I have set up virtual servers for ports ,3074,88,53,80 for the first XBox which has its own IP When I try to set up the second XBox (different IP) it wont let me enter the same ports. I can't...

Model : Hardware Version : Firmware Version : ISP : Hi,I have an Archer VR600 connected to sky fibre (UK).I want to set up port forwarding for 2 Xbox one consoles but I notice that once I put the...