As Leo mentioned the best way to do this is assigning the WLC's and their IP's under the high availa...

You will find that the channels will change more frequently in the 2.4GHz band compare to the 5GHz d...

In the GUI, under Administration > Command Line Interface run the following commands and provide the...

What model 9800 are you running?

The reason why I suggested to take the NPS path as the WLC won't be able to do this task.

You can use the Windows NPS services to be your RADIUS server and integrate this with your WLC. Ther...

Not the 9120's, check the datasheet, they still operate at 13.4W but with 1x1 radios in dual-band. F...

Do a show power inline on the switch the AP is connected and that should indicate the amount of powe...

Does your colleague use the same power injectors as what you are using and can you confirm the model...

Can you confirm if the AP is connected to PoE+ switches? It seems that the AP's are not getting enou...

Can you run the following command on the RF profile you currently have applied to the AP's?C9800# sh...

Is this AP by any chance connected to a different model switch than the other AP's? If the AP is con...

I suggest you follow the Field Notice @rrudling mentioned.