@Carl Carl wrote @Frank321 Hi Frank is Auto-negotiation is choosing the speed of 100 Mbps it could be that the wire is being detected as Cat 5 which is limited to 100 Mbps. Have you confrimed the...

Hi everyone I have an issue with the Archer AC5400x WAN port wired connection If I set it to auto-negotiation the WAN port speed is set 100 Mbps and not to 1000 Mbps the Max speed from the computer...