Mikrotik Fan Status check

This check monitors the fan status on a Mikrotik router to help prevent overheating and maintain performance.

Basic check information

  • Supported Systems/Application: SNMP-enabled devices that support the MIKROTIK-MIB

  • Device Class: SNMP - Router

Troubleshooting

  • Failed: Verify that the SNMP community string is correctly configured in Network Discovery.
  • 201 Exception OID_TYPE_NOSUCHOBJECT: The device is missing the required OID metric.

SNMP properties queried

  • Active fan: mtxrHlActiveFan (OID: 1.3.6.1.4.1.14988.1.1.3.9)

  • Fan 1 speed: mtxrHlFanSpeed1 (OID: 1.3.6.1.4.1.14988.1.1.3.17)

  • Fan 2 speed: mtxrHlFanSpeed2 (OID: 1.3.6.1.4.1.14988.1.1.3.18)

Calculations performed

  • Currently active fan: Fan returned as active from mtxrHlActiveFan
  • Fan 1 speed: Fan 1 speed from mtxrHlFanSpeed1 (RPM):
    • Pass: Greater than 3000
    • Fail: Less than 300
  • Fan 2 speed: Fan 1 speed from mtxrHlFanSpeed2 (RPM):
    • Pass: Greater than 3000
    • Fail: Less than 300