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ping response time consistency?

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  • kerin444
    Junior Member
    • Dec 2021
    • 4

    #1

    ping response time consistency?

    Hi all,
    I'm new to Zabbix and discovered a wonderful tool for monitoring.
    For now I'm only monitoring network devices (Mikrotik routers, switches), UPSs and VmWare Hypervisors and I have to say it's pretty.
    I'm also monitoring the internet connection through a simplecheck on 8.8.8.8 but noticed a lack of consistency in response time.
    Ping response time on 8.8.8.8

    I have an Internet connection with optic fiber link and radio backup and as my ping time is varying between 40ms and 160ms during the day, I first suspected the link to switch to radio and then come back to optic but it's not the case.
    Then I logged to my router and zabbix server to compare and it seems that even when the "zabbix simplecheck" is showing 160ms, a fping from console it showing 40ms and my router also confirm 40ms.
    Click image for larger version

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    Click image for larger version

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    Do you have any idea on what can cause this type of variation in zabbix?

    My config:
    Zabbix 5.4 installed on a Debian 11 VM (2 cores, 2Gb)
    fping is v5.0

    Thank you all for your help

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