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    Proxmox, VMs and VLANs

    L2/Switching/VLANs
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    • CreationGuyC
      CreationGuy
      last edited by

      I have built a proxmox system. It is VLAN aware. The system is plugged into port 15, that port is configured as shown below in the screen shot. I from VLAN 10 (which the firewall rules allow for this) I can reach the proxmox system. I turned on one of the VM's configured for VLAN 30 and it will NOT grab a DHCP. FW rules do not block it from DHCP, DHCP is set up on pfsense for 30.

      If I tag that port with 10,20,30 I cannot reach the system at all.... Port 13 for reference is my WAP that has 2 SSIDs, one with VLAN 10, and 200.

      ss15.PNG

      CreationGuyC J 2 Replies Last reply Reply Quote 0
      • CreationGuyC
        CreationGuy @CreationGuy
        last edited by

        If I tag port 15 with just 30, then the VMs tagged with 30 in PVE get an IP, but if I tag the port with say 10 and 30, I can no longer reach the PVE server.

        V 1 Reply Last reply Reply Quote 0
        • V
          viragomann @CreationGuy
          last edited by

          @creationguy
          The switch configuration seems pretty weird.
          Setting the same port tagged and untagged makes no sense at all.
          Remove the untagged VLANs from it.

          Also you might not need a PVID on this port.

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          • J
            Jarhead @CreationGuy
            last edited by

            @creationguy You don't typically untag more than one vlan on a port. While vlan 20 'should' work on that port, the others definitely won't as the device plugged in wouldn't be tagged so all egress traffic would go out on vlan 20 (pvid).

            Just think it through, Trunk ports carry vlans to where you need them.
            Access Ports let you use those vlans.
            Have to assume port 24 goes to pfSense, then just untag the ports as you need them with just the vlan needed.
            If you need to carry the vlans to another device, use a trunk and tag the vlans needed on it, then untag ports that will use each specific vlan.

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