Needed for pihole on primary, but different dns on guest network.

Guest network is broken when using only pihole on primary network.

@David-TP 1. My ISP is my local fiber provider. It's run by the city. The model of the modem (which is actually an ONT) is Nokia 7368 ISAM ONT G-010G-A. 2. I think sometimes the main deco would turn...

Every week or two my network goes down. I've isolated the issue to the deco system by only rebooting the decos and having the problem resolved repeatedly. The behavior looks like: - Wifi is still...