Got everything connected enough to finish up/secure things from home. Looked like I was able to access the gateway remotely w/the static IP, verified the server had the correct LAN static IP and was loading/happy.
Spent another 30mins driving home.
I can't access the gateway at home, because I forgot to expose the port. It loaded because I was on the LAN side....
It's rush hour now, going to wait a bit before going back again.
This would have ben easier if the Omada controller would have adopted the gateway when I was at home and automagically worked at the remote site like it was supposed to. Omada networks HATE when folks are NOT using a base IP range that isn't 192.168.0.1/24 when configuring/adding devices. No SDN automagic goodness for me today. :-(