@TP-Link Turns out, putting the decos in AP mode was the fix for me. Obviously, this means you have to have a separate router before the main deco. Less than ideal. If I knew, I certainly wouldn't've...

@TP-Link Seems like that does help. Not sure why they would impact a wired connection, though... After I realized the M5's were the problem, I put a different router in front of the mesh to act as...

@TP-Link I'll work on that. Until I do, would those settings have any impact if I'm not using wifi? The Xbox is hardwired to the main deco via a switch

I've seen others post on forums about this for the M9, but I too am having serious packet loss and latency issues regularly on my home network. Every minute to few minutes, latency will skyrocket,...