@MichaelKB What was confusing to me is that in some home router models TP-Link has implemented Port-forwarding as Virtual Servers which is basically the same. What you're referring is called...

@MichaelKB In AXE300 this menu is called NAT forwarding => Port forwarding.

@Ash916 The wireless security setting could be a reason for this behavior - make sure that they are the same as on your google Wi-Fi 5:

@Johnnydec1 How do you login your router WebGUI - using http://tplinkwifi.net or http://router_IP_address ? Try using the router IP address - here's how to find it. Make sure you don't have any...

@pygr Check this Knowledge Bse article as well. If you still have questions your best bet is to contact your local support with this issue and ask for assistance.

@CrusadersCrypt You can do that if you like because different Deco models can work together - details.