this post was submitted on 28 May 2024
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36
VLAN question (lemmy.world)
submitted 5 months ago* (last edited 5 months ago) by peregus@lemmy.world to c/selfhosted@lemmy.world
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I've finally been connected to a fiber connection 2,5/1Gbps! 🥳 Now I want to share my connection with my neighbor and so I've installed 3 PCIx dual 1GB nic (I'm out of PCIe slots 🤷‍♂️).

The connections comes from my OPNsense to the server (Proxmox) via a 10Gbps fiber connection.

I want OPNsense to take car of firewalling dividing the neighbor networks with VLANs. The OPNsense part is done and working, I need to assign to each of the 6 1Gbps NIC each VLAN.

I've tagged the traffic going into the server via the fiber connection, but now how can I assign each VLAN to each NIC? Thanks!

Edit: Proxmox has nothing to do in the equation, it just happens to be on the same server where the NICs are.

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[–] invisiblegorilla@sh.itjust.works 1 points 5 months ago* (last edited 5 months ago) (1 children)

Vmbr0 should be your VLAN aware bridge. You create this in the pve networking dashboard.

Then create vmbr0_101 (where 101 is your vlan). Also create vbmr0_102, and so on.

Assign those vmbr0_xxx to each of the VMs.

If you host all the VM's on the same box, create all the vmbr0_xyz in the pve dash, and in each VM/container>networking assign it.

[–] peregus@lemmy.world 1 points 5 months ago (1 children)

I don't need to assign VLANs to VMs, I need to assign them to 6 phisical NICs (tha fact that they are installed in the same machine where there is Proxmox is irrelevant).

[–] 4am@lemm.ee 3 points 5 months ago (2 children)

If Proxmox is already installed on the machine, how are you running OPNSense? If it’s not bare metal, it’s a VM, and if it’s a VM it needs Proxmox’s virtual NICs to be VLAN aware, unless you are doing PCI pass through of the entire network card.

[–] HybridSarcasm@lemmy.world 1 points 5 months ago

Would they have to be VLAN aware if the switch port was already tagged AND if OP doesn’t care to consider untagged traffic ?

[–] peregus@lemmy.world 1 points 5 months ago

OPNsense is in one PC (and it only works as router/firewall), Proxmox is on another PC with all the NICs and Proxmos and it will also work as switch.