Mikrotik & Netflow Analyzer

Mikrotik & Netflow Analyzer

Greetings all!

I wanted to know if I'm setting my Traffic Flow's up correctly,
So today I started from scratch: I disabled Traffic Flow on my 10 Mikrotiks, made a backup of netflow DB and uninstalled then reinstalled the Analyzer.
On first start, Analyzer showed no interfaces/devices which was as expected.
I gradually started enabling Traffic Flow on each Mikrotik and watched the Analyzer auto-detect the interfaces accordingly (as seen in snip below).
8 Interfaces that auto-imported
After enabling Traffic Flow on the first 4 Mikrotik's, I noticed that no new interfaces were being auto-detected, and now I'm stuck looking at the 8 interfaces which have all 10 Mikrotik flows reflecting on all 8 interfaces.

So my question is, why are the other 6 Mikrotiks not auto-detecting the interfaces? And why is that traffic data being logged on all 8 Interfaces?

Thanks in advance for any assistance.

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