@tetsu-kun Hey Ok so if you have the controller on SDN v4 then you need to manually update the access points also. If memory serves me correctly EAP firmware 2.4 is for the SDN v3 You would therefore...

@malreyyashi If you are going to run cables, which I 100% recommend you do.. consider running Cat6 cables Cat5E is designed for 1gbps top speed but can do 2.5gbps over short runs Cat6 is identical to...

@malreyyashi Hey It sounds like you are going to have the same dilemma that I did. I upgraded from 80mbps DSL to 1gbps FTTP last year and had the same problem as you, my existing Deco and HomePlugs...

@Lecharme Hey Yeah try the new firmware and see if that helps you If not as its only 8months old then it should be under warranty for you, contact TP Link support for a RMA. Only had to do this once...

@neongio Ah yes, that will cause it :)

@Neon I notice you have just added the one port, there are a number of ports required for COD on PC/ Mix of TCP and USP Platform TCP Ports UDP Ports PC 3074, 27014-27050 3074, 3478, 4379-4380,...