@Jeremy_12 Thank you!

@Jeremy_12 Yes, that makes sense - except that you are noting the Controller version (as does the link), but the upgrade message in the UI calls out the SDN version, which is different ... and...

@arrmo Agreed, but it is difficult to "map" and understand the controller version ... and it doesn't show up properly in the upgrade notification? To make it more difficult, the SDN version seems to...

Hi, Sorry, just a bit confused . On a new version, like at, https://community.tp-link.com/en/business/forum/topic/861796?page=1 Can someone explain the (HW) controller version, vs. SDN? The...

@Vincent-TP OK ,will do. The controller is ER707-M2. Sorry, my bad! That's the firewall LOL. Controller is OC220.

@Vincent-TP That's not really possible - I only have one subnet on my LAN ;). Why would this be limited? DNS Override does work, why the difference? Thanks!