This User Guide describes the features supported by ArubaOS 6.4.x and provides instructions and examples for configuring mobility controllers and access points (APs). This guide is intended for system administrators responsible for configuring and maintaining wireless networks and assumes administrator knowledge in Layer 2 and Layer 3 networking technologies.
http://www.arubanetworks.com/techdocs/ArubaOS_6_4_1_Web_Help/Web_Help_Index.htm