I’d also recommend using a local caching dns on the observium system.

Adam.

From: observium <observium-bounces@observium.org> On Behalf Of Mike Stupalov via observium
Sent: 02 June 2021 13:28
To: Observium <observium@observium.org>; Pisano, Anthony D. via observium <observium@observium.org>
Cc: Mike Stupalov <mike@observium.org>
Subject: Re: [Observium] Option to Ignore Device Down due to DNS failure

Hi,

 use alert checker conditions like this:

device_status eq 0
device_status_type ne dns

Pisano, Anthony D. via observium wrote on 01.06.2021 19:11:

Hello,

We have had a couple incidents where for one reason or another Observium has been unable to resolve DNS.

This generates hundreds of emails saying the entire network is down, and again when it comes back up.

Is there a way to tell Observium not to alert when a device is failed due to DNS lookup?

Anthony Pisano | Network Design Engineer | IMSS
anthony.pisano@caltech.edu | (626) 395-4255 | Caltech | caltech.edu

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Mike Stupalov
Observium Limited, http://observium.org