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    Gateway : increased ping latency depending on the ESXi version from the web interface (not from SSH)

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    • G
      gauthi3r
      last edited by gauthi3r

      Hello everyone,

      I am currently experiencing a somewhat strange problem that I cannot fully understand.

      the context :

      • ESXi host: Supermicro SYS-E300-8D
      • Firewall Virtual Appliance: PfSense 2.4.4-P3
      • Tested with E1000E and VMXNET3 for network interface same issue
      • Supermicro SYS-E300-8D BIOS and Firmware are up to date
      • Vmtools Ok

      The problem:

      I regularly update my ESXi host by following vmware updates. Since I updated 14141615 I have a problem with the latency of my FTTH gateway. The latest version of ESXi with which I have no problem is version 13981272.
      Following various tests, I determined that the problem was most likely software and related to the way pfsense displays gateway monitoring.

      my normal ping latency is between 6.6 to 7ms.

      when i have the problem, my latency ping is very unstable (between 6.6ms to 18ms !)

      Here are two screenshots:

      The first with last esxi build 151xxxxxx the problem between latency from webui and latency from ssh ping :

      https://i.imgur.com/TgUHs9A.png

      The second with the esxi build 13981272 with no difference between latency from webui and from ssh ping :

      https://i.imgur.com/AIbMguK.jpg

      Others things :

      • My 2 cisco switches are up to date
      • About the screens my firewall ip is : 172.16.2.1 and DNS is firewall.house.lan
      • The bug appear only with my Supermicro SYS-E300-8D with build 14141615 minimum.
      • No matter which build of ESXi is used haven’t the bug with my second ESXi (Dell hardware).

      On my Supermicro SYS-E300-8D with ESXi build at least 14141615 :

      • I have the same bug on fresh installation of PfSense 2.4.4-P3
      • I have the same bug on fresh beta installation of PfSense 2.5.0 DEV
      • I have the same bug on fresh installation of OPNSense (fork of PfSense – maybe the both firewall use the same code for gateway monitoring).

      I have no other ideas to solve my problem except stay on build 13981272.
      With the screen I’m sure isn’t a pure networking problem or network driver problem and maybe a pfsense bug ?

      Thanks you for your help !

      1 Reply Last reply Reply Quote 0
      • awebsterA
        awebster
        last edited by

        Because you say that you don't have the problem on a similar Dell server running the same version of ESXi, it sounds to me like it might be a physical NIC driver problem in the update of ESXi on your Supermicro server.

        –A.

        1 Reply Last reply Reply Quote 0
        • G
          gauthi3r
          last edited by

          Hi awebster,

          you're right, i have solved my issue. the origin of my problem is in igbn driver. with the vmlinux driver "igb" all is fine.

          you can find all details here : https://communities.vmware.com/message/2905942#2905942

          thanks for your reply

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