Please refer :http://jgiam.com/2012/07/06/setting-up-a-repeater-bridge-with-dd-wrt-and-d-link-dir-600

    

Please Refer :http://www.cisco.com/c/en/us/support/docs/wireless/4400-series-wireless-lan-controllers/99948-lap-notjoin-wlc-tshoot.htmlhttps://supportforums.cisco.com/document/69341/ap-fails-join-controller-lap-fails-join-wireless-lan-controller-wlc

 The Reset button on the front panel of the controller becomes active after the controller boots. To reset the controller using the Reset button, follow these steps:Step 1 Connect a PC to the controller console point.Step 2 Press and hold the Reset b...