In the controller Ensure that RFID tag tracking is enabled in each controller. In WCS enable tag polling within the Location Appliance settings. In WCS make sure 'Show 802.11 Tags' is selected from the dropdown View menu in the Network Diagram's floor map view.
By default, RFID asset tag tracking is not enabled. This feature needs to be turned on in each controller for the 2700 to be able to track tag location. To enable this feature, telnet or SSH into the controller and use the 'config rfid status enable ' command from the CLI.