What is normally the issue with a controller going up and down? LOF - Telco or CPE
This is on a 3825 ISR.
Jun 17 09:08:40: %CONTROLLER-5-UPDOWN: Controller T1 2/0/1, changed state to dow
n (LOF detected)
Jun 17 09:08:41: %CONTROLLER-5-UPDOWN: Controller T1 2/0/1, changed state to up
Jun 17 09:08:48: %CONTROLLER-5-UPDOWN: Controller T1 2/0/1, changed state to dow
n (LOF detected)