Most have ISPs requested to know the meaning of the following terms: User-Request (1) - Normal user-initiated logout/disconnect Lost-Carrier (2) - Lost carrier signal/physical connection dropped Lost-Service (3) - Lost service/network connectivity issues Idle-Timeout (4) - Session idle timeout reached Session-Timeout (5) - Maximum session time reached Admin-Reset (6) - Administrator-initiated disconnect Admin-Reboot (7) - System admin reboot Port-Error (8) - Port error/failure NAS-Error (9) - Mikrotik (Network Access Server) error NAS-Request (10) - Mikrotik-initiated disconnect NAS-Reboot (11) - Mikrotik reboot Port-Unneeded (12) - Port no longer needed Port-Preempted (13) - Port disconnected for higher priority Port-Suspended (14) - Port suspended Service-Unavailable (15) - Service unavailable Callback (16) - Callback disconnect User-Error (17) - User error/authentication failure Host-Request (18) - Host system requested disconnect