Free Program to take netflow

[nuclearcat at nuclearcat.com (Denys Fedoryshchenko)]

Fastnetmon have that: 
https://fastnetmon.com/fastnetmon-advanced-traffic-persistency/
I used it for such purposes.

On 2019-05-17 17:26, Dennis Burgess via NANOG wrote:
> I am looking for a free program to take netflow and output what the
> top traffic ASes to and from my AS are.   Something that we can look
> at every once in a while, and/or spin up and get data then shutdown..
> Just have two ports need netflow from currently.
> 
> Thanks in advance.
> 
> DENNIS BURGESS, MIKROTIK CERTIFIED TRAINER
> 
> Author of "Learn RouterOS- Second Edition"
> 
> LINK TECHNOLOGIES, INC -- Mikrotik & WISP Support Services
> 
> OFFICE: 314-735-0270  Website: http://www.linktechs.net [1]
> 
> Create Wireless Coverage's with www.towercoverage.com [2]
> 
> 
> 
> Links:
> ------
> [1] http://www.linktechs.net/
> [2] http://germany.nuclearcat.com/www.towercoverage.com