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Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows

OL-1394-04

Chapter 5 Configuring the Client Adapter

Setting Advanced Infrastructure Parameters

Figure 5-3

Advanced (Infrastructure) Screen

Table 5-4

lists and describes the client adapter’s advanced infrastructure parameters. Follow the

instructions in the table to change any parameters.

Summary of Contents for Cisco Aironet Wireless LAN Client

Page 1: ...Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 526 4100 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows Customer Order Number Text Part Number OL 1394 04 ...

Page 2: ... the interference stops Move the equipment to one side or the other of the television or radio Move the equipment farther away from the television or radio Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses Modifications to this...

Page 3: ...Technical Assistance xvi Cisco com xvi Technical Assistance Center xvii Cisco TAC Web Site xvii Cisco TAC Escalation Center xviii C H A P T E R 1 Product Overview 1 1 Introduction to the Client Adapters 1 2 Terminology 1 3 Hardware Components 1 3 Radio 1 3 Radio Antenna 1 4 LEDs 1 4 Software Components 1 5 Radio Firmware 1 5 Driver 1 5 Client Utility 1 5 Overview of ACU 1 6 Buttons on the ACU Scre...

Page 4: ...the Driver 3 3 Installing the Driver for Windows 95 3 4 Windows 95 Version A 3 5 Windows 95 Version B 3 6 Installing the Driver for Windows 98 3 8 Installing the Driver for Windows NT 3 11 Installing the Driver for Windows 2000 3 13 Installing the Driver for Windows Millennium Edition Me 3 15 Installing the Driver for Windows XP 3 17 Installing ACU 3 20 Verifying Installation 3 23 Selecting from T...

Page 5: ...ecurity Parameters 5 20 Setting the Allow Association To Mixed Cells Parameter 5 21 Overview of Security Features 5 21 Static WEP Keys 5 22 EAP with Static or Dynamic WEP Keys 5 22 Additional WEP Key Security Features 5 25 Synchronizing Security Features 5 26 Using Static WEP 5 28 Entering a New Static WEP Key 5 28 Overwriting an Existing Static WEP Key 5 30 Disabling Static WEP 5 30 Enabling LEAP...

Page 6: ...rd Insertion 6 11 After a Reboot or Logon 6 11 After Your LEAP Credentials Expire 6 11 Using EAP TLS 6 12 After Profile Selection or Card Insertion 6 12 After a Reboot or Logon 6 12 Using EAP MD5 6 13 Using PEAP 6 13 After Profile Selection Card Insertion Reboot or Logon 6 13 Windows NT or 2000 Domain Databases or LDAP Databases Only 6 14 OTP Databases Only 6 15 After Your Password Expires Windows...

Page 7: ...for Windows 95 and 98 8 9 Upgrading the Driver for Windows NT 8 10 Upgrading the Driver for Windows 2000 8 11 Upgrading the Driver for Windows Me 8 12 Upgrading the Driver for Windows XP 8 13 Uninstalling the Driver 8 14 Uninstalling the 6 10 Driver 8 14 Uninstalling a Driver Other Than the 6 10 Driver 8 17 ACU Procedures 8 19 Opening ACU 8 19 Exiting ACU 8 20 Modifying ACU Installation Settings 8...

Page 8: ...o the Network 9 7 Losing Association Upon Resuming from Suspend Mode Windows NT and Mini PCI Card Only 9 7 Parameters Missing from ACU Properties Screens 9 8 LEAP Login Screen Appears Before Windows Login Screen 9 8 Microsoft Hot Fixes 9 8 Error Messages 9 9 General Error Messages 9 9 LEAP Authentication Error Messages 9 12 PEAP Authentication Error Messages 9 15 For All PEAP Supported Databases 9...

Page 9: ...Guidelines for Operating Cisco Aironet Wireless LAN Client Adapters in Japan C 6 Japanese Translation C 6 English Translation C 7 A P P E N D I X D Channels Power Levels and Antenna Gains D 1 Channels D 2 For IEEE 802 11a D 2 For IEEE 802 11b D 3 Maximum Power Levels and Antenna Gains D 4 For IEEE 802 11a D 4 For IEEE 802 11b D 4 A P P E N D I X E Configuring the Client Adapter through Windows XP ...

Page 10: ... Guide for Windows OL 1394 04 A P P E N D I X F Performing a Site Survey F 1 Overview F 2 Guidelines F 2 Additional Information F 2 Specifying Signal Strength Units F 3 Using Passive Mode F 3 Using Active Mode F 7 Forcing the Client Adapter To Reassociate F 13 G L O S S A R Y I N D E X ...

Page 11: ...s Installation and Configuration Guide for Windows references related publications and explains how to obtain other documentation and technical assistance if necessary The following topics are covered in this section Audience page xii Purpose page xii Organization page xii Conventions page xiii Related Publications page xv Obtaining Documentation page xv Obtaining Technical Assistance page xvi ...

Page 12: ... manager feature to create and manage profiles for your client adapter Chapter 5 Configuring the Client Adapter explains how to change the configuration parameters for a specific profile Chapter 6 Using EAP Authentication explains the sequence of events that occurs and the actions you must take when a profile that is set for EAP authentication is selected for use Chapter 7 Performing Diagnostics e...

Page 13: ...ou are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents To see translations of the warnings that appear in this publication refer to the appendix Translated Safety Warnings Waarschuwing Dit waarschuwingssymbool betekent gevaar U verkeert in een s...

Page 14: ... delle avvertenze di sicurezza Advarsel Dette varselsymbolet betyr fare Du befinner deg i en situasjon som kan føre til personskade Før du utfører arbeid på utstyr må du være oppmerksom på de faremomentene som elektriske kretser innebærer samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker Hvis du vil se oversettelser av de advarslene som finnes i denne publikasjonen kan du se ...

Page 15: ... for Cisco Aironet Access Points Cisco Aironet 1200 Series Access Point Hardware Installation Guide Cisco Aironet 1200 Series Access Point Software Configuration Guide Release Notes for Cisco Aironet 1200 Series Access Points Obtaining Documentation These sections explain how to obtain documentation from Cisco Systems World Wide Web You can access the most current Cisco documentation on the World ...

Page 16: ...isco com You can submit your comments by mail by using the response card behind the front cover of your document or by writing to the following address Cisco Systems Attn Document Resource Connection 170 West Tasman Drive San Jose CA 95134 9883 We appreciate your comments Obtaining Technical Assistance Cisco provides Cisco com as a starting point for all technical assistance Customers and partners...

Page 17: ...ificant aspects of business operations No workaround is available Priority level 1 P1 Your production network is down and a critical impact to business operations will occur if service is not restored quickly No workaround is available The Cisco TAC resource that you choose is based on the priority of the problem and the conditions of service contracts when applicable Cisco TAC Web Site You can us...

Page 18: ...ontact the TAC Escalation Center with a P1 or P2 problem a Cisco TAC engineer automatically opens a case To obtain a directory of toll free Cisco TAC telephone numbers for your country go to this URL http www cisco com warp public 687 Directory DirTAC shtml Before calling please check with your network operations center to determine the level of Cisco support services to which your company is enti...

Page 19: ...erview This chapter describes the Cisco Aironet Wireless LAN Client Adapters and illustrates their role in a wireless network The following topics are covered in this chapter Introduction to the Client Adapters page 1 2 Hardware Components page 1 3 Software Components page 1 5 Network Configurations Using the Client Adapter page 1 7 ...

Page 20: ...pped with an external Type II or Type III PC card slot Host devices can include laptops notebook computers personal digital assistants and handheld or portable devices The PC card is available in the 340 and 350 series LM card AIR LMC3xx An IEEE 802 11b compliant 11 Mbps 2 4 GHz PCMCIA card radio module that is usually preinstalled in a device equipped with an internal Type II or Type III PC card ...

Page 21: ...dio and the 350 series 100 mW radio transmit data over a half duplex radio channel operating at up to 11 Mbps These cards interoperate with other IEEE 802 11b compliant client devices in ad hoc or peer to peer mode or with Cisco Aironet 340 350 and 1200 Series Access Points with a 2 4 GHz radio and other IEEE 802 11b compliant infrastructure devices in infrastructure mode They are approved for ind...

Page 22: ...cally selects the antenna that presents the best RF signal If only one antenna is used the radio finds and uses it regardless of which connector it is plugged into PC Cardbus cards have an integrated permanently attached non diversity antenna that contains two antenna ports one for transmitting and one for receiving The card cannot switch and sample between the ports The antenna is housed within t...

Page 23: ...structions for installing the driver Note The CD has the latest version of the driver available at the time of pressing however a more recent version of the driver may be available from Cisco com Cisco recommends installing the most current version of the driver Chapter 3 provides instructions for installing the driver from either location Client Utility The client utility which is entitled Airone...

Page 24: ...oint the status bar shows the name of the access point provided it was configured with one If shown the access point name is limited to 16 characters by the client adapter s radio firmware The status bar also shows either the IP address or the MAC address of the access point to which the client adapter is associated The information shown in the status bar is updated once per second The right side ...

Page 25: ...onfigure your wireless network This section describes and illustrates the two most common network configurations Ad hoc wireless local area network LAN Wireless infrastructure with workstations accessing a wired LAN For examples of more complex network configurations involving client adapters and access points refer to the Hardware Installation Guide for your access point Note Refer to Chapter 5 f...

Page 26: ...urations Using the Client Adapter Ad Hoc Wireless LAN An ad hoc or peer to peer wireless LAN see Figure 1 2 is the simplest wireless LAN configuration In a wireless LAN using an ad hoc network configuration all devices equipped with a client adapter can be linked together and communicate directly with each other Figure 1 2 Ad Hoc Wireless LAN 47520 ...

Page 27: ... portable or mobile stations because it allows them to be directly connected to the wired network even while moving from one microcell domain to another This process is transparent and the connection to the file server or host is maintained without disruption The mobile station stays connected to an access point as long as it can However once the transfer of data packets needs to be retried or bea...

Page 28: ...1 10 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Chapter 1 Product Overview Network Configurations Using the Client Adapter ...

Page 29: ...dows OL 1394 04 2 Preparing for Installation This chapter provides information that you need to know before installing a client adapter The following topics are covered in this chapter Safety information page 2 2 Unpacking the Client Adapter page 2 3 System Requirements page 2 4 Site Requirements page 2 5 ...

Page 30: ...ouch or move the antenna while the unit is transmitting or receiving Do not hold any component containing a radio such that the antenna is very close to or touching any exposed parts of the body especially the face or eyes while transmitting Do not operate the radio or attempt to transmit data unless the antenna is connected otherwise the radio may be damaged High gain wall mount or mast mount ant...

Page 31: ...iods of transmitting or operating time If the antenna is positioned less than 2 inches 5 cm from the user it is recommended that the user limit exposure time Translated versions of these safety warnings are provided in Appendix B Unpacking the Client Adapter Follow these steps to unpack the client adapter Step 1 Open the shipping container and carefully remove the contents Step 2 Return all packin...

Page 32: ...th Service Pack 3 or greater and the Windows 2000 Wireless 802 1X hot fix or Windows XP if your wireless network uses EAP TLS EAP MD5 PEAP or EAP SIM authentication If your wireless network uses PEAP authentication with a One Time Password OTP user database SofToken version 1 3 2 0 or greater from Secure Computing SecurID version 2 5 from RSA or hardware token from OTP vendors Your software token ...

Page 33: ...work performance Appendix F which is provided for people who are responsible for conducting a site survey explains how ACU s site survey tool can be used to determine the best placement for infrastructure devices within a wireless network Note As a rule infrastructure devices are installed and initially configured prior to client devices For Client Devices Because the client adapter is a radio dev...

Page 34: ...2 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Chapter 2 Preparing for Installation Site Requirements ...

Page 35: ...This chapter provides instructions for installing the client adapter driver and the client utility The following topics are covered in this chapter Determining the Latest Versions of the Driver and ACU page 3 2 Installing the Driver page 3 3 Installing ACU page 3 20 Verifying Installation page 3 23 Selecting from Two Installed Client Adapters page 3 24 ...

Page 36: ...the most recent versions of the driver and ACU on your CD and Cisco com Step 1 To determine the version of the driver and ACU on the CD open the FileList txt file on the CD s root directory This file lists the version numbers for all of the software files provided on the CD Note If the FileList txt file is not present on the root directory your CD is obsolete and more recent versions of the softwa...

Page 37: ...ing ACU from Cisco com Installing the Driver Note Cisco recommends that you install the driver before you install ACU Note If a 2 4 GHz client adapter is already installed in your computer and you want to also install a 5 GHz client adapter make sure you reboot your computer immediately after installing the second adapter Otherwise the client adapter may not be able to connect to the network Note ...

Page 38: ...al up adapter VPN adapter docking station Ethernet card etc are already connected to your computer the new adapter cannot establish a network connection The driver installation instructions vary for Windows 95 Version A and Version B You can determine which version your computer is running by double clicking My Computer Control Panel System and General The version of your computer s operating syst...

Page 39: ...ect the driver file with the greatest version number for your specific client adapter type such as PCMCIA or MPI Note The drivers for PC LM and PCI cards are labeled PCMCIA LMC PCI and the drivers for mini PCI cards are labeled MPI d Read and accept the terms and conditions of the Software License Agreement e Select the file again to download it f Save the file to a floppy disk or to your computer...

Page 40: ...hich can be obtained from your system administrator in the Value dialog box Step 14 Select SSID Type your RF network s case sensitive SSID which can be obtained from your system administrator in the Value dialog box Step 15 Click OK Step 16 If you are prompted to restart your computer click Yes Step 17 If your computer is not connected to a DHCP server and you plan to use TCP IP double click My Co...

Page 41: ...ep 2 Follow the instructions in Chapter 8 to insert the client adapter into your computer The instructions vary by operating system and are different for PC cards and PCI cards Step 3 After you insert the client adapter into your computing device Windows automatically detects it and briefly opens the New Hardware Found window Step 4 Insert the CD that shipped with your client adapter or a floppy d...

Page 42: ... Type your computer s unique client name which can be obtained from your system administrator in the Value dialog box Step 18 Select SSID Type your RF network s case sensitive SSID which can be obtained from your system administrator in the Value dialog box Step 19 Click OK Step 20 If your computer is not connected to a DHCP server and you plan to use TCP IP double click My Computer Control Panel ...

Page 43: ...LMC PCI the drivers for mini PCI cards are labeled MPI and the drivers for PC Cardbus cards are labeled CB d Read and accept the terms and conditions of the Software License Agreement e Select the file again to download it f Save the file to a floppy disk or to your computer s hard drive g Find the file using Windows Explorer double click it and extract its files to a folder h Go to Step 2 Step 2 ...

Page 44: ... Windows 98 operating system CD insert this CD into your computer s CD ROM drive If your CD ROM drive is drive D the path in the dialog box should be D Win98 Click OK to copy the required files Step 14 The Add New Hardware Wizard window opens and indicates that the installation is complete Click Finish Step 15 When prompted to restart your computer remove the CD or floppy disk if installed and cli...

Page 45: ...he bundle that corresponds to your client adapter s model number such as 340 or 350 series Select the latest bundled file for Windows NT and your specific client adapter type such as PCMCIA or MPI If you want to select the client adapter s software files individually find the section for Windows drivers and click the link for Windows NT Select the driver file with the greatest version number for y...

Page 46: ...cated CD floppy disk or hard drive If you are installing the driver from the CD and your CD ROM drive is drive D the path should be D WinNT4 Step 11 Click OK Step 12 In the Select OEM Option box select the Cisco Systems Wireless LAN Adapter and click OK Step 13 In the Adapter Setup window select Client Name Type your computer s unique client name which can be obtained from your system administrato...

Page 47: ...t version number for your specific client adapter type such as CB or MPI Note The drivers for PC LM and PCI cards are labeled PCMCIA LMC PCI the drivers for mini PCI cards are labeled MPI and the drivers for PC Cardbus cards are labeled CB d Read and accept the terms and conditions of the Software License Agreement e Select the file again to download it f Save the file to a floppy disk or to your ...

Page 48: ...e Hardware tab Step 15 Click Device Manager Step 16 In the Device Manager window double click Network Adapters Step 17 Right click the Cisco Systems Wireless LAN Adapter Step 18 Click Properties Step 19 In the client adapter Properties window click the Advanced tab Step 20 In the Advanced window select Client Name Type your computer s unique client name which can be obtained from your system admin...

Page 49: ...ect the client adapter s software files individually find the section for Windows drivers and click the link for Windows Me Select the driver file with the greatest version number for your specific client adapter type such as CB or MPI Note The drivers for PC LM and PCI cards are labeled PCMCIA LMC PCI the drivers for mini PCI cards are labeled MPI and the drivers for PC Cardbus cards are labeled ...

Page 50: ...he pcx50 sys file enter the same path that you browsed to in Step 14 and click OK Step 19 When you are notified that the installation is complete click Finish Step 20 When you are prompted to restart your computer remove the CD or floppy disk if installed and click No Step 21 Double click My Computer Control Panel and Network Step 22 Select the Cisco Systems Wireless LAN Adapter Click Properties S...

Page 51: ... the software files from a single location click the bundle that corresponds to your client adapter s model number such as CB20A or 350 series Select the latest bundled file for Windows XP and your specific client adapter type such as CB or MPI If you want to select the client adapter s software files individually find the section for Windows drivers and click the link for Windows XP Select the dr...

Page 52: ...lect the Cisco Systems Wireless LAN Adapter and click Next Step 16 The installation wizard copies the driver files from the CD floppy disk or computer s hard drive When the installation is complete click Finish Step 17 Click Close on the Cisco Aironet Wireless LAN Adapter Properties screen and exit the Control Panel Note You must exit the Control Panel before opening it again in Step 18 Otherwise ...

Page 53: ...indows XP instead of through ACU go to Appendix E and follow the instructions there If you are planning to configure your client adapter through Windows XP but you want to use ACU s diagnostic tools go to Appendix E to configure the adapter through Windows XP then install ACU but do not create any profiles Table 3 2 Comparison of Windows XP and ACU Client Adapter Features Feature Windows XP ACU Co...

Page 54: ...5 30 or greater Mini PCI card driver version 3 4 or greater and firmware version 5 00 03 or greater PC Cardbus card driver version 3 4 or greater and firmware version 4 99 or greater Step 1 Close any Windows programs that are running Step 2 Perform one of the following If you are installing ACU from the CD that shipped with the client adapter follow the steps below a Insert the CD into your comput...

Page 55: ...s you to create a profile in ACU that uses LEAP authentication If this option is not selected now and you later want to use LEAP you must run this installation program again select Modify and select this option Default Selected Note Refer to Chapter 5 for information on enabling LEAP Note If you select LEAP on a Windows 95 98 or 98 SE device Microsoft hot fixes are installed during ACU installatio...

Page 56: ...vice Pack 1 for Windows XP Otherwise it will be overwritten by Microsoft s PEAP supplicant EAP SIM Installs the EAP SIM supplicant which enables the client to support EAP SIM authentication If this option is not selected now and you later want to use EAP SIM you must run this installation program again select Modify and select this option Default Deselected Note Refer to Chapter 5 for information ...

Page 57: ...f installed and click Finish Note If you are prompted to reboot your computer Cisco recommends that you select the Yes I want to restart my computer now option Step 8 The driver and client utility installation is complete The client adapter has been installed and configured for basic operation Go to the Verifying Installation section below to determine if the installation was successful After you ...

Page 58: ... up profiles in ACU Step 1 Double click the Aironet Client Utility ACU icon on your desktop to open ACU The Select A Wireless LAN Adapter Card screen appears see Figure 3 1 Note The Select A Wireless LAN Adapter Card screen appears when you start ACU only if more than one card is inserted in your computer or no cards are inserted but more than one card is installed Figure 3 1 Select A Wireless LAN...

Page 59: ...profile manager feature to create and manage profiles for your client adapter The following topics are covered in this chapter Overview of Profile Manager page 4 2 Opening Profile Manager page 4 2 Creating a New Profile page 4 3 Selecting the Active Profile page 4 4 Modifying a Profile page 4 6 Importing and Exporting Profiles page 4 7 Denying Access to Non Administrative Users page 4 8 ...

Page 60: ...dapter each time you enter a new location Profiles are stored in the part of the registry reserved for the client adapter driver and therefore are tied to radio type Consequently if you set up profiles for a 340 series PC card and later upgrade to a 350 series PC card all of the profiles will be lost Similarly all profiles are lost if you uninstall the client adapter s driver To prevent your profi...

Page 61: ...e name for your new profile for example Office Home etc Step 3 Press Enter The Properties screens appear with the name of your new profile in parentheses Step 4 Perform one of the following If you want this profile to use the default values click OK The profile is added to the list of profiles on the Profile Manager screen If you want to change any of the configuration parameter settings follow th...

Page 62: ...tication are enabled in the operating system and not in ACU you cannot switch between these authentication types simply by switching profiles in ACU You can create a profile in ACU that uses host based EAP but you must enable the specific authentication type in Windows 2000 with Service Pack 3 or greater and the Windows 2000 Wireless 802 1X hot fix or Windows XP In addition Windows can be set for ...

Page 63: ... will not switch profiles as long as it remains associated or reassociates within 10 seconds or within the time specified by the LEAP authentication timeout value To force the client adapter to associate to a different access point you must disable auto profile selection and select a new profile Note This option is available only if two or more profiles are included in auto profile selection and i...

Page 64: ...nstructions in Chapter 5 to change any of the configuration parameters for this profile Step 5 If you want this profile to be included in auto profile selection make sure the Include Profile in Auto Profile Selection check box on the Profile Manager screen is selected Note If your profile is configured to use LEAP it can be included in auto profile selection only if it has a saved LEAP username an...

Page 65: ...rofile Management drop down box select the profile that you want to delete Step 3 Click Delete Step 4 When prompted click Yes to confirm your decision Step 5 Click OK or Apply to save your change The profile is deleted Importing and Exporting Profiles This section provides instructions for importing and exporting profiles You may want to use the import export feature for the following reasons To b...

Page 66: ... 6 Select a different directory for example your computer s floppy disk drive or a location on the network from the Save in drop down box Step 7 Click Save The profile is exported to the specified location Step 8 Follow the instructions in the Importing a Profile section to import the profile on another computer Denying Access to Non Administrative Users By default ACU allows regular class users t...

Page 67: ...e Profile Manager Denying Access to Non Administrative Users Figure 4 3 Aironet Client Utility Preferences Screen Step 3 Deselect the Allow Non Administrator Users to save profiles to the registry check box or select this check box if you wish to allow regular class users to save profiles Step 4 Click OK to save your changes ...

Page 68: ...4 10 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Chapter 4 Using the Profile Manager Denying Access to Non Administrative Users ...

Page 69: ...pter explains how to change the configuration parameters for a specific profile The following topics are covered in this chapter Overview page 5 2 Setting System Parameters page 5 3 Setting RF Network Parameters page 5 6 Setting Advanced Infrastructure Parameters page 5 13 Setting Advanced Ad Hoc Parameters page 5 17 Setting Network Security Parameters page 5 20 ...

Page 70: ...at affect a specific aspect of the client adapter System Parameters Prepares the client adapter for use in a wireless network RF Network Controls how the client adapter transmits and receives data Advanced Infrastructure Controls how the client adapter operates within an infrastructure network Advanced Ad Hoc Controls how the client adapter operates within an ad hoc peer to peer network Network Se...

Page 71: ...e System Parameters screen see Figure 5 1 enables you to set parameters that prepare the client adapter for use in a wireless network This screen appears after you create and save a new profile or click Edit on the Profile Manager screen Figure 5 1 System Parameters Screen Table 5 2 lists and describes the client adapter s system parameters Follow the instructions in the table to change any parame...

Page 72: ...ensitive Default A blank field Note If you leave this parameter blank your client adapter can associate to any access point on the network that is configured to allow broadcast SSIDs see the AP Radio Hardware page in the access point management system If the access point with which the client adapter is to communicate is not configured to allow broadcast SSIDs the value of this parameter must matc...

Page 73: ...f any buffered messages are waiting for it The adapter can request each message and then go back to sleep Conserves the most power but offers the lowest throughput Is recommended for devices for which power consumption is the ultimate concern such as small battery powered devices Note When you set Max PSP mode and close ACU the following message appears the next time you open ACU Maximum Power Sav...

Page 74: ...ess this screen select the RF Network tab from the Properties screens Network Type Specifies the type of network in which your client adapter is installed Options Ad Hoc or Infrastructure Default Infrastructure Network Type Description Ad Hoc Often referred to as peer to peer Indicates that your wireless network consists of a few wireless devices that are not connected to a wired Ethernet network ...

Page 75: ...uration Guide for Windows OL 1394 04 Chapter 5 Configuring the Client Adapter Setting RF Network Parameters Figure 5 2 RF Network Screen Table 5 3 lists and describes the client adapter s RF network parameters Follow the instructions in the table to change any parameters ...

Page 76: ... Only 5 GHz client adapters Default Auto Rate Selection Data Rate Description 2 4 GHzClient Adapters 5 GHz Client Adapters Auto Rate Selection Auto Rate Selection Uses the 11 Mbps for 2 4 GHz client adapters or 54 Mbps for 5 GHz client adapters data rate when possible but drops to lower rates when necessary 1 Mbps Only 6 Mbps Only Offers the greatest range but the lowest throughput 2 Mbps Only and...

Page 77: ...x enables the client adapter to adopt the maximum transmit power level and the frequency range of the access point to which it is associated provided the access point is also configured for world mode This parameter is available only in infrastructure mode and is designed for users who travel between countries and want their client adapters to associate to access points in different regulatory dom...

Page 78: ... In ad hoc mode the channel of the client adapter must be set to match the channel used by the other clients in the wireless network Range Dependent on client adapter radio and regulatory domain Example for 2 4 GHz client adapters 1 to 11 2412 to 2462 MHz in North America Example for 5 GHz client adapters 36 40 44 48 52 56 60 and 64 5180 5200 5220 5240 5260 5280 5300 and 5320 MHz in North America ...

Page 79: ...ent adapter and allowed by your country s regulatory agency Possible Power Levels Client Adapter Type 30 mW or 1 mW 340 series PC cards 30 mW 15 mW 5 mW or 1 mW 340 series LM cards and PCI cards 100 mW 50 mW 30 mW 20 mW 5 mW or 1 mW 350 series client adapters 20 mW 10 mW or 5 mW PC Cardbus card Note Reducing the transmit power level conserves battery power but decreases radio range Note When World...

Page 80: ...CCA default value is shown in parentheses Note The CCA default value for PCM LMC PCI card firmware is Car Cor the default value for mini PCI card firmware is ED Carrier Correlation Car Cor The CCA mechanism will report that the channel is busy upon detection of a direct sequence spread spectrum DSSS signal This signal may be above or below the ED threshold Energy Detect ED The CCA mechanism will r...

Page 81: ...ss this screen select the Advanced Infrastructure tab from the Properties screens Data Retries Defines the number of times a packet is resent if the initial transmission is unsuccessful Range 1 to 128 Default 16 2 4 GHz client adapters or 32 5 GHz client adapters Note If your network protocol performs its own retries set this to a smaller value than the default This way notification of a bad packe...

Page 82: ...indows OL 1394 04 Chapter 5 Configuring the Client Adapter Setting Advanced Infrastructure Parameters Figure 5 3 Advanced Infrastructure Screen Table 5 4 lists and describes the client adapter s advanced infrastructure parameters Follow the instructions in the table to change any parameters ...

Page 83: ...ect the mode that corresponds to the antenna port to which the antenna is connected Options Diversity Both Primary Antenna Only Secondary Antenna Only Default Diversity Both PCI card The PCI card must use the Primary Antenna Only option Default Primary Antenna Only Mini PCI card The mini PCI card which can be used with one or two antennas operates best in diversity mode Diversity mode allows the c...

Page 84: ...ow level RF protocol issues to a request to send RTS packet Setting this parameter to a small value causes RTS packets to be sent more often When this occurs more of the available bandwidth is consumed and the throughput of other network packets is reduced but the system is able to recover faster from interference or collisions which may be caused from a high multipath environment characterized by...

Page 85: ...ter has been set to operate in an ad hoc network See the Network Type parameter in Table 5 2 The Advanced Ad Hoc screen see Figure 5 4 enables you to set parameters that control how the client adapter operates within an ad hoc network To access this screen select the Advanced Ad Hoc tab from the Properties screens Figure 5 4 Advanced Ad Hoc Screen Table 5 5 lists and describes the client adapter s...

Page 86: ...mode that corresponds to the antenna port to which the antenna is connected Options Diversity Both Primary Antenna Only Secondary Antenna Only Default Diversity Both PCI card The PCI card must use the Primary Antenna Only option Default Primary Antenna Only Mini PCI card The mini PCI card which can be used with one or two antennas operates best in diversity mode Diversity mode allows the card to u...

Page 87: ...ameter to a large value decreases the available bandwidth whenever interference is encountered but makes the system more immune to interference and collisions which may be caused from a high multipath environment characterized by obstructions or metallic surfaces Range 1 to 128 Default 16 2 4 GHz client adapters or 32 5 GHz client adapters Note Refer to the IEEE 802 11 Standard for more informatio...

Page 88: ...Security Parameters The Network Security screen see Figure 5 5 enables you to set parameters that control how the client adapter associates to an access point authenticates to the wireless network and encrypts and decrypts data To access this screen select the Network Security tab from the Properties screens Figure 5 5 Network Security Screen Beacon Period Kµs Specifies the duration between beacon...

Page 89: ...WEP is enabled on the client adapter Otherwise the client is unable to establish a connection with the access point Deselect the Allow Association To Mixed Cells check box if the access point with which the client adapter is to associate does not have WEP set to Optional This is the default setting Note For security reasons Cisco recommends that WEP enabled and WEP disabled clients not be allowed ...

Page 90: ...s well as to enable or disable static WEP Refer to the Using Static WEP section on page 5 28 for instructions EAP with Static or Dynamic WEP Keys The new standard for wireless LAN security as defined by the Institute of Electrical and Electronics Engineers IEEE is called 802 1X for 802 11 or simply 802 1X An access point that supports 802 1X and its protocol Extensible Authentication Protocol EAP ...

Page 91: ...tall either the PEAP or EAP SIM supplicant during ACU installation Note PC Cardbus cards do not support PEAP and EAP SIM authentication EAP TLS EAP TLS is enabled or disabled through the operating system and uses a dynamic session based WEP key which is derived from the client adapter and RADIUS server to encrypt data Once enabled a few configuration parameters must be set within the operating sys...

Page 92: ...se in public wireless LANs with clients containing Gemplus SIM smartcards in PCSC compliant smartcard readers EAP SIM is enabled or disabled through the operating system and uses a dynamic session based WEP key which is derived from the client adapter and RADIUS server to encrypt data EAP SIM requires you to enter a user verification code or PIN for communication with the SIM card You can choose t...

Page 93: ... more information on 802 1X authentication and to the following URL for additional information on RADIUS servers http www cisco com univercd cc td doc product software ios120 12cgcr secur_c scprt2 scrad htm Additional WEP Key Security Features The three security features discussed in this section MIC TKIP and broadcast key rotation are designed to prevent sophisticated attacks on your wireless net...

Page 94: ...e interval you select When you enable this feature only wireless client devices using LEAP EAP TLS PEAP or EAP SIM authentication can associate to the access point Client devices using static WEP with open shared key or EAP MD5 authentication cannot associate Synchronizing Security Features In order to use any of the security features discussed in this section both your client adapter and the acce...

Page 95: ...WEP Keys in ACU and select Enable network access control using IEEE 802 1X and MD5 Challenge as the EAP Type in Windows 2000 with Service Pack 3 and the Windows 2000 Wireless 802 1X hot fix or Windows XP Set up and enable WEP and enable Network EAP If using Windows XP to configure card Select Enable network access control using IEEE 802 1X and MD5 Challenge as the EAP Type Set up and enable WEP an...

Page 96: ...AP If using Windows XP to configure card Select Enable network access control using IEEE 802 1X and SIM Authentication as the EAP Type Set up and enable WEP with full encryption and enable Require EAP and Open Authentication MIC Use PCM LMC PCI card driver version 8 01 or greater mini PCI card driver version 2 20 or greater or PC Cardbus card driver version 3 4 or greater Set up and enable WEP wit...

Page 97: ...cation response packet indicating the success or failure of the decryption back to the client adapter If the packet is successfully encrypted decrypted the user is considered to be authenticated Note Cisco recommends that shared key authentication not be used because it presents a security risk Step 5 For the static WEP key that you are entering 1 2 3 or 4 select a WEP key size of 40 or 128 on the...

Page 98: ...ity screen A checkmark appears in the Already Set box for all existing static WEP keys Note For security reasons the codes for existing static WEP keys do not appear on the screen Step 2 Decide which existing static WEP key you want to overwrite Step 3 Click within the blank field of that key Step 4 Enter a new key following the guidelines outlined in Step 6 of the Entering a New Static WEP Key se...

Page 99: ... 06 or has draft 8 selected the client adapter must use draft 8 firmware prior to 4 25 x Similarly if the access point uses draft 10 firmware 11 06 or later and has draft 10 selected the client adapter must use draft 10 firmware 4 25 x or later Mini PCI card firmware and PC Cardbus card firmware were first released at draft 10 Follow the steps below to enable LEAP authentication for this profile S...

Page 100: ...Password Does not require you to enter a LEAP username and password each time the computer reboots Authentication occurs automatically as needed using a saved username and password which are registered with the RADIUS server Note The Use Saved User Name and Password option is available only if the Allow Saved LEAP User Name and Password check box was selected during installation Note If a profile ...

Page 101: ...u selected Use Saved User Name and Password in Step 3 follow the steps below a Enter a username and password in the appropriate fields Note Usernames and passwords are limited to 32 ASCII characters each However if a domain name is entered in the Domain field the sum of the username and domain name is limited to 31 ASCII characters b Re enter the password in the Confirm Password field c If you wis...

Page 102: ...0 Wireless 802 1X hot fix must be installed if your computer is running Windows 2000 All necessary infrastructure devices for example access points servers gateways user databases etc must be properly configured for the authentication type you plan to enable on the client Follow the steps below to enable host based EAP authentication EAP TLS EAP MD5 PEAP or EAP SIM for this profile Note Because EA...

Page 103: ... screen to save your changes Step 5 Perform one of the following depending on your computer s operating system If your computer is running Windows 2000 with Service Pack 3 and the Windows 2000 Wireless 802 1X hot fix double click My Computer Control Panel and Network and Dial up Connections Right click Local Area Connection Click Properties The Local Area Connection Properties screen appears If yo...

Page 104: ...ng on the authentication type you want to use If you are planning to use EAP TLS go to the Enabling EAP TLS section below If you are planning to use EAP MD5 go to the Enabling EAP MD5 section on page 5 37 If you are planning to use PEAP go to the Enabling PEAP section on page 5 38 If you are planning to use EAP SIM go to the Enabling EAP SIM section on page 5 40 Enabling EAP TLS Follow the steps b...

Page 105: ...the Trusted root certificate authority field Note If you leave this field blank you are prompted to accept a connection to the root certification authority during the authentication process Step 6 Click OK to save your settings The configuration is complete Note Chapter 6 describes the sequence of events that occurs when a profile that is set for EAP authentication is selected for use Enabling EAP...

Page 106: ...ect the Connect only if server name ends with check box and enter the appropriate server name suffix in the text box below Note If you leave this field blank you are prompted to accept a connection to the server to which your client adapter is connected during the authentication process Step 5 Make sure that the name of the certificate authority from which the server certificate was downloaded app...

Page 107: ...btain the one time password and enter the password when prompted for your user credentials Support Software Token The PEAP supplicant works with a software token program to retrieve the one time password You have to enter only the PIN not the one time password If you select this check box you must also select from the Supported Type drop down box the software token software that is installed on th...

Page 108: ...ter I turn my computer on recommended The software does not permanently store the PIN It prompts you for the PIN once on the first authentication of every session where a session is defined as the time between power up and shutdown or reboot Ask for my PIN every time the network asks for authentication The software never stores the PIN it prompts you for the PIN every time an EAP SIM authenticatio...

Page 109: ...pe Disabling LEAP To disable LEAP for a particular profile select None from the Network Security Type drop down box on the Network Security screen in ACU click OK and click OK or Apply on the Profile Manager screen Disabling Host Based EAP To disable host based EAP EAP TLS EAP MD5 PEAP or EAP SIM for a particular profile follow the steps below Step 1 Select None from the Network Security Type drop...

Page 110: ...ers Step 4 Click the Authentication tab Note When Service Pack 1 for Windows XP is released the Authentication tab may move from its current location To access it click the Wireless Networks tab select the network that you are configuring in the Preferred network list and click Properties Step 5 Deselect the Enable network access control using IEEE 802 1X check box Step 6 Click OK ...

Page 111: ...t is set for EAP authentication is selected for use The following topics are covered in this chapter Overview page 6 2 Using LEAP page 6 2 Using LEAP with the Windows Username and Password page 6 3 Using LEAP with an Automatically Prompted Login page 6 5 Using LEAP with a Manually Prompted Login page 6 8 Using LEAP with a Saved Username and Password page 6 11 Using EAP TLS page 6 12 Using EAP MD5 ...

Page 112: ...our profile s authentication type and credential settings to successfully authenticate Note If any error messages appear during authentication refer to Chapter 9 for explanations and recommended actions Using LEAP When LEAP authentication begins the LEAP Authentication in progress message appears This message provides information about the status of authentication Table 6 1 lists and explains the ...

Page 113: ... disappears and the Server Based Authentication field on the ACU Status screen shows LEAP Authenticated If the authentication attempt fails an error message appears after the LEAP timeout period has expired Refer to the Error Messages section in Chapter 9 for the necessary action to take After a Reboot or Logon After your computer reboots or you log on follow the steps below to LEAP authenticate S...

Page 114: ...tication attempt fails an error message appears after the LEAP timeout period has expired Refer to the Error Messages section in Chapter 9 for the necessary action to take Step 3 Windows continues to log you onto the system After Your LEAP Credentials Expire If the LEAP credentials username and password for your current profile expire or become invalid follow the steps below to reauthenticate Note...

Page 115: ...ou to enter your new credentials If you click Yes the current profile is disabled until you reboot your computer or eject and reinsert the card The Current Profile field on the Status screen lists the profile as being Disabled Using LEAP with an Automatically Prompted Login After Profile Selection or Card Insertion After you or auto profile selection select a profile that uses LEAP authentication ...

Page 116: ...e The LEAP login screen shown above appears on computers running Windows NT 2000 or XP The LEAP login screen looks slightly different on computers running other Windows operating systems The LEAP Authentication in progress message appears Step 2 If your client adapter authenticates the message disappears and the Server Based Authentication field on the ACU Status screen shows LEAP Authenticated If...

Page 117: ...tials Expire If the LEAP credentials username and password for your current profile expire or become invalid follow the steps below to reauthenticate Step 1 Click OK when the following message appears The user name and password entered for profile xxx are no longer valid and have failed the LEAP authentication Please enter a new user name and password Step 2 When the LEAP login screen appears ente...

Page 118: ...tion After you or auto profile selection select a profile that uses LEAP authentication but specifies that the process be manually invoked follow the steps below to LEAP authenticate Step 1 When the LEAP login screen appears see Figure 6 7 enter your LEAP username and password and click OK The domain name is optional Figure 6 7 LEAP Login Screen Note The LEAP login screen shown above appears on co...

Page 119: ...y attempt to authenticate You must manually invoke the authentication process To do so follow the steps below Step 1 If you rebooted your computer or logged on complete your standard Windows login Step 2 Double click the Aironet Client Utility ACU icon on your desktop to open ACU Step 3 Select the Manual LEAP Login option from the Commands drop down menu see Figure 6 8 Figure 6 8 Commands Drop Dow...

Page 120: ...r LEAP Credentials Expire If the LEAP credentials username and password for your current profile expire or become invalid follow the steps below to reauthenticate Step 1 Click OK when the following message appears The user name and password entered for profile xxx are no longer valid and have failed the LEAP authentication Please enter a new user name and password Step 2 When the LEAP login screen...

Page 121: ... Server Based Authentication field on the ACU Status screen shows LEAP Authenticated If the authentication attempt fails an error message appears after the LEAP timeout period has expired Refer to the Error Messages section in Chapter 9 for the necessary action to take 3 Windows continues to log you onto the system After Your LEAP Credentials Expire If the LEAP credentials username and password fo...

Page 122: ...pt one the same certificate is used subsequently Step 2 If a message appears indicating the root certification authority for the server s certificate and it is the correct certification authority click OK to accept the connection Otherwise click Cancel Step 3 If a message appears indicating the server to which your client adapter is connected and it is the correct server to connect to click OK to ...

Page 123: ...tials to access the network Click this message and the Wireless Network Connection screen appears Step 2 Enter your EAP MD5 authentication username password and optional domain name which are registered with the RADIUS server and click OK Step 3 The client adapter should now EAP authenticate To verify authentication double click My Computer Control Panel and Network Connections Click View and Refr...

Page 124: ...ction Otherwise click Cancel Step 4 Perform one of the following If your computer is running Windows 2000 with Service Pack 3 and the Windows 2000 Wireless 802 1X hot fix the Static Password screen appears see Figure 6 10 Go to Step 5 If your computer is running Windows XP a pop up message appears above the Windows system tray prompting you to process your logon information for your wireless netwo...

Page 125: ...uter is running Windows 2000 with Service Pack 3 and the Windows 2000 Wireless 802 1X hot fix the One Time Password screen appears see Figure 6 11 If your computer is running Windows XP a pop up message appears above the Windows system tray prompting you to process your logon information for your wireless network Click this message The One Time Password screen appears see Figure 6 11 Figure 6 11 O...

Page 126: ...your password has expired enter your old password in the Old Password field Figure 6 12 Change Password Screen Step 2 Enter your new password in both the New Password and Confirm New Password fields Note The password is also changed in the Windows NT or 2000 domain user database Step 3 Click OK The client adapter should authenticate using your new password After Your PIN Expires OTP Databases Only...

Page 127: ... authentication attempts Using EAP SIM After you or auto profile selection select a profile that uses host based EAP authentication and you configure the card in Windows 2000 with Service Pack 3 and the Windows 2000 Wireless 802 1X hot fix or XP for EAP SIM authentication the authentication process varies depending on the configuration option you selected for the SIM card s PIN If You Are Prompted...

Page 128: ... Screen Step 2 Enter your PIN and click OK The computer now retrieves information from the SIM card If you enter the PIN incorrectly you will receive an error message Note If you exceed the maximum number of retries for entering the PIN the card locks up Step 3 The client adapter should now EAP authenticate To verify authentication double click My Computer Control Panel and Network Connections Cli...

Page 129: ...emporarily changes the prompt mode to the default setting Ask for my PIN once after I turn my computer on in order to prevent the SIM from locking up Unless changed manually this setting stays in effect until your computer is powered off Change your stored PIN on the SIM Authentication Properties screen To verify authentication double click My Computer Control Panel and Network Connections Click V...

Page 130: ...6 20 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Chapter 6 Using EAP Authentication Using EAP SIM ...

Page 131: ...se ACU to perform user level diagnostics The following topics are covered in this chapter Overview of ACU Diagnostic Tools page 7 2 Setting Parameters that Affect ACU Diagnostic Tools page 7 2 Viewing the Current Status of Your Client Adapter page 7 4 Viewing Statistics for Your Client Adapter page 7 12 Viewing the Link Status Meter page 7 16 Running an RF Link Test page 7 18 ...

Page 132: ...ion of data Display a graphical image of your client adapter s RF link Run an RF link test to assess the performance of the RF link between your client adapter and its associated access point Table 7 1 enables you to quickly locate the instructions for using each of the diagnostic tools Setting Parameters that Affect ACU Diagnostic Tools Several parameters affect the operation of ACU diagnostic to...

Page 133: ... 04 Chapter 7 Performing Diagnostics Setting Parameters that Affect ACU Diagnostic Tools Figure 7 1 Aironet Client Utility Preferences Screen Step 3 Table 7 2 lists and describes the parameters that affect the operation of ACU diagnostic tools Follow the instructions in the table to change any parameters ...

Page 134: ...ecting ACU Diagnostic Tools Parameter Description Screen Update Timer seconds between updates Specifies how often the Status and Statistics screens are updated You can type a number in the edit box or use the slider to change this value Range 1 to 60 seconds between updates in 1 second increments Default 1 second between updates Signal Strength Display Units Specifies the units used to display sig...

Page 135: ...ion and Configuration Guide for Windows OL 1394 04 Chapter 7 Performing Diagnostics Viewing the Current Status of Your Client Adapter Figure 7 2 Status Screen with Signal Strength as a Percentage Figure 7 3 Bottom of Status Screen with Signal Strength in dBm ...

Page 136: ...functions to start up the radio and pass control to the main firmware which unlike the boot block can be modified and upgraded by the user NDIS Driver Version The version of the NDIS device driver that is currently installed on your computer Default Profile The network configuration or profile shown in the Use Selected Profile drop down box on the Profile Manager screen if your driver supports aut...

Page 137: ...er and PC Cardbus card driver version 3 4 or greater Using Short Radio Headers Indicates whether your client adapter is actually using short radio headers Value Yes or No Note This setting appears only for 2 4 GHz client adapters Note Refer to the Use Short Radio Headers parameter in Table 5 3 for information on using short radio headers Using Message Integrity Check Indicates whether your client ...

Page 138: ...vacy Your client adapter s current WEP status Value Enabled Not Enabled or Need Firmware Upgrade Note Refer to the Setting Network Security Parameters section on page 5 20 for information on enabling WEP Authentication Type Indicates whether the client adapter must share the same WEP keys as the access point in order to communicate or can communicate with the access point regardless of its WEP set...

Page 139: ...e data packets Value 1 Mbps 2 Mbps 5 5 Mbps 11 Mbps or Auto Rate Selection 2 4 GHz client adapters 6 Mbps 9 Mbps 12 Mbps 18 Mbps 24 Mbps 36 Mbps 48 Mbps 54 Mbps or Auto Rate Selection 5 GHz client adapters Note Refer to the Data Rate parameter in Table 5 3 for information on setting the client adapter s data rate Current Power Level The power level at which your client adapter is currently transmi...

Page 140: ...er s power save mode Associated Access Point Name The name of the access point to which your client adapter is associated It is shown only if the access point was configured with a name and the client adapter is in infrastructure mode Associated Access Point IP Address The IP address of the access point to which your client adapter is associated It is shown only if the access point was configured ...

Page 141: ...eived The higher the value and the more green the bar graph is the clearer the signal Example The access point sends out 10 beacons per second so you would expect the client adapter to receive 50 beacon packets in 5 seconds If it receives only 40 packets the percentage of beacons received would be 80 Range 0 to 100 Note This setting appears only for 5 GHz client adapters Overall Link Quality The c...

Page 142: ...s see Figure 7 4 Note The name of the current profile appears in parentheses at the top of the screen Note The receive and transmit statistics are host statistics That is they show packets and errors received or sent by the Windows device Link status tests from the access point or site survey tool are performed at the firmware level therefore they have no effect on the statistics shown in the Stat...

Page 143: ...eader but the rest of the packet was ignored due to a cyclic redundancy check CRC error in the header Note CRC errors can be attributed to packet collisions caused by a dense population of client adapters overlapping access point coverage on a channel high multipath conditions due to bounced signals or the presence of other 2 4 GHz signals from devices such as microwave ovens wireless handset phon...

Page 144: ...The number of times the client adapter tried to associate to an access point but was rejected Association T O The number of times the client adapter tried to associate to an access point but was unable to because the access point did not respond fast enough timed out Packets Aged The number of packets received successfully but discarded by the client adapter because either all fragments were not r...

Page 145: ...ast Packets Transmitted The number of multicast packets that were transmitted successfully Broadcast Packets Transmitted The number of broadcast packets that were transmitted successfully Unicast Packets Transmitted The number of unicast packets that were transmitted successfully Bytes Transmitted The number of bytes of data that were transmitted successfully Beacons Transmitted The number of beac...

Page 146: ...ually caused by another radio transmitting a packet or by some other RF source jamming the signal such as a microwave oven Packets Retry Long The number of normal data packets that were retransmitted Packets Retry Short The number of request to send RTS packets that were retransmitted Packets Max Retries The number of packets that failed to be transmitted successfully after exhausting the maximum ...

Page 147: ...ined result of the signal strength and signal quality is represented by a diagonal line see Figure 7 5 Where the line falls on the graphical display determines whether the RF link between your client adapter and its associated access point is poor fair good or excellent The access point that is associated to your client adapter and its MAC address are indicated at the bottom of the display Note AC...

Page 148: ... point Because the link test operates above the RF level it does more than test the RF link between two network devices It also checks the status of wired sections of the network and verifies that TCP IP and the proper drivers have been loaded Note A link test can also be run from an access point through a Telnet session Refer to the Software Configuration Guide for your access point for informati...

Page 149: ...u stop it Follow one of the steps below to determine how long the link test will run Select the number of packets that the link test should attempt to send You can type a number in the Number of Packets field or use the slider to select this value The Number of Packets parameter is ignored if the Continuous Linktest check box is selected Range 1 to 1000 Default 4 Select the Continuous Linktest che...

Page 150: ...en if none are lost if the packet size is greater than 512 bytes Step 5 Click the Start button to run the link test While the test is running statistics are displayed and updated periodically Figure 7 7 shows the Linktest screen with the signal strength values displayed as percentages and Figure 7 8 shows the bottom of the same screen with the signal strength values displayed in dBm Figure 7 7 Lin...

Page 151: ...d the client adapter is in infrastructure mode Associated Access Point MAC Address The MAC address of the access point to which your client adapter is associated It is shown only if the client adapter is in infrastructure mode Current Signal Strength The signal strength for all received packets The higher the value and the more green the bar graph is the stronger the signal Range 0 to 100 or 95 to...

Page 152: ...to 100 Note This setting appears only for 5 GHz client adapters Overall Link Quality The client adapter s ability to communicate with the access point which is determined by the combined result of the adapter s signal strength and signal quality Value Not Associated Poor Fair Good Excellent Note This setting appears for 2 4 GHz client adapters but only if you selected signal strength to be display...

Page 153: ...ures for common tasks related to the client adapter The following topics are covered in this chapter Inserting and Removing a Client Adapter page 8 2 Upgrading the Firmware page 8 5 Driver Procedures page 8 8 ACU Procedures page 8 19 Restarting the Client Adapter page 8 28 Turning Your Client Adapter s Radio On or Off page 8 29 Uninstalling Microsoft Hot Fixes page 8 29 ...

Page 154: ... Cardbus card or PCI card into a computing device Inserting a PC Card or PC Cardbus Card Step 1 Before you begin examine the card One end has a dual row 68 pin connector The card is keyed so it can be inserted only one way into the PC card slot or Cardbus slot Note The PC card slot or Cardbus slot is on the left or right side of the computer depending on the model Step 2 Follow the instructions be...

Page 155: ...r PC documentation for slot identification Step 3 Remove the screw from the top of the CPU back panel above an empty PCI expansion slot This screw holds the metal bracket on the back panel Caution Static electricity can damage your PCI card Before removing the adapter from the anti static packaging discharge static by touching a metal part of a grounded PC Step 4 Examine the PCI card The antenna c...

Page 156: ...g device when necessary Removing a PC Card or PC Cardbus Card To remove a PC card or PC Cardbus card after it is successfully installed and configured such as when your laptop is to be transported completely shut down your computer and pull the card directly out of the PC card slot or Cardbus slot When the card is reinserted and the computer is rebooted your connection to the network should be re ...

Page 157: ...ndled file from Cisco com find the folders that were extracted from the bundle Look at the firmware folder the one that doesn t specify ACU or the Windows operating system The version number is included in the folder name a Use your computer s web browser to access the following URL http www cisco com public sw center sw wireless shtml b Click the link for Cisco Aironet Wireless LAN Client Adapter...

Page 158: ... you are installing firmware from a bundled file on Cisco com follow the steps below a Using Windows Explorer find the folders that were extracted from the bundle and double click the firmware folder the one that doesn t specify ACU or the Windows operating system b Go to Step 2 If you are installing firmware from an individual file on Cisco com follow the steps below a Use the computer s web brow...

Page 159: ...the client adapter is installed in your computer and is operational Step 3 Open ACU then click the Load Firmware icon or select Load New Firmware from the Commands drop down menu The Open window appears see Figure 8 3 Figure 8 3 Open Window Step 4 Find the location of the new firmware in the Look in box The default location is InstallPath Firmware where InstallPath is the directory that ACU was in...

Page 160: ...he software files from a single location click the bundle that corresponds to your client adapter s model number such as CB20A or 350 series Find the bundled file with the greatest version number for your specific client adapter type such as CB or MPI The driver version number is provided in the description below the filename This is the latest available version on Cisco com Go to Step 3 If you wa...

Page 161: ...50 series Select the latest bundled file for your computer s operating system and your specific client adapter type such as PCMCIA or MPI If you want to select the client adapter s software files individually find the section for Windows drivers and click the link for your computer s operating system Select the driver file with the greatest version number for your specific client adapter type such...

Page 162: ...w wireless shtml Step 2 Click the link for Cisco Aironet Wireless LAN Client Adapters Step 3 Perform one of the following If you want to ensure compatibility among all three pieces of client adapter software and download the software files from a single location click the bundle that corresponds to your client adapter s model number such as 340 or 350 series Select the latest bundled file for Wind...

Page 163: ...sion number for your specific client adapter type such as CB or MPI Note The drivers for PC LM and PCI cards are labeled PCMCIA LMC PCI the drivers for mini PCI cards are labeled MPI and the drivers for PC Cardbus cards are labeled CB Step 4 Read and accept the terms and conditions of the Software License Agreement Step 5 Select the file again to download it Step 6 Save the file to a floppy disk o...

Page 164: ...rds are labeled CB Step 4 Read and accept the terms and conditions of the Software License Agreement Step 5 Select the file again to download it Step 6 Save the file to a floppy disk or to your computer s hard drive Step 7 Find the file using Windows Explorer double click it and extract its files to a folder Step 8 Make sure your client adapter is installed in your computer Step 9 Double click My ...

Page 165: ...and PCI cards are labeled PCMCIA LMC PCI the drivers for mini PCI cards are labeled MPI and the drivers for PC Cardbus cards are labeled CB Step 4 Read and accept the terms and conditions of the Software License Agreement Step 5 Select the file again to download it Step 6 Save the file to a floppy disk or to your computer s hard drive Step 7 Find the file using Windows Explorer double click it and...

Page 166: ...omputer s operating system you may want to abort the installation procedure and start over However before you attempt to install the driver again you must first uninstall any part of the driver that you may have already installed Table 8 2 enables you to quickly locate the instructions for uninstalling a driver for your specific operating system Uninstalling the 6 10 Driver To uninstall the 6 10 d...

Page 167: ...ur computer s CD ROM drive Step 16 Shut down your computer Step 17 Remove the client adapter Uninstalling the 6 10 Driver for Windows NT Step 1 Make sure the client adapter is in your computer and the computer is booted up Step 2 Right click the WepStat icon in the system tray on your desktop This icon looks like two connected computers Step 3 Click Terminate Step 4 Insert the CD that contains the...

Page 168: ...selected make sure the Hide file extensions for known file types check box is deselected and click OK Step 8 Find the Utilities RmWep directory on your computer s CD ROM drive Step 9 Double click the RmWep exe file Step 10 Go to C Windows Inf and double click the oemx inf and oemx pnf files where x equals a numeral to open them Step 11 Delete the oemx inf and oemx pnf files that are labeled Airone...

Page 169: ... select the Cisco Systems Wireless LAN Adapter Step 3 Click Remove and OK Step 4 When prompted to restart your computer click No Step 5 Open Windows Explorer Step 6 If your computer s operating system is Windows 95 or 98 click View Options or Folder Options and View Under Hidden files make sure Show all files is selected and click OK Step 7 Find your computer s operating system in the following ta...

Page 170: ...nd Add Remove Hardware Step 3 In the Add Remove Hardware Wizard window click Next Step 4 Click Uninstall Unplug a device Click Next Step 5 Click Uninstall a device Click Next Step 6 From the Devices list select the Cisco Systems Wireless LAN Adapter Click Next Step 7 Click Yes I want to uninstall this device Click Next Step 8 Click Finish Step 9 Open Windows Explorer Step 10 Click Tools Folder Opt...

Page 171: ...k Adapters and the Cisco Systems Wireless LAN Adapter Step 4 Click the Driver tab and the Uninstall button Step 5 A warning appears indicating that you are about to uninstall the client adapter from your system Click OK ACU Procedures This section provides instructions for the following procedures Opening ACU see below Exiting ACU see page 8 20 Modifying ACU installation settings see page 8 20 Det...

Page 172: ...xample selecting LEAP or the location of the ACU program files Step 1 Close any Windows programs that are running Step 2 Select Start Run enter or browse to the path where the ACU files are installed the default location is C Program Files Cisco Aironet setup exe and click OK The Welcome screen for the Aironet Client Utility setup maintenance program appears Step 3 Select Modify and click Next The...

Page 173: ... LEAP authentication When such a profile is used the saved username and password are used to start the LEAP authentication process and you are not prompted to enter them Note This option is available only if the LEAP option is selected PEAP Installs the PEAP supplicant which enables the client to support PEAP authentication If this option is not selected now and you later want to use PEAP you must...

Page 174: ...s I want to restart my computer now option The client utility installation has been modified Option Description EAP SIM Installs the EAP SIM supplicant which enables the client to support EAP SIM authentication If this option is not selected now and you later want to use EAP SIM you must run this installation program again select Modify and select this option Default Deselected Note Refer to Chapt...

Page 175: ...isco com If you downloaded a bundled file from Cisco com find the folders that were extracted from the bundle Look at the ACU folder The version number is included in the folder name a Use your computer s web browser to access the following URL http www cisco com public sw center sw wireless shtml b Click the link for Cisco Aironet Wireless LAN Client Adapters c Click the link for the Windows util...

Page 176: ...to Step 3 If you are installing ACU from an individual file on Cisco com follow the steps below a Use the computer s web browser to access the following URL http www cisco com public sw center sw wireless shtml b Click the link for Cisco Aironet Wireless LAN Client Adapters c Click the link for the Windows utility d Select the latest ACU file e Read and accept the terms and conditions of the Softw...

Page 177: ... LEAP authentication When such a profile is used the saved username and password are used to start the LEAP authentication process and you are not prompted to enter them Note This option is available only if the LEAP option is selected PEAP Installs the PEAP supplicant which enables the client to support PEAP authentication If this option is not selected now and you later want to use PEAP you must...

Page 178: ...upplicant which enables the client to support EAP SIM authentication If this option is not selected now and you later want to use EAP SIM you must run this installation program again select Modify and select this option Default Deselected Note Refer to Chapter 5 for information on using EAP SIM Note PC Cardbus cards do not support EAP SIM authentication Note This option appears for all operating s...

Page 179: ...llow the steps below to uninstall a version of ACU prior to 4 13 Step 1 Double click My Computer Control Panel and Add Remove Programs Step 2 Select the Aironet Client Utility ACU Step 3 Click Add Remove or Change Remove Step 4 When prompted to confirm your decision click Yes ACU is uninstalled Uninstalling ACU Version 4 13 or Greater Follow the steps below if you ever need to uninstall ACU versio...

Page 180: ... right click the icon click Delete and click Yes to confirm your decision Restarting the Client Adapter ACU enables you to re initialize or restart the client adapter without having to reboot your computer or eject and reinsert the adapter For instance if your client adapter is experiencing poor throughput you might want to restart the client adapter to try to force it to disassociate from the acc...

Page 181: ... not associated while the radio is off You can turn the client adapter s radio on or off from the Windows system tray if you installed the EAP SIM supplicant or from ACU Follow the instructions on the next page From the Windows System Tray In the Windows system tray move the cursor over the Aironet Client Monitor icon A message appears indicating whether the client adapter s radio is on or off Als...

Page 182: ...8 30 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Chapter 8 Routine Procedures Uninstalling Microsoft Hot Fixes ...

Page 183: ...es information for diagnosing and correcting common problems encountered when installing or operating the client adapter The following topics are covered in this chapter Accessing the Latest Troubleshooting Information page 9 2 Interpreting the Indicator LEDs page 9 2 Troubleshooting the Client Adapter page 9 3 Error Messages page 9 9 Getting Help page 9 25 ...

Page 184: ...ble 9 1 interprets the LED messages during normal operation Table 9 2 interprets the LED error condition messages Table 9 1 LED Normal Operating Messages Green LED Amber LED Condition Blinking quickly Blinking quickly Power is on self test is OK and client adapter is scanning for a network Blinking slowly Blinking quickly Client adapter is associated to an access point Continuously on or blinking ...

Page 185: ...lect Repair and click Next The Setup Complete screen appears Step 4 If your computer needs to be rebooted select Yes I want to restart my computer now or No I will restart my computer later Note If you are prompted to reboot your computer Cisco recommends that you select the Yes I want to restart my computer now option Step 5 Click Finish The repair is complete All of the selections you made durin...

Page 186: ... an unused I O range The installation can fail if the I O range found by the driver installation script is occupied by another device but not reported by Windows An I O range might not be reported if a device is physically present in the system but not enabled under Windows Follow the steps for your specific operating system to obtain an available I O range Resolving Resource Conflicts in Windows ...

Page 187: ...Click the I O Port button Step 6 The used I O ranges are listed in numerical order along the left side of the Resources window under Address Write down an I O range that is not being used for example if range 0100 013F is followed by 0170 0177 in the list then 0140 0169 is an available range you will need it for Step 13 Step 7 Double click My Computer Control Panel and Network Step 8 Click the Ada...

Page 188: ...icates if the IRQ is already being used Step 13 Click OK Step 14 Reboot your computer Resolving Resource Conflicts in Windows XP Note These instructions assume you are using Windows XP s classic view not its category view Step 1 Double click My Computer Control Panel and System Step 2 Click the Hardware tab and Device Manager Step 3 Under Network Adapters double click the Cisco Systems Wireless LA...

Page 189: ... you may also want to try disabling the Ethernet port If the client adapter still fails to establish contact refer to the Obtaining Technical Assistance section in the Preface for technical support information Problems Authenticating to an Access Point If your client adapter is a 40 bit card and LEAP or EAP is enabled the adapter can associate to but not authenticate to access points using 128 bit...

Page 190: ...on screen click the arrow on the right side of the Primary Network Logon box Step 4 Select Cisco Aironet Wireless Logon and click OK Step 5 When prompted to restart your computer click Yes Microsoft Hot Fixes When LEAP is selected during ACU installation on a Windows 95 98 or 98 SE device Microsoft hot fixes are also installed to fix two problems related to the use of LEAP You can obtain descripti...

Page 191: ...t any time and are not related to authentication attempts Error Message Bad Firmware Image File filename Explanation The selected firmware file is corrupt and will not be sent to the client adapter Recommended Action Select a different firmware file and try to load it Error Message Card Removed at xx xx Explanation The client adapter was ejected from the computer Recommended Action Reinsert the cl...

Page 192: ...ent adapter and reinsert it If the client adapter functions properly the firmware was flashed successfully If the client adapter does not function or functions improperly your client adapter may need to be returned for service Refer to the Technical Assistance Center section in the Preface for information on contacting TAC Error Message Maximum Power Save Mode Will Be Temporarily Disabled While Yo...

Page 193: ...ation ACU was used to configure the client adapter on Windows XP but the Use Windows to configure my wireless network settings check box in Windows XP is selected This message appears even if the client adapter is associated to an access point Recommended Action Deselect the Use Windows to configure my wireless network settings check box in Windows XP to force Windows to display the correct status...

Page 194: ...1 a client adapter is not inserted in your computer or 2 ACU was started with one variety of client adapter inserted such as a PCM342 it was subsequently ejected and another variety was inserted such as a PCM352 Recommended Action Perform one of the following 1 insert a client adapter into your computer if one is not present or 2 shut down ACU and restart it LEAP Authentication Error Messages This...

Page 195: ...he profile will be disabled until Windows restarts or the card is ejected and reinserted Are you sure Explanation The username and password for your current profile have expired or are no longer valid When the LEAP login screen appeared prompting you to enter your new username and password you selected Cancel Recommended Action Click No enter your new username and password when the LEAP login scre...

Page 196: ...tion Re enter the LEAP user name and password or cancel the LEAP authentication To start another LEAP authentication process log off and log in again or select Manual LEAP Login from the Commands drop down menu Error Message The user name and password entered for profile xxx are no longer valid and have failed the LEAP authentication Please enter a new user name and password Explanation The userna...

Page 197: ...ficate Authority certificate are installed correctly For Windows NT or 2000 Domain Databases Error Message New Password and Confirm New Password entered do not match Please try it again Explanation You entered different values in the New Password and Confirm New Password fields on the Change Password screen They must be identical Recommended Action Re enter your new password in both fields Error M...

Page 198: ...ogram to fix it Explanation Your attempt to change your PIN using the Change PIN screen failed due to a problem with the software token program Recommended Action Run the software token program and then try to change your PIN again Error Message Invalid PIN Please try again Explanation The PIN that you entered is invalid Recommended Action Re enter your PIN Error Message New PIN and Confirm New PI...

Page 199: ...Token is installed correctly and the correct program path is entered Explanation SofToken exe is not located in the path you entered on the Generic Token Card Properties screen Recommended Action Make sure that SofToken is installed correctly then re enter the program path Error Message Error getting data from SofToken server Please make sure SofToken is installed correctly and the correct program...

Page 200: ...nded Action Make sure that SofToken is configured to enable SofToken calls and verify that you are set up as a valid user Error Message Unable to launch SofToken exe Please make sure SofToken is installed correctly and the correct program path is entered Explanation An error occurred with the SofToken program Recommended Action Make sure that SofToken is installed correctly and the correct program...

Page 201: ...ibrary Please make sure that SofToken II is installed correctly Explanation An error occurred with the SofToken II program Recommended Action Make sure that SofToken II is installed correctly For OTP Databases Using RSA SecurID Version 2 5 Error Message Error getting password from RSA SecurID Software Token Explanation An error occurred while attempting to obtain the user password from the RSA Sec...

Page 202: ...made on the SIM Authentication Properties screen can take effect only if you perform a complete reauthentication Otherwise your wireless network connection may appear to be stuck in the Validating identity state Recommended Action Turn off your client adapter s radio wait a few seconds and then turn the radio back on Refer to the Turning Your Client Adapter s Radio On or Off section on page 8 29 f...

Page 203: ...ded Action Make sure that your account is in good standing and that you have a valid SIM card Switch to a SIM card that is valid at the current location and try again Error Message Please check your smartcard reader and insert your SIM card Explanation When asked to perform an authentication the supplicant could not get the smartcard reader to initialize within a reasonable time that is 90 seconds...

Page 204: ...operly wait until the system tries to authenticate again This should occur within 30 to 60 seconds Caution Never remove your SIM card until the system has completed the authentication process Step 5 If the problem persists try restarting the client adapter or rebooting your computer Error Message Please check your smartcard reader and try again Explanation Windows could not detect a smartcard read...

Page 205: ...to 8 characters Explanation When you were prompted for a PIN you clicked the OK button before entering the PIN Recommended Action Enter the PIN required to access your SIM card If you do not want to authenticate at this time or do not have your PIN available click the Cancel button instead Error Message Please insert your SIM card and try again Explanation The system could not detect a SIM card in...

Page 206: ...ctor serial USB port model Step 3 Make sure that the system recognizes your reader It should be listed under Smart card readers in Windows device manager If your reader is not listed eject and re insert the reader PCMCIA model or disconnect and re connect the cable serial USB port model Step 4 If the computer still does not recognize your reader reboot the computer with the reader installed Error ...

Page 207: ...he desired menu such as Options Menu and the desired topic such as Preferences To access information on specific parameters click Contents double click Configurable Parameters the client adapter a parameter category such as System Parameters and the desired parameter such as SSID To access information on specific diagnostic topics click Contents double click Run Time Diagnostic Information a diagn...

Page 208: ...9 26 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Chapter 9 Troubleshooting Getting Help ...

Page 209: ...A Technical Specifications This appendix provides technical specifications for the Cisco Aironet Wireless LAN Client Adapters The following topics are covered in this appendix Physical Specifications page A 2 Radio Specifications page A 3 Power Specifications page A 6 Safety and Regulatory Compliance Specifications page A 6 ...

Page 210: ...5 8 in L x 3 2 in W x 0 5 in H 14 7 cm L x 8 1 cm W x 1 3 cm H Mini PCI card 2 3 in L x 2 0 in W x 0 2 in H 6 0 cm L x 5 1 cm W x 0 5 cm H Weight PC card and LM card 1 3 oz 0 037 kg PCI card 4 6 oz 0 13 kg Mini PCI card 0 5 oz 0 014 kg PC Cardbus card 1 5 oz 0 043 kg Enclosure PC card and PC Cardbus card Extended Type II PC card LM card Standard Type II PC card with RF connectors Connector PC card...

Page 211: ...dBm 340 series LM card and PCI card 30 mW 15 dBm 15 mW 12 dBm 5 mW 7 dBm 1 mW 0 dBm 350 series client adapters 100 mW 20 dBm 50 mW 17 dBm 30 mW 15 dBm 20 mW 13 dBm 5 mW 7 dBm 1 mW 0 dBm PC Cardbus card 20 mW 13 dBm 10 mW 10 dBm 5 mW 7 dBm Note These values are based on the FCC peak measurement method as defined in FCC 15 407 a 4 Operating frequency 2 4 GHz client adapters 2 400 to 2 497 GHz depend...

Page 212: ...ters 6 9 12 18 24 36 48 and 54 Mbps Modulation Binary Phase Shift Keying BPSK 1 Mbps Quaternary Phase Shift Keying QPSK 2 Mbps Complementary Code Keying CCK 5 5 and 11 Mbps Orthogonal frequency division multiplexing OFDM 6 to 54 Mbps Receiver sensitivity 340 series client adapters 90 dBm 1 Mbps 88 dBm 2 Mbps 87 dBm 5 5 Mbps 83 dBm 11 Mbps 350 series client adapters 94 dBm 1 Mbps 91 dBm 2 Mbps 89 d...

Page 213: ...bps Note The above range numbers assume the use of a snap on antenna with the LM card 5 GHz client adapters Outdoor 1200 ft 365 8 m 6 Mbps 700 ft 213 4 m 18 Mbps 120 ft 36 6 m 54 Mbps Indoor 200 ft 61 0 m 6 Mbps 150 ft 45 7 m 18 Mbps 70 ft 21 3 m 54 Mbps Note The above range numbers assume that the client adapter is being used with a Cisco Aironet 1200 Series Access Point with a patch antenna Diff...

Page 214: ...y 450 mA 15 dBm 350 series PC card and LM card Typically 450 mA 20 dBm 350 series PCI card Typically 550 mA 20 dBm 350 series mini PCI card Typically 570 mA 20 dBm PC Cardbus card Typically 520 mA Sleep mode steady state 340 series PC card and LM card Typically 15 mA 340 series PCI card Typically 110 mA 350 series PC card LM card and mini PCI card Typically 15 mA 350 series PCI card Typically 115 ...

Page 215: ...B EN 55024 EN 301 489 1 and EN 301 489 17 Radio approvals FCC Part 15 247 2 4 GHz client adapters FCC Part 15 407 5 GHz client adapters Canada RSS 139 1 2 4 GHz client adapters RSS 210 Japan Telec 33B 2 4 GHz client adapters Japan ARIB STD T71 5 GHz client adapters EN 300 328 2 4 GHz client adapters EN 301 893 5 GHz client adapters RF exposure OET 65C RSS 102 ANSI C95 1 Table A 1 Technical Specifi...

Page 216: ...A 8 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Appendix A Technical Specifications ...

Page 217: ...A P P E N D I X B Translated Safety Warnings This appendix provides translations of the safety warnings that appear in this publication The following topics are covered in this appendix Explosive Device Proximity Warning page B 2 Dipole Antenna Installation Warning page B 3 Warning for Laptop Users page B 4 ...

Page 218: ...ipement a été modifié à cet effet Warnung Benutzen Sie Ihr drahtloses Netzwerkgerät nicht in der Nähe ungeschützter Sprengkapseln oder anderer explosiver Stoffe es sei denn Ihr Gerät wurde eigens für diesen Gebrauch modifiziert und bestimmt Avvertenza Non utilizzare la periferica di rete senza fili in prossimità di un detonatore non protetto o di esplosivi a meno che la periferica non sia stata mo...

Page 219: ...m de toute personne Warnung Um die in den FCC Richtlinien festgelegten Expositionshöchstgrenzen für Radiofrequenzen RF nicht zu überschreiten sollten Dipolantennen mindestens 20 cm 7 9 Zoll vom Körper aller Person entfernt aufgestellt werden Avvertenza Per conformarsi ai limiti FCC di esposizione a radiofrequenza RF le antenne a dipolo devono stare ad una distanza minima di 20 cm dal corpo di ogni...

Page 220: ...radioélectriques définies par les normes ANSI C95 1 il est recommandé aux utilisateurs d ordinateurs portables dotés d adaptateurs client pour carte PC ou aux personnes se trouvant à proximité de se placer à plus de 5 cm de l antenne de l adaptateur lors de longues périodes de transmission ou de fonctionnement Si l utilisateur se trouve à moins de 5 cm de l antenne il est préférable de limiter le ...

Page 221: ...empo de exposição Advertencia Para cumplir los límites de exposición a radiofrecuencia RF que se establecen en la norma ANSI C95 1 al utilizar un equipo portátil con un adaptador cliente de tarjeta PC sitúe la antena del adaptador al menos a 2 pulgadas 5 cm del usuario o de las personas adyacentes durante periodos largos de transmisión o funcionamiento Si la distancia es inferior a 2 pulgadas 5 cm...

Page 222: ...B 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Appendix B Translated Safety Warnings Warning for Laptop Users ...

Page 223: ...tion for the Cisco Aironet Wireless LAN Client Adapters The following topics are covered in this appendix Manufacturer s Federal Communication Commission Declaration of Conformity Statement page C 2 Department of Communications Canada page C 3 European Community Switzerland Norway Iceland and Liechtenstein page C 4 Declaration of Conformity for RF Exposure page C 6 Guidelines for Operating Cisco A...

Page 224: ... This equipment has been tested and found to comply with the limits of a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential environment This equipment generates uses and radiates radio frequency energy and if not installed and used in accordance with the ...

Page 225: ...Causing Equipment Regulations Cet appareil numerique de la classe B respecte les exigences du Reglement sur le material broilleur du Canada This device complies with Class B Limits of Industry Canada 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 unde...

Page 226: ...nden Anforderungen und den weiteren entsprecheneden Vorgaben der Richtlinie 1999 5 EU Dansk Dette udstyr er i overensstemmelse med de væsentlige krav og andre relevante bestemmelser i Directiv 1999 5 EF Español Este equipo cumple con los requisitos esenciales asi como con otras disposiciones de la Directive 1999 5 EC Έλληνας Αυτός ο εξοπλισµός συµµορφώνεται µε τις ουσιώδεις απαιτήσεις και τις λοιπ...

Page 227: ...uired as of April 8 2000 but might change in the future The following CE mark is affixed to the 350 series mini PCI card AIR MPI350 Note This equipment is intended to be used in all EU and EFTA countries Outdoor use may be restricted to certain frequencies and or may require a license for operation For more details contact your customer service representative Note Combinations of power levels and ...

Page 228: ...ffixed to the 5 GHz equipment Declaration of Conformity for RF Exposure The radio module has been evaluated under FCC Bulletin OET 65C and found compliant to the requirements as set forth in CFR 47 Sections 2 1091 2 1093 and 15 247 b 4 addressing RF Exposure from radio frequency devices Guidelines for Operating Cisco Aironet Wireless LAN Client Adapters in Japan This section provides guidelines fo...

Page 229: ...ensed premises radio stations and unlicensed specified low power radio stations used in factory production lines 1 Before using this equipment make sure that no premises radio stations or specified low power radio stations of RF ID are used in the vicinity 2 If this equipment causes RF interference to a premises radio station of RF ID promptly change the frequency or stop using the device contact ...

Page 230: ...ess LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Appendix C Declarations of Conformity and Regulatory Information Guidelines for Operating Cisco Aironet Wireless LAN Client Adapters in Japan ...

Page 231: ...nels Power Levels and Antenna Gains This appendix lists the IEEE 802 11a and IEEE 802 11b channels supported by the world s regulatory domains as well as the maximum power levels and antenna gains allowed per domain The following topics are covered in this appendix Channels page D 2 Maximum Power Levels and Antenna Gains page D 4 ...

Page 232: ...e D 1 Note All channel sets are restricted to indoor usage except the Americas A which allows for indoor and outdoor use on channels 52 through 64 in the United States Table D 1 Channels for IEEE 802 11a Channel Identifier Frequency Regulatory Domains Americas A Japan J Singapore S Taiwan T 34 5170 MHz X 36 5180 MHz X X 38 5190 MHz X 40 5200 MHz X X 42 5210 MHz X 44 5220 MHz X X 46 5230 MHz X 48 5...

Page 233: ... that the channel set configuration is in compliance with the regulatory standards of Mexico Note France is included in the EMEA regulatory domain however only channels 10 through 13 can be used in France Users are responsible for ensuring that the channel set configuration is in compliance with the regulatory standards of France Table D 2 Channels for IEEE 802 11b Channel Identifier Frequency Reg...

Page 234: ...r level and antenna gain can result in equivalent isotropic radiated power EIRP above the amount allowed per regulatory domain Table D 4 indicates the maximum power levels and antenna gains allowed for each IEEE 802 11b regulatory domain Table D 3 Maximum Power Levels Per Antenna Gain for IEEE 802 11a Regulatory Domain Maximum Power Level mW with 6 dBi Antenna Gain Americas A 160 mW EIRP maximum o...

Page 235: ... 0 100 2 2 50 5 2 30 6 30 8 5 5 12 5 13 5 5 21 1 Israel I 100 mW EIRP maximum 0 100 2 2 50 5 2 30 6 30 8 5 5 12 5 13 5 5 21 1 China C 10 mW EIRP maximum 0 5 2 2 5 5 2 n a 6 n a 8 5 n a 12 n a 13 5 n a 21 n a Japan J 10 mW MHz EIRP maximum 0 50 2 2 30 5 2 30 6 30 8 5 n a 12 n a 13 5 5 21 n a Table D 4 Maximum Power Levels Per Antenna Gain for IEEE 802 11b continued Regulatory Domain Antenna Gain dB...

Page 236: ...D 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Appendix D Channels Power Levels and Antenna Gains Maximum Power Levels and Antenna Gains ...

Page 237: ...Client Adapter through Windows XP This appendix explains how to configure and use the client adapter with Windows XP The following topics are covered in this appendix Overview page E 2 Configuring the Client Adapter page E 5 Using Windows XP to Associate to an Access Point page E 18 Viewing the Current Status of Your Client Adapter page E 19 ...

Page 238: ...s sections below can help you to decide which type of WEP keys you want to use Dynamic WEP keys with EAP offer a higher degree of security than static WEP keys WEP keys whether static or dynamic are either 40 or 128 bits in length 128 bit WEP keys offer a greater level of security than 40 bit WEP keys Static WEP Keys Each device within your wireless network can be assigned up to four static WEP ke...

Page 239: ...Registrar version 1 8 or greater Protected EAP or PEAP PEAP authentication is designed to support One Time Password OTP Windows NT or 2000 domain and LDAP user databases over a wireless LAN It is based on EAP TLS authentication but uses a password or PIN instead of a client certificate for authentication PEAP is enabled or disabled through the operating system and uses a dynamic session based WEP ...

Page 240: ...e client adapter associates to an access point and begins the authentication process Note The client does not gain full access to the network until authentication between the client and the RADIUS server is successful 2 Communicating through the access point the client and RADIUS server complete the authentication process with the password EAP MD5 and PEAP certificate EAP TLS or internal key store...

Page 241: ...My Wireless Settings option is selected on the Profile Manager screen Note These instructions assume you are using Windows XP s classic view rather than its category view Step 1 Make sure the client adapter s driver has been installed and the client adapter is inserted in the Windows XP device Step 2 Double click My Computer Control Panel and Network Connections Step 3 Right click Wireless Network...

Page 242: ...d hoc network a computer to computer network without access points click Add Note The Allow Broadcast SSID to Associate option on the access point must be enabled for the SSID to appear in the list of available networks The Wireless Network Properties screen appears see Figure E 2 Figure E 2 Wireless Network Properties Screen Step 8 Perform one of the following If you selected an SSID from the lis...

Page 243: ...the WEP key for the access point in an infrastructure network or other clients in an ad hoc network from your system administrator and enter it in the Network key field In order to communicate the client adapter must use the same WEP key as the access point or other clients b Select one of the following WEP key formats ASCII characters Specifies that the WEP key will be entered in ASCII text which...

Page 244: ... EAP TLS authentication follow the instructions in the Enabling EAP TLS Authentication section below If you are planning to use EAP MD5 authentication follow the instructions in the Enabling EAP MD5 Authentication section on page E 11 If you are planning to use PEAP authentication follow the instructions in the Enabling PEAP Authentication section on page E 13 If you are planning to use EAP SIM au...

Page 245: ...gh Windows XP Configuring the Client Adapter Figure E 3 Wireless Network Connection Properties Screen Authentication Tab Step 2 Select the Enable network access control using IEEE 802 1X check box Step 3 For EAP type select Smart Card or other Certificate Step 4 Click Properties The Smart Card or other Certificate Properties screen appears see Figure E 4 ...

Page 246: ... blank you are prompted to accept a connection to the root certification authority during the authentication process Step 8 Click OK to save your settings The configuration is complete Step 9 If a pop up message appears above the system tray informing you that you need to accept a certificate to begin the EAP authentication process click the message and follow the instructions provided to accept t...

Page 247: ...erify authentication double click My Computer Control Panel and Network Connections The status appears to the right of your Wireless Network Connection Click View and Refresh to obtain the current status If the client adapter is authenticated the status reads Authentication succeeded Enabling EAP MD5 Authentication Follow the steps below to prepare the client adapter to use EAP MD5 authentication ...

Page 248: ...rming you that you need to enter your credentials to access the network click the message The Wireless Network Connection screen appears Step 6 Enter your EAP MD5 authentication username password and optional domain name which are registered with the RADIUS server and click OK The client adapter should now EAP authenticate Note Whenever the computer reboots and you enter your Windows username and ...

Page 249: ...he initial configuration Note PC Cardbus cards do not support PEAP authentication Step 1 Click the Authentication tab on the Wireless Network Connection Properties screen The following screen appears see Figure E 6 Note When Service Pack 1 for Windows XP is released the Authentication tab may move from its current location To access it click the Wireless Networks tab select the network that you ar...

Page 250: ...ect only if server name ends with check box and enter the appropriate server name suffix in the text box below Note If you leave this field blank you are prompted to accept a connection to the server to which your client adapter is connected during the authentication process Step 6 Make sure that the name of the certificate authority from which the server certificate was downloaded appears in the ...

Page 251: ...dware token device to obtain the one time password and enter the password when prompted for your user credentials Support Software Token The PEAP supplicant works with a software token program to retrieve the one time password You have to enter only the PIN not the one time password If you select this check box you must also select from the Supported Type drop down box the software token software ...

Page 252: ...thentication tab on the Wireless Network Connection Properties screen The following screen appears see Figure E 9 Note When Service Pack 1 for Windows XP is released the Authentication tab may move from its current location To access it click the Wireless Networks tab select the network that you are configuring in the Preferred network list and click Properties Figure E 9 Wireless Network Connecti...

Page 253: ... session is defined as the time between power up and shutdown or reboot Ask for my PIN every time the network asks for authentication The software never stores the PIN it prompts you for the PIN every time an EAP SIM authentication is performed This option is not recommended if your client will be roaming between access points or if session timeouts are implemented such as for accounting and secur...

Page 254: ...u that you need to enter your credentials to access the network Click the message enter your PIN and click OK The client adapter should now EAP authenticate Step 7 To verify authentication double click My Computer Control Panel and Network Connections The status appears to the right of your Wireless Network Connection Click View and Refresh to obtain the current status If the client adapter is aut...

Page 255: ...ough Windows XP Viewing the Current Status of Your Client Adapter Viewing the Current Status of Your Client Adapter To view the status of your client adapter click the icon of the two connected computers in the Windows system tray The Wireless Network Connection Status screen appears see Figure E 11 Figure E 11 Wireless Network Connection Status Screen ...

Page 256: ...co Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Appendix E Configuring the Client Adapter through Windows XP Viewing the Current Status of Your Client Adapter ...

Page 257: ...forming a Site Survey This appendix explains how ACU s site survey tool can be used when conducting a site survey The following topics are covered in this appendix Overview page F 2 Specifying Signal Strength Units page F 3 Using Passive Mode page F 3 Using Active Mode page F 7 Forcing the Client Adapter To Reassociate page F 13 ...

Page 258: ...e the passive mode Active Mode This mode causes the client adapter to actively send or receive low level RF packets to or from its associated access point and provides information on the success rate It also enables you to set parameters governing how the site survey is performed such as the data rate Follow the instructions in the Using Active Mode section on page F 7 to activate the active mode ...

Page 259: ...ty ACU icon on your desktop to open ACU Step 2 Click the Preferences icon or select Preferences from the Options drop down menu The Aironet Client Utility Preferences screen appears Step 3 Under Signal Strength Display Units select one of the following options Percent Displays the signal strength as a percentage dBm Displays the signal strength in decibels with respect to milliwatts Note dBm can b...

Page 260: ... Appendix F Performing a Site Survey Using Passive Mode Figure F 1 Site Survey Passive Mode Screen with Signal Strength as a Percentage Figure F 2 Top of Site Survey Passive Mode Screen with Signal Strength in dBm Table F 1 interprets the information that is displayed on the Site Survey Passive Mode screen ...

Page 261: ...nd only if you selected signal strength to be displayed as a percentage See the Specifying Signal Strength Units section on page F 3 for information Noise Level 2 4 GHz client adapters The level of background radio frequency energy in the 2 4 GHz band The lower the value and the more green the bar graph is the less background noise present The histogram below the bar graph provides a visual interp...

Page 262: ...elected signal strength to be displayed as a percentage and for 5 GHz client adapters See the Specifying Signal Strength Units section on page F 3 for information Signal To Noise Ratio 2 4 GHz client adapters The difference between the signal strength and the noise level The higher the value the better the client adapter s ability to communicate with the access point Range 0 to 90 dB Note This set...

Page 263: ...d obtain current information about your client adapter s ability to transmit and receive RF packets Step 1 From the Site Survey Passive Mode screen see Figure F 1 click the Setup button The Site Survey Active Mode Setup screen appears see Figure F 3 Figure F 3 Site Survey Active Mode Setup Screen Table F 2 lists and describes the parameters that affect how the site survey is performed Follow the i...

Page 264: ...ation MAC Address field is a Cisco Aironet access point in infrastructure mode or client in ad hoc mode In this case packets sent to the client from the Cisco Aironet device contain additional information such as lost to source lost to target and percent retries and this information is displayed in the Site Survey Active screen If the device specified in the Destination MAC Address field is not a ...

Page 265: ... 2 5 5 or 11 Mbps 2 4 GHz client adapters 6 9 12 18 24 36 48 or 54 Mbps 5 GHz client adapters Default 11 Mbps 2 4 GHz client adapters 54 Mbps 5 GHz client adapters Delay Between Packets The delay in milliseconds between successive transmissions Range 1 to 2048 ms Default 50 ms Percent Success Threshold The percentage of packets that are not lost This parameter controls the red line on the Percent ...

Page 266: ...orming a Site Survey Using Active Mode Figure F 4 Site Survey Active Mode Screen with Signal Strength as a Percentage Figure F 5 Top of Site Survey Active Mode Screen with Signal Strength in dBm Table F 3 interprets the information that is displayed on the Site Survey Active Mode screen while the site survey test is running ...

Page 267: ...nd only if you selected signal strength to be displayed as a percentage See the Specifying Signal Strength Units section on page F 3 for information Noise Level 2 4 GHz client adapters The level of background radio frequency energy in the 2 4 GHz band The lower the value and the more green the bar graph is the less background noise present The histogram below the bar graph provides a visual interp...

Page 268: ...se Ratio 2 4 GHz client adapters The difference between the signal strength and the noise level The higher the value the better the client adapter s ability to communicate with the access point Range 0 to 90 dB Note This setting appears only for 2 4 GHz client adapters and only if you selected signal strength to be displayed in dBm See the Specifying Signal Strength Units section on page F 3 for i...

Page 269: ...pter to disassociate from its current access point and reassociate to another during a site survey Step 1 Click the Restart Card button on the bottom of the Site Survey screen Step 2 When prompted to confirm your decision click Yes The driver stops the client adapter s radio writes the configuration although no parameter settings have been changed and restarts the radio Percent Successful The perc...

Page 270: ...F 14 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Appendix F Performing a Site Survey Forcing the Client Adapter To Reassociate ...

Page 271: ...r channels per 100 MHz of bandwidth 802 11b The IEEE standard that specifies carrier sense media access control and physical layer specifications for 5 5 and 11 Mbps 2 4 GHz wireless LANs A Access Point A wireless LAN data transceiver that uses radio waves to connect a wired network with wireless stations Ad Hoc Network A wireless network composed of stations without access points Alphanumeric A s...

Page 272: ...y operating systems that automatically issues IP addresses within a specified range to devices on the network The device retains the assigned address for a specific administrator defined period Dipole A type of low gain 2 2 dBi antenna consisting of two often internal elements DSSS Direct sequence spread spectrum A type of spread spectrum radio transmission that spreads its signal continuously ove...

Page 273: ... H Half Duplex A means of communication whereby each node receives and transmits in turn one way See also Full Duplex Hexadecimal A set of characters consisting of ten numbers and six letters 0 9 A F and a f I IEEE Institute of Electrical and Electronics Engineers A professional society serving electrical engineers through its publications conferences and standards development activities The body ...

Page 274: ...cepts an encrypted message alters it slightly and retransmits it and the receiver accepts the retransmitted message as legitimate The client adapter s driver must support MIC functionality and MIC must be enabled on the access point Modulation Any of several techniques for combining user information with a transmitter s carrier signal Multicast Packets Packets transmitted to multiple stations Mult...

Page 275: ...eshold The packet size at which an access point issues a request to send RTS before sending the packet S Spread Spectrum A radio transmission technology that spreads the user information over a much wider bandwidth than otherwise required in order to gain benefits such as improved interference tolerance and unlicensed operation SSID Service set identifier A unique identifier that stations must use...

Page 276: ... a nonremovable integrated antenna UNII 2 A UNII band dedicated to in building wireless LAN applications UNII 2 is located at 5 25 to 5 35 GHz and allows for a maximum transmit power of 200 mW or 23 dBm with an antenna up to 6 dBi UNII 2 regulations allow for an auxiliary user installable antenna W WEP Wired Equivalent Privacy An optional security mechanism defined within the 802 11 standard desig...

Page 277: ...urvey passive mode F 6 problems associating to 9 7 authenticating to 9 7 role in wireless network 1 7 security settings 5 26 to 5 28 Access Point Authentication parameter 5 29 Ack packets number received 7 16 number transmitted 7 15 ACU See Aironet Client Utility ACU ad hoc network defined E 6 parameters 5 17 to 5 20 selecting in ACU 5 6 selecting in Windows XP E 8 wireless LAN configuration 1 8 A...

Page 278: ...6 Allow Saved LEAP User Name and Password parameter in ACU installation program 3 21 8 21 8 25 antenna described 1 4 gains D 4 to D 5 mode currently being used 7 8 placement F 2 specifications A 5 Antenna Mode Receive parameter ad hoc mode 5 18 infrastructure mode 5 15 Antenna Mode Transmit parameter ad hoc mode 5 18 infrastructure mode 5 15 Apply button function 1 7 association rejections 7 14 ti...

Page 279: ...tween ACU and Windows XP 3 18 in ACU 5 1 to 5 42 in Windows XP E 5 to E 12 Constantly Awake Mode CAM 5 5 Contents ACU menu option 9 25 Continuous Link Test parameter in RF link test 7 19 in site survey active mode F 8 conventions of document xiii to xiv CRC error in packet 7 13 in PLCP header 7 13 Create ACU Icon on your Desktop parameter in ACU installation program 3 22 8 22 8 26 CTS packets numb...

Page 280: ...iew 5 22 to 5 25 E 2 to E 4 E EAP authentication overview 5 22 to 5 25 6 2 E 2 to E 4 using 6 1 to 6 19 EAP Cisco Wireless See LEAP authentication EAP MD5 authentication authenticating after profile selection card insertion reboot logoff 6 13 described 5 23 to 5 25 E 3 E 4 disabling 5 41 enabling in Windows XP E 11 to E 12 through ACU 5 34 to 5 37 RADIUS servers supported 5 23 5 24 E 3 setting on ...

Page 281: ... Generic Token Card Properties screen Windows XP 5 39 E 15 H hardware components of client adapter 1 3 to 1 4 Help button function 1 7 drop down menu 9 25 icon 9 25 help ACU 9 25 history of RF performance displayed 7 4 host based EAP described 5 23 to 5 25 disabling 5 41 enabling 5 34 to 5 41 Host Based EAP option 5 34 host devices 2 4 I I O range 9 4 Include Profile in Auto Profile Selection para...

Page 282: ... supported 5 22 setting on client and access point 5 26 stages of 6 2 supported software 5 31 LEAP Authentication Timeout Value parameter 5 33 LEAP login screen appearing before Windows login screen 9 8 displayed 6 5 6 6 6 8 6 10 LEAP option 5 31 LEAP parameter in ACU installation program 3 21 8 21 8 25 LEAP Settings screen 5 32 LEDs described 1 4 interpreting 9 2 to 9 3 link quality in link test ...

Page 283: ... 42 type current 7 10 network login screen 6 7 Network Security screen 5 20 Network Security Type parameter 5 28 5 31 5 34 5 41 Network Type parameter 5 6 noise level current 7 11 in link test 7 21 in site survey active mode F 11 in site survey passive mode F 5 No Network Connection Unless User is Logged In parameter 5 33 note defined xiii Number of Packets parameter in link test 7 19 in site surv...

Page 284: ...n Windows XP 5 38 E 14 peer to peer network 1 8 5 6 percent signal strength units in site survey F 3 signal strength units on Status and Linktest screens 7 4 Percent Successful histogram in site survey active mode F 9 F 13 Percent Success Threshold parameter F 9 Periodically Scan For A Better Access Point parameter 5 9 physical specifications A 2 PLCP CRC errors 7 13 format errors 7 13 length erro...

Page 285: ... ACU menu option 8 28 button in site survey F 13 restarting client adapter 8 28 F 13 RF link test prerequisites 7 18 running 7 18 to 7 22 stopping 7 22 RF network parameters described 5 2 5 6 setting 5 6 to 5 13 RF Network screen 5 7 RF obstructions 2 5 F 3 roaming 1 9 RTS packets advanced ad hoc parameters 5 19 advanced infrastructure parameters 5 16 number retransmitted 7 16 number transmitted 7...

Page 286: ...for client devices 2 5 for infrastructure devices 2 5 Site Survey Active Mode screen F 10 Active Mode Setup screen F 7 ACU menu option F 3 icon F 3 Passive Mode screen F 4 site survey active mode overview F 2 setting parameters F 8 to F 9 starting F 9 statistics F 11 to F 13 using F 7 to F 13 exiting F 6 F 13 guidelines F 2 passive mode overview F 2 statistics F 5 to F 6 using F 3 to F 6 specifyin...

Page 287: ...us screen 7 4 to 7 11 in Windows XP E 19 Stop button function 1 7 in site survey active mode F 13 system parameters described 5 2 5 3 setting 5 3 to 5 6 System Parameters screen 5 3 system requirements 2 4 T technical assistance obtaining xvi to xviii Technical Assistance Center contacting xvii to xviii Temporal Key Integrity Protocol TKIP described 5 26 setting on client and access point 5 28 tem...

Page 288: ...er 3 8 to 3 10 uninstalling 6 10 driver 8 14 to 8 15 uninstalling driver other than 6 10 8 17 upgrading driver 8 9 Windows login screen 6 3 6 4 Windows Me installing driver 3 15 to 3 16 uninstalling driver 8 17 upgrading driver 8 12 Windows NT installing driver 3 11 to 3 12 uninstalling 6 10 driver 8 15 uninstalling driver other than 6 10 8 18 upgrading driver 8 10 Windows system tray using Airone...

Page 289: ...onet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 Wireless Network Properties screen Windows XP E 6 workstation defined 1 3 in wireless infrastructure 1 9 World Mode parameter 5 9 ...

Page 290: ...Index IN 14 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 04 ...

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