Hello,
i installed manage engine netflow analyzer and set for mitrotik netflow , i think it’s free for 2 interface . i only want it for one interface, i want to know is it free for one interface ,
any experience.
Thanks.
Yes, absolutely. As soon as the trial period is over, NetFlow Analyzer will stop monitoring all interfaces except the first two. You can choose which two (or just one) interfaces you need to monitor in the “License Management” section, more over you can change your preference any time you like.
so i can use it permanently 
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Thank u andriys