You might have some luck increasing retries on the devices which do this. If they block snmp for more than a few seconds at a time there's not really much of a way of solving that.

adam.

Sent from Mailbird [http://www.getmailbird.com/?utm_source=Mailbird&utm_medium=email&utm...] On 2018-07-06 09:10:06, Christian Eriksson christian.eriksson@advania.se wrote: This is due to HPE gear stops responding to SNMP from time to time. If you check the logs, does it say ” Device status changed to Down (snmp)”?   Regards Christian Från: observium observium-bounces@observium.org För Thomas Stather Skickat: den 6 juli 2018 09:56 Till: observium@observium.org Ämne: [Observium] how to avoid false-positives (device down/up), on HPE switches and Aruba APs   Hi

Observium: 18.1.9011 (stable, subscribtion)

We are monitoring our networking infrastructure with Observium and for a long time, i am seeing some false-positives. The poller period is 5 minutes and i.e. on 10:00am Observium reports a switch beeing down, where at 10:05am it reports it as beeing up again.

This happens to HPE network gear (switches) as well as to wireless APs (Aruba).

I set     $config['ping']['debug']   = TRUE;     $config['ping']['timeout'] = 500;       in config.php and will now monitor if that helps.

Is there anything else i can try to solve this issue?

Best, Thomas

-- Thomas Stather IT Services   VCP4, VCP6-DCV   Tel: +49 6221-486 628 Fax: +49 6221-486 561   ------------------------------------------------------------------------ Max Planck Institute for Medical Research (MPImF) Jahnstrasse 29, 69120 Heidelberg Germany