Steve, thanks for the feedback! You bring up a good point about the potential for an RSSI threshold difference between tools -- where one tool might use one value, while the Cisco APs use another to calculate the channel utilization.
I guess I'm still facing the same question as before though: How is the reported Channel Utilization number derived on the Cisco APs? Is it a timed average (such as a 5-second or a 60-second average), or is it a high-level watermark over the last N seconds?
I really want to know the answer to this, so if anyone knows for certain please let us know!
Regards, Markus V | Blog
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