How to set channel widths in Aruba Central (Nov 2023)

I’ve started playing with Aruba Central and AOS10 to check out how our Vocera badges function on it and to learn a little more about it so I can assist our customers when they need it. In general our badges have a very good voice experience on Aruba WLAN’s and I’ve been impressed with how smooth the audio is when roaming compared to some other WLAN vendors. But when it comes to Aruba Central I only seem to hear negative opinions about how hard it is to use.

Personally I had a very impressive experience with Aruba Central (with AOS8) when I had to rely heavily on it for an upgrade project during my brief employment at HPE in 2020. But I was only using a very small and particular piece of Central to rinse-and-repeat a multi-store upgrade. Yesterday when trying to configure something pretty fundamental to Wi-Fi, Channel Widths, I think I experienced the frustration others have with the interface, and no amount of Googling could find the answer in HPE Aruba’s documentation or anyone else’s. So here I am writing it up hoping this saves someone else the hour I spent searching, clicking and sighing.

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Why I dislike DFS channels, and you might too

As many of you know, I’m a voice guy. And in voice every millisecond counts. That is the main reason why I dislike DFS channels, because they introduce significant delay, which is lost time. But how bad can the lost time really be? And why do you care if you’re not running voice? Well folks, flick the lights on, pull the cover close and read on… it gets scary (yes, scarier than Ghost Frames™).

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