Chapter 6 Deploying Wireless Networks : Wireless network monitoring : Monitoring rogue APs
  
Monitoring rogue APs
The access point radio equipment can scan for other available access points, either as a dedicated monitor or in idle periods during AP operation.
Discovered access points are listed in the Rogue AP Monitor list. You can then mark them as either Accepted or Rogue access points. This designation helps you to track access points. It does not affect anyone’s ability to use these access points.
It is also possible to suppress rogue APs. See “Suppressing rogue APs”.