I apologize for resurrecting this old post, but did anyone ever figure out what the issue was? I basically have the same issue.  A rogue AP with a hidden SSID, showing 2100 different broadcast MACs.  This AP has been seen by almost all our APs across 4 floors.  There are 2 wired MACs one for Meraki and the other for a users iMac.  I checked the iMac, sharing is turned off, we also completely disabled the wifi and the rogue AP is still there.   I am out of ideas and am starting to wonder if its the Merakis themselves. ... View more