@Sixkiller According to this article AX55 Pro doesn't support easymesh in AP mode. But you could do the oposite - connect the AX55 Pro as a satellite device to Deco X55 - details.

@lionel13 Here's a port-forwarding tester - https://www.yougetsignal.com/tools/open-ports/ Make sure that your router WAN port IP address is public. If you have a private IP address on the WAN port...

@lionel13 Yes, it is. But you want to configure a port-forward to this IP address. So use this IP address: when configuring the port-forward. If you want to open port 80 for a local device, please...

@lionel13 If you've set a DHCP address reservation (instead of static IP address - it's still from your LAN) then point to that IP address.

@lionel13 This would be the IP address of the device in your home LAN which you want to access from outside. Here's (Case 1) a guide on configuring virtual-server (port-forward).

@Gr3ed You're doing just fine but your router WAN IP address is a private IP address - 192,168,1,214 - details (Step 4). Unless you get a public IP address, this won't work - contact your ISP and ask...