Over the last few days I've been writing and talking a lot about NetFlow. This is a smokin' hot topic for network engineers nowadays and so we've created some new videos and webcasts to help explain the technology and how you can leverage it. One of the subjects that kept coming up is how to get NetFlow data from your Cisco ASAs. I had to do some research to verify my understanding of how this worked but now that I'm done I thought I should share it here. When most of us think about NetFlow, we think about traffic analysis. When you enable NetFlow on a router or switch...