Table Of Contents
Release Notes for Cisco Aironet 802.11a/b/g (CB21AG and PI21AG) Client Administration Utility (ACAU) Version 2.1
May 23, 2005
These release notes describe caveats for the Aironet Client Adapters Administration Utility (ACAU)
ACAU is a utility used by administrators to configure administrative overrides and create profiles for users who install CB21AG and PI21AG wireless client adapters in PCs running Windows 2000 or Windows XP operating systems. The overrides and profiles are stored in configuration files that are loaded into the Aironet Desktop Utility (ADU) Install Wizard. After a user installs the drivers and ADU for their client adapter, the Install Wizard uses the instructions in the configuration file to preconfigure ADU user settings and load one or more user profiles.
Using ACAU, an administrator can perform the following operations:
•Determine and configure the setup options for the ADU software
•Set ADU user functions
•Create preconfigured user profiles for a user or group of users
Generally, the system requirements for ACAU are the same as the client adapter:
•A computer running the Windows 2000 or XP operating system
Note Cisco recommends a 300-MHz (or greater) processor.
•Service Pack 2 for Windows XP
•20 MB of free hard disk space (minimum)
•128 MB of RAM or greater (recommended)
•If the wireless network uses EAP-TLS or PEAP authentication, the following must be on the user's PC:
–Certificate of Authority (CA) and user certificates for EAP-TLS authentication or CA certificate for PEAP authentication
•If the wireless network uses PEAP (EAP-GTC) authentication with a One-Time Password (OTP) user database, the following must be on the user's PC:
–A hardware token device from OTP vendors or Secure Computing SoftToken program (release 2.1 or later)
–Your hardware or software token password
•The Microsoft 802.1X supplicant, if your client adapter is installed on a Windows 2000 device and uses PEAP (EAP-MSCHAPV2) with machine authentication.
•All necessary devices (such as access points, servers, gateways, user databases, etc.) must be properly configured for any authentication type you plan to enable on a client.
The following new features have been incorporated in version 2.1:
•Support for EAP-FAST Authentication
•Support for Domain Logon with EAP-TLS
•Support for WiFi Protected Access 2 (WPA2)
•CCKM Fast Secure Roaming Supported with All EAP Types
•Support for Wi-Fi Multimedia
New Site Survey Utility
A site survey utility is now available for the CB21AG and PI21AG client adapters. The utility, which is designed to be used by people responsible for conducting a site survey, is useful in determining the best placement of infrastructure devices within a wireless network. The utility is a stand-alone application, separate from ADU, that runs from an executable file. If you check the Install Cisco Aironet Site Survey Utility check box during installation of Install Wizard 2.1, the site survey executable file is installed in the C:\Program Files\Cisco Aironet directory (unless you specify a different directory).
During a site survey, the current status of the network is read from the client adapter, and the status display is updated four times per second so you can accurately gauge network performance. The feedback that you receive can help you to eliminate areas of low RF signal levels that can result in a loss of connection between the client adapter and its associated access point (or other infrastructure device).
To open the site survey utility, choose Start > Programs > Cisco Aironet > Aironet Site Survey Utility. (If you specify a different program folder during installation, you must access the site survey utility from that folder.)
Note The site survey utility is supported for use with only CB21AG and PI21AG client adapters.
Note Refer to Appendix F of the Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide (part number OL-4211-03) for more information on the site survey utility.
Cisco Aironet Software Requires Completion of Encryption Authorization Form
In order to access Cisco Aironet software from the Software Center on Cisco.com, you must now fill out a form to receive authorization to download encrypted software. Registered Cisco.com users are required to fill out the form only once, while public users must do so once for each session, each time software is downloaded. A form is automatically created for public users. The form for Registered Cisco.com users is located at the following URL: https://www.cisco.com/cgi-bin//Software/Crypto/crypto_main.pl.
ACAU version 2.1 supports the following products:
•PC-Cardbus card (model number: AIR-CB21AG)
•PCI card (model number: AIR-PI21AG)
Obtaining ACAU Software
To obtain the latest ACAU software from the Cisco Web site, follow these steps:
Step 1 Use your web browser to go to the Cisco Software Center at the following URL:
Step 2 Choose Option #2: Aironet Wireless Software Display Tables.
Step 3 Choose Cisco Aironet Wireless LAN Client Adapters.
Step 4 Scroll down to the Windows System Administration Tool and choose Aironet Client Administration Utility (CB21AG and PI21AG). The Software Download page appears.
Step 5 Click ACAU-vxxx.exe. The Software Download Encryption Authorization Form appears.
Step 6 Complete the encryption authorization form and click Submit. The Software License Agreement page appears.
Step 7 If you agree with the terms of the agreement, click Accept. Otherwise, click Decline to cancel the download. The Software Download page appears.
Step 8 Click ACAU-vxxxx.exe.
Step 9 Save the file to a folder you specify.
Installing ACAU Software
This section describes a typical installation process when you are installing the ACAU on your PC for the first time.
Note The steps below describe the installation process using Windows 2000. The installation screens for Windows XP differ slightly, but the installation process is the same.
Follow the steps below to install ACAU on your PC for the first time:
Step 1 On the Windows taskbar Click Start > Run. The Run window appears.
Step 2 Browse to the location from which you downloaded the software.
Step 3 Click Setup.exe.
Step 4 Click Open. The Run window reappears showing the path you specified in Step 2.
Step 5 Click OK. The ACAU - InstallShield Wizard window appears (Figure 1).
Figure 1 ACAU - InstallShield Wizard Window
Step 6 Click click Next. The next installation window appears showing you the default location to which the ACAU will be installed (Figure 2).
Figure 2 ACAU installation location Window
Note If you want to change the default location, click Change and browse to the location of your choice, select it, and click Next.
Step 7 Click Next to accept the default location and begin the installation process.
Step 8 When the ACAU is installed, the Installation Wizard Complete window appears (Figure 3).
Figure 3 Installation Wizard Complete Window
Step 9 Click Finish. The installation is complete.
Finding the Software Version
Follow these steps to find the ACAU software version:
Step 1 Open ACAU. The Cisco Aironet Client Administration Utility Window appears.
Step 2 Click Help.
Step 3 From the drop down menu, click About... The About ACAU window containing the version number appears.
Step 4 Click OK to return to the Cisco Aironet Client Administration Utility Window.
Limitations and Restrictions
Compatibility with Client Adapters
ACAU is compatible with the Cisco Aironet CB21AG and PI21AG client adapters. The ACAU software is incompatible with other Cisco Aironet client adapter software.
The Aironet Desktop Utility (ADU) must be used with CB21AG and PI21AG cards, and the Aironet Client Utility (ACU) must be used with all other Cisco Aironet client adapters.
Silent Install Reboot Options
Version 1.0 does not provide a reboot option when a silent installation is selected in the Global Settings section. Regardless of the type of installation selected in ACAU, the user is always prompted to click OK to reboot the system. Future ACAU versions will provide a silent install reboot option.
This section lists open software issues in ACAU version 2.1.
There are no significant open caveats in ACAU version 2.1.
The following caveats have been resolved in version 2.1:
CSCed01662—Profile created in ACAU now appends to existing profile in ciscoadminconfig.dat file.
Getting Bug Information on Cisco.com
If you are a Cisco registered user, you can use the Cisco TAC Software Bug Toolkit, which consists of three tools (Bug Navigator, Bug Watcher, and Search by Bug ID Number) that help you identify existing bugs (or caveats) in Cisco software products.
Access the TAC Software Bug Toolkit at the following URL:
For the most up-to-date, detailed troubleshooting information, refer to the Cisco TAC website at
Click Wireless. Then choose your product and Troubleshooting to find information on the problem you are experiencing.
For information about Cisco Aironet CB21AG and PI21AG client adapters and the ACAU, refer to the following documents:
•Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide
•Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Administration Utility Administrator Guide
These documents are available at Cisco.com:
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Obtaining Technical Assistance
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Submitting a Service Request
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For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.
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Severity 1 (S1)—Your network is "down," or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.
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Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.
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