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    PfSense 2.2 not passing traffic, but ping does get through

    Scheduled Pinned Locked Moved Virtualization
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    • O
      openaspace @Bullz3y3
      last edited by

      @Bullz3y3 Hello..
      here same situation... really frustrating..

      I have tried any kind of network card in proxmox.. can't reach internet from the virtual lan.

      If start all lan virtual machines and I reboot the pfsense.. all works.. if i restart a lan VM with pfesense running, no internet connection...

      ooh s***!!!

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      • DerelictD
        Derelict LAYER 8 Netgate
        last edited by

        My entire lab is in proxmox. Works absolutely fine.

        It is key to disable the checksum offloads or you won't be able to pass traffic reliable becasue the checksums will fail due to the way the networking stack in proxmox/kvm works. This is not an uncommon requirement in other hypervisors either.

        Screen Shot 2019-11-06 at 6.35.12 AM.png

        Chattanooga, Tennessee, USA
        A comprehensive network diagram is worth 10,000 words and 15 conference calls.
        DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
        Do Not Chat For Help! NO_WAN_EGRESS(TM)

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        • O
          openaspace
          last edited by openaspace

          But it is the first setting that i have made on pfsense after installation..
          I have tried to change the network type..and nothing.. and the fact is that this error replicate in any other proxmox host installation....

          go go jasango pro - System  Advanced  Networking.jpg

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          • DerelictD
            Derelict LAYER 8 Netgate
            last edited by

            I do not have such problems. Those settings should only be needed on guests that actually pass traffic through them.

            I have never needed to do anything special on guests that simply transmit and receive traffic on one interface (Linux, Windows, FreeBSD, etc).

            Screen Shot 2019-11-06 at 6.50.15 AM.png

            Chattanooga, Tennessee, USA
            A comprehensive network diagram is worth 10,000 words and 15 conference calls.
            DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
            Do Not Chat For Help! NO_WAN_EGRESS(TM)

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            • O
              openaspace
              last edited by

              px - Proxmox Virtual Environment.jpg

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              • DerelictD
                Derelict LAYER 8 Netgate
                last edited by

                No idea about e1000. I always use virtio.

                I do know that these checksum issues were completely absent in XenServer when you disabled PV NICs but you had to tweak the VM interfaces to not use checksums if you used PV NICs so what you have might behave completely different from what I am doing.

                Chattanooga, Tennessee, USA
                A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                Do Not Chat For Help! NO_WAN_EGRESS(TM)

                O 1 Reply Last reply Reply Quote 0
                • O
                  openaspace
                  last edited by

                  e1000 is only one of the test changing ethernet card type.
                  I was using virtio first.. same problem

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                  • O
                    openaspace
                    last edited by

                    if I apply the reboot with re-run startup sequences all works newly in the lan...
                    really strange

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                    • O
                      openaspace @Derelict
                      last edited by

                      @Derelict installed now windows 10, and don't have the network problem that affect linux vps...

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                      • M
                        marcelleung @Bullz3y3
                        last edited by marcelleung

                        @bullz3y3 Have same issue in 2021, and fixed by changing the Network Type from Virtio to e1000 also. Your finding in 2015 is still helping others. Thanks.

                        My case is having a PCI Passthrough WAN, and 2 bridge LAN, hosted on KVM on debian 10

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