Why is there no data collection (displayed as NA) at the interfaces, but still getting OID response in IF-MIB? 

The data collection failure at an interface may occur due to the following reasons:

  • The credentials may not have been properly associated with the device. Use the Test Credentials option to check if the selected credentials were associated properly.
  • The selected interface may be in the Unmanaged state. Data collection will be stopped if the devices are moved to the unmanaged state. For more information on why interfaces are moved to unmanaged state, visit https://www.manageengine.com/network-monitoring/faq/why-some-interfaces-unmanaged.html
  • There may be issues with the OIDs provided. Check the response of the given OID using the MIB Browser. Please refer https://www.manageengine.com/network-monitoring/faq/interface-report-formulas.html to know more about the functional OIDs and interface data calculation.
  • The status polling configuration may be incorrect. Choosing the wrong method will end up in stagnant data collection. OpManager generally uses the IP address of a device for status polling. But, in places where devices are implemented with dynamic IP address, you can configure OpManager to conduct status polling using the DNS name of the device.
  • Newly discovered interfaces will not have any data to display. In OpManager, the default polling interval for an interface is 15 minutes. Which means that no data will be available until the first polling is completed.



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