Uploaded image for project: 'ZABBIX BUGS AND ISSUES'
  1. ZABBIX BUGS AND ISSUES
  2. ZBX-19564

Zabbix simple check reports false packet loss

    XMLWordPrintable

Details

    • Incident report
    • Resolution: Incomplete
    • Trivial
    • None
    • 4.0.31
    • Proxy (P), Server (S)
    • None

    Description

      Environment: Zabbix 4.4.10 on CentOS 8

      Zabbix reports ocasional icmp packet loss for random hosts. Turning on debugging for icmp pollers show that fping reports no packet loss, but zabbix proxy somehow misinterprets it.

      Values from latest data (icmp poacket loss)
      2021-06-03 17:11:48 0
      2021-06-03 17:10:48 100
      2021-06-03 17:09:48 0

      proxy log
       1536:20210603:170944.496 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1536:20210603:170944.496 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1536:20210603:170944.496 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1536:20210603:170944.496 In add_pinger_host() addr:'1.1.1.1'
        1536:20210603:170944.496 In add_pinger_host() addr:'1.1.1.1'
        1536:20210603:170944.496 In add_pinger_host() addr:'1.1.1.1'
        1536:20210603:170944.496     1.1.1.1
        1536:20210603:170944.511 read line [1.1.1.1 : [0], 92 bytes, 6.31 ms (6.31 avg, 0% loss)]
        1536:20210603:170945.510 read line [1.1.1.1 : [1], 92 bytes, 5.74 ms (6.02 avg, 0% loss)]
        1536:20210603:170946.511 read line [1.1.1.1 : [2], 92 bytes, 5.86 ms (5.97 avg, 0% loss)]
        1536:20210603:170947.512 read line [1.1.1.1 : [3], 92 bytes, 6.10 ms (6.00 avg, 0% loss)]
        1536:20210603:170948.513 read line [1.1.1.1 : [4], 92 bytes, 6.06 ms (6.01 avg, 0% loss)]
        1536:20210603:170948.513 read line [1.1.1.1 : 6.31 5.74 5.86 6.10 6.06]
        1536:20210603:170948.514 host [1.1.1.1] cnt=5 rcv=5 min=0.005740 max=0.006310 sum=0.030070 
       1525:20210603:171044.027 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1525:20210603:171044.027 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1525:20210603:171044.027 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1525:20210603:171044.027 In add_pinger_host() addr:'1.1.1.1'
        1525:20210603:171044.027 In add_pinger_host() addr:'1.1.1.1'
        1525:20210603:171044.027 In add_pinger_host() addr:'1.1.1.1'
        1525:20210603:171044.028     1.1.1.1
        1525:20210603:171044.042 read line [1.1.1.1 : [0], 92 bytes, 6.21 ms (6.21 avg, 0% loss)]
        1525:20210603:171045.042 read line [1.1.1.1 : [1], 92 bytes, 6.49 ms (6.35 avg, 0% loss)]
        1525:20210603:171046.042 read line [1.1.1.1 : [2], 92 bytes, 5.78 ms (6.16 avg, 0% loss)]
        1525:20210603:171047.042 read line [1.1.1.1 : [3], 92 bytes, 5.87 ms (6.08 avg, 0% loss)]
        1525:20210603:171048.043 read line [1.1.1.1 : [4], 92 bytes, 6.01 ms (6.07 avg, 0% loss)]
        1525:20210603:171048.043 read line [1.1.1.1 : 6.21 6.49 5.78 5.87 6.01]
        1525:20210603:171048.043 host [1.1.1.1] cnt=5 rcv=5 min=0.005780 max=0.006490 sum=0.030360
        1539:20210603:171144.317 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1539:20210603:171144.317 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1539:20210603:171144.317 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1539:20210603:171144.317 In add_pinger_host() addr:'1.1.1.1'
        1539:20210603:171144.317 In add_pinger_host() addr:'1.1.1.1'
        1539:20210603:171144.317 In add_pinger_host() addr:'1.1.1.1'
        1539:20210603:171144.317     1.1.1.1
        1539:20210603:171144.335 read line [1.1.1.1 : [0], 92 bytes, 5.85 ms (5.85 avg, 0% loss)]
        1539:20210603:171145.336 read line [1.1.1.1 : [1], 92 bytes, 5.82 ms (5.83 avg, 0% loss)]
        1539:20210603:171146.339 read line [1.1.1.1 : [2], 92 bytes, 6.34 ms (6.00 avg, 0% loss)]
        1539:20210603:171147.338 read line [1.1.1.1 : [3], 92 bytes, 5.81 ms (5.95 avg, 0% loss)]
        1539:20210603:171148.340 read line [1.1.1.1 : [4], 92 bytes, 5.67 ms (5.89 avg, 0% loss)]
        1539:20210603:171148.340 read line [1.1.1.1 : 5.85 5.82 6.34 5.81 5.67]
        1539:20210603:171148.341 host [1.1.1.1] cnt=5 rcv=5 min=0.005670 max=0.006340 sum=0.029490
        1529:20210603:171244.201 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1529:20210603:171244.201 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1529:20210603:171244.201 In add_icmpping_item() addr:'1.1.1.1' count:5 interval:0 size:64 timeout:0
        1529:20210603:171244.201 In add_pinger_host() addr:'1.1.1.1'
        1529:20210603:171244.201 In add_pinger_host() addr:'1.1.1.1'
        1529:20210603:171244.201 In add_pinger_host() addr:'1.1.1.1'
        1529:20210603:171244.202     1.1.1.1
        1529:20210603:171244.218 read line [1.1.1.1 : [0], 92 bytes, 5.86 ms (5.86 avg, 0% loss)]
        1529:20210603:171245.218 read line [1.1.1.1 : [1], 92 bytes, 6.06 ms (5.96 avg, 0% loss)]
        1529:20210603:171246.219 read line [1.1.1.1 : [2], 92 bytes, 5.85 ms (5.92 avg, 0% loss)]
        1529:20210603:171247.220 read line [1.1.1.1 : [3], 92 bytes, 6.19 ms (5.99 avg, 0% loss)]
        1529:20210603:171248.220 read line [1.1.1.1 : [4], 92 bytes, 5.95 ms (5.98 avg, 0% loss)]
        1529:20210603:171249.215 read line [1.1.1.1 : 5.86 6.06 5.85 6.19 5.95]
        1529:20210603:171249.215 host [1.1.1.1] cnt=5 rcv=5 min=0.005850 max=0.006190 sum=0.029910
      
      

      Attachments

        Activity

          People

            edgar.akhmetshin Edgar Akhmetshin
            zmejs Raimonds Treimanis
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: