@TP-Link Speed test when connecting the ISP link directly to the laptop was 343mbps I tried both the ports on the m4 getting only <100Mbps. Will test link speed by connecting m4 to laptop once.

@TP-Link Other decos I have are e4 The ethernet cable is direct link from ISP. Tests on that show >343mbps

My ISP connection speed is 350 Mbps Am getting only 90-91Mbps. Am suspecting faulty port in the m4r. Got a 10/100 over a 1gbps port.