Ping spikes on LAN



  • Hi, I have ping spikes every few minutes on the LAN side and I do not know why. There is little traffic on the LAN side, CPU is ~1-2% usage, I have disable all offloading features, disabled/enabled PowerD. Sometimes it spikes after 1-2 hours once or twice. Tried to play some games on Geforce Now and every time it spikes the game freezes, sometimes its unplayable. On clients with 10Gb/s connections we can max our WAN's and there are no spikes, ping is <1ms. If we ping our WAN addresses from outside there are no spikes.

    Supermicro X11SSL-F
    CPU: E3-1230 v6
    RAM: 4GB (17% usage)
    Storage: SSD Kingston 120GB (6% usage)
    WAN: 2 x 1Gb/s - I210-AT (Load Balance 1Gb/s)
    LAN: Intel X520-DA2 with 4 vlans
    Switch DLink DGS-1510-52

    PfSense 2.4.4 P3
    Packages

    • acme
    • haproxy
    • iperf
    • ntopng
    • mailreport
    • nmap
    • openvpn-client-export
    • zabbix-agent44

    192.168.100.1 is the LAN interface

    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time=1620ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time=756ms TTL=64
    Reply from 192.168.100.1: bytes=32 time=602ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time=1485ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64
    Reply from 192.168.100.1: bytes=32 time<1ms TTL=64

    d83d10ae-e0ca-4fbf-a8a9-67968e964635-image.png



  • The problem is fixed after removing ntopng.
    No more spikes.

    Thank you


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