Application Performance Management

NetFlow Port Number

What is the preferred Cisco NetFlow Port Number to listen on?  Well, it depends.  The NetFlow RFC 3954 does not specify a specific NetFlow listening port, however, in my experience 2055 and 9995 or 9996 are the most popular.  Fortunately, our NetFlow solution, by default, will listen for any NetFlow/sFlow traffic sent to it on …

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