The discovery process enables some components that are actually not in the system, but that’s an unfortunate side effect of how the MIBs are processed by the Juniper device. However, to mitigate this I edit the device and disable the alert for the components that are seen as “unknown”, as shown here:
However, once I activate the alert rule, the alert is actually triggered for these components:
Do I need to specify something more in the alert rule so that it doesn’t trigger devices that have the alert set to “off”?
Here is the rule in question: