I have solved the issue. It turns out my tenant, who has his own separate apartment had reset his wi-fi router and it started acting like a second router on my network (his is connected to the same...

Just an update, I now managed to update the two nodes to the latest firmware. The issue still remains..

Hi, So my TP-Link Deco M5 system that has been extremely stable has unfortunately become very unstable. The two mesh nodes (not the main node) which are connected via ethernet backhaul keeps dropping...