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IDG Contributor Network: Triggered NetFlow — <br>A Trick of the Trade

Discussion in 'Network World' started by RSS, Jun 1, 2016.

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    RSS New Member Member

    Triggered NetFlow: A Woland-Santuka Pro-Tip

    Vivek Santuka, CCIE #17621, is a consulting systems engineer at Cisco Systems who focuses on ISE for Cisco’s largest customers around the world. He and I devised, tested and deployed the methodology discussed in this blog entry, which we like to call “Triggered NetFlow.”

    NetFlow is an incredibly useful and under-valued security tool. Essentially, it is similar to a phone bill. A phone bill does not include recordings of all the conversations you have had in their entirety; it is a summary record of all calls sent and received.

    Cisco routers and switches support NetFlow, sending a “record” of each packet that has been routed, including the ports and other very usable information.

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