This is possibly a very silly question, but... When setting up, for example, the DNS forwarders in UTM, what's the effective difference between using an availability group vs just specifying the different hosts in the target servers list?

In the Rulz, rule #3 states the following. Rule #3 Never create a Host/Network definition bound to a specific interface. Always leave all definitions with 'Interface: <<Any>>'. The only known exception began with V9.4 and the introduction of STAS…