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In this video, Keith Barker covers NetFlow and how to understand traffic patterns that are coursing through your network. He sets up and uses the common tool that inspects requests, sees who the top talkers of a network are, and figures out what the top destinations are.
When faced with network management's central challenge of understanding what's going through the network, you won't find a better tool than NetFlow. When you need to compare the amount of HTTP traffic to DNS traffic, or see how much ICNP traffic you're getting, or who your network's top talkers are and what their destinations are, you need NetFlow. Using NetFlow can provide you with a security baseline of your traffic and make finding anomalies that much easier. It can change anticipating a new application's impact on traffic patterns from a shot in the dark to an accurate estimate. You'll follow along as Keith configures NetFlow on-screen to view ports, protocols, versions and address configurations, then exports the data to a tool specially made for visualizing the data, creating graphs, and producing reports.
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