@Carl Thanks for clarifying that on thr IOT network. Do you know though wether it allows devices to talk to things hosted on the main network as that is what I need and what the guest network is...

@yves_b , Thanks for the prompt answers. Am I correct in thinking the "new" IOT network won't help either as it operates under the same basis? No point in turning that on and moving them to that?

I have my M5 setup in Router mode and am trying to work out what I need to do to solve the following problem: I have a device connected to my Guest network which I cant seem to access FROM my main...