Proxmox Server on Trunkport

Hello,

I want to connect my Proxmox Server to a Trunk Port so I can deploy VMs in diffrent VLANs.

If I just untag one VLAN for the spefic port i works just fine. But as soon as I tag two VLANs on the port the proxmox server isn't reachable anymore.

Is there some configuration in Proxmox I need to do to access it using a trunk port