If you are using @The_Pi_Hole to filter ads in your network, you need a redundant pi-hole setup. Dissimilar hardware at different locations, update the software not on both on the same day (in case the update breaks things). Run DHCP on both in parallel (this works!). pic.twitter.com/VSwbjevy8W

— Jan Zwiener (@jnz_jan) June 3, 2021