@terziyski Thank you very much for your help. Believe you or not, this did the trick: Perform a Clean Power-Off: Unplug the computer from the wall and remove the network cable for 30 seconds to force...

@terziyski I bought a TP-Link LS105G switch and no lucky to make it work, exactly same behavior as the TpLink router. I tested with an Asus Router RT-AX88U and it work flawlessly. Another test that I...

@terziyski after a long dialog with chatgpt / claude and gemini they all are saying that I should buy an unmanaged switch because this is a negotiation problem between my NIC and the TPLink router. I...

Hi @terziyski , I have tried with the cable that came with the router, with my cat6 and with an old cat5 that I have here, same result.

Hi everyone, I am trying to understand a strange Ethernet compatibility issue between my PC onboard network card and my TP-Link router. My PC has two Ethernet adapters: Onboard NIC: Intel(R) Ethernet...