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Cisco Aironet 340, 350, and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows

OL-1394-07

Chapter 2 Preparing for Installation

Site Requirements

For Client Devices

Because the client adapter is a radio device, it is susceptible to RF obstructions and common sources of
interference that can reduce throughput and range. Follow these guidelines to ensure the best possible
performance:

•

Install the client adapter in an area where large steel structures such as shelving units, bookcases,
and filing cabinets will not obstruct radio signals to and from the client adapter.

•

Install the client adapter away from microwave ovens. Microwave ovens operate on the same
frequency as the client adapter and can cause signal interference.

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Содержание Aironet 340 Series

Страница 1: ...t 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 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows Text Part Number OL 1394 07 ...

Страница 2: ... television or radio antenna until 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 break...

Страница 3: ... Assistance xvi Cisco TAC Website xvi Opening a TAC Case xvii TAC Case Priority Definitions xvii Obtaining Additional Publications and Information xvii 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 Utilities 1 6 Overview of ACU 1 6...

Страница 4: ... Adapter Software on Windows 98 98 SE 2000 Me or XP 3 2 Installing or Upgrading the Client Adapter Software on Windows NT 3 12 Verifying Installation 3 22 Deciding How to Configure Your Client Adapter Windows XP Only 3 22 Selecting Among Several Installed Client Adapters 3 24 C H A P T E R 4 Using the Profile Manager 4 1 Overview of Profile Manager 4 2 Opening Profile Manager 4 2 Creating a New Pr...

Страница 5: ...26 Reporting Access Points that Fail LEAP Authentication 5 27 Additional WEP Key Security Features 5 28 Synchronizing Security Features 5 29 Using Static WEP 5 32 Entering a New Static WEP Key 5 32 Overwriting an Existing Static WEP Key 5 34 Disabling Static WEP 5 35 Enabling LEAP 5 35 Enabling Host Based EAP 5 39 Enabling Host Based EAP Authentication in ACU 5 40 Enabling WPA Windows 2000 or XP O...

Страница 6: ...tion 6 15 After a Reboot or Logon 6 16 Using PEAP 6 16 After Profile Selection Card Insertion Reboot or Logon 6 16 Windows NT or 2000 Domain Databases or LDAP Databases Only 6 16 OTP Databases Only 6 17 After Your Password Expires Windows NT or 2000 Domain Databases Only 6 19 After Your PIN Expires OTP Databases Only 6 20 Using EAP SIM 6 21 If You Are Prompted for the PIN 6 21 If the PIN Is Stored...

Страница 7: ... PC Card or PC Cardbus Card 9 4 Removing a PCI Card 9 5 Client Adapter Software Procedures 9 5 Finding the Install Wizard Version 9 5 Upgrading the Client Adapter Software 9 6 Uninstalling the Client Adapter Software 9 6 Finding the Driver Version 9 7 Firmware Procedures 9 8 Finding the Firmware Version 9 8 Upgrading the Firmware 9 8 Preventing the Driver from Upgrading the Firmware 9 10 ACU Proce...

Страница 8: ... Access Point 10 11 Problems Connecting to the Network 10 11 Prioritizing Network Connections Windows 2000 and XP Only 10 11 Losing Association upon Resuming from Suspend Mode Windows NT and Mini PCI Cards Only 10 12 Parameters Missing from Profile Manager Screen 10 12 Windows Wireless Network Connection Icon Shows Unavailable Connection Windows XP Only 10 12 LEAP Login Screen Does Not Appear Befo...

Страница 9: ...ommunity Switzerland Norway Iceland and Liechtenstein C 4 Declaration of Conformity with Regard to the R TTE Directive 1999 5 EC C 4 2 4 GHz Client Adapters C 5 5 GHz Client Adapters C 6 Declaration of Conformity for RF Exposure C 6 Guidelines for Operating Cisco Aironet Wireless LAN Client Adapters in Japan C 6 Japanese Translation C 6 English Translation C 7 Administrative Rules for Cisco Airone...

Страница 10: ...rotected Access WPA E 4 Configuring the Client Adapter E 5 Enabling EAP TLS Authentication E 10 Enabling PEAP Authentication E 13 Enabling EAP SIM Authentication E 16 Associating to an Access Point Using Windows XP E 18 Viewing the Current Status of Your Client Adapter E 19 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 Stren...

Страница 11: ...on 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 Obtaining Addit...

Страница 12: ...rk configurations Chapter 2 Preparing for Installation provides information that you need to know before installing a client adapter such as safety information and system requirements Chapter 3 Installing the Client Adapter provides instructions for installing client adapter software Chapter 4 Using the Profile Manager explains how to use the ACU profile manager feature to create and manage profil...

Страница 13: ...nds and keywords are in boldface Variables are in italics Configuration parameters are capitalized Notes cautions and warnings use the following conventions and symbols Note Means reader take note Notes contain helpful suggestions or references to materials not contained in this manual Caution Means reader be careful In this situation you might do something that could result in equipment damage or...

Страница 14: ... ed essere al corrente delle pratiche standard per la prevenzione di incidenti La traduzione delle avvertenze riportate in questa pubblicazione si trova nell appendice Translated Safety Warnings Traduzione 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 far...

Страница 15: ...how to obtain technical information from Cisco Systems Cisco com You can access the most current Cisco documentation on the World Wide Web at this URL http www cisco com univercd home home htm You can access the Cisco website at this URL http www cisco com International Cisco websites can be accessed from this URL http www cisco com public countries_languages shtml Documentation CD ROM Cisco docum...

Страница 16: ...our comments in e mail to bug doc cisco com You can submit comments by using the response card if present behind the front cover of your document or by writing to the following address Cisco Systems Attn Customer Document Ordering 170 West Tasman Drive San Jose CA 95134 9883 We appreciate your comments Obtaining Technical Assistance For all customers partners resellers and distributors who hold va...

Страница 17: ...d Cisco will commit all necessary resources around the clock to resolve the situation Priority 2 P2 Operation of an existing network is severely degraded or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products You and Cisco will commit full time resources during normal business hours to resolve the situation Priority 3 P3 Operational pe...

Страница 18: ...h online resources You can access Packet magazine at this URL http www cisco com go packet iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet business strategies for executives You can access iQ Magazine at this URL http www cisco com go iqmagazine Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professiona...

Страница 19: ...Overview This chapter describes the Cisco Aironet 340 350 and CB20A 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 Client Adapters page 1 8 ...

Страница 20: ...odule that can be inserted into any device equipped 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 2 4 GHz 11 Mbps PCMCIA card radio module that is usually preinstalled in a device equippe...

Страница 21: ...att mW radio and the 350 series 100 mW radio transmit data over a half duplex radio channel operating at up to 11 Mbps These cards operate with other IEEE 802 11b compliant client devices in ad hoc or peer to peer mode or with Cisco Aironet 340 350 1100 and 1200 Series Access Points with a 2 4 GHz radio and other IEEE 802 11b compliant infrastructure devices in infrastructure mode They are approve...

Страница 22: ...automatically 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 ...

Страница 23: ...lient adapter s radio The client adapter is shipped with the firmware installed in Flash memory However Cisco recommends that you always use the latest version You can upgrade the client adapter s firmware in three ways Through the Install Wizard The Install Wizard automatically upgrades the client adapter s firmware to the version included in the Install Wizard file Through the driver The driver ...

Страница 24: ...functions it is documented by function throughout this manual However an overview of the utility is provided below to familiarize you with its interface ACM which is accessible from an icon in the Windows system tray provides a small subset of the features available through ACU Specifically it enables you to access status information about your client adapter and perform basic tasks Chapter 8 prov...

Страница 25: ...th ap_name Your radio_name is in AdHoc Mode Your radio_name is being loaded with new firmware The radio in your radio_name is turned OFF Unable to read the status from your Wireless LAN Adapter Your radio_name has a problem Note Some 340 series cards may improperly display a radio_name of 4800 Note Aironet Extensions must be enabled on access points running Cisco IOS Release 12 2 4 JA or greater i...

Страница 26: ...on how you configure 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 documentation for your access point Note Refer to Chapter 5 for...

Страница 27: ...rs 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 The use of an infrastructure device such as an access point is not required Figure 1 2 Ad Hoc Wireless LAN 47520 ...

Страница 28: ...ful with 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 retrie...

Страница 29: ...e for Windows OL 1394 07 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 ...

Страница 30: ... Do not touch 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 ...

Страница 31: ...ches 5 cm from your body or nearby persons during extended periods 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 contai...

Страница 32: ...card slot or Cardbus slot must be loaded and configured 35 MB of free hard disk space minimum A maximum of eight network connections if your computer is running Windows 98 or 98 SE Note Windows 98 and 98 SE limit your computer s network connections If you try to install a client adapter when eight network devices such as a PCMCIA Ethernet card dial up adapter VPN adapter docking station Ethernet c...

Страница 33: ...as client name The protocols necessary to bind to the client adapter The case sensitive service set identifier SSID for your RF network If your computer is not connected to a DHCP server the IP address subnet mask and default gateway address of your computer The wired equivalent privacy WEP keys of the access points with which your client adapter will communicate if your wireless network uses stat...

Страница 34: ...ions and common sources of interference that can reduce throughput and range Follow these guidelines to ensure the best possible performance Install the client adapter in an area where large steel structures such as shelving units bookcases and filing cabinets will not obstruct radio signals to and from the client adapter Install the client adapter away from microwave ovens Microwave ovens operate...

Страница 35: ...er provides instructions for installing the client adapter s firmware driver utilities and security modules The following topics are covered in this chapter Installing or Upgrading the Client Adapter Software page 3 2 Verifying Installation page 3 22 Deciding How to Configure Your Client Adapter Windows XP Only page 3 22 Selecting Among Several Installed Client Adapters page 3 24 ...

Страница 36: ...not use the Install Wizard file refer to version OL 1394 04 of this manual for installation configuration and operation instructions Note If you experience any problems during installation refer to Chapter 10 for a list of installation error messages InstallingorUpgradingtheClientAdapterSoftwareonWindows98 98SE 2000 Me or XP Follow the steps below to install or upgrade client adapter software comp...

Страница 37: ...CI cards Caution Do not eject your client adapter at any time during the installation process including during the reboot Step 10 If a driver is not currently installed for your client adapter the Found New Hardware Wizard screen appears Click Cancel Step 11 Find the Install Wizard file using Windows Explorer double click it and extract its files to a folder Note To extract the files click Browse ...

Страница 38: ...all all components Express Installation Upgrade recommended Silently installs the client adapter firmware drivers client utilities and security modules using the default values listed in Table 3 1 Custom Installation Upgrade Enables you to specify which software components are installed and to change the default values of certain parameters Step 14 If a message appears indicating that you may be r...

Страница 39: ... as it currently is on your system Note Click the sign beside the Security Modules option to reveal the available security components Note Some components are dependent on others Therefore when you select or deselect these components the settings of other components may change A dependency notice appears when this occurs b Click the sign beside each component to view additional parameters The curr...

Страница 40: ... No Causes the driver to install the firmware with which it is bundled if that firmware is newer than the firmware that is currently installed in the client adapter Note The Disable Firmware Checking parameter is functionally equivalent to the Automatically Load New Firmware When NDIS Driver Is Updated parameter on the ACU Preferences screen The parameter that is set last is the one that governs h...

Страница 41: ...all Wizard file Default Checked Installation Path Determines the path where the ACM software will be installed You can change the default by entering a new path Default C Program Files Cisco Systems Aironet Client Monitor Program Folder Determines the program folder where the ACM software will be installed You can change the default by entering a new folder name Default Cisco Systems Auto Start De...

Страница 42: ...o determine when ACM runs and to select the options that appear on the ACM pop up menu Turn Radio On Off Turns the client adapter s radio on or off Reauthenticate Forces your client adapter to try to reauthenticate using the username and password of the current profile Select Profile Enables you to select the active profile for your client adapter Auto Profile Selection Causes the client adapter s...

Страница 43: ...w Saved LEAP User Name and Password Enables you to create a profile in ACU that uses a saved rather than temporary username and password for 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 Options Yes or No Default Yes EAP SIM Installs the EAP SIM supplicant version included in ...

Страница 44: ...in the Windows system tray unless you changed the default value during installation Perform one of the following If a message appears asking if you wish to reboot now click Yes Note To ensure that your client adapter software is installed properly Cisco recommends that you click Yes to reboot your computer now PEAP Installs the PEAP supplicant version included in the Install Wizard file Installing...

Страница 45: ... you plan to use TCP IP follow the steps below for your operating system If you have more than one client adapter installed repeat this step for each adapter Windows 98 98 SE and Me Double click My Computer Control Panel and Network Select TCP IP Cisco Systems Wireless LAN Adapter Click Properties select Specify an IP address and enter the IP address subnet mask and default gateway address of your...

Страница 46: ...on Wizard For Windows select 802 11a b CB20A 350 Series 340 Series Step 5 Select the Install Wizard file with the greatest version number Step 6 Read and accept the terms and conditions of the Software License Agreement Step 7 Select the file again to download it Step 8 Save the file to your computer s hard drive Step 9 If you are installing a PC or LM card follow the steps below to obtain an avai...

Страница 47: ...LAN Client Adapter Installation Wizard screen appears see Figure 3 3 Figure 3 3 Cisco Aironet Wireless LAN Client Adapter Installation Wizard Screen Step 15 Select one of the following options and click Next Note To ensure compatibility among software components Cisco recommends that you perform an express installation If you perform a custom installation Cisco recommends that you install all comp...

Страница 48: ...nt Adapter Software Figure 3 4 Installable Drivers Screen Step 17 Select the driver that corresponds to your client adapter type and click Next Note You must select a driver even if one is not being installed Step 18 If you selected an express installation go to Step 20 If you selected a custom installation the Custom Installation screen appears see Figure 3 5 Figure 3 5 Custom Installation Screen...

Страница 49: ...remain as it is on your system Note Click the sign beside the Security Modules option to reveal the available security components Note Some components are dependent on others Therefore when you select or deselect these components the settings of other components may change A dependency notice appears when this occurs b Click the sign beside each component to view additional parameters The current ...

Страница 50: ...mware version No Causes the driver to install the firmware with which it is bundled if that firmware is newer than the firmware that is currently installed in the client adapter Note This parameter is functionally equivalent to the Automatically Load New Firmware When NDIS Driver Is Updated parameter on the ACU Preferences screen The parameter that is set last is the one that governs how the drive...

Страница 51: ...s Aironet Client Monitor Installs the ACM version included in the Install Wizard file Default Checked Installation Path Determines the path where the ACM software will be installed You can change the default by entering a new path Default C Program Files Cisco Systems Aironet Client Monitor Program Folder Determines the program folder where the ACM software will be installed You can change the def...

Страница 52: ...o determine when ACM runs and to select the options that appear on the ACM pop up menu Turn Radio On Off Turns the client adapter s radio on or off Reauthenticate Forces your client adapter to try to reauthenticate using the username and password of the current profile Select Profile Enables you to select the active profile for your client adapter Auto Profile Selection Causes the client adapter s...

Страница 53: ...the EAP SIM supplicant version included in the Install Wizard file Installing the EAP SIM supplicant 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 and select this option Default Unchecked Note The Microsoft 802 1X supplicant does not support EAP SIM authentication on Windows NT ...

Страница 54: ...e Cisco Aironet Wireless LAN Adapter Setup screen appears see Figure 3 6 Figure 3 6 Cisco Aironet Wireless LAN Adapter Setup Screen Step 21 If you are installing a PC or LM card select Interrupt in the Property list and an unused interrupt from Step 9 in the Value field and click OK If you are installing a PCI or mini PCI card click OK Step 22 Messages appear as binding configurations are stored T...

Страница 55: ... IP address from a DHCP server When asked if you want to enable DHCP click Yes and OK If your computer is not connected to a DHCP server and you plan to use TCP IP select Specify an IP address and enter the IP address subnet mask and default gateway address of your computer which can be obtained from your system administrator Click OK The installation process begins and you are notified as each co...

Страница 56: ...ation error messages and troubleshooting information Now that your client adapter is properly installed you are ready to go to Chapter 4 to create profiles for your client adapter unless you are running Windows XP or have more than one client adapter installed If you are running Windows XP go to the Deciding How to Configure Your Client Adapter Windows XP Only section below If you have more than o...

Страница 57: ... and Chapter 5 to configure your client adapter through ACU If you are planning to configure your client adapter through Windows 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 follow the in...

Страница 58: ... in ACU Step 1 Double click the Aironet Client Utility ACU icon on your desktop or double click My Computer Control Panel Aironet Client Utility to open ACU The Select A Wireless LAN Adapter Card screen appears see Figure 3 8 Note The Select A Wireless LAN Adapter Card screen appears when you start ACU if more than one card is inserted in your computer or no cards are inserted but more than one ca...

Страница 59: ...o 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 Including a Profile in Auto Profile Selection page 4 4 Selecting the Active Profile page 4 6 Modifying a Profile page 4 7 Importing and Exporting Profiles page 4 9 Granting or Denying Access to No...

Страница 60: ...w 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 software components To prevent your profiles from becoming ...

Страница 61: ...t be selected Creating a New Profile Follow the steps below to create a new profile Step 1 Click Add on the Profile Manager screen A cursor appears in the Profile Management edit box Step 2 Enter the 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 ...

Страница 62: ...t adapter automatically selects a profile from the list of profiles that were included in auto profile selection and uses it to establish a connection to the network Follow the steps below to include any of your profiles in auto profile selection and to establish the order in which the profiles will be selected for use Step 1 Open ACU click the Select Profile icon or select Select Profile from the...

Страница 63: ... auto profile selection You must include at least two profiles in the Auto Selected Profiles Box The profiles must specify an SSID otherwise they cannot be selected in the Available Profiles box Profiles cannot specify multiple SSIDs otherwise they cannot be selected in the Available Profiles box Each profile that is included in auto profile selection must have a unique SSID For example if Profile...

Страница 64: ... 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 provided Windows is using the Microsoft 802 1X supplicant In addition Windows can be set for only one authentication type at a time therefore if you have more than one profile in ACU that uses host based EAP and you want to use another authentication type you mu...

Страница 65: ...u log into the computer the login scripts will run However if you LEAP authenticate and achieve full network connectivity after you log into the computer the login scripts will not run Use Another Application to Configure My Wireless Settings This option enables an application other than ACU to configure the client adapter Examples of such applications include Windows XP and Boingo Note You must s...

Страница 66: ...Step 1 Open ACU click the Profile Manager icon or select Profile Manager from the Commands drop down menu The Profile Manager screen appears see Figure 4 1 Step 2 From the Profile Management drop down box select the profile that you want to rename Step 3 Click Rename The Profile Management edit box becomes enabled Step 4 Enter a new name for the profile Step 5 Click OK or Apply to save your change...

Страница 67: ...k Import The Import Profile screen appears Step 4 Find the directory where the profile is located Step 5 Click the profile so it appears in the File name box at the bottom of the Import Profile screen Step 6 Click Open The imported profile appears in the list of profiles on the Profile Manager screen Exporting a Profile Step 1 Insert a blank floppy disk into your computer s floppy drive if you wis...

Страница 68: ...rofiles in ACU and save them to the registry on computers running Windows NT 2000 or XP This option is not available for Windows 98 98 SE and Me because these versions of Windows do not support different classes of users When this parameter is set to No access to non administrative users is denied ACU has a similar parameter that you can use to change the selection you made during installation pro...

Страница 69: ...istrative Users Step 3 Perform one of the following Check the Allow Non Administrator Users to Save Profiles to the Registry check box if you want to allow regular class users to modify and save profiles Uncheck the Allow Non Administrator Users to Save Profiles to the Registry check box if you want to prevent regular class users from modifying and saving profiles Step 4 Click OK to save your chan...

Страница 70: ...sco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Chapter 4 Using the Profile Manager Granting or Denying Access to Non Administrative Users ...

Страница 71: ...r This chapter explains how to set 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 7 Setting Advanced Infrastructure Parameters page 5 14 Setting Advanced Ad Hoc Parameters page 5 17 Setting Network Security Parameters page 5 21 ...

Страница 72: ...ofile Manager screen Each of the Properties screens listed below contains parameters that 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 Co...

Страница 73: ...meters The 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 a...

Страница 74: ...SIDs 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 match the SSID of the access point Otherwise the client adapter is unable to access the network SSID2 An optional SSID that identifies a second distinct network and enables you to ro...

Страница 75: ... to see if 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 ...

Страница 76: ... 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 through an access point For example an ad hoc network can be set up between computers in a conference room so users...

Страница 77: ... Configuring the Client Adapter Setting RF Network Parameters Setting RF Network Parameters The RF Network screen see Figure 5 2 enables you to set parameters that control how and when the client adapter transmits and receives data To access this screen select the RF Network tab from the Properties screens Figure 5 2 RF Network Screen ...

Страница 78: ...y 12 Mbps Only 18 Mbps Only 24 Mbps Only 36 Mbps Only 48 Mbps Only or 54 Mbps 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 ...

Страница 79: ...d 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 domains Default Unchecked Note This parameter is available only for 2 4 GHz client adapters Note When World Mode is enabled the client adapter is limited to the maximum transmit power lev...

Страница 80: ...t to match the channel used by the other clients in the wireless network If the client adapter does not find any other ad hoc adapters this parameter specifies the channel with which the adapter will start its cell 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...

Страница 81: ...into the client 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 Not...

Страница 82: ... default value of the client adapter s firmware The firmware s CCA default value is shown in parentheses Note The CCA default value for PCM LMC and 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 ...

Страница 83: ...ters 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 packet is sent up the protocol stack quickly so the application can retransmit the packet if necessary Fragment Threshold Defines the threshold above which an RF data packet is split up or fragmented If one of those fragmented packets e...

Страница 84: ...You can set advanced infrastructure parameters only if your client adapter has been set to operate in an infrastructure network See the Network Type parameter in Table 5 2 The Advanced Infrastructure screen see Figure 5 3 enables you to set parameters that control how the client adapter operates within an infrastructure network To access this screen select the Advanced Infrastructure tab from the ...

Страница 85: ... connector If a snap on antenna is used diversity mode is recommended Otherwise select 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 w...

Страница 86: ...eter 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 obstructions or metallic surfaces Range 0 to 2312 Default 2312 Note Refer to ...

Страница 87: ...en select the Advanced Ad Hoc tab from the Properties screens Enable Radio Management Support Checking this check box enables the access point to which the client adapter is associated to control the use of radio management RM provided RM is enabled on the access point RM is a system wide feature that involves multiple infrastructure nodes The RM feature on the access point acts on radio measureme...

Страница 88: ...t 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Chapter 5 Configuring the Client Adapter Setting Advanced Ad Hoc Parameters Figure 5 4 Advanced Ad Hoc Screen ...

Страница 89: ...f a snap on antenna is used diversity mode is recommended Otherwise select 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 t...

Страница 90: ... this parameter 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 i...

Страница 91: ... Network 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 betwe...

Страница 92: ...ter is unavailable if the Wi Fi Protected Access WPA check box is checked Step 1 Perform one of the following Check the Allow Association to Mixed Cells check box if the access point with which the client adapter is to associate has WEP set to Optional and WEP is enabled on the client adapter Otherwise the client is unable to establish a connection with the access point Uncheck the Allow Associati...

Страница 93: ...r security reasons in the registry of the Windows device When the driver loads and reads the client adapter s registry parameters it also finds the static WEP keys unencrypts them and stores them in volatile memory on the adapter The Network Security screen enables you to view the current WEP key settings for the client adapter and then to assign new WEP keys or overwrite existing WEP keys as well...

Страница 94: ...guration parameters must be set within the operating system RADIUS servers that support EAP TLS authentication include Cisco Secure ACS version 3 0 or greater and Cisco Access Registrar version 1 8 or greater Note EAP TLS requires the use of a certificate Refer to Microsoft s documentation for information on downloading and installing the certificate Protected EAP or PEAP PEAP authentication is de...

Страница 95: ...ar version 3 0 or greater Note Because EAP TLS PEAP and EAP SIM authentication 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 provided Windows uses the Microsoft 802 1X supplicant In add...

Страница 96: ...WPA PSK key management however you configure a pre shared key on both the client and the access point and that pre shared key is used as the PMK Only 350 series and CB20A cards that are installed on computers running Windows 2000 or XP and running LEAP or host based EAP authentication can be used with WPA Support for WPA is available in the software components included in Install Wizard version 1 ...

Страница 97: ... enabled on the client adapter it must also be enabled on the access point Note Access points must use Cisco IOS Release 12 2 11 JA or greater to enable fast roaming Refer to the documentation for your access point for instructions on enabling this feature Note If the Microsoft 802 1X supplicant is installed on your computer you must disable one or two Windows parameters in order for this feature ...

Страница 98: ... the retransmitted message as legitimate The MIC adds a few bytes to each packet to make the packets tamper proof The Status screen indicates if MIC is being used and the Statistics screen provides MIC statistics Note If you enable MIC on the access point your client adapter s driver must support these features otherwise the client cannot associate Temporal Key Integrity Protocol TKIP This feature...

Страница 99: ...ork Authentication enable Static WEP and Shared Key Authentication and create a WEP key Set up and enable WEP and enable Shared Key Authentication for the SSID LEAP authentication Enable LEAP Set up and enable WEP and enable Network EAP for the SSID LEAP authentication with WPA Enable LEAP and Wi Fi Protected Access WPA Note To allow the client to associate to both WPA and non WPA access points en...

Страница 100: ...P Note To allow both WPA and non WPA clients to use the SSID enable optional WPA PEAP authentication If using ACU to configure card Enable Host Based EAP 802 1x and Dynamic WEP in ACU and select Enable network access control using IEEE 802 1X or Enable IEEE 802 1x authentication for this network and PEAP as the EAP Type in Windows Set up and enable WEP and enable Open Authentication for the SSID a...

Страница 101: ...rd Select Enable network access control using IEEE 802 1X and SIM Authentication as the EAP Type Set up and enable WEP and enable Open Authentication for the SSID and specify the use of EAP EAP SIM authentication with WPA If using ACU to configure card Enable Wi Fi Protected Access WPA Host Based EAP WPA and Dynamic WEP in ACU and enable WPA and select Enable network access control using IEEE 802 ...

Страница 102: ...e optional CCKM Reporting access points that fail LEAP authentication No settings required automatically enabled in firmware version 5 02 20 or greater No settings required automatically enabled in the following firmware versions 12 00T or greater 340 350 and 1200 series access points or Cisco IOS Release 12 2 4 JA or greater 1100 series access points MIC No settings required automatically enabled...

Страница 103: ...y size of 40 or 128 on the right side of the screen 128 bit client adapters can use 40 or 128 bit keys but 40 bit adapters can use only 40 bit keys If 128 bit is not supported by the client adapter this option is unavailable Step 6 Obtain the static WEP key from your system administrator and enter it in the blank field for the key you are creating Follow the guidelines below to enter a new static ...

Страница 104: ...ve the same WEP key This option is available only if Use Static WEP Keys is selected In shared key authentication the access point sends a known unencrypted challenge packet to the client adapter which encrypts the packet and sends it back to the access point The access point attempts to decrypt the encrypted packet and sends an authentication response packet indicating the success or failure of t...

Страница 105: ...ort WEP and use the firmware drivers utilities and security modules included in the Install Wizard file To use WPA 350 series and CB20A client adapters must use the software included in Install Wizard version 1 2 or greater on a computer running Windows 2000 or XP Access points to which your client adapter may attempt to authenticate must use the following firmware versions or greater 11 23T 340 a...

Страница 106: ...7 Figure 5 7 LEAP Settings Screen Step 4 Select one of the following LEAP username and password setting options Use Temporary User Name and Password Requires you to enter the LEAP username and password each time the computer reboots in order to authenticate and gain access to the network Use Saved User Name and Password Does not require you to enter a LEAP username and password each time the compu...

Страница 107: ...e Saved User Name and Password in Step 4 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 wish to specify ...

Страница 108: ...rk Security screen and return to the Profile Manager screen On the Profile Manager screen click OK or Apply to save your changes Step 13 Follow the steps below if the Microsoft 802 1X supplicant is installed on your computer and you want to take advantage of the fast roaming feature a Perform one of the following steps depending on your computer s operating system If your computer is running Windo...

Страница 109: ...ws 2000 or XP Also you must install additional software with WPA support You can download this software from the URLs provided Funk Odyssey Client supplicant version 2 2 for Windows 2000 http www funk com radius wlan wlan_c_radius asp Windows XP Service Pack 1 and Microsoft support patch 815485 for Windows XP http www microsoft com WindowsXP pro downloads servicepacks sp1 default asp http www micr...

Страница 110: ... section to set up host based EAP authentication in ACU Step 1 Check the Wi Fi Protected Access WPA check box under Network Authentication on the Network Security screen if you want to enable WPA This parameter enables the client adapter to associate to access points using WPA Note Refer to the Wi Fi Protected Access WPA section on page 5 26 for additional information Step 2 Select Host Based EAP ...

Страница 111: ...lect the Wireless Networks tab make sure the Use Windows to configure my wireless network settings check box is checked Select the SSID of the profile you are creating from the list of available networks and click Configure If your profile s SSID is not listed click Add and enter your profile s SSID in the Network name SSID field Go to the Enabling EAP Authentication in Windows section on page 5 4...

Страница 112: ... Wireless Networks tab on the Wireless Network Connection Properties screen The following screen appears see Figure 5 8 Figure 5 8 Wireless Network Connection Properties Screen Wireless Networks Tab Step 2 Make sure that the Use Windows to configure my wireless network settings check box is checked Step 3 Select the SSID of the profile you began setting up in ACU from the list of available network...

Страница 113: ... an SSID from the list of available networks make sure the SSID appears in the Network name SSID field If you clicked Add enter the case sensitive SSID of your profile in the Network name SSID field Step 5 Select WPA from the Network Authentication drop down list This option enables your client adapter to associate to access points using WPA Step 6 Select TKIP from the Data encryption drop down li...

Страница 114: ... Note The Authentication screen shown above appears on computers running Windows 2000 or XP The screen looks slightly different on computers running Windows 98 98 SE NT or Me or Windows XP Service Pack 1 Step 2 Check the Enable network access control using IEEE 802 1X or Enable IEEE 802 1x authentication for this network check box if you did not enable WPA Step 3 Perform one of the following depen...

Страница 115: ...EAP TLS Follow the steps below to enable EAP TLS Step 1 For EAP type select Certificates on Windows 98 98 SE NT or Me or Smart Card or other Certificate on Windows 2000 or XP Step 2 Click Properties The Certificate Properties screen see Figure 5 11 or the Smart Card or other Certificate Properties screen appears see Figure 5 12 and Figure 5 13 Figure 5 11 Certificate Properties Screen Windows 98 9...

Страница 116: ...nfiguration Guide for Windows OL 1394 07 Chapter 5 Configuring the Client Adapter Setting Network Security Parameters Figure 5 12 Smart Card or other Certificate Properties Screen Windows 2000 and XP Figure 5 13 Smart Card or Other Certificate Properties Screen Windows XP Service Pack 1 ...

Страница 117: ...not verified and a connection is established as long as the certificate is valid Step 7 Perform one of the following If your computer is running Windows 98 98 SE NT or Me select the certificate authority from which the server certificate was downloaded in the Trusted Root Certification Authorities field If your computer is running Windows 2000 or XP make sure that the name of the certificate autho...

Страница 118: ...ave this field blank the server name is not verified and a connection is established as long as the certificate is valid Step 5 Make sure that the name of the certificate authority from which the server certificate was downloaded appears in the Trusted root certificate authority CA field If necessary click the arrow on the drop down menu and select the appropriate name Note If you leave this field...

Страница 119: ...your hardware 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 check this check box you must also select from the Supported Type drop down box the software token so...

Страница 120: ...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 authentication is performed This option is not recommended if your client will be roa...

Страница 121: ...IM for a particular profile follow the steps below Step 1 Select None under Network Authentication on the Network Security screen in ACU and click OK Step 2 Click OK or Apply on the Profile Manager screen Step 3 Perform one of the following depending on your computer s operating system If your computer is running Windows 98 98 SE NT or Me run the Microsoft 802 1X Authentication Client application ...

Страница 122: ...5 52 Cisco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Chapter 5 Configuring the Client Adapter Setting Network Security Parameters ...

Страница 123: ...s 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 6 Using LEAP with a Manually Prompted Login page 6 9 Using LEAP with a Saved Username and Password page 6 14 Using EAP TLS page 6 15 Using PEAP page 6...

Страница 124: ...h the Windows username and password page 6 3 LEAP with an automatically prompted login page 6 6 LEAP with a manually prompted login page 6 9 LEAP with a saved username and password page 6 14 EAP TLS page 6 15 PEAP page 6 16 EAP SIM page 6 21 Also provided are an overview of LEAP below and instructions for restarting the authentication process when necessary page 6 22 Follow the instructions for yo...

Страница 125: ...ear for all future LEAP authentication attempts Using LEAP with the Windows Username and Password After Profile Selection or Card Insertion After you or auto profile selection select a profile that uses LEAP authentication and specifies that your Windows username and password also serve as your LEAP username and password or you eject and reinsert the client adapter while this profile is selected t...

Страница 126: ...Reboot or Logon After your computer reboots or you log on follow the steps below to LEAP authenticate Step 1 When the Windows login screen appears see Figure 6 2 and Figure 6 3 enter your Windows username and password and click OK The domain name is optional Note If your computer is running Windows NT 2000 or XP and has Novell Client 32 software installed a separate LEAP login screen appears befor...

Страница 127: ...P and you change your Windows password using the standard Windows Change Password function the client updates the LEAP password automatically and maintains its connection to the access point if the current profile uses the Windows username and password If your computer is running Windows 98 98 SE or Me and you change your Windows password the client loses association from the access point and you ...

Страница 128: ...er your credentials until you reboot your computer eject and reinsert your client adapter or change the profile in any way including its priority in auto profile selection Step 1 When the LEAP login screen appears see Figure 6 4 enter your LEAP username and password and click OK The domain name is optional Figure 6 4 LEAP Login Screen Note The LEAP login screen shown above appears on computers run...

Страница 129: ...een on computers running Windows 98 98 SE or Me If the Windows screen appears first follow the instructions in the LEAP Login Screen Does Not Appear Before Windows Login Screen Windows 98 98 SE and Me Only section on page 10 13 On computers running Windows NT 2000 or XP the LEAP login screen appears after the Windows login screen The LEAP Authentication Status screen appears Step 2 If your client ...

Страница 130: ...n Note Figure 6 6 shows an example network login screen that may appear on computers running Windows 98 98 SE and Me Your screen may look different Figure 6 7 shows the network login screen that appears on Windows 2000 systems The login screen looks slightly different on computers running Windows NT and XP Figure 6 6 Network Login Screen Windows 98 98 SE and Me Figure 6 7 Network Login Screen Wind...

Страница 131: ...ct the Reauthenticate option Windows restarts or the card is ejected and reinserted Are you sure If you click No the LEAP login screen reappears and allows you to enter your new credentials If you click Yes the current profile is disabled until you select Reauthenticate from ACM or the Commands drop down menu in ACU reboot your computer or eject and reinsert the card The Current Profile field on t...

Страница 132: ... drop down box the LEAP login screen appears see Figure 6 8 Figure 6 8 LEAP Login Screen Enter your LEAP username and password and click OK The domain name is optional Note 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 If auto profile selection selects a manual...

Страница 133: ...d and click OK The domain name is optional Step 2 The LEAP Authentication Status screen appears If your client adapter authenticates the screen shows that each stage was successful and then disappears ACM now shows Authenticated 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 tim...

Страница 134: ... adapter the adapter does not automatically 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 Open ACU Step 3 Select the Manual LEAP Login option from the Commands drop down menu see Figure 6 10 Figure 6 10 Commands Drop Down Menu Step 4 When the L...

Страница 135: ...e 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 LEAP Authentication Error Messages section on page 10 20 for the necessary action to take After Your LEAP Credentials Expire If the LEAP credentials username and password for your current profile ex...

Страница 136: ...n appears 2 If your client adapter authenticates the screen shows that each stage was successful and then disappears ACM now shows Authenticated 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 LEAP Authentication Error Messages section on p...

Страница 137: ...select Reauthenticate from ACM or the Commands drop down menu in ACU reboot your computer or eject and reinsert the card The Current Profile field on the ACU Status screen lists the profile as being Disabled Step 3 Edit the profile in ACU by changing the saved username and password on the LEAP Settings screen Step 4 Click OK three times to save the changes to your profile Using EAP TLS After Profi...

Страница 138: ... Logon After you or auto profile selection select a profile that uses host based EAP authentication and you configure the card in Windows provided Windows is using the Microsoft 802 1X supplicant for PEAP authentication follow the steps in one of the sections below depending on your user database to EAP authenticate Note These instructions are applicable after profile selection card ejection and r...

Страница 139: ...Alt Delete select Change Password and enter your old password once and your new password twice OTP Databases Only Step 1 If your computer is running Windows XP a pop up message appears above the Windows system tray informing you that you need to select a certificate or other credentials to access the network Click this message Step 2 If a message appears indicating the root certification authority...

Страница 140: ... field Note The Hardware Token and Software Token options are available only if you selected both of them on the Generic Token Card Properties screen during configuration Otherwise only the option you selected will be available Step 7 Enter either your hardware token password or your software token PIN Step 8 Click OK The client adapter should now EAP authenticate To verify authentication double c...

Страница 141: ... to indicate that your password has expired enter your old password in the Old Password field Figure 6 14 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 To verify authenticatio...

Страница 142: ... old PIN in the Old PIN field Figure 6 15 Change PIN Screen Step 2 Enter your new PIN in both the New PIN and Confirm New PIN fields Step 3 Enter a word that will help you to remember your PIN in the PIN Hint Phrase field Step 4 Click OK The client adapter should authenticate using your new PIN To verify authentication double click My Computer Control Panel and Network Connections The status appea...

Страница 143: ...t or at every authentication request follow the steps below to EAP authenticate Note These instructions are applicable after profile selection card ejection and re insertion reboot or logon Step 1 Perform one of the following If your computer is running Windows 2000 the Enter PIN screen appears see Figure 6 16 If your computer is running Windows XP a pop up message appears above the Windows system...

Страница 144: ...pplicant temporarily 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 Connectio...

Страница 145: ... how to use 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 3 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 ...

Страница 146: ...less network ACU diagnostic tools perform the following functions Display your client adapter s current status and configured settings Display statistics pertaining to your client adapter s transmission and reception 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 p...

Страница 147: ...ostic Tools Setting Parameters that Affect ACU Diagnostic Tools Several parameters affect the operation of ACU diagnostic tools Follow the steps below to set these parameters Step 1 Open ACU Step 2 Click the Preferences icon or select Preferences from the Options drop down menu The Aironet Client Utility Preferences screen appears see Figure 7 1 Figure 7 1 Aironet Client Utility Preferences Screen...

Страница 148: ...en with the signal strength values displayed in decibels with respect to milliwatts dBm Note The name of the current profile appears in parentheses at the top of the screen Table 7 2 Parameters Affecting 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 us...

Страница 149: ...Installation and Configuration Guide for Windows OL 1394 07 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 ...

Страница 150: ...rofile Manager screen This is the profile that you have selected as the active profile Note The current profile may be different than the default profile if you are using auto profile selection The client adapter will not switch profiles as long as it remains associated to the access point or reassociates within 10 seconds or within the time specified by the LEAP authentication timeout value if LE...

Страница 151: ...el MIC is enabled and is being used with WPA and TKIP Server Based Authentication Indicates the configuration of the access point to which your client adapter is associated Value None WEP Key In Use Cell Is Secure or LEAP Authenticated Server Based Authentication Description None The access point is configured for No Encryption WEP Key In Use The access point is configured for Optional encryption ...

Страница 152: ...lient adapter Value None or CCKM Note Refer to the Fast Roaming CCKM section on page 5 26 for more information on fast roaming Antenna Selection The antenna mode that your client adapter is currently using Value Diversity Primary Only Secondary Only Primary Only is the only option available for PCI client adapters Note This setting appears only for 2 4 GHz client adapters Note The Primary Only and...

Страница 153: ...t adapters 5 10 or 20 mW 5 GHz client adapters Note Refer to the Transmit Power parameter in Table 5 3 for information on setting the client adapter s power level Available Power Levels The power levels at which your client adapter is capable of transmitting The maximum level is dependent upon the radio installed in your client adapter and your country s regulatory agency Value 1 5 15 or 30 mW 340...

Страница 154: ...ns are enabled on access points running Cisco IOS Release 12 2 4 JA or greater Note If Aironet Extensions are disabled the IP address of the associated access point is shown as 0 0 0 0 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 Note This field displays the MAC ad...

Страница 155: ...o be received 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 Quali...

Страница 156: ...apter s statistics open ACU then click the Statistics icon or select Statistics from the Commands drop down menu The Statistics screen appears 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 fr...

Страница 157: ...ts that were received successfully Overrun Errors The number of packets received when no receive buffers were available These errors usually occur when the host does not read the received packets from the client adapter fast enough PLCP CRC Errors The number of times the client adapter started to receive an 802 11 physical layer convergence protocol PLCP header but the rest of the packet was ignor...

Страница 158: ...ion element WPA information elements are sent by access points to advertise supported authentication modes and supported ciphers Note This field is displayed only if WPA is enabled Authentication Rejects The number of times the client adapter tried to authenticate to an access point but was rejected Authentication Time out The number of times the client adapter tried to authenticate to an access p...

Страница 159: ...f the adapter has been running for more than 24 hours the time is displayed in days hours minutes seconds Transmit Statistics Multicast 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 ...

Страница 160: ...re delayed due to 802 11 protocol reasons such as not enough time left to send the packet Packets Deferred Energy Detect The number of packets that were delayed because RF energy was already detected This condition is usually 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...

Страница 161: ...graphical display determines whether the RF link between your client adapter and its associated access point is poor fair good or excellent The name IP address and MAC address of the access point that is associated to your client adapter are indicated at the bottom of the display Note The access point name and IP address are shown only if the client adapter is in infrastructure mode the access poi...

Страница 162: ...can be used to determine RF network coverage and ultimately the required number and placement of access points in your network The test also helps you to avoid areas where performance is weak thereby eliminating the risk of losing the connection between your client adapter and its associated access point Because the link test operates above the RF level it does more than test the RF link between t...

Страница 163: ...un until you 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 checked Range 1 to 1000 Default 4 Check the Continuous Lin...

Страница 164: ...ackets even 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 Figur...

Страница 165: ...re mode the access point was configured with a name and Aironet Extensions are enabled on access points running Cisco IOS Release 12 2 4 JA or greater 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 Note This field displays the MAC address of the access point s Ethern...

Страница 166: ...e 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 client adapter s ability to communicate with the access point which is determined by the comb...

Страница 167: ... 1394 07 8 Using the Aironet Client Monitor ACM This chapter explains how to use the Aironet Client Monitor ACM to access status information about your client adapter and perform basic tasks The following topics are covered in this chapter Overview of ACM page 8 2 The ACM Icon page 8 2 Tool Tip Window page 8 3 Pop Up Menu page 8 5 ...

Страница 168: ...hat appears when you hover the cursor over the icon Through a pop up menu that appears when you right click the icon The ACM Icon The appearance of the ACM icon indicates the connection status of your client adapter ACM reads the client adapter status and updates the icon every 2 seconds Table 8 1 interprets the different appearances of the ACM icon Note Windows 98 98 SE 2000 and XP may display th...

Страница 169: ... 2 lists and describes each element of the Tool Tip window Table 8 2 Tool Tip Window Elements Status Element Description Active profile The network configuration or profile that your client adapter is currently using Note If auto profile selection is enabled the profile name is preceded by the word Auto Note If an application other than ACU was used to configure the client adapter Other Configurat...

Страница 170: ...associated to an access point and the user is authenticated Authentication Failed The client adapter is associated to an access point but the attempt to authenticate the user has failed Note This status may appear very briefly or not all as the authentication failure may result in the client adapter becoming disassociated in which case the status reads Not Associated Link quality The client adapte...

Страница 171: ...up menu option Note If you used the Aironet Client Monitor Preferences screen or your system administrator used an administrative tool to deactivate certain ACM menu options these options do not appear in the menu and therefore cannot be selected About When you select this option the About screen appears see Figure 8 3 Figure 8 3 ACM About Screen The About screen displays the version number of ACM...

Страница 172: ...ates ACU It is available only if ACU is installed If more than one ACM icon appears in the Windows system tray ACU initializes itself to use the client adapter associated with the icon that initiated the launch Troubleshooting This option activates the Cisco Wireless LAN Adapter Troubleshooting Utility which enables you to identify and resolve configuration and association problems with your clien...

Страница 173: ...e The Preferences option cannot be deselected It always appears in the ACM pop up menu Step 3 Click OK to save your changes Turn Radio On Off This option enables you to turn the client adapter s radio on or off Turning the radio off prevents the adapter from transmitting RF energy You might want to turn off the client adapter s radio in the following situations You are not transmitting data and wa...

Страница 174: ...g profiles in ACM You can select a profile in ACM that uses host based EAP but you must enable the specific authentication type in Windows provided Windows is using the Microsoft 802 1X supplicant In addition Windows can be set for only one authentication type at a time therefore if more than one profile in ACM uses host based EAP and you want to use another authentication type you must change aut...

Страница 175: ...he login scripts will run However if you LEAP authenticate and achieve full network connectivity after you log into the computer the login scripts will not run A specific profile When you select a profile from the list of available profiles the client adapter attempts to establish a connection to an access point using the parameters that were configured for that profile If the client adapter canno...

Страница 176: ...r client adapter Value Radio Off Not Associated Associated Authenticating Authenticated or Authentication Failed Connection Status Description Radio Off The client adapter s radio is turned off Not Associated The client adapter has not established a connection to an access point Associated The client adapter has established a connection to an access point Authenticating The client adapter is assoc...

Страница 177: ... points running Cisco IOS Release 12 2 4 JA or greater Access Point IP Address The IP address of the access point to which your client adapter is associated It is shown only if the client adapter is in infrastructure mode the access point was configured with an IP address and Aironet Extensions are enabled on access points running Cisco IOS Release 12 2 4 JA or greater Note If Aironet Extensions a...

Страница 178: ...8 12 Cisco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Chapter 8 Using the Aironet Client Monitor ACM Pop Up Menu ...

Страница 179: ...This chapter provides procedures for common tasks related to the client adapter The following topics are covered in this chapter Inserting and Removing a Client Adapter page 9 2 Client Adapter Software Procedures page 9 5 Restarting the Client Adapter page 9 15 Turning Your Client Adapter s Radio On or Off page 9 15 Uninstalling the Microsoft Hot Fix page 9 16 ...

Страница 180: ...ne of the sections below to insert a PC card PC 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...

Страница 181: ...mponents Step 2 Remove the computer cover Note On most Pentium PCs PCI expansion slots are white Refer to your 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 p...

Страница 182: ...ntenna so it is straight up Step 10 Boot up your PC Removing a Client Adapter Follow the instructions in one of the sections below to remove a PC card PC Cardbus card or PCI card from a computing 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 completel...

Страница 183: ...rom the slot and carefully tilt the adapter to allow it to clear the opening in the CPU back panel Step 6 Reinstall the screw on the CPU back panel and replace the computer cover Client Adapter Software Procedures This section provides instructions for the following procedures Finding the Install Wizard version see below Upgrading the client adapter software page 9 6 Uninstalling the client adapte...

Страница 184: ...adapter software follow the steps below to uninstall the current software components Then install the older software Note When you uninstall the client adapter software any existing profiles are removed If you want to save your profiles for later use follow the instructions in Chapter 4 to export your profiles before uninstalling the software components Note This procedure does not uninstall the P...

Страница 185: ...ons and click OK Step 7 If you did not remove the client adapter from your computer the Found New Hardware Wizard screen appears after your computer reboots Click Cancel Note The Found New Hardware Wizard screen does not appear on computers running Windows NT Step 8 This procedure does not remove the Install Wizard file or its uncompressed files If you want to remove them from your computer find t...

Страница 186: ...sk of a power failure during the firmware flashing process which could render your client adapter inoperable Cisco recommends that your computer be plugged into AC power or have a fully charged battery at the start of flashing If a power failure does occur follow the instructions in the Technical Assistance Center section of the Preface to contact TAC for assistance You can upgrade your client ada...

Страница 187: ...ent adapter s model number such as 340 or 350 series Step 6 Select the latest firmware file for your specific client adapter type such as CB or MPI Note The firmware for PC LM and PCI cards is labeled PCMCIA LMC PCI the firmware for mini PCI cards is labeled mini PCI or MPI and the firmware for PC Cardbus cards is labeled CB Note If your wireless network uses EAP authentication access points to wh...

Страница 188: ... the Firmware The Automatically Load New Firmware When NDIS Driver Is Updated parameter on the Aironet Client Utility Preferences screen affects the firmware that is bundled with the driver not the firmware that is included in the Install Wizard This parameter controls whether the driver whenever it loads installs the firmware with which it is bundled The driver loads each time you insert a client...

Страница 189: ...ly Load New Firmware When NDIS Driver Is Updated check box is not checked Note If you want the driver when it loads to install the firmware with which it is bundled if it is newer than the firmware that is currently installed in the client adapter make sure the Automatically Load New Firmware When NDIS Driver Is Updated check box is checked Note When you upgrade your client adapter s firmware usin...

Страница 190: ... parameter or the Disable Firmware Checking parameter was last set for that card type or card slot Step 4 Click OK ACU Procedures This section provides instructions for the following procedures Opening ACU below Exiting ACU page 9 13 Modifying ACU installation settings page 9 13 Finding the version of ACU page 9 13 Adding the ACU icon to or removing it from the desktop page 9 14 Accessing online h...

Страница 191: ... any of the settings that you selected during installation for example placing the ACU icon on the desktop or allowing a saved LEAP username and password you must run the Install Wizard again and modify the parameter values Refer to Chapter 3 for instructions Finding the Version of ACU Follow the instructions in this section to find the version of ACU that is currently installed Step 1 Open ACU St...

Страница 192: ...icon or select Contents from the Help drop down menu An overview of ACU appears From the Overview of the Aironet Client Utility screen you can access additional information To access information on specific menu options click Contents Double click Aironet Client Utility Commands the desired menu such as Options Menu and the desired topic such as Preferences To access information on specific parame...

Страница 193: ... at the bottom of the ACU screen shows the client adapter losing association and then reassociating Turning Your Client Adapter s Radio On or Off Your client adapter s radio can be turned on or off Turning the radio off prevents the adapter from transmitting RF energy You might want to turn off the client adapter s radio in the following situations You are not transmitting data and want to conserv...

Страница 194: ... Turn Radio Off from the Commands drop down menu see Figure 9 6 to turn off the radio The status bar at the bottom of the ACU screen indicates that the radio is turned off If your client adapter s radio is off open ACU and select Turn Radio On from the Commands drop down menu see Figure 9 6 to turn on the radio Uninstalling the Microsoft Hot Fix When LEAP is selected during installation on a Windo...

Страница 195: ...hapter provides information for diagnosing and correcting common problems that may be encountered when installing or operating the client adapter The following topics are covered in this chapter Accessing the Latest Troubleshooting Information page 10 2 Interpreting the Indicator LEDs page 10 2 Troubleshooting the Client Adapter page 10 3 Error Messages page 10 13 ...

Страница 196: ...g pattern to indicate an error condition Table 10 1 interprets the LED messages during normal operation Table 10 2 interprets the LED error condition messages Table 10 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 t...

Страница 197: ...tance section in the Preface for technical support information Off 6 fast blinks 2 second pause Incompatible firmware Load the correct firmware version Table 10 2 LED Error Condition Messages continued Green LED Amber LED Condition Recommended Action Table 10 3 Locating Troubleshooting Information Troubleshooting Information Page Number Using the troubleshooting utility 10 4 Client adapter recogni...

Страница 198: ...re mode as it assesses the connection between the adapter and an access point Follow the instructions in one of the subsections below to use the utility to diagnose your client adapter s operation save a detailed report to a text file or access online help Diagnosing Your Client Adapter s Operation Step 1 Perform one of the following to activate the troubleshooting utility Open ACU select Troubles...

Страница 199: ...y exist 1 Checking driver installation 2 Checking client adapter insertion 3 Checking the client adapter s radio to see if it is turned on 4 Checking the client adapter s association to an access point 5 Checking authentication 6 Checking the receive interrupt 7 Checking network settings 8 Checking the client adapter s connection to the access point The utility runs until it completes successfully...

Страница 200: ...peats the testing process continually so the client adapter can be tested with new profiles Step 3 To view more detailed information click Detailed Report A report appears that explains the purpose of each test and the results for your client adapter Note The report contains valuable information that if necessary could be used by TAC to analyze any problems Follow the instructions in the next sect...

Страница 201: ...pears Step 2 Click Help Topics at the top of the screen From the Help Topics screen you can access additional information To access information on specific topics double click Troubleshooting Tips on the Contents page the desired topic such as Radio LEDs and the desired subtopic such as LED Error Condition Messages To search for a specific topic click the Index tab select an index entry and click ...

Страница 202: ...rol Panel and System Step 2 Click the Device Manager tab Step 3 Double click Network Adapters Step 4 Select the Cisco Systems Wireless LAN Adapter Step 5 Click the Properties button Step 6 In the General screen the Device Status field indicates if a resource problem exists If a problem is indicated click the Resources tab Step 7 Uncheck the Use automatic settings check box Step 8 Under Resource Se...

Страница 203: ...ep 10 Select Interrupt under Property Step 11 Select the number of the unused interrupt from Step 4 in the Value drop down box Step 12 Select IO Base Address under Property Step 13 Select a value that is within the unused range you determined in Step 6 For example if your unused range is 0140 0169 you could select 0150 Step 14 Click OK Resolving Resource Conflicts in Windows 2000 Step 1 Double cli...

Страница 204: ...double click the Cisco Systems Wireless LAN Adapter Step 4 In the General screen the Device Status field indicates if a resource problem exists If a problem is indicated click the Resources tab Step 5 Uncheck the Use automatic settings check box Step 6 Under Resource Settings click I O Range Step 7 Look in the Conflicting Device list at the bottom of the screen If it indicates that the range is be...

Страница 205: ...ion 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 but not authenticate to access points using 128 bit encryption To authenticate to an access point using 128 bit encryption you have two options Purchase a 128 bit client adapter This is the most secure option Disable static WEP for the client adapter and confi...

Страница 206: ... of mini PCI cards your client adapter loses its association to an access point upon resuming from suspend mode If this occurs restart your client adapter to reassociate Parameters Missing from Profile Manager Screen If some parameters are unavailable on the Profile Manager screen your system administrator may have used an administrative tool to deactivate these parameters In this case these param...

Страница 207: ...evice a Microsoft hot fix is also installed to fix two problems related to the use of LEAP You can obtain a description of this hot fix and the problems it resolves at the following Microsoft URL http support microsoft com support kb articles Q247 8 05 asp Note Only the English version of the hot fix is installed Foreign language versions of these operating systems require a hot fix specific to th...

Страница 208: ...commended Action Reinsert the client adapter if you wish to resume wireless communications Error Message An error occurred while trying to make the selected profile active Explanation An error occurred when you selected a profile in ACM Recommended Action Check the profile s configuration parameters in ACU or select a new profile Error Message Error Reading filename Explanation A problem occurred ...

Страница 209: ...y 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 The installation will complete and applications will be installed when a wireless LAN client adapter is inserted If an adapter is already inserted remove and reinsert...

Страница 210: ...Client Adapters Installed Explanation An attempt was made to start ACU without a client adapter being inserted in the computer ACU cannot execute if a client adapter is not inserted because it needs to be able to read from and write to the adapter Recommended Action Insert a client adapter and start ACU Error Message Please close ACU in order to use it with the Wireless LAN Adapter you selected us...

Страница 211: ... if the client adapter is associated to an access point Recommended Action Uncheck the Use Windows to configure my wireless network settings check box in Windows XP to force Windows to display the correct status Error Message You cannot run a link test because your client adapter is not associated Explanation An attempt was made to run a link test while the client adapter was not associated to an ...

Страница 212: ... inserted Explanation One of two conditions is present 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 the adapter 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...

Страница 213: ...nning Stop the process or reboot Explanation Another InstallShield application is currently running Conflicts can arise when multiple InstallShield applications are run simultaneously Recommended Action Close the applications and run them separately Error Message Invalid configuration binary aborting now Explanation The configuration binary has been corrupted due to a bad checksum Recommended Acti...

Страница 214: ...s not support WEP Recommended Action Make sure that you have installed the correct client adapter and are using the firmware included in the Install Wizard file Error Message The combination of domain name and user name exceeds the maximum number of characters 32 that LEAP supports Please uncheck Include Windows Logon Domain with User Name in ACU or use shorter names Explanation The combination of...

Страница 215: ...me and password you selected Cancel The profile was disabled to prevent accidental authentication attempts in the future Recommended Action Click No enter your new username and password when the LEAP login screen reappears and click OK The client adapter should authenticate using your new credentials If the profile uses saved credentials edit the profile in ACU by changing the username and passwor...

Страница 216: ...ice a Microsoft hot fix is also installed to fix two problems related to the use of LEAP However only the English version of the hot fix is installed Foreign language versions of these operating systems require a hot fix specific to those languages Recommended Action Contact Microsoft Product Support Services to obtain the hot fix for languages other than English Without the hot fix installed you ...

Страница 217: ... it contains fewer than 32 characters PEAP Authentication Error Messages This section lists error messages that may occur during PEAP authentication The messages are divided into six subsections based on the type of database that is used with PEAP Use Table 10 5 to quickly locate the error messages for your database For All PEAP Supported Databases Error Message PEAP failed initialization Please m...

Страница 218: ... security risk click Yes Otherwise click No 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 Message Th...

Страница 219: ...PIN fields on the Change PIN screen They must be identical Recommended Action Re enter your new PIN in both fields Error Message New PIN is invalid Please try it again Explanation The PIN that you entered in the New PIN field on the Change PIN screen is invalid Recommended Action Re enter your new PIN Error Message The old PIN you supplied is invalid Please try it again Explanation The old PIN tha...

Страница 220: ...tered Explanation An error occurred while attempting to get data from the SofToken server Recommended Action Make sure that SofToken is installed correctly and the correct program path is entered Error Message Initialization of SofToken library failed Please make sure SofToken is installed correctly and the correct program path is entered Explanation An error occurred with the SofToken program Rec...

Страница 221: ...Unable to load SofToken library Please make sure that SofToken is installed correctly Explanation An error occurred with the SofToken program Recommended Action Make sure that SofToken is installed correctly and the correct program path is entered For OTP Databases Using Secure Computing SofToken II Version 2 0 Error Message Error getting the OTP password for the user Run SofToken II to ensure the...

Страница 222: ...RSA SecurID program Recommended Action Make sure that RSA SecurID is installed correctly Error Message Unable to open RSA Token service Explanation An error occurred with the RSA SecurID program Recommended Action Make sure that RSA SecurID is installed correctly EAP SIM Authentication Error Messages This section lists error messages that may occur during EAP SIM authentication Error Message Clien...

Страница 223: ...em tries to authenticate the client adapter again approximately 30 to 60 seconds and enter a valid PIN Do not click Cancel or otherwise interfere with the normal operation of Windows If the problem persists reboot your computer Error Message Maximum length of PIN is 8 characters Explanation You tried to enter a PIN that is longer than eight characters SIM card PINs are restricted to a maximum leng...

Страница 224: ...ollow the steps below Step 1 Install a smartcard reader if you have not done so Step 2 If a reader is installed make sure that it is inserted completely into the PCMCIA slot PCMCIA model or that the connector cable is inserted properly into the serial or USB connector serial USB port model Step 3 Make sure that the system recognizes your reader It should be listed under Smart card readers in Windo...

Страница 225: ...If your reader is not listed eject and reinsert the reader PCMCIA model or disconnect and reconnect 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 Message Please contact your service provider to unblock your card Explanation You have exceeded your SIM card s retry limit by entering too many incorrect P...

Страница 226: ...IM card is not inserted properly or the wrong SIM card is inserted Recommended Action Make sure that you are using a valid SIM card that is the SIM card provided to you for wireless network access not a SIM card intended for mobile phone use If that does not correct the error make sure that your SIM card is inserted into the reader properly It should be inserted into the reader all the way and not...

Страница 227: ...alled Error Message Wrong PIN entered X tries left Explanation The SIM card could not validate the PIN you have entered You must have entered the wrong PIN Recommended Action Make sure that you enter the correct PIN If your PIN contains letters enter them in the correct case as the PIN is case sensitive Check that the Caps Lock key has not been pressed inadvertently Also make sure that you have in...

Страница 228: ...10 34 Cisco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Chapter 10 Troubleshooting Error Messages ...

Страница 229: ...A Technical Specifications This appendix provides technical specifications for the Cisco Aironet 340 350 and CB20A 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 7 ...

Страница 230: ...cm L x 5 4 cm W x 0 5 cm H PCI card 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 ...

Страница 231: ...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...

Страница 232: ...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...

Страница 233: ...3 8 m 11 Mbps Indoor 350 ft 106 7 m 1 Mbps 250 ft 76 2 m 2 Mbps 200 ft 61 m 5 5 Mbps 150 ft 45 7 m 11 Mbps 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 t...

Страница 234: ... 250 mA PCI card Typically 350 mA Mini PCI card Typically 330 mA PC Cardbus card Typically 580 mA Transmit current steady state 340 series PC card and LM card Typically 350 mA 15 dBm 340 series PCI card Typically 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...

Страница 235: ...ceptibility FCC Part 15 107 15 109 Class B ICES 003 Class B Canada EN 55022 B AS NZS 3548 Class B VCCI Class 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...

Страница 236: ...A 8 Cisco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Appendix A Technical Specifications ...

Страница 237: ... 1394 07 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 ...

Страница 238: ... si l équipement 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...

Страница 239: ...m de 20 cm 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 corp...

Страница 240: ...équences 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 li...

Страница 241: ...imite o tempo 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 pulg...

Страница 242: ...B 6 Cisco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Appendix B Translated Safety Warnings Warning for Laptop Users ...

Страница 243: ... 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 Aironet Wireless LAN Client Adapters...

Страница 244: ...operation 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 ...

Страница 245: ...rference 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 c...

Страница 246: ...grundlegenden 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...

Страница 247: ...rk is required 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 le...

Страница 248: ...mark is affixed 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 guid...

Страница 249: ...uipment 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 the number below and ask for recommendations on avoiding radio interference such as setting partitions 3 If this equipment causes RF in...

Страница 250: ...peration of the low power radio frequency devices is subject to the condition that no harmful interference is caused to aviation safety and authorized radio station and if interference is caused the user must stop operating the device immediately and can t re operate it until the harmful interference is clear The authorized radio station means a radio communication service operating in accordance ...

Страница 251: ... X D Channels 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 ...

Страница 252: ... MHz wide channel are shown in Table 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 in MHz Regulatory Domains Americas A Japan J Singapore S Taiwan T 34 5170 X 36 5180 X X 38 5190 X 40 5200 X X 42 5210 X 44 5220 X X ...

Страница 253: ...as regulatory domain however channels 1 through 8 are for indoor use only while channels 9 through 11 can be used indoors and outdoors Users are responsible for ensuring that the channel set configuration is in compliance with the regulatory standards of Mexico Table D 2 Channels for IEEE 802 11b Channel Identifier Frequency in MHz Regulatory Domains Americas A EMEA E Israel I Japan J 1 2412 X X X...

Страница 254: ...of power 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 ma...

Страница 255: ...evels and Antenna Gains EMEA E 100 mW EIRP maximum 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 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 dBi Maximum Power Level mW ...

Страница 256: ...sco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Appendix D Channels Power Levels and Antenna Gains Maximum Power Levels and Antenna Gains ...

Страница 257: ...lient Adapter through the Windows XP Operating System 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 Associating to an Access Point Using Windows XP page E 18 Viewing the Current Status of Your Client Adapter page E 19 ...

Страница 258: ...th Dynamic WEP Keys 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 ...

Страница 259: ...rsion 3 1 or greater and Cisco Access Registrar version 3 5 or greater Note To use PEAP authentication you must install the PEAP security module during installation or Windows XP Service Pack 1 This Service Pack includes Microsoft s PEAP supplicant which supports a Windows username and password only and does not interoperate with Cisco s PEAP supplicant To use Cisco s PEAP supplicant install ACU a...

Страница 260: ...ast packets if the access point is set up to do so that travel between them Note Refer to the IEEE 802 11 Standard for 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 Wi Fi Protected Access WPA Wi Fi Protected Access WPA is a standards based ...

Страница 261: ...ation to Configure My Wireless Settings option is selected on the Select Profile screen Note These instructions assume you are using the following Windows XP Service Pack 1 and Microsoft support patch 815485 Windows XP s classic view rather than its category view If you do not use Service Pack 1 and the 815485 support patch the screens you see will look different than those shown in this section R...

Страница 262: ...work settings check box is checked Step 7 Select the SSID of the access point to which you want the client adapter to associate from the list of available networks and click Configure If the SSID of the access point you want to use is not listed or you are planning to operate the client adapter in an ad hoc network a computer to computer network without access points click Add Note The Allow Broad...

Страница 263: ...t adapter to associate in the Network name SSID field Step 9 Check the This is a computer to computer ad hoc mode network wireless access points are not used check box at the bottom of the screen if you are planning to operate the client adapter in an ad hoc network Step 10 Select one of the following options from the Network Authentication drop down list Open Enables your client adapter regardles...

Страница 264: ...is recommended for use with open authentication TKIP Enables Temporal Key Integrity Protocol TKIP for your client adapter This option is recommended for use with WPA and WPA PSK Step 12 Follow the steps below to enter a static WEP key if you are planning to use static WEP Note If you are planning to use EAP TLS PEAP or EAP SIM authentication which uses dynamic WEP go to Step 13 a Make sure the The...

Страница 265: ...nd Confirm network key fields Follow the guidelines below to enter a pre shared key Pre shared keys must contain 8 to 63 ASCII text characters or 64 hexadecimal characters Note You must enter hexadecimal characters for 5 GHz client adapters if these adapters will be used with Cisco Aironet 1200 Series Access Points Your client adapter s pre shared key must match the pre shared key used by the acce...

Страница 266: ...cation provided you have completed the initial configuration Step 1 Click the Authentication tab on the Wireless Network Properties screen The following screen appears see Figure E 3 Figure E 3 Wireless Network Properties Screen Authentication Tab Step 2 Check the Enable IEEE 802 1x authentication for this network check box if you did not enable WPA or WPA PSK on the Association screen Step 3 For ...

Страница 267: ...commended check box Step 7 Check the Validate server certificate check box if server certificate validation is required Step 8 If you want to specify the name of the server to connect to check the Connect to these servers check box and enter the server name in the field below Note If you enter a server name and the client adapter connects to a server that does not match the name you entered you ar...

Страница 268: ... Note You should not be prompted to accept a certificate for future authentication attempts After you accept one the same certificate is used subsequently Step 12 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 13 If a message appears indicating ...

Страница 269: ...adapter to use PEAP authentication provided you have completed the initial configuration Step 1 Click the Authentication tab on the Wireless Network Properties screen The following screen appears see Figure E 5 Figure E 5 Wireless Network Properties Screen Authentication Tab Step 2 Check the Enable IEEE 802 1x authentication for this network check box if you did not enable WPA or WPA PSK on the As...

Страница 270: ...ess Note If you leave this field blank the server name is not verified and a connection is established as long as the certificate is valid Step 6 Make sure that the name of the certificate authority from which the server certificate was downloaded appears in the Trusted root certificate authority CA field If necessary click the arrow on the drop down menu and select the appropriate name Note If yo...

Страница 271: ...st use your hardware 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 check this check box you must also select from the Supported Type drop down box the software t...

Страница 272: ... SIM authentication provided you have completed the initial configuration Step 1 Click the Authentication tab on the Wireless Network Properties screen The following screen appears see Figure E 8 Figure E 8 Wireless Network Properties Screen Authentication Tab Step 2 Check the Enable IEEE 802 1x authentication for this network check box if you did not enable WPA or WPA PSK on the Association scree...

Страница 273: ...ery 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 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 a...

Страница 274: ...m tray informing you 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 cl...

Страница 275: ...ugh the Windows XP Operating System 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 10 Figure E 10 Wireless Network Connection Status Screen ...

Страница 276: ...nd CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Appendix E Configuring the Client Adapter through the Windows XP Operating System Viewing the Current Status of Your Client Adapter ...

Страница 277: ...I X F Performing 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 ...

Страница 278: ...o activate 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 act...

Страница 279: ...ollow the steps below to specify how signal strength units are displayed on the site survey screens Step 1 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 Displa...

Страница 280: ...tallation and Configuration Guide for Windows OL 1394 07 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 ...

Страница 281: ... This setting appears only for 2 4 GHz client adapters and 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 Th...

Страница 282: ... 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 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 S...

Страница 283: ...w to activate the site survey active mode and 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 Channel Frequency The frequency that your client adapter i...

Страница 284: ...et Device Checking this check box indicates that the device you named in the Destination 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 A...

Страница 285: ...t Value 1 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...

Страница 286: ...nstallation and Configuration Guide for Windows OL 1394 07 Appendix F Performing 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 ...

Страница 287: ...ange 0 to 100 Note This setting appears only for 2 4 GHz client adapters and 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 backgroun...

Страница 288: ... 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 information Associated Access Point The access point to which your client adapter is associated It is shown only if the client adapter is i...

Страница 289: ...lient adapter 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...

Страница 290: ... 14 Cisco Aironet 340 350 and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows OL 1394 07 Appendix F Performing a Site Survey Forcing the Client Adapter to Reassociate ...

Страница 291: ...our 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...

Страница 292: ...ommunicate wirelessly with other devices on a local area network CSMA Carrier sense multiple access A wireless LAN media access method specified by the IEEE 802 11 specification cyclic redundancy check CRC A method of checking for errors in a received packet D data rates The range of data transmission rates supported by a device Data rates are measured in megabits per second Mbps dBi A ratio of de...

Страница 293: ...are that is programmed on a memory chip and kept in a computer s semi permanent memory fragmentation threshold The size at which packets are fragmented and transmitted a piece at a time instead of all at once The setting must be within the range of 64 to 2312 bytes full duplex A means of communication whereby each node receives and transmits simultaneously two way See also half duplex G gateway A ...

Страница 294: ...n in the operating system With LEAP a username and password are used by the client adapter to perform mutual authentication with the RADIUS server through an access point M MAC address The Media Access Control MAC address is a unique serial number assigned to a networking device by the manufacturer MIC Message integrity check MIC prevents bit flip attacks on encrypted packets During a bit flip att...

Страница 295: ... move through a facility while maintaining an unbroken connection to the LAN RP TNC A connector type unique to Cisco Aironet radios and antennas Part 15 203 of the FCC rules covering spread spectrum devices limits the types of antennas that may be used with transmission equipment In compliance with this rule Cisco Aironet like all other wireless LAN providers equips its radios and antennas with a ...

Страница 296: ...I 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 WDS Wireless domain services WDS An access point providing WDS on your wireless LAN maintains a cache of credentials for CCKM capable client devices on your wireless LAN When a CCKM capable client roams from ...

Страница 297: ...21 in site survey active mode F 12 in site survey passive mode F 6 problems associating to 10 11 authenticating to 10 11 role in wireless network 1 8 security settings 5 29 to 5 32 Access Point Authentication parameter 5 34 access points reporting those that fail LEAP authentication 5 27 5 32 Ack packets number received 7 16 number transmitted 7 15 ACM See Aironet Client Monitor ACM ACU See Airone...

Страница 298: ...2 screens buttons described 1 8 selecting among several installed client adapters 3 24 Aironet Client Utility parameter Install Wizard 3 6 3 16 Aironet Client Utility Preferences screen 4 10 7 3 9 11 Aironet Client Utility screen 1 6 to 1 7 Allow Association to both WPA and non WPA authenticators parameter 5 38 Allow Association to Mixed Cells parameter 5 22 Allow Fast Roaming CCKM parameter 5 38 ...

Страница 299: ...ber transmitted 7 15 broadcast SSIDs 5 4 E 6 bytes number received 7 13 number transmitted 7 15 C CAM See Constantly Awake Mode CAM Canadian compliance statement C 3 to C 4 Cancel button function 1 8 Card and Socket Services 2 4 carrier correlation Car Cor 5 12 caution defined xiii CCKM See Fast roaming CCKM Certificate Properties screen Windows 98 98 SE NT and Me 5 45 Change Password screen 6 19 ...

Страница 300: ...ption type status of 7 7 data rate for which client adapter is configured 7 9 mismatches 7 14 specifications A 4 when performing a site survey F 2 Data Rate parameter in RF network 5 8 in site survey active mode F 9 Data Retries parameter in RF network 5 13 in site survey active mode F 8 dBm signal strength units in site survey F 3 signal strength units on Status and Linktest screens 7 4 declarati...

Страница 301: ...nt 5 31 EAP SIM parameter Install Wizard 3 9 3 19 EAP TLS authentication authenticating after a reboot logon 6 16 authenticating after profile selection card insertion 6 15 described 5 24 to 5 26 E 3 E 4 disabling 5 51 enabling in Windows XP E 10 to E 12 through ACU 5 39 to 5 47 RADIUS servers supported 5 24 E 3 setting on client and access point 5 29 5 30 EIRP maximum 1 4 D 4 to D 5 Enable Radio ...

Страница 302: ... to 10 19 Installation Path parameter for ACM Install Wizard 3 7 3 17 for ACU Install Wizard 3 6 3 16 installing client adapter software on Windows 98 98 SE 2000 Me or XP 3 2 to 3 11 on Windows NT 3 12 to 3 22 Install Wizard file described 1 5 finding version 9 5 installing 3 2 to 3 22 name 3 2 interference 2 6 interrupt request IRQ 10 8 introduction to client adapters 1 2 to 1 3 IP address of acc...

Страница 303: ...to 10 3 using to verify installation 3 22 link quality in link test 7 22 in site survey active mode F 12 in site survey passive mode F 6 overall 7 11 8 4 8 10 link speed currently being used 7 9 8 4 8 11 in link test 7 21 in site survey active mode F 12 in site survey passive mode F 6 Link Status Meter ACU menu option 7 16 icon 7 16 screen 7 17 viewing 7 16 to 7 18 Linktest ACU menu option 7 18 sc...

Страница 304: ...Network Authentication parameter 5 32 5 35 5 51 network login screen 6 8 Network Security screen 5 21 Network Type parameter 5 6 noise level current 7 11 in link test 7 22 in site survey active mode F 11 in site survey passive mode F 5 No Network Connection Unless User Is Logged In parameter 5 37 note defined xiii Number of Packets parameter in link test 7 19 in site survey active mode F 8 O OK bu...

Страница 305: ...servers supported 5 24 E 3 setting on client and access point 5 30 PEAP parameter Install Wizard 3 10 3 19 PEAP Properties screen Windows 5 48 E 14 peer to peer network 1 9 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 physical spe...

Страница 306: ...s received 7 13 RADIUS servers additional information 5 26 E 4 defined 5 23 E 2 supported 5 23 to 5 25 E 3 E 4 range 5 8 5 11 Reauthenticate ACM menu option 8 8 ACU menu option 6 22 reauthentication process 6 22 receive statistics 7 13 to 7 15 regulatory domains 5 10 7 8 IEEE 802 11a D 2 IEEE 802 11b D 3 information C 2 to C 8 specifications A 7 related publications xv removing client adapter 9 4 ...

Страница 307: ...tion 5 34 short radio headers status of 7 6 using 5 9 Show History parameter 7 4 signal quality current 7 11 in link test 7 21 in site survey active mode F 11 in site survey passive mode F 5 on Link Status Meter screen 7 17 signal strength as a percentage 7 4 F 3 current 7 10 in dBm 7 4 F 3 in link test 7 21 in site survey active mode F 11 in site survey passive mode F 5 on Link Status Meter scree...

Страница 308: ... 3 8 11 mismatches 7 14 SSID1 parameter 5 4 SSID2 parameter 5 4 SSID3 parameter 5 4 Start After Install parameter for ACM Install Wizard 3 7 3 17 Start button function 1 8 in RF link test 7 20 in site survey F 9 Static Password screen 6 17 static WEP disabling 5 35 procedures 5 32 to 5 35 with open authentication setting on client and access point 5 29 with shared key authentication setting on cli...

Страница 309: ...U menu option 10 4 troubleshooting information accessing 10 2 troubleshooting utility accessing help 10 7 activating from ACM 8 6 saving detailed report to text file 10 6 to 10 7 using 10 4 to 10 7 Turn Radio Off ACM menu option 8 8 ACU menu option 9 16 Turn Radio On ACM menu option 8 8 ACU menu option 9 16 U unicast packets encryption type used 7 7 in site survey active mode F 9 number received 7...

Страница 310: ...fast user switching 3 9 making a configuration decision 3 22 to 3 23 security features E 2 to E 4 viewing status of client adapter E 19 wireless infrastructure 1 10 Wireless Network Connection Properties screen Authentication Tab Windows 5 44 Wireless Network Connection Properties screen Wireless Networks Tab Windows 5 42 E 6 Wireless Network Connection Status screen Windows XP E 19 Wireless Netwo...

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