I'd use HyperV....I haven't seen any notification this has been fixed.

I've heard other people mention that ProxMox with Open Vswitch works but I haven't tested or confirmed that.

I would probably consider MPLS with VPLS if you know that you need L2 adjacency. EoIP is great for very simple applications but if i'm going to be running an L2 overlay for any length of time, I use VPLS for stability and scalability.

MikroTik has not yet implemented any variant of FQ Codel

I did the testing in the YouTube video referenced above, and we found ProxMox to be in the middle as compared to VM Ware and HyperV. Part of the reason for this is driver support. In talking with MIkroTik at the MUM, there were existing drivers for ESXi and KVM that could be used. However, there wer...

The first thing I would do is connect a router locally to Site 80 that isn't over the wireless link, enable MPLS and see i it's still an issue.

Does this hapen to all HTTP/HTTPs sites or only some of them?

Good luck....also you may want to consider using a highly available PPPoE design with hardware or for better scale CHR

https://www.stubarea51.net/2018/04/23/p ... atorsbras/

Can you post your configuration and the output of