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Zabbix server unavailable & SNMP failure

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  • musc
    Junior Member
    • Jul 2024
    • 4

    #1

    Zabbix server unavailable & SNMP failure

    Hello all,

    Recently I faced a strange issue with my zabbix server.
    Yesterday, the server at two different random times (afternoon and evening) sent me a notification that all SNMP connections had failed and disconnected ("No SNMP data received")

    I checked the GUI and ssh services and for some minutes were down. Then, after 15 minutes it recovered alone.

    Also, I checked the server's statistics and you can see them below:

    Click image for larger version

Name:	image.png
Views:	159
Size:	41.9 KB
ID:	486735

    Click image for larger version

Name:	image.png
Views:	227
Size:	62.3 KB
ID:	486734

    See below the issues that started around 23:01 when I got notification that server stopped receiving SNMP:

    Click image for larger version

Name:	image.png
Views:	146
Size:	23.3 KB
ID:	486736

    Can you please guide me on the root cause of this issue? This happened once a month but yesterday alone happened 2 times.
    The Zabbix server is a VM sitting on ESXi host with 4 CPU and 8GB RAM.​​
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