@Philbert You got it in one!! That was the problem. Now, in hindsight, it makes perfect sense. I had set that option because I wanted to be able to create Guest networks; I was not wanting to make...

@joeh55 Thanks so much for taking a look at this. I'll start off with the topology diagram and then the assigned IPs: From left to right and top to bottom: Cellular modem: NetGear LM1200 -...

I have a newly installed home network with the following configuration: NetGear LM1200 cellular modem TP-Link TL-R605 Router TP-Link TL-SG2210MP Switch Ports 1-4 - APs Port 5 - Software Controller on...