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I guess I'd try to see if a client was causing it (e.g. by stepping on others transmissions). Turn off everything you can that is using wifi there and see if it goes away - or see if you can match problems to a client coming and going. 

steve


On Tue, Jun 24, 2014 at 2:49 PM, Mike Kanfer <[log in to unmask]> wrote:
We have a wing in our school where Wifi was an issue for some of the just ended school year.  Thinking it was an AP issue we called Aerohive tech support and they found that in that wing, the AP's are experiencing CRC errors above 50% - one exceed 90%. (He said anything below 20% is OK.) The tech support person attributed it to RF interference from what he could see.  As far as we know nothing is different in the hallway from an infrastructure standpoint- including the building, lights, air handling etc.

Anyone have any ideas on how to measure/monitor the interference to try to track it down?

Thanks,

Mike

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