Spoke with Cisco support on Friday. There is a bug that in the v26 firmware that is being worked. We had Cisco revert our APs back to firmware 25.14, which is the latest 25x firmware. That has fixed the problem. You will need to contact support to have them revert back and then peg each AP to that version until Cisco has a fix. ... View more

We are having the same issue and I'm seeing it with multiple customers, including our own APs. We have made Cisco recommended changes but it's only reduced the problem and not fixed it. It's obviously some kind of bug in the firmware that was introduced in more recent firmware revisions. Very disappointing.  ... View more