Which alarm level does mid-low end router port UP/DOWN information at Syslog belong to?
At eight levels of syslog, the link disrupts or the port UP/DOWN matches the third level (Critical, key fault). At network management it is important alarm.
Eight priority of syslog is defind as follows, emergencies stands for level 1 and debugging level eight.
emergencies extreme urgent fault
alerts the fault needing rectification
critical critical fault
errors fault needing attention