Have you ever needed to expand your colocated servers at more than one provider and allow applications to communicate as if they were on the same LAN, possibly over multiple sets of firewalls and ...
10.0.0.1 - Asus router - DHCP set up for 10.0.0.0/21 subnet (10.0.01 - 10.0.7.254). 10.0.1.1 - primary pihole for adblocking 10.0.1.2 - secondary/HA pihole 10.0.1.3 - PiVPN running on an RPi 4 / ...