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How to monitor virtual network – story about netflow in vSphere environment.

How to monitor virtual network – story about netflow in vSphere environment.

Before we start talking about NetFlow configuration on VMware vSphere let’s back to basics and review protocol itself. NetFlow was originally developed by Cisco and has become a reasonably standard mechanism to perform network analysis. NetFlow collect network traffic statistics on designated interfaces. Commonly used in the physical world to help gain visibility into traffic and understanding just who is sending what and to where. NetFlow comes in a variety of versions, from v1 to v10. VMware uses the IPFIX…

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