@alexi82 Just to clarify, you say that you turned DHCP off on the OC300. I personally would leave DHCP on for the OC300.for now so it gets assigned by your router. What ip address are you typing into...

@Hank21 thanks I just responded to them. I have temporily switched hardware to test as replacement for the Omada system so I was not in the position to see if the problem persisted. I have the Omada...

@ATC23-IT-PH I know you said you rebooted the AP but have you tried forgetting it in the controller and also hard resetting it?

@ATC23-IT-PH First I am unfamiliar with configuring a backup router but can see two routers, both set up as DHCP servers, causing issues. So on the secondary router, look in the configuration for...

@ATC23-IT-PH Can you layout a topology so we can see where the router was added? Is it maybe acting as DHCP server and somehow broken the wired path you originally had on that AP? Just throwing out...

@towo I would personally start by performing a reset on the AP in question.