Dear team! When our system upgrade IOS of router 2921 with - c2900-universalk9-mz.SPA.151-4.M4 to c2900-universalk9-mz.SPA.154-3.M2. after some time my router auto reboot but when i rollback IOS c2900-universalk9-mz.SPA.151-4.M4 my Router continues auto reboot. I don't understand why my router is rebooting. please explain help me! thanks all.
... View more