Cisco Cisco Aironet 350 Wireless LAN Client Adapter

The wired equivalent privacy (WEP) keys of the access points with which your client adapter 
will communicate, if your wireless network uses static WEP for security

The username and password for your network account

Protected access credentials (PAC) file if your wireless network uses EAP-FAST authentication 
with manual PAC provisioning

If you want to use the Network Managed Test feature in the Diagnostics tab of the ADU, you need 
to run software release 4.2 on the Wireless LAN Controller.

If you want the client adapter to use Management Frame Protection (MFP), you need to run software 
release 4.1.181 or later on the Wireless LAN Controller.

After a change in channel, the transmit power of transmitted packets might be lower or higher than the 
intended transmit power.

With a 4400 controller, a wireless LAN is configured with WPA2 and with 802.1X selected as the key 
management method. A client sends a PMKID in the association request, but the PMKID does not match 
the controller PMKID cache. 

If you have Cisco Security Agent (CSA) 5.0 installed on your computer and you attempt to run Install 
Wizard 4.0 (setup.exe) for the Cisco Aironet CB21AG or PI21AG wireless client, you might encounter 
one of two conditions that prevents the completion of software installation:

If you click No, you are instructing the CSA to disallow devcon.exe of the client installation 
software from executing its tasks. The installation then appears to stall. The installation does not 
complete, and the computer must be rebooted. To avoid this behavior, disable the CSA before 
installing the wireless client software.

If you click Yes, you are instructing the CSA to allow devcon.exe of the client installation software 
to execute its tasks. However, the CSA might block cmd.exe from executing. The installation then 
appears to stall, and the computer must be rebooted.

When you run setup.exe, the CSA opens the following dialog box (see