Wie kann ich einen 2ten Pihole als Alternativen bekannt geben?

[yubiuser]

Das geht indem du in 1. DHCP pihole die Konfiguration so änderst, dass auch die IP des 2. als DNS server verteilt wird.

How to propagate multiple DNS IPs to clients

You cannot do that via the setupVars.conf because that file is the configuration file for the local installation of Pi-hole. In order to achieve what you want, you need to create a file under /etc/dnsmasq.d/ Call it something like 99-DNS.conf or something easy for you to track by. Doesn't have to be numbered or anything. Then, you'd have to add this particular line to the file: dhcp-option=6,192.168.1.2,192.168.1.3 Change the IPs to whatever you want/need and remember to restart the Pi-hol…