Hi, so I've recently purchased a second VR600 Router to replace my Virgin media hub for wireless so I can change settings such as DNS and add VPN options. Here's a quick diagram for my setup which is

I have Access point that is physically connected to port 3 on the back of the archer vr 600, when I'm with my phone and connected to the AP Wi-Fi I can send ping to my PC, my PC is connected to port n