Has anybody managed to get their Hub 4 running with a battery backup / 12V DC UPS?I have a mains UPS for my PC which is great, but it strikes me that having a 240V AC UPS for the router is a waste of energy because it gets converted to 12V DC anyway....

I just got my Hub 4 and I need to change the DHCP range to avoid clashing with the office ranges when I VPN to work, and although the option is there, and it says it's doing it, it eventually just comes back with the error:"The starting IP address yo...