Here are a few of my Visio drawings. I will be adding to this collection as I have time. I left this page open for comments so if you see anything you like or think sucks, let me know!

48-port 3750 Catalyst

48-port 3750 Catalyst Template

24-port 3750 Catalyst

24-port 3750 Catalyst Template

Exchange 2010 Logic Flow

Logical overview of mail flow in Exchange 2010

Logical outside mailflow in Exchange 2010

Load balanced edge server logical overview for Exchange 2010