How to ignore a specific port/interface of a Mikrotik device or any Device for a specific Alert Rule in librenms?

how to ignore a specific port/interface of a Mikrotik device for a specific Alert Rule in librenms?

two ways

  1. Disable alerting on the interface (applies to all rules)
  2. Branch out your alert rule with And statements that excludes specific ports of a Mikrotik device.

"Hi,
Sorry for the delayed response.
As per your suggestion, could you please share the steps?

Depends which way you’re after.

The easy way and the way i do it is

Go to the device > Cog (Settings) > Port Settings > Tick “Ignore Alert Tag”

This will stop any alerting from this port. it will polls and pulls statstics ect. This way i only have alerting on specific ports i need monitored.

I tried this setting earlier but it’s not working.

Because the SFP port had the SFP module installed, when the port went down, I received an alert for Fiber Port Down.

No idea sorry, this works for my case even on SFP ports. By enabling ‘Ignore Alert Tag’ on ports I don’t want alerting I then don’t get any alerts to trigger from those ports. I have many examples where this method works.

Having an SFP module in a port wont have any effect for if this ignore alert tag feature works or doesn’t, as LibreNMS treats it as an interface like all others anyway with or without an SFP module.

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