Monitoring the Health and Status of Your Infrastructure : Interface Health calculation
  
Interface Health calculation
Interface Health is an interface-level calculation derived from threshold violations of the input metrics.
 
Input metric
No samples
No violations
Minor
Major
Critical
Incoming interface discard rate
>1
>5
Outgoing interface discard rate
>1
>5
Incoming interface error rate
>1
>5
Outgoing interface error rate
>1
>5
Incoming interface utilization
>75
>90
Outgoing interface utilization
>75
>90
CoS Based Incoming Utilization
>75
>90
CoS Based Outgoing Utilization
>75
>90
Aggregate Metric Output
Interface Health
Unknown
Healthy
Degraded
Critical
Down