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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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