Last week, Joanne started a series of blogs aimed at providing an overview of some NetFlow basics. I am going to continue this series and take a look at what can be found in the NetFlow Packet header.
Built by a device (for example, a router) with NetFlow services enabled, the NetFlow export packet is addressed to a NetFlow collector. The collector processes the packet and stores the information found in the IP flow records.
The NetFlow record format consists of a packet header followed by at least one or more template or data FlowSets.
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