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Home > Success Center > Network Performance Monitor (NPM) > UnDP for ifOperStatus OID is not polling

UnDP for ifOperStatus OID is not polling

Updated 24th Aug 2017    


Universal Device Poller (UnDP) for the ifOperStatus OID is not polling, or polls only partially.

  • Example A: Device has 24 interfaces, yet only 2 interfaces are being polled in UnDP.
  • Example B: Device has 24 interfaces, yet 0 interfaces are being polled in UnDP 


  • NPM


The issue occurs only for the ifOperStatus OID.

The limitation is by design to ensure that users do not bypass license limitations using a UnDP. For example, with a SL250 license, you shouldn't be able to bypass the limit and monitor more interfaces via the UnDP.

Ifoperstatus is polled out-of-the-box for interfaces, so you do not need to poll from it from UnDP.


Polling ifOperStatus requires that the interface is monitored in NPM.

To poll ifOperStatus using a UnDP:

  1. Add the node to NPM for monitoring.
  2. List resources for the node, and add interfaces.
  3. Re-test UnDP, the test should be successful now.
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