Studying the networking docs on discourse, I think I’ve answered my previous questions, however, it’s not completely clear in the section on reserving IP address ranges when using external DHCP how to actually do that, i.e. do I create a “space” or “subnet” within an existing “fabric”, or a new “fabric” with new “space” or “subnet”? Also, how do I denote that this THING is to be reserved?? Tagging @billwear for visibility into areas newbies get hung up on for how to improve documentation.
This is what I see in the controller UI: