How to Dig Deeper on the Network When You Don't Have NetFlow
Bro, I ain’t got flow isn’t only heard at your local hip hop mic night. It’s a gripe from many network administrators who have inherited small environments, networks with lower-end gear, or who are in the trenches dealing with a time-sensitive issue and need to dig deep—now. NetFlow is a Layer 3 protocol that, over time, allows administrators to see how much traffic is being generated, by whom, and where that traffic is going.