ER8411

Top switch is sx3008, all other switches are sg3* series. None support OSPF in controller mode, nor am I interested in doing it on the switches at this point. It works on the er8411 in stand alone mode, why has tp-link not incorporated it in controller mode?

I have a TP-Link ER8411. I certainly wouldn't classify it as "a basic consumer grade router".One thing I've learned is that many of the TP-Link equipment have features that are not available if you use the Omada controller to manage them. It sucks, because the Router itself has DNS capabilities, but

Nope, not accurate. I have an OC300 paired with an ER8411 (top most powerful router). tp-link even confirms in multiple places that none of the routers can do it in controller mode, but gives no reason why this limitation. Outside of features being stripped out of the oc200 due to memory and cpu con

I'd suggest you run this by AI yourself for a comparison. Each has its strengths and a detailed comparison would help you decide, based on your particular needs. Also, a lot depends on what those 100 employees are doing in terms of network workload and resources being used within the network as well