I bought a new Cisco C9115AXI-ECW and after 30 days, it will not power on. It worked fine throughout the 30 days. It quit working all of a sudden. It will not get power over POE or using power injector. It just died, no sign of power. This was purcha...

Do I need SmartnetNet License to use C9115AXI-EWC to manage 16 access points? We are adding 16 access points to one Cisco EWC but considering whether it worth buying a catalyst 9800 series controller or use one EWC.