MikroTik UDP Port 5678

I have been struggling since two days with unknown traffic sent and received through some of my MikroTik bridges WAN, this traffic causes the link to break down with a bottleneck bandwidth of around 5 Mbits/s. After doing some researches it turns out that the cause of the traffic was because of the neighborhood discovery option equiped with the MikroTik OS, disabling the option on the wlan port solved my problem. I have also noticed something weired causes the traffic on the wireless interface of the board, i was using the F50 ubiquiti famous wireless card and i noticed once i enabled the WMM support the traffic was present and again disabling this feature solved the problem.

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