small groups in areas that cannot be wired as shown in Figure 2 Figure 2 Workgroup Ad Hoc Network POWE R POWE R ETHE RNET ETHE RNET WIRE LESS WIRE LESS POWE R POWE R ETHE RNET ETHE RNET WIRE LESS WIRE LESS 11g 100 10 11a Acc...

Page 15: ...Installation CD Unpacking the Bridge Make sure that you have the following items which are included with the Bridge Power adapter and power cord Standard Category 5 unshielded twisted pair UTP Ethernet cable Locking bar used for securing a wall mounted installation Rubber feet four used for a flat surface installation 3Com Installation CD For wall mounting installations you need the following item...

Page 16: ...ency RF exposure limits a minimum body to antenna distance of 20 cm 8 in must be maintained when the Bridge is operational WARNING To avoid possible injury or damage to equipment you must use either the provided power supply or power supply equipment that is safety certified according to UL CSA IEC or other applicable national or international safety requirements for the country of use All referen...

Page 17: ... compatibility place the Bridge within 100 m 328 ft of a Wi Fi compliant wireless LAN access point The location should be away from transformers heavy duty motors fluorescent lights microwave ovens refrigerators or other equipment that could cause radio signal interference Wall Mounting the Bridge The Bridge comes with a cradle for mounting on a wall For additional security the Bridge also comes w...

Page 18: ...ower and Ethernet cables to the ports on the Bridge 4 Snap the Bridge onto the cradle Installing the Locking Bar For additional security install the locking bar in the cradle after the Bridge is mounted to the wall Use your own lock to secure it in place To install the locking bar 1 Insert the locking bar through the opening in the side of the cradle as shown in Figure 6 Figure 6 Inserting the Loc...

Page 19: ...g Bar Placing the Bridge on a Flat Surface The Bridge comes with four rubber feet that can be used to install the Bridge on a flat surface such as a table or desktop CAUTION Do not place the Bridge on any type of metal surface Select a location that is clear of obstructions and provides good reception Remove the backing from the rubber feet and attach them to the bottom of the cradle After the rub...

Page 20: ... the Power Connecting to a Serial Device The Bridge can also be connected to a serial device as shown in Figure 9 Serial cables come with a variety of connector sizes If your connector is large and prevents the cradle from being attached to the Bridge remove the end cap on the cradle This allows the connector to extend through the cradle Figure 9 Connecting a Serial Cable Power Cable Ethernet Cabl...

Page 21: ...specific devices that have been connected After 16 different devices have been connected the client list is full and you must clear it before the next new device can associate with the network through the Bridge To clear the list you must access the Bridge s Configuration Management System Details are in Clearing the Ethernet Client List on page 46 Connecting to a Hub You can supply network connec...

Page 22: ...n 4 Connect the network printer directly to the Bridge as shown in Figure 11 or to a hub that is connected to the Bridge as shown in Connecting to a Hub on page 15 Figure 11 Connecting to a Network Printer Connecting to a Computer You can connect the Bridge directly to a computer through Ethernet as shown in Figure 12 Used this way the Bridge can convert a desktop computer to a wireless computer T...

Page 23: ...io band connection The Bridge has WLAN frame transmission over the 802 11a 5 GHz radio band No link is present 11b g Green solid Green blinking Off The Bridge has an 802 11g 2 4 GHz radio band connection The Bridge has WLAN frame transmission over the 802 11g 2 4 GHz radio band No link is present 100 Green solid Green blinking Off The Bridge has a 100 Mbps Fast Ethernet connection The Bridge has 1...

Page 24: ...ting the Bridge on page 14 If your network does not have a DHCP server or is more complex you may have to configure the Bridge and organize devices so that you can manage the wireless LAN easily and keep it secure You can use the 3Com Wireless Infrastructure Device Manager Widman included on the 3Com Installation CD For non U S versions of the Bridge you need to set the Country mode This is done w...

Page 25: ...See Figure 12 on page 16 for a connection diagram 2 Enter the Bridge s default IP address 169 254 2 2 into the computer s web browser If the Configuration Management System starts the Bridge is using the factory assigned IP address You can configure the Bridge with the following login information Login name admin Password none blank See Configuring the Bridge on page 23 for detailed instructions I...

Page 26: ...55 0 0 without a DHCP server Gateway IP Address Obtained automatically with a DHCP server 0 0 0 0 without a DHCP server Network Mode Wireless Client Infrastructure Radio Mode Auto Select Wireless LAN Service Area Attach to any WLAN Service Area ESSID automatically Channel Selection Automatic Best Channel uses access point setting Transmit Power 100 Antenna Selection Internal Data Preamble Long if ...

Page 27: ...tool that can act in four different capacities As a TFTP Server used for firmware upgrades as well as backup and restore functions As a SysLog Server which is necessary to view SysLog messages As an optional TFTP Client As an optional FTP Server To use the 3Com Installation CD you need a computer running one of the operating systems and browser listed in Table 5 Table 5 Supported Operating Systems...

Page 28: ...d setup exe 3 In the menu click Tools and Utilities 4 In the next screen click the tool you want to install 5 Follow the instructions on the screens to complete the installation Reboot the computer if prompted to do so 6 Launch the tool from the Windows Start menu For details on using the Wireless Infrastructure Device Manager see Using the 3Com Wireless Infrastructure Device Manager on page 24 Fo...

Page 29: ... You must enable the HTTPS option to establish a secure session See Web GUI Protocol in Table 9 on page 30 for instructions Table 6 Configuration Tools Configuration Tool Description 3Com Wireless Infrastructure Device Manager Widman Helps you locate 3Com wireless LAN devices on the network select a device and view its properties and launch the device s configuration in your Web browser See Using ...

Page 30: ...less network or in some cases with the Bridge connected directly to the computer 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 If you do not have a DHCP server on your network it can take up to one minute for a device to become discovered after...

Page 31: ...e wireless LAN device appears in the tree and you are not sure that you have selected the right one click Properties and check the MAC address to verify that it is the one you want 3 Click Configure If the selected device is on the same subnet as your computer the Configuration Management System main page appears in your Web browser See Using the Configuration Management System on page 27 for deta...

Page 32: ...Infrastructure Device Manager Options Button Description Properties Displays the following properties of the selected device Device Name Device Type Wireless LAN Service Area ESSID IP Address Subnet Mask and MAC Address Configure Launches the Configuration Management System for the selected device If the selected device is on a different subnet you are prompted to assign an address on the same sub...

Page 33: ...first open the Configuration Management System you are prompted to select the country in which the Bridge is operating Select the country in which the Bridge is installed to ensure compliance with local regulations and then click Apply When you first open the Configuration Management System you are prompted for a user name and password User name admin Password blank press enter The Configuration M...

Page 34: ...nicating with clients Varies Security The type of security for which the Bridge is configured Open System no security Rx Data Rate Mbps The most recent data reception rate N A Tx Data Rate Mbps The most recent data transmission rate N A Link Quality The normalized transmitted data rate that is the current data rate over the maximum data rate Note Link Quality is shown in Infrastructure mode only N...

Page 35: ...e 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 The Bridge detects and uses the same MAC address as the device plugged into the Ethernet port The Bridge uses the previous...

Page 36: ... scheme over SSL during a configuration session HTTPS enables SSL technology HTTP disables SSL technology HTTP Table 9 System Properties Page continued Table 10 IP Network Properties Page Setting Description IP Network Setting This setting allows you to change the IP address of the device To let the device get an IP address automatically from a DHCP server select Obtain an IP address automatically...

Page 37: ...s point and the station Table 11 Wireless Network Page Setting Description Network Mode Select Wireless Client Infrastructure to associate with an access point Select Ad hoc Peer to Peer to join or form an ad hoc network Radio Mode See Network Configuration and Planning on page 7 for information on selecting the best Radio Mode for your network Select Auto Select to have the Bridge select the best...

Page 38: ...e WLAN service area 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 using Specify Channel When the network mode is Ad hoc Peer to Peer you may specify chan...

Page 39: ...ernal antenna this setting automatically determines which antenna is best for sending packets to individually attached clients Choose this setting if the Bridge is located in a place that is surrounded or hindered by metal paths or walls Data Preamble To increase performance click Short Enhanced performance When equipment that does not support short preamble is also being used click Long Wi Fi Int...

Page 40: ...ement System 3 Under System Configuration click Wireless Network 4 In the Wireless Network page a Locate the Network Mode field and select Ad hoc Peer to Peer b Specify the Wireless LAN Service Area and the Channel Selection as described in Setting Wireless Network Properties on page 31 c Set the Data Preamble To increase performance select Short Enhanced performance When equipment that does not s...

Page 41: ...s communication among compatible wireless LAN clients and access points from third party manufacturers that are Wi Fi certified This type of security requires you to set up encryption in one of the following ways String 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 To enter the string select Ente...

Page 42: ...ou to set up encryption using a string or shared keys as described in 40 64 bit Shared Key WEP on page 35 Click the button preceding Specify Shared Keys and Which Key to Use to create or modify WEP keys TKIP The Temporal Key Integrity Protocol TKIP option improves data encryption over WEP scheme by dynamically updating the encryption keys every 10 000 packets TKIP provides per packet key mixing a ...

Page 43: ...re 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 12 When you are finished select Apply Table 12 RADIUS Authentication Server Settings Setting Description 802 1x Authe...

Page 44: ...fault port is 1812 Secondary RADIUS Secret Enter the password of the secondary RADIUS Authentication Server Make sure this password matches the password set in the RADIUS Authentication software Table 12 RADIUS Authentication Server Settings continued Table 13 SNMP Settings Setting Description SNMP Enables or disables SNMP Contact Sets the location string that describes the system location Maximum...

Page 45: ...lows all Ethernet frames except those carrying the MAC addresses that are specified in the Access Control List and have the permission type Deny Similarly with the Deny option of the System Default Mode selected the Bridge denies all Ethernet frames except those carrying the MAC addresses that are specified in the Access Control List and have the permission type Allow Make sure that the MAC addres...

Page 46: ...cket connection The Bridge network serial port may be used in two modes Server Mode TCP Listen Port Client Mode TCP Connect Port In Server Mode the Bridge waits for a TCP IP socket connection to be made by the network program with which it will communicate Server Mode should be used if you have a central server that expects to open a TCP IP socket connection to the Bridge In Client Mode the Bridge...

Page 47: ...t device The Data Bits setting determines the number of bits used to transmit data The possible values are 7 and 8 3 Determine the stop bits setting of the device you are connecting to the Bridge then set the Stop Bits setting on the Bridge that matches the stop bits setting of that device The Stop Bits setting determines the number of bits used to represent an end of a character The value can be ...

Page 48: ...ich listens to a designated port The other Bridge is then set to client mode which connects to the designated port on the IP address of the Bridge set to server mode Resetting the Bridge If the Bridge stops responding correctly you can perform a reset which disrupts the network association temporarily but does not affect Bridge configuration settings that have already been applied with Apply To re...

Page 49: ... in the cradle as shown in Figure 16 or with the Bridge out of the cradle Figure 16 Manually Resetting the Bridge in the Cradle To restore the settings through software 1 Under Tools click Restore Factory Defaults 2 Click Restore If the Bridge was using an IP address setting other than the default restoring the factory defaults will change the IP address If you want to continue configuring the Bri...

Page 50: ...d file placed on your computer Using FTP default The general instructions for installing the upgrade using FTP are 1 Launch the Configuration Management System 2 Under Tools click Upgrade System 3 Select FTP 4 Enter the IP address of the FTP server where the upgrade files are located 5 Enter the user name password path and filename in the appropriate fields 6 Click Upgrade Using TFTP The general i...

Page 51: ... device Under Tools click Change Administration Password The Change Administration Password page appears where you can change the login name and administration password for the device Enter the current password and new password in the spaces provided and click Save Backing up a Configuration As part of system maintenance you should save and back up the configurations of individual Bridges in case ...

Page 52: ...k Logout under Tools Clearing the Ethernet Client List The Bridge supports up to 16 specific clients for example computers and printers and keeps track of the clients with a list of their MAC addresses After the client limit is reached you must clear the client list to allow a new client to associate with the network For example in a hub configuration with 16 clients connected if you disconnect a ...

Page 53: ...ge is installed Varies Transmit Power The level of transmission power 100 50 25 12 or Min You can change this setting by clicking Wireless Network under System Configuration 100 MAC Address The MAC address of the Bridge N A Serial Number The serial number of the Bridge N A Firmware Version The version of firmware the Bridge is currently using N A DHCP Client Determines if the Bridge obtains its IP...

Page 54: ......

Page 55: ...fter the client limit is reached you must clear the client list to allow a new client to associate For example in a hub configuration with 16 clients connected if you disconnect a desktop computer and connect a laptop in its place you must clear the client list to establish network association 1 Disconnect a client by unplugging its Ethernet cable from the hub 2 Use the 3Com Wireless Infrastructur...

Page 56: ...cess point The Wireless Network Tree does not appear in the 3Com Wireless Infrastructure Device Manager window Verify that you are using the correct network adapter In the device manager window click Choose NIC Select the network adapter for the network you want to scan and click OK The Bridge has a yellow exclamation point next to it in the Wireless Infrastructure Device Manager The Bridge is on ...

Page 57: ...ss The Bridge configuration settings may not be compatible with the network If they are not and your Windows NT computer is set up to obtain its IP address from a DHCP server the Bridge is unable to associate with the network to obtain the IP address To work around this set a static IP address on your computer Then set the Bridge configuration to match the network When the Bridge is able to associ...

Page 58: ...are that is installed on the Bridge at the factory 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 System on page 44 ...

Page 59: ...vice Benefits 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 are created or that you are authorized to access Solve Problems Online The 3Com Knowledgebase helps you to troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3com com It con...

Page 60: ...the version of software that you initially purchased with your 3Com product To obtain access to this software you need to register your product and then use the Serial Number as your login Restricted Software is available at http eSupport 3com com To obtain software releases that follow the software version that you originally purchased 3Com recommends that you buy an Express or Guardian contract ...

Page 61: ...s registered and under warranty you can obtain an RMA number online at http eSupport 3com com First time users must apply for a user name and password Telephone numbers are correct at the time of publication Find a current directory of 3Com resources by region at http csoweb4 3com com contactus Country Telephone Number Country Telephone Number Asia Pacific Rim Telephone Technical Support and Repai...

Page 62: ...3COM 1 800 998 2112 1 800 998 2112 1 800 998 2112 52 5 201 0010 1 800 998 2112 1 800 998 2112 0800 13 3COM 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 Guatemala Haiti Honduras Jamaica Martinique Mexico Nicaragua Panama Paraguay Peru Puerto Rico Salvador Trinidad and Tobago Uruguay Venezuela Virgin Islands AT T 800 998 2112...

Page 63: ...ons and v using the Run Time Module other than in connection with operation of the Target Application In addition the End User License Agreement shall i state that the Run Time Module is licensed not sold and that Customer and its licensors retain ownership of all copies of the Run Time Module ii expressly disclaim all implied warranties including without limitation the implied warranties of merch...

Page 64: ......

Page 65: ...CC 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 This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of FCC Rules These limits are designed to provide reasonabl...

Page 66: ...oduct Brand Name 3Com Corporation Model Number WL 560 Equipment Type 11a b g Wireless Workgroup Bridge 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 ...

Page 67: ...ndoors and away from windows to provide maximum shielding Equipment or its transmit antenna that is installed outdoors is subject to licensing Pour empecher que cet appareil cause du brouillage au service faisant l objet d une licence il doit etre utilize a l interieur et devrait etre place loin des fenetres afin de Fournier un ecram de blindage maximal Si le matriel ou son antenne d emission est ...

Page 68: ...Wireless Workgroup Bridge est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE Par la présente 3Com Corporation déclare que ce 11a b g Wireless Workgroup Bridge est conforme aux exigences essentielles et aux autres dispositions de la directive 1999 5 CE qui lui sont applicables Swedish Härmed intygar 3Com Corporation Company att denna 11a b g Wir...

Page 69: ...dessus d un espace public aucun enregistrement n est nécessaire pour une distance de moins de 300m Pour une distance supérieure à 300m un enregistrement auprès de I IBPT est requise Pour les enregistrements et licences veuillez contacter I IBPT Deutschland License required for outdoor installations Check with reseller for procedure to follow Anmeldung im Outdoor Bereich notwendig aber nicht genehm...

Page 70: ...s Points that have employed and activated a radar detection feature required for European Community operation in the 5GHz bands This device will operate under the control of the Access Point in order to avoid operating on a channel occupied by any radar system in the area The presence of nearby radar operation may result in temporary interruption in communications of this device The Access Point s...

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