OK setup is 1 RT-AC3100 working as the main AiMesh Router with 2 RT-AC68 nodes on ethernet backhauls. The only network changes I have made was going to AiMesh from Router / AP mode. Now all of a sudden I have to add the gateway IP to all of the client machines because they can't seem to get the value from DHCP . Everything works after adding that setting; though I do end up with 2 Networks according to Windows 10 a private one and a public Unknown one. Also not sure if this is related but I can't get the 2 Chromebooks to connect for more than 30 seconds now, I have a work around for those but....