Since posted this document has been modified/updated two times. Most recently on Nov. 17th 2011. If you use the network licensing, then you'll want to keep an eye on some of these technical solutions. Some things have been removed since the first posting.
2012: Cascading Sequences for Autodesk Products
Building Design Suite Premium/Ultimate 2012 doesn't license AutoCAD 2012
Cascading can be a very confusing and fun topic, please call us if you need help.