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I've been asked to configure a 9800-L-F WLC, and even though the rommon has been updated to the 16.12-3r version, I am astonished at how noisy the fans are. They seem so much noiser than other models of 3504 or 9800 WLCs. Are there any cli commands t...
I did a bit more investigation, I removed the cover to look at the fans. There is a pair of Delta BFB0512VHD fans in place. Fairly basic 12v fans, but the fan speed is controlled by a Pulse Width Modulator (PWM) which means this is software controll...