@Solla-topee thanks got email and replied to them so hope it gets fixed from here thank you

@Solla-topee Thanks - I just loaded the new firmware. Unfortunately I still get quite a few DUP packets: Below is snip of pinging my default gateway from laptop. Laptop connected to TP link WPA4220...

I have my TL WPA4220 connected via ethernet to back of BT home hub dsl router/modem, plugged into mains power line and then the other unit using 2.4G wifi and/or ethernet to laptop. I have BT hiome...