Closing the loop here. I had quite a bit of back-and-forth with TP-Link support, including remote debug sessions etc. Eventually it was diagnosed as an issue when BE85 is connected to my Mikrotik...

@David-TP Hi, and thanks for the response. The SFP+ modules I'm using are optical, not copper. Specifically, they are https://www.fs.com/products/74681.html and matching...

I have noticed that during said speedtest, Deco's CPU utilization maxes out at 100%. Does that mean the unit is just incapable of delivering anything beyond 3.5Gbps?

So I got a pair of Deco BE85 units. My current configuration is ISP's optic fiber going straight into my Mikrotik CCR2004-1G-12S+2XS rounter's SFP28 port (I got a 25G up / 25G down connection, and it...

Dear TP-Link, Are there any plans / timelines for BE85 to support Thread Border Router function? Thanks!

Will IoT network work when Deco is in AP mode? Will it be able to do VLAN tagging for devices connected to IoT network?