> Services > Interface Health Service

Interface Health Service

The Interface Health service monitors the health of NIC interfaces using SNMP. This service collects inbound discards, inbound errors, outbound discards, outbound errors and outbound queue length from the generic RFC1213-MIB.

Service Type


Instances on a Device


Supported Systems/Applications

Any SNMP MIB-II Compliant Device (RFC1213-MIB or IF-MIB)

Device Class

Server - Generic, Workstation - Generic, Other, Printer, Scanner/Camera, Switch/Router, and Server - Windows

Monitored By

Windows Probes

Scan Interval

5 minutes

Monitored Interface

Select the the NICs or ports that you would like to monitor, identified by SNMP Index, Interface Name, or Interface Alias.

Hold down CTRL or SHIFT to select multiple NICs or ports.


MSP N-central services use Reverse Polish Notation (RPN) for all calculation formulae.

Metric Name



Inbound Discards

Calculation: Sample2 - Sample1


Inbound Errors

Calculation: Sample2 - Sample1


Outbound Discards

Calculation: Sample2 - Sample1


Outbound Errors

Calculation: Sample2 - Sample1


Administrative Status


Operational Status

Mapped as follows:

  • Normal: 1, 5
  • Warning: 2
  • Failed: 3, 4, 6, 7


  • 1: Up
  • 2: Down
  • 3: Testing
  • 4: Unknown
  • 5: Dormant
  • 6: Not Present
  • 7: Lower Layer Down

Operational Status Description


Describes the operational status:

  • Up
  • Down
  • Testing
  • Unknown
  • Dormant
  • Not Present
  • Lower Layer Down

Detected Port Speed

Indicates the interface's current bandwidth in bits per second.