'Auto' will choose channel 1, 6 or 11 depending on which is the clearest at the time the hub boots up. It won't change channel at any other time, unlike more advanced routers. If a nearby network moves to the same channel the VM hub won't do anything until the next reboot.
Remember to stick to channels 1, 6 or 11 to avoid overlapping channels. VM offshore support will very often change it to a totally random overlapping channel which only serves to makes things worse for the customer and their neighbours.
https://www.metageek.com/training/re...ls-1-6-11.html