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

OL-1375-03

Chapter 9 Troubleshooting

Getting Help

To access online help for ACU, follow the instructions below for your specific Windows CE device.

PPC Devices

To access help related to ACU on a PPC device, open ACU and select Start > Help. Select the topic for
which you want information.

HPC and Windows CE .NET Devices

To access help related to ACU on an HPC or Windows CE .NET device, open ACU and tap the ? button
on the top of the screen. Select the topic for which you want information.

Summary of Contents for AIR-LMC341

Page 1: ...e San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 526 4100 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE 340 and 350 Series Customer Order Number Text Part Number OL 1375 03 ...

Page 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 breake...

Page 3: ...entation xiv Documentation Feedback xiv Obtaining Technical Assistance xiv Cisco com xv Technical Assistance Center xv Cisco TAC Website xv Cisco TAC Escalation Center xvi Obtaining Additional Publications and Information xvi Product Overview 1 1 Introduction to the Client Adapters 1 2 Terminology 1 2 Hardware Components 1 3 Radio 1 3 Radio Antenna 1 3 LEDs 1 3 Software Components 1 4 Radio Firmwa...

Page 4: ...rements 2 5 For Infrastructure Devices 2 5 For Client Devices 2 5 Installing the Client Adapter 3 1 Finding the Windows CE Version 3 2 Installing the Driver and Client Utilities 3 2 Verifying Installation 3 5 Deciding How to Configure Your Client Adapter Windows CE NET Only 3 6 Using the Profile Manager 4 1 Overview of Profile Manager 4 2 Opening Profile Manager 4 2 Creating a New Profile 4 3 Sele...

Page 5: ... Based EAP 5 17 Obtaining CA and User Certificates 5 18 Obtaining a CA Certificate 5 18 Obtaining a User Certificate 5 19 Enabling Host Based EAP 5 20 Enabling EAP TLS 5 21 Enabling PEAP 5 22 Disabling Host Based EAP 5 23 Using EAP Authentication 6 1 Overview 6 2 Using LEAP 6 2 With a Temporary Username and Password 6 2 With a Saved Username and Password 6 4 Using EAP TLS 6 4 Using PEAP 6 6 After ...

Page 6: ...Exiting a Client Utility 8 8 Finding the Version of a Client Utility 8 9 Deleting Client Utility Icons on HPC and Windows CE NET Devices 8 10 CA and User Certificate Procedures Host Based EAP Only 8 11 Viewing CA and User Certificates 8 11 Removing CA and User Certificates 8 12 Restarting the Client Adapter 8 12 Troubleshooting 9 1 Accessing the Latest Troubleshooting Information 9 2 Interpreting ...

Page 7: ... Regard to the R TTE Directive 1999 5 EC C 4 Declaration of Conformity for RF Exposure C 5 Guidelines for Operating Cisco Aironet Wireless LAN Client Adapters in Japan C 6 Japanese Translation C 6 English Translation C 6 Channels Power Levels and Antenna Gains D 1 Channels D 2 Maximum Power Levels and Antenna Gains D 3 Configuring the Client Adapter through Windows CE NET E 1 Overview E 2 Configur...

Page 8: ...Contents viii Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 G L O S S A R Y I N D E X ...

Page 9: ...ation Guide for Windows CE 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 x Purpose page x Organization page x Conventions page xi Related Publications page xiii Obtaining Documentation page xiii Obtaining Technical Assistance page xiv Obtaining Additional Publicatio...

Page 10: ...e installing a client adapter such as safety information and system requirements Chapter 3 Installing the Client Adapter provides instructions for installing the driver and client utilities Chapter 4 Using the Profile Manager explains how to use the ACU profile manager feature to create and manage profiles for your client adapter Chapter 5 Configuring the Client Adapter explains how to change the ...

Page 11: ...ething that could result in equipment damage or loss of data Warning This warning symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents To see translations of the warnings that appear in this publication refer to the append...

Page 12: ...e delle avvertenze di sicurezza Advarsel Dette varselsymbolet betyr fare Du befinner deg i en situasjon som kan føre til personskade Før du utfører arbeid på utstyr må du være oppmerksom på de faremomentene som elektriske kretser innebærer samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker Hvis du vil se oversettelser av de advarslene som finnes i denne publikasjonen kan du se...

Page 13: ...n Guide Cisco Aironet 1200 Series Access Point Software Configuration Guide Release Notes for 1200 Series Access Points Obtaining Documentation Cisco provides several ways to obtain documentation technical assistance and other technical resources These sections explain how to obtain technical information from Cisco Systems Cisco com You can access the most current Cisco documentation on the World ...

Page 14: ...rporate Headquarters California U S A at 408 526 7208 or elsewhere in North America by calling 800 553 NETS 6387 Documentation Feedback You can submit comments electronically on Cisco com On the Cisco Documentation home page click Feedback at the top of the page You can e mail your comments to bug doc cisco com You can submit your comments by mail by using the response card behind the front cover ...

Page 15: ...service contracts when applicable We categorize Cisco TAC inquiries according to urgency Priority level 4 P4 You need information or assistance concerning Cisco product capabilities product installation or basic product configuration Priority level 3 P3 Your network performance is degraded Network functionality is noticeably impaired but most business operations continue Priority level 2 P2 Your p...

Page 16: ...ted sources The Cisco Product Catalog describes the networking products offered by Cisco Systems as well as ordering and customer support services Access the Cisco Product Catalog at this URL http www cisco com en US products products_catalog_links_launch html Cisco Press publishes a wide range of networking publications Cisco suggests these titles for new and experienced users Internetworking Ter...

Page 17: ...his chapter describes the Cisco Aironet 340 and 350 Series 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 4 Network Configurations Using the Client Adapter page 1 6 ...

Page 18: ...eries 340 or 350 The second x indicates the wired equivalent privacy WEP level of the card where 0 no WEP capability 1 40 bit WEP and 2 128 bit WEP However if the second x is a 0 but the model number contains K9 the card is 128 bit WEP capable Terminology The following terms are used throughout this document client adapter Refers to both PC cards and LM cards PC card or LM card Refers to a specifi...

Page 19: ...al on other frequencies that the client adapter usually will still be successful in its transmission Radio Antenna The type of antenna used depends on your client adapter PC cards have an integrated permanently attached diversity antenna The benefit of the diversity antenna system is improved coverage The system works by allowing the card to switch and sample between its two antenna ports in order...

Page 20: ... utilities are available for use with Cisco Aironet client adapters Aironet Client Utility ACU and Wireless Login Module WLM These utilities are optional applications that interact with the radio firmware to adjust client adapter settings and display information about the adapter The client utilities and online help files are installed with the driver ACU enables you to create configuration profil...

Page 21: ...o load new firmware for your client adapter Chapter 8 provides instructions for upgrading firmware Status Enables you to view the current status of your client adapter Chapter 7 provides additional information on viewing the status Statistics Enables you to view transmit receive and MIC statistics for your client adapter Chapter 7 provides additional information on viewing statistics Survey Enable...

Page 22: ... 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 hardware installation guide for your access point Note Refer to Chapt...

Page 23: ...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 ...

Page 24: ...h portable or mobile stations because it allows them to be directly connected to the wired network even while moving from one microcell domain to another This process is transparent and the connection to the file server or host is maintained without disruption The mobile station stays connected to an access point as long as it can However once the transfer of data packets needs to be retried or be...

Page 25: ...ows CE OL 1375 03 2 Preparing for Installation This chapter provides information that you need to know before installing a client adapter The following topics are covered in this chapter Safety Information page 2 2 Unpacking the Client Adapter page 2 3 System Requirements page 2 4 Site Requirements page 2 5 ...

Page 26: ...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 mount an...

Page 27: ... more than 2 inches 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 ...

Page 28: ...02 device if your wireless network uses EAP TLS or PEAP authentication Certificate Authority CA and user certificates for EAP TLS authentication or CA certificate for PEAP authentication If your wireless network uses PEAP authentication with a One Time Password OTP user database The hardware token from an OTP vendor Your hardware token password The following information from your system administra...

Page 29: ...nd network performance Appendix F which is provided for people who are responsible for conducting a site survey explains how ACU s site survey tool can be used to determine the best placement for infrastructure devices within a wireless network Note Infrastructure devices are installed and initially configured prior to client devices For Client Devices Because the client adapter is a radio device ...

Page 30: ...2 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Chapter 2 Preparing for Installation Site Requirements ...

Page 31: ...dapter This chapter provides instructions for installing the client adapter driver and client utilities The following topics are covered in this chapter Finding the Windows CE Version page 3 2 Installing the Driver and Client Utilities page 3 2 Verifying Installation page 3 5 Deciding How to Configure Your Client Adapter Windows CE NET Only page 3 6 ...

Page 32: ...A LMC v230 exe file is a self extracting zip file that extracts all of the files necessary to install the driver and client utilities version 2 30 The main installation utility extracted from this file is ceInstall exe Follow the steps below to install the driver and client utilities for your client adapter Note This procedure is meant to be used the first time the driver and client utilities are ...

Page 33: ...elect Option 2 Aironet Wireless Software Display Tables Note You can download software from the Software Selector tool instead of the display tables To do so select Option 1 Aironet Wireless Software Selector follow the instructions on the screen and go to Step 9 Step 5 Select Cisco Aironet Wireless LAN Client Adapters Step 6 Find the section for Windows CE client adapter drivers and utilities Ste...

Page 34: ...tions dialog box appears asking if you want to install the client adapter using the default application installation directory click Yes The default directory is Windows Start Menu Programs Cisco on PPC devices and Windows Programs Cisco on HPC and Windows CE NET devices A message and a progress bar appear indicating that the client adapter and 802 1X backport if you are using a PPC 2002 device is...

Page 35: ... the IP address subnet mask and default gateway address you want to assign to your device They can be obtained from your system administrator b Select the Name Servers tab and enter the primary and secondary DNS and WINS you want to assign to your device They can be obtained from your system administrator c Tap OK Step 25 The driver and client utility installation is complete Go to the Verifying I...

Page 36: ...nections the Cisco Wireless LAN Client Adapter icon the Wireless Networks tab b Uncheck the Use Windows to configure my wireless network settings check box c Follow the instructions in Chapter 4 and Chapter 5 to configure your client adapter through ACU If you are planning to configure your client adapter through Windows CE NET instead of through ACU go to Appendix E and follow the instructions th...

Page 37: ...e Manager This chapter explains how to use ACU s profile manager feature to create and manage profiles for your client adapter The following topics are covered in this chapter Overview of Profile Manager page 4 2 Opening Profile Manager page 4 2 Creating a New Profile page 4 3 Selecting the Active Profile page 4 3 Modifying a Profile page 4 4 ...

Page 38: ...es are created you can easily switch between them without having to reconfigure your client adapter each time you enter a new location Profiles are stored in the registry of the Windows CE device They are lost only if the Windows CE device is defaulted hard reset or if both the primary and backup batteries run out of power Opening Profile Manager To open ACU s profile manager double tap the ACU ic...

Page 39: ...t the previous steps Selecting the Active Profile Follow the steps below to specify the profile that the client adapter is to use Note Because EAP TLS and PEAP authentication are not enabled 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 ...

Page 40: ...es screen see Figure 4 1 Step 2 From the Manage Profiles box select the profile that you want to edit and tap the Edit button or double tap the profile The Properties screen appears with the name of the profile in quotation marks Step 3 Follow the instructions in Chapter 5 to change any of the configuration parameters for this profile Renaming a Profile Step 1 Go to the Profiles screen see Figure ...

Page 41: ... Profile Manager Modifying a Profile Deleting a Profile Step 1 Go to the Profiles screen see Figure 4 1 Step 2 From the Manage Profiles box select the profile that you want to delete Note You cannot delete the active profile Step 3 Tap the Delete button Step 4 When prompted to confirm your decision tap Yes The profile is deleted ...

Page 42: ...4 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Chapter 4 Using the Profile Manager Modifying a Profile ...

Page 43: ... Configuring the Client Adapter This chapter explains how to change the configuration parameters for a specific profile The following topics are covered in this chapter Configuring Your Client Adapter page 5 2 Overview of Security Features page 5 9 Using Static WEP page 5 14 Using LEAP page 5 16 Using Host Based EAP page 5 17 ...

Page 44: ...rs the default values are used Step 1 When you create or select a profile on the Profiles screen and tap the Edit button the Properties screen appears see Figure 5 1 Figure 5 1 Properties Screen The Property box lists the configuration parameters that can be changed and the Value box contains the highlighted parameter s current value The Value box can appear as a drop down menu with several possib...

Page 45: ... the value of this parameter must match the SSID of the access point Otherwise the client adapter cannot access the network Client Name A logical name for your Windows CE device It allows an administrator to determine which devices are connected to the access point without having to memorize every MAC address This name is included in the access point s list of connected devices Range You can enter...

Page 46: ...itches between PSP mode and CAM mode depending on network traffic This mode switches to CAM when retrieving a large number of packets and switches back to PSP after the packets have been retrieved Is recommended when power consumption is a concern but you need greater throughput than that allowed by Max PSP Max PSP Max Power Savings Causes the access point to buffer incoming messages for the clien...

Page 47: ...he access point attempts to decrypt the encrypted packet and sends an authentication response packet indicating the success or failure of the decryption back to the client adapter Note Cisco recommends that shared key authentication not be used because it presents a security risk Mixed Mode Indicates whether the client adapter can associate to an access point that allows both WEP and non WEP assoc...

Page 48: ...lient adapter should transmit or receive packets to or from access points in infrastructure mode or other clients in ad hoc mode Auto is recommended for infrastructure mode setting a specific data rate is recommended for ad hoc mode Options Auto 1 Mb Only 2 Mb Only 5 5 Mb Only or 11 Mb Only Default Auto Data Rate Description Auto Uses the 11 Mbps data rate when possible but drops to lower rates wh...

Page 49: ...s PC cards Max 30 mW 15 mW 5 mW or 1 mW 340 series LM cards Note Reducing the transmit power level conserves battery power but decreases radio range Note If the client adapter is running ACU queries the adapter and displays the settings programmed into the adapter If the client adapter is not running ACU displays power level options based on the last known radio type Note When World Mode is enable...

Page 50: ... Security Type to LEAP Dynamic WEP Keys is set automatically If you set the Network Security Type to Host Based EAP you must set the WEP parameter to Dynamic WEP Keys Note Go to Step 3 for instructions on setting dynamic WEP keys Network Security Type Specifies the type of 802 1X authentication that your client adapter will use Options None LEAP or Host Based EAP Default None Network Security Type...

Page 51: ... 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 Note Refer to the Additional WEP Key Security Features section on page 5 11 for information on three security features that can make your WEP keys even more secure User Name If you are pl...

Page 52: ...twork Two 802 1X authentication types can be selected in ACU for use with Windows CE devices EAP Cisco Wireless or LEAP Support for LEAP is provided not in the Windows CE operating system but in your client adapter s firmware and the Cisco software that supports it RADIUS servers that support LEAP include Cisco Secure ACS version 2 6 and greater Cisco Access Registrar version 1 7 and greater and F...

Page 53: ... the length of a session or time period the access point and the client use this key to encrypt or decrypt all unicast packets and broadcast packets if the access point is set up to do so that travel between them Refer to the Using LEAP section on page 5 16 for instructions on enabling LEAP or to the Using Host Based EAP section on page 5 17 for instructions on enabling EAP TLS or PEAP Note Refer ...

Page 54: ... vector IV in encrypted packets to calculate the WEP key TKIP removes the predictability that an intruder relies on to determine the WEP key by exploiting IVs It protects both unicast and broadcast WEP keys Note If you enable TKIP on the access point your client adapter s firmware must support TKIP otherwise the client cannot associate Broadcast Key Rotation EAP authentication provides dynamic uni...

Page 55: ...Set up and enable WEP and enable Open Authentication Static WEP with shared key authentication Create a WEP key and enable Static WEP Keys and Shared Key Authentication Set up and enable WEP and enable Shared Key Authentication LEAP authentication Enable LEAP Set up and enable WEP and enable Network EAP EAP TLS authentication Enable Host Based EAP and Dynamic WEP Keys in ACU and select TLS as the ...

Page 56: ...Security Type under Property and None from the list of options in the Value box Step 2 Select WEP under Property and Static WEP Keys from the list of options in the Value box Step 3 Tap the WEP Keys button The WEP Keys screen appears see Figure 5 3 Figure 5 3 WEP Keys Screen This screen allows you to create up to four static WEP keys Step 4 For the static WEP key that you are entering 1 2 3 or 4 s...

Page 57: ...st be in the same order on all devices Note After you enter a WEP key you can write over it but you cannot edit or delete it Step 6 Tap the Transmit Key button to the left of the key you want to use to transmit packets Only one WEP key can be selected as the transmit key Step 7 Tap OK to write your WEP key s to the client adapter s volatile memory and the registry of the Windows CE device or tap C...

Page 58: ... the Edit button Step 3 Select WEP under Property and No WEP from the list of options in the Value box Step 4 Tap OK to save your changes Using LEAP Before you can enable LEAP authentication your network devices must meet the following requirements Client adapters must support WEP and firmware version 5 02 19 or greater is recommended Access points to which your client adapter will attempt to auth...

Page 59: ... the steps below if you ever need to disable LEAP for a particular profile Step 1 Double tap the ACU icon or select Start Programs Cisco ACU The Profiles screen appears Step 2 Select the profile that you want to change from the Manage Profiles box and tap the Edit button Step 3 Select Network Security Type under Property and None from the list of options in the Value box Step 4 Tap OK to save your...

Page 60: ...CA certificate for EAP TLS or PEAP and a user certificate for EAP TLS follow the steps below Step 1 Obtain the certificate file s cer or crt from your system administrator Step 2 Establish an ActiveSync connection between your laptop or PC and your Windows CE device Step 3 Open Windows Explorer on your laptop or PC Step 4 Copy the certificate file s and paste them into a folder under My Computer M...

Page 61: ...icate Manager Obtaining a User Certificate If you are planning to use EAP TLS authentication on a PPC 2002 device follow the steps below to import the user certificate Note As an alternative to the procedure below you can use the Certificate Manager to import a user certificate To do so follow the steps in the Obtaining a CA Certificate section above but make sure My Certificates not Trusted Autho...

Page 62: ...steps below to enable host based EAP authentication EAP TLS or PEAP for this profile on a PPC 2002 device Note Because EAP TLS and PEAP authentication are not enabled 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 the Authentication Manag...

Page 63: ...bling PEAP section on page 5 22 Enabling EAP TLS Follow the steps below to enable EAP TLS for this profile Step 1 For EAP Type select TLS Step 2 If your Windows CE device has more than one user certificate tap the Properties button On the Select Certificate screen select the user certificate that you want to use and tap OK Step 3 The configuration is complete Tap the Connect button on the Authenti...

Page 64: ...he PEAP Properties screen appears see Figure 5 8 Figure 5 8 PEAP Properties Screen Step 3 Make sure that the Validate server certificate check box is checked if server certificate validation is required recommended Step 4 If you want to specify the name of the server to connect to check the Connect only if server name ends in check box and enter the appropriate server name suffix in the field belo...

Page 65: ...m establishing connections to rogue access points Step 7 Tap OK to save your settings The configuration is complete Step 8 Tap the Connect button on the Authentication screen to start the EAP authentication process Note Any time you make a change to the active profile in ACU or the Authentication Manager you must tap the Connect button on the Authentication screen to start the authentication proce...

Page 66: ...5 24 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Chapter 5 Configuring the Client Adapter Using Host Based EAP ...

Page 67: ...75 03 6 Using EAP Authentication This chapter explains the sequence of events that occurs and the actions you must take when a profile that is set for EAP authentication is selected for use The following topics are covered in this chapter Overview page 6 2 Using LEAP page 6 2 Using EAP TLS page 6 4 Using PEAP page 6 6 ...

Page 68: ...uthentication type Using LEAP see below Using EAP TLS page 6 4 Using PEAP page 6 6 Follow the instructions for your profile s authentication type to successfully authenticate Note If any error messages appear during authentication refer to Chapter 9 for explanations and recommended actions Using LEAP With a Temporary Username and Password After you select a profile that uses LEAP authentication wi...

Page 69: ...ns the characters entered for the password are displayed as asterisks Step 5 Tap OK If the username and password were entered correctly they are written to volatile memory on the client adapter The username and password remain on the client adapter until a different profile is selected the client adapter is ejected and reinserted or the Windows CE device is reset Note If you want to terminate the ...

Page 70: ...rt Programs Cisco Wireless Login Module and tap the Logout button on the Wireless Login Module screen Using EAP TLS After you select a profile that uses host based EAP authentication and configure the card for EAP TLS follow the steps below to EAP authenticate Note These instructions are applicable after profile selection card ejection and reinsertion or reset Step 1 If a message appears informing...

Page 71: ...Cisco Secure ACS server you must leave the Domain field blank and enter the fully qualified domain name in the User Name field as follows username fully qualified domain For example if your EAP TLS username is jsmith and the domain name is corporate on Cisco com you would enter jsmith corporate cisco com in the User Name field and leave the Domain field blank Step 6 Tap OK The client adapter shoul...

Page 72: ...ars informing you that you need to select a certificate or other credentials to access the network tap this message Step 2 If a message appears indicating the root certification authority for the server s certificate and it is the correct certification authority tap OK to accept the connection Otherwise tap Cancel Step 3 If a message appears indicating the server to which your client adapter is co...

Page 73: ...lect Start Programs Cisco AuthMgr The Status field at the bottom of the screen shows the authentication status If the authentication is successful the Status field displays Authenticated and the IP Address field displays the IP address of the client adapter After Your Password Expires Windows NT or 2000 Domain Databases Only If you are using a Windows NT or 2000 domain database with PEAP and the p...

Page 74: ...L 1375 03 Chapter 6 Using EAP Authentication Using PEAP 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 Tap OK The client adapter should authenticate using your new password ...

Page 75: ...forming Diagnostics This chapter explains 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 Signal Strength Display Units page 7 2 Viewing the Status of Your Client Adapter page 7 3 Viewing Statistics for Your Client Adapter page 7 5 ...

Page 76: ...ient adapter s transmission and reception of data Setting Signal Strength Display Units Follow the steps below to specify the units used to display signal strength on the ACU Status screen Step 1 Double tap the ACU icon or select Start Programs Cisco ACU The Profiles screen appears Step 2 Tap the Options button The ACU Options screen appears see Figure 7 1 Figure 7 1 ACU Options Screen Step 3 Sele...

Page 77: ... view the current status of your client adapter Step 1 From the Profiles screen tap the Status tab The Status screen appears Figure 7 2 shows the Status screen with the signal strength values displayed as percentages and Figure 7 3 shows the same screen with the signal strength values displayed in decibels with respect to milliwatts dBm Figure 7 2 Status Screen with Signal Strength as a Percentage...

Page 78: ... Quality The signal quality for all received packets The higher the value and the more green the bar graph is the clearer the signal The histogram below the bar graph provides a visual interpretation of the current signal quality Differences in signal quality are indicated by the following colors green highest quality yellow average and red lowest quality Range 0 to 100 Note This setting appears o...

Page 79: ... dB Note This setting appears only if you selected signal strength to be displayed in dBm See the Setting Signal Strength Display Units section on page 7 2 for information Driver Version The version of the client adapter driver that is installed on your Windows CE device Firmware Version The version of the firmware that is currently running on your client adapter Message Integrity Check Indicates ...

Page 80: ...received successfully Broadcast Packets The number of broadcast packets that were received successfully Unicast Packets The number of unicast packets that were received successfully Bytes Received The number of bytes of data that were received successfully Beacons Received The number of beacon packets that were received successfully PLCP CRC Errors The number of times the client adapter started to...

Page 81: ...RC Errors The number of packets that had a valid 802 11 PLCP header but contained a CRC error in the data portion of the packet Note CRC errors can be attributed to packet collisions caused by a dense population of client adapters overlapping access point coverage on a channel high multipath conditions from bounced signals or the presence of other 2 4 GHz signals from devices such as microwave ove...

Page 82: ...of multicast packets that were transmitted successfully Broadcast Packets The number of broadcast packets that were transmitted successfully Unicast Packets The number of unicast packets that were transmitted successfully Bytes Transmitted The number of bytes of data that were transmitted successfully Packets Retry Long The number of normal data packets that were retransmitted Packets Retry Short ...

Page 83: ...Table 7 4 MIC Statistics Statistic Description Packets MIC OK The number of packets that were received successfully with a valid MIC Packets No MIC The number of packets that were discarded due to no MIC being found Packets Incorrect MIC The number of packets that were discarded due to an incorrect MIC value Packets No MIC Seed The number of packets that were discarded due to no MIC seed being rec...

Page 84: ...7 10 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Chapter 7 Performing Diagnostics Viewing Statistics for Your Client Adapter ...

Page 85: ...chapter provides procedures for common tasks related to the client adapter The following topics are covered in this chapter Inserting and Removing a PC Card page 8 2 Upgrading the Client Adapter Software page 8 3 Client Utility Procedures page 8 8 CA and User Certificate Procedures Host Based EAP Only page 8 11 Restarting the Client Adapter page 8 12 ...

Page 86: ...xamine the PC card One end has a dual row 68 pin PC card connector The card is keyed so it can be inserted only one way into the PC card slot Caution Do not force the PC card into your computer s PC card slot Forcing it will damage both the card and the slot If the PC card does not insert easily remove the card and reinsert it Step 2 Insert the PC card into the PC card slot applying just enough pr...

Page 87: ...Cisco com Cisco recommends using the most current version of radio firmware Follow the instructions in this section to find the version of your client adapter s firmware and to upgrade it if a more recent version is available from Cisco com Note Firmware version 5 02 19 or greater is recommended for use with client adapter driver and utility version 2 30 Finding the Firmware Version Follow the ste...

Page 88: ...of a power failure during the firmware flashing process which could render your client adapter inoperable Cisco recommends that your Windows CE device 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 Follow the instructions b...

Page 89: ...e Agreement Step 10 Select the firmware file to download it Step 11 Save the file to a floppy disk or to the hard drive of your laptop or PC Step 12 Locate the file using Windows Explorer double click it and extract the image file img to a folder Step 13 In the ActiveSync window on the laptop or PC click the Explore button to view the files on the Windows CE device Step 14 Drag and drop the firmwa...

Page 90: ...ile img and select it so that it appears in the Name field at the bottom of the screen Step 20 Tap OK Note If the OK button is unavailable tap the Enter key on the Windows CE device s keyboard A progress bar displays as the new firmware is loaded If the selected image is loaded successfully into the client adapter s Flash memory a Firmware Upgrade Complete message appears Step 21 Tap OK to exit th...

Page 91: ...e Password field on the Wireless Login Module screen Step 3 To find the latest driver and client utility versions available on Cisco com follow the steps below a Use your computer s web browser to access the following URL http www cisco com public sw center sw wireless shtml b Select Option 2 Aironet Wireless Software Display Tables c Select Cisco Aironet Wireless LAN Client Adapters d Find the se...

Page 92: ...p 5 When asked to verify your decision to remove the adapter tap Yes Step 6 Tap OK The driver client utilities registry entries and Cisco directory are removed Step 7 Go to the Installing the Driver and Client Utilities section on page 3 2 for instructions on loading a new driver and client utilities Client Utility Procedures This section provides instructions for the following procedures Opening ...

Page 93: ...Utility Procedures Finding the Version of a Client Utility To find the version of ACU or WLM that your client adapter is currently using follow the steps below To find the version of ACU tap the About button on the Profiles screen The About screen appears see Figure 8 4 Figure 8 4 About Screen The About screen displays the current version of ACU ...

Page 94: ...s Login Module Screen The Wireless Login Module screen displays the current version of WLM below the Password field Deleting Client Utility Icons on HPC and Windows CE NET Devices Icons for ACU and WLM are automatically added to the desktop of HPC and Windows CE NET devices when you install the client utilities If you wish to remove these icons from your desktop hold down the Alt key and tap the i...

Page 95: ...icates Viewing CA and User Certificates Follow the steps below to view details about the CA and user certificates for your Windows CE device Step 1 Select Start Programs Cisco CertMgr The Certificate Manager screen appears see Figure 8 6 Figure 8 6 Certificate Manager Screen Step 2 Select Trusted Authorities if you want to view a CA certificate or My Certificates if you want to view a user certifi...

Page 96: ...estart the adapter for the following reasons If your client adapter is experiencing poor throughput you might want to restart the client adapter to try to force it to disassociate from the access point to which it is currently associated in the hope that it will reassociate to an access point with a stronger signal If you use LEAP and then disable it in ACU you might want to restart the client ada...

Page 97: ...nformation 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 9 2 Interpreting the Indicator LEDs page 9 2 Troubleshooting the Client Adapter page 9 3 Error Messages page 9 5 Getting Help page 9 11 ...

Page 98: ...messages during normal operation Table 9 2 interprets the LED error condition messages Table 9 1 LED Normal Operating Messages Green LED Amber LED Condition Blinking quickly Blinking quickly Power is on self test is OK and client adapter is scanning for a network Blinking slowly Blinking quickly Client adapter is associated to an access point Continuously on or blinking slowly Blinking quickly Cli...

Page 99: ...serted in your device s PC card slot Make sure that the access point is turned on and operating Ensure that all parameters are set properly for both the client adapter and the access point These include the SSID WEP activation EAP activation infrastructure mode etc If the client adapter still fails to establish contact refer to the Obtaining Technical Assistance section in the Preface for technica...

Page 100: ...tication information might be needed to connect to the network Prioritizing Network Connections Windows CE NET Only If you have a Windows CE NET device and more than one network adapter is enabled you can select which one is used by assigning a priority to your network connections Follow the steps below to prioritize your network connections Step 1 Select Start Settings Network and Dial up Connect...

Page 101: ... server name for your certificate server on the Certificate Enrollment screen and tap the Enroll button If the second attempt also fails try to import a new certificate Error Message The certificate server was not found Explanation A certificate server could not be found during certificate enrollment on a PPC 2002 device Recommended Action Re enter your username password and server name for your c...

Page 102: ...Recommended Action Enter a set of credentials username password and domain name with fewer characters Error Message Could NOT find all of the appropriate files for this installation Make sure that all of the files are installed to the same directory Explanation Some of the client adapter installation files could not be found Recommended Action Download the WinCE PCMCIA LMC v230 exe file again and ...

Page 103: ...Then enable LEAP in ACU WLM restarts automatically provided you are using a temporary LEAP username and password Error Message Must set a User Name Explanation A password was entered in the Wireless Login Module screen but a username was not entered The password is an optional entry but if a password is entered a username must also be entered Recommended Action Tap OK to acknowledge the message Th...

Page 104: ... attempt was made to import a certificate file that was already installed Recommended Action Tap OK and select a different certificate to import Error Message The old password you supplied doesn t match what you entered previously Please try it again Explanation The password entered in the Old Password field on the Change Password screen does not match the password that was used previously Recomme...

Page 105: ...WEP Key x must be 10 Hex digits Explanation An invalid number of characters or an incorrect character was entered for the WEP key indicated 40 bit keys must have 10 characters Recommended Action Tap OK to acknowledge the message then re enter the characters for the invalid key Error Message WEP Key x must be 26 Hex digits Explanation An invalid number of characters or an incorrect character was en...

Page 106: ... to this server although it may present a security risk tap Yes Otherwise tap No Error Message You must enter a server name Explanation The server name for your certificate server was not entered on the Certificate Enrollment screen Recommended Action Enter the server name for your certificate server Then tap the Enroll button Error Message You must enter a user name Explanation Your username for ...

Page 107: ...llow the instructions below for your specific Windows CE device PPC Devices To access help related to ACU on a PPC device open ACU and select Start Help Select the topic for which you want information HPC and Windows CE NET Devices To access help related to ACU on an HPC or Windows CE NET device open ACU and tap the button on the top of the screen Select the topic for which you want information ...

Page 108: ...9 12 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Chapter 9 Troubleshooting Getting Help ...

Page 109: ...cal Specifications This appendix provides technical specifications for the Cisco Aironet 340 and 350 Series 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 4 Safety and Regulatory Compliance Specifications page A 5 ...

Page 110: ...ons Size PC card 4 5 in L x 2 1 in W x 0 2 in H 11 3 cm L x 5 4 cm W x 0 5 cm H LM card 3 4 in L x 2 1 in W x 0 2 in H 8 6 cm L x 5 4 cm W x 0 5 cm H Weight 1 3 oz 0 037 kg Enclosure PC card Extended Type II PC card LM card Standard Type II PC card with RF connectors Connector 68 pin PCMCIA Status indicators Green and amber LEDs see Chapter 9 Operating temperature 350 series 22o F to 158o F 30o C ...

Page 111: ...Bm 340 series LM card 30 mW 15 dBm 15 mW 12 dBm 5 mW 7 dBm 1 mW 0 dBm Operating frequency 2 400 to 2 497 GHz depending on the regulatory domain in which the client adapter is used Usable channels 2412 to 2484 MHz in 5 MHz increments Interference rejection 35 dB adjacent channel rejection Data rates 1 2 5 5 and 11 Mbps Modulation Binary phase shift keying BPSK 1 Mbps Quaternary phase shift keying Q...

Page 112: ... ft 365 8 m 2 Mbps 800 ft 243 8 m 5 5 Mbps 400 ft 121 9 m 11 Mbps Indoor 300 ft 91 4 m 1 Mbps 225 ft 68 6 m 2 Mbps 150 ft 45 7 m 5 5 Mbps 100 ft 30 5 m 11 Mbps Note The above range numbers assume the use of a snap on antenna with the LM card Antenna PC card Integrated diversity antenna LM card Two MMCX antenna connectors Power Specifications Operational voltage 5 0 V 0 25 V Receive current steady ...

Page 113: ...95 IEC 60950 Second Ed including Amendments 1 4 with all deviations EN 60950 Second Ed including Amendments 1 4 EMI and susceptibility 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 Radio approvals FCC Part 15 247 Canada RSS 139 1 RSS 210 Japan Telec 33B EN 300 328 RF exposure OET 65C RSS 102 ANSI C95 1 Table A 1 Technical Specifications...

Page 114: ...A 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Appendix A Technical Specifications ...

Page 115: ...3 A P P E N D I X B Translated Safety Warnings This appendix provides translations of the safety warnings that appear in this publication The following topics are covered in this appendix Explosive Device Proximity Warning page B 2 Dipole Antenna Installation Warning page B 3 Warning for Laptop Users page B 4 ...

Page 116: ...uipement a été modifié à cet effet Warnung Benutzen Sie Ihr drahtloses Netzwerkgerät nicht in der Nähe ungeschützter Sprengkapseln oder anderer explosiver Stoffe es sei denn Ihr Gerät wurde eigens für diesen Gebrauch modifiziert und bestimmt Avvertenza Non utilizzare la periferica di rete senza fili in prossimità di un detonatore non protetto o di esplosivi a meno che la periferica non sia stata m...

Page 117: ... 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 corpo di og...

Page 118: ... radioélectriques définies par les normes ANSI C95 1 il est recommandé aux utilisateurs d ordinateurs portables dotés d adaptateurs client pour carte PC ou aux personnes se trouvant à proximité de se placer à plus de 5 cm de l antenne de l adaptateur lors de longues périodes de transmission ou de fonctionnement Si l utilisateur se trouve à moins de 5 cm de l antenne il est préférable de limiter le...

Page 119: ...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 pulgadas 5 c...

Page 120: ...B 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Appendix B Translated Safety Warnings Warning for Laptop Users ...

Page 121: ... the Cisco Aironet 340 and 350 Series Wireless LAN Client Adapters The following topics are covered in this appendix Manufacturer s Federal Communication Commission Declaration of Conformity Statement page C 2 Department of Communications Canada page C 3 European Community Switzerland Norway Iceland and Liechtenstein page C 4 Declaration of Conformity for RF Exposure page C 5 Guidelines for Operat...

Page 122: ... to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential environment This equipment generates uses and radiates radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference However there is no guarantee that interference will not occ...

Page 123: ...y not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation The device is certified to the requirements of RSS 139 1 and RSS 210 for 2 4 GHz spread spectrum devices The use of this device in a system operating either partially or completely outdoors may require the user to obtain a license for the system accordi...

Page 124: ...99 5 EF Español Este equipo cumple con los requisitos esenciales asi como con otras disposiciones de la Directive 1999 5 EC Έλληνας Αυτός ο εξοπλισµός συµµορφώνεται µε τις ουσιώδεις απαιτήσεις και τις λοιπές διατάξεις της Οδηγίας 1999 5 EΚ Français Cet appareil est conforme aux exigencies essentialles et aux autres dispositions pertinantes de la Directive 1999 5 EC Íslenska Þessi búnaður samrýmist...

Page 125: ...require a license for operation For more details contact your customer service representative Note Combinations of power levels and antennas resulting in a radiated power level above 100 mW equivalent isotropic radiated power EIRP are considered as not compliant with the above mentioned directive and are not allowed for use within the European community and other countries that have adopted the Eu...

Page 126: ...ncy bandwidth as industrial scientific and medical devices such as microwave ovens and mobile object identification RF ID systems licensed premises radio stations and unlicensed specified low power radio stations used in factory production lines 1 Before using this equipment make sure that no premises radio stations or specified low power radio stations of RF ID are used in the vicinity 2 If this ...

Page 127: ...I X D Channels Power Levels and Antenna Gains This appendix lists the 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 3 ...

Page 128: ...ver 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 1 Channels Channel Identifier Frequency in MHz Regulatory Domains Americas A ETSI E Israel I China C Japan J 1 2412 X X X X 2 2417 X X X X 3 2422 X X X X X...

Page 129: ...t isotropic radiated power EIRP above the amount allowed per regulatory domain Table D 2 indicates the maximum power levels and antenna gains allowed for each regulatory domain Table D 2 Maximum Power Levels Per Antenna Gain Regulatory Domain Antenna Gain dBi Maximum Power Level mW Americas A 4 W EIRP maximum 0 100 2 2 100 5 2 100 6 100 8 5 100 12 100 13 5 100 21 20 ETSI E 100 mW EIRP maximum 0 10...

Page 130: ...ls and Antenna Gains Maximum Power Levels and Antenna Gains China C 10 mW EIRP maximum 0 5 2 2 5 5 2 n a 6 n a 8 5 n a 12 n a 13 5 n a 21 n a Japan J 10 mW MHz EIRP maximum 0 50 2 2 30 5 2 30 6 30 8 5 n a 12 n a 13 5 5 21 n a Table D 2 Maximum Power Levels Per Antenna Gain continued Regulatory Domain Antenna Gain dBi Maximum Power Level mW ...

Page 131: ... Client Adapter through Windows CE NET This appendix explains how to configure and use the client adapter with Windows CE NET The following topics are covered in this appendix Overview page E 2 Configuring the Client Adapter page E 2 Associating to an Access Point Using Windows CE NET page E 5 Viewing the Status of Your Client Adapter page E 6 ...

Page 132: ...on for Windows CE NET Configuring the Client Adapter Follow the steps below to configure your client adapter using Windows CE NET Step 1 Make sure the client adapter is inserted in the Windows CE NET device Step 2 Double tap the ACU icon on your desktop or select Start Programs Cisco ACU Step 3 On the Profiles screen select External Settings from the Select Active Profile drop down menu Step 4 Tap...

Page 133: ...oints tap the Add button at the bottom of the screen Note The Allow Broadcast SSID to Associate option on the access point must be enabled for the SSID to appear in the list of available networks The Wireless Network Properties screen appears see Figure E 2 Figure E 2 Wireless Network Properties Screen Note The IEEE 802 1X Authentication portion of the screen is currently not operational Support f...

Page 134: ... that have the same WEP key Cisco recommends that shared key authentication not be used because it presents a security risk Step 13 Follow the steps below to enter up to four WEP keys if you are planning to use static WEP a Obtain the WEP key for the access point in an infrastructure network or other clients in an ad hoc network from your system administrator b Tap the Modify WEP Key button The Wi...

Page 135: ...of the screen If the client adapter is associated the status reads Associated Associating to an Access Point Using Windows CE NET Windows CE NET causes the client adapter s driver to automatically attempt to associate to the first network in the list of preferred networks see Figure E 1 If the adapter fails to associate or loses association it automatically switches to the next network in the list...

Page 136: ...IP information for your client adapter double tap the icon of the two connected computers in the Windows CE NET system tray The IP Information screen appears see Figure E 4 Figure E 4 IP Information Screen This screen shows the client adapter s address type DHCP or static IP address subnet mask and default gateway address To renew the adapter s IP address and refresh the displayed information tap ...

Page 137: ... In addition to the information shown on the IP Information screen this screen also shows the physical MAC address the DHCP server the date the lease was obtained and the date it expires the DNS servers and the WINS servers Viewing Wireless Information To view wireless information for your client adapter follow the steps below Step 1 Tap the Wireless Information tab The Wireless Information screen...

Page 138: ...our client adapter s connection to an access point In Figure E 6 the status Associated with default indicates that the client adapter is associated to an access point whose SSID is default The Signal Strength field shows the strength of that connection Step 2 If you want to view a log of Windows CE NET messages that pertain to the client adapter s connections tap the View Log button The Wireless N...

Page 139: ... X F Performing a Site Survey This appendix explains how ACU can be used when conducting a site survey The following topics are covered in this appendix Overview page F 2 Setting Signal Strength Display Units page F 3 Using Passive Mode page F 4 Using Active Mode page F 6 Forcing the Client Adapter to Reassociate page F 12 ...

Page 140: ...ate 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 6 to activate the active mod...

Page 141: ...s and metal or steel construction is a barrier to radio signals Note Refer to the hardware installation guide for your infrastructure device for additional information on factors affecting placement Setting Signal Strength Display Units Follow the steps below to specify the units used to display signal strength on the Survey screen Step 1 Double tap the ACU icon or select Start Programs Cisco ACU ...

Page 142: ...From the Profiles screen tap the Survey tab The Site Survey Passive screen appears see Figure F 2 provided a client adapter is installed in the Windows CE device and is running Figure F 2 shows the Site Survey Passive Mode screen with the signal strength values displayed as percentages and Figure F 3 shows the same screen with the signal strength values displayed in dBm Figure F 2 Site Survey Pass...

Page 143: ...lors green strongest yellow middle of the range and red weakest Range 0 to 100 or 95 to 45 dBm Signal Quality The signal quality for all received packets The higher the value and the more green the bar graph is the clearer the signal The histogram below the bar graph provides a visual interpretation of the current signal quality Differences in signal quality are indicated by the following colors g...

Page 144: ...rs transmitted network traffic and the data rate reflects the rate at which the packets are being transmitted Value 1 2 5 5 or 11 Mbps Quality The client adapter s ability to communicate with the access point Value Not Associated Poor Fair Good Excellent Note This setting appears only if you selected signal strength to be displayed as a percentage See the Setting Signal Strength Display Units sect...

Page 145: ... client adapter is associated Note During the test the client adapter does not roam to other access points so that the size of a single cell can be determined Destination Is Another Cisco Aironet 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...

Page 146: ...e The size of the packets that are sent during the test Select a size that is typical during normal system use Range 30 to 1450 Default 512 Delay Between Packets The delay in milliseconds between successive transmissions Range 1 to 2048 ms Default 1 ms Percent Success Threshold The percentage of packets that are not lost This parameter controls the red line on the Percent Successful histogram Perc...

Page 147: ...ive screen with the signal strength values displayed as percentages and Figure F 6 shows the same screen with the signal strength values displayed in dBm Figure F 5 Site Survey Active Screen with Signal Strength as a Percentage Tx Type The packet type that is transmitted during the test Default Unicast Packet Type Description Unicast When unicast packets are used the system expects to receive an a...

Page 148: ...er and the name or MAC address of any associated access point Value Not Associated Associated Authenticated or Ad Hoc Mode Note The access point name or MAC address is shown only if the client adapter is in infrastructure mode and Aironet Extensions are enabled on access points running Cisco IOS release 12 2 4 JA or greater Signal Strength The signal strength for all received packets The higher th...

Page 149: ...erences in background noise level are indicated by the following colors green low noise yellow middle of the range and red high noise Range 100 to 45 dBm Note This setting appears only if you selected signal strength to be displayed in dBm See the Setting Signal Strength Display Units section on page F 3 for information Link Speed The rate at which your client adapter is transmitting packets to or...

Page 150: ...hat have been transmitted based on the number specified in the Number of Packets field Percent Successful The percentage of packets that were transmitted successfully The Percent Successful histogram provides a visual interpretation of the percentage of packets that are not lost The value you set for the Percent Success Threshold is indicated by the red line Percentages greater than or equal to th...

Page 151: ... one of the following Change the active profile and then select it again Select the active profile in the Manage Profiles box tap the Edit button and tap OK Step 3 Tap the Survey tab to return to the Site Survey screen The first line of the Site Survey screen displays Not Associated while the client adapter disassociates from its current access point and then displays Associated once the adapter i...

Page 152: ...F 14 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 Appendix F Performing a Site Survey Forcing the Client Adapter to Reassociate ...

Page 153: ...less LANs A Access Point A wireless LAN data transceiver that uses radio waves to connect a wired network with wireless stations ActiveSync A Microsoft program that enables a desktop to Windows CE device connection in order to transfer files Ad Hoc Network A wireless network composed of stations without access points Alphanumeric A set of characters that contains both letters and numbers Associate...

Page 154: ...ission rates supported by a device Data rates are measured in megabits per second Mbps dBi A ratio of decibels to an isotropic antenna that is commonly used to measure antenna gain The greater the dBi value the higher the gain and the more acute the angle of coverage DHCP Dynamic Host Configuration Protocol A protocol available with many operating systems that automatically issues IP addresses wit...

Page 155: ...ed 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 G Gateway A device that connects two otherwise incompatible networks together GHz Gigahertz One billion cycles per second A unit of measure for frequency ...

Page 156: ...e manufacturer MIC Message integrity check MIC prevents bit flip attacks on encrypted packets During a bit flip attack an intruder intercepts an encrypted message alters it slightly and retransmits it and the receiver accepts the retransmitted message as legitimate The client adapter s driver must support MIC functionality and MIC must be enabled on the access point Modulation Any of several techn...

Page 157: ...rder to gain benefits such as improved interference tolerance and unlicensed operation SSID Service set identifier A unique identifier that stations must use to be able to communicate with an access point The SSID can be any alphanumeric entry up to a maximum of 32 characters T TKIP Temporal Key Integrity Protocol Also referred to as WEP key hashing A security feature that defends against an attac...

Page 158: ...Glossary GL 6 Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows CE OL 1375 03 ...

Page 159: ...hoc network defined E 3 displayed 1 7 selecting in Windows CE NET E 4 Aironet Client Utility ACU buttons 1 6 deleting icon 8 10 described 1 4 exiting 8 8 feature comparison to Windows CE NET 3 6 finding version 8 7 8 9 installing 3 2 to 3 5 opening 8 8 overview 1 5 to 1 6 uninstalling 8 8 upgrading 8 6 to 8 7 antenna described 1 3 gains D 3 to D 4 options C 3 placement F 2 specifications A 4 type ...

Page 160: ...nd Wireless Login Module WLM configuring client adapter deciding between ACU and Windows CE NET 3 6 in ACU 5 2 to 5 23 through Windows CE NET E 2 to E 5 Connect button 5 21 5 23 Continuous Link Test parameter F 8 conventions of document xi to xii CRC errors 7 6 D Data Rate parameter F 8 data rates A 3 F 2 Data Rates parameter 5 6 Data Retries parameter F 8 declarations of conformity European commu...

Page 161: ...13 EIRP maximum 1 3 D 3 to D 4 Enroll button 5 20 error messages 9 5 to 9 10 External Settings profile option 4 3 E 2 F Fast PSP 5 4 FCC declaration of conformity statement C 2 to C 3 safety compliance statement 2 2 Firmware screen 8 3 tab described 1 5 using 8 3 8 5 firmware current version 7 5 described 1 4 finding version 8 3 to 8 4 loading 8 4 to 8 6 upgrading 8 3 to 8 6 version required 3 2 f...

Page 162: ... 3 interpreting 9 2 to 9 3 using to verify installation 3 5 link quality current 7 4 in active site survey F 11 in passive site survey F 6 link speed in active site survey F 11 in passive site survey F 6 LM card antenna 1 3 described 1 2 Logout button 6 4 M MAC CRC errors 7 7 Max PSP 5 4 message integrity check MIC current status 7 5 described 5 11 to 5 12 setting on client and access point 5 13 s...

Page 163: ...profile selection card insertion reset 6 6 to 6 7 authenticating after your password expires Windows NT or 2000 domain databases 6 7 to 6 8 described 5 10 to 5 11 enabling 5 20 to 5 23 obtaining CA certificates 5 18 to 5 19 RADIUS servers supported 5 11 setting on client and access point 5 13 PEAP option 5 22 PEAP Properties screen 5 22 peer to peer wireless LAN 1 7 Percent Successful histogram F ...

Page 164: ...zing 5 13 sensitivity A 3 shared key authentication 5 5 E 4 signal quality current 7 4 in active site survey F 11 in passive site survey F 5 signal strength as a percentage 7 2 F 3 current 7 4 in active site survey F 10 in dBm 7 2 F 3 in passive site survey F 5 Signal Strength Display Units parameter 7 2 F 3 signal to noise ratio current 7 5 in active site survey F 11 in passive site survey F 6 si...

Page 165: ...5 in Status screen 7 4 in Windows CE NET E 6 to E 8 viewing 7 3 to 7 5 Stop button function of 1 6 Survey tab described 1 5 using F 4 system requirements 2 4 T technical assistance obtaining xiv to xvi Technical Assistance Center contacting xv to xvi Temporal Key Integrity Protocol TKIP described 5 12 setting on client and access point 5 13 throughput 5 4 5 6 8 12 TLS option 5 21 Transmit Key butt...

Page 166: ...atic WEP keys E 4 to E 5 making a configuration decision 3 6 verifying client adapter association E 5 viewing IP information E 6 to E 7 viewing wireless information E 7 to E 8 Wireless WEP Key Settings screen Windows CE NET E 4 wireless information viewing in Windows CE NET E 7 to E 8 Wireless Information screen Windows CE NET E 7 Wireless Information tab Windows CE NET E 7 wireless infrastructure...

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