@PzSniper There's a better approach - buy another AX55 or AX53 and connect them in Easymesh network. Placing them optimally would cover 120m2 space. And if still there's a deadspot you could use your...

@DrNerd I doubt that Archer A6 v2 have received an Easymesh update. If your latest FW release is v1.1.9 you probably have US region version of A6 v2 - here. Easymesh compatible devices for the US...

@Galicia86 When you ping the TP-Link domain name registered in AX55, you should see to which IP address it resolves. This IP address should be the same as the AX55 WAN IP address. If they are...

@Noam_A1 You should be able to do all of these - check this thread for your first question and this thread for your second question.

@RTouris This would work in a business grade router on which you can set its ethernet ports IP addresses to be in a different subnets. AX55 is a home grade router with an integrated ethernet switch...

@superwojciech Depending on your device model and hardware version you can block pings to WAN port for all devices only.