@CoffeeAndTech Here are my settings:

@Clive_A These warnings are coming wireless devices. Here are two examples: 1) Conflict between a Macbook Air (connected to EAP_1) and an iPad (connected to EAP_2) 2) Conflict between an iPhone...

@Clive_A Thank you for responding! I turned on Legal DHCP to rule out a second DHCP server. As I mentioned, it seemed to solve the problem for 1 reboot but then the problem returned. I've used NMAP...

@CoffeeAndTech I believe I have solved the issue: I installed an SFP RJ45 adapter and changed the WAN port from WAN2 to WAN1/SFP. I've rebooted twice and am not getting any errors. Fingers-crossed....

@CoffeeAndTech In trying to sovle this issue, I set Legal DHCP = 192.168.1.1, rebooted, and I didn't see these errors. Rebooted a second time and they are back.

@CoffeeAndTech I started looking at logs. Here is what the DHCP server is doing (read bottom up): TIME CONTENT 2025-02-18 07:31:45 AM [gateway:MAC ID] client[MAC ID CLIENT 1] client[MAC ID CLIENT 2]...