https://www.youtube.com/watch?v=-5o_Qu3XToQ

@5Guru When i change to 1000 or higher the speed starts dropping! Yes, my tests confirm this as well. According to my research, at speeds above 1 Gbps, the router uses a different datapath, which...

@5Guru Are you absolutely sure everything worked before? Perhaps you previously had a slower internet package or a different type of converter. When I was testing the bug, I received a firmware...

@5Guru @Joseph-TP I recently received a beta firmware from TP-LINK Support specifically compiled to test increased QoS burst limits for Wi-Fi. While this beta definitely improved the upload speeds,...

@5Guru I'm communicating with support and running tests to resolve this issue. I think it needs more time.

@Joseph-TP @5Guru Finally managed to replicate the problem exactly and find the source. 5Guru, thanks for the tip. Internet Port Negotiation Speed Setting in BE800 definitely doesn't affect the speed...