If the Router doesn't understand VLANs, then Router's traffic will default on the default untagged VLAN (Default ID: 1).
You can configure the untagged VID in Proxmox for the NIC, or add another Virtual NIC and set that as untagged instead.
Ever since Proxmox VE started requesting / recommending the installation of proxmox-offline-mirror-docs / proxmox-offline-mirror-helper (either as Dependency or as recommended Packages), I had all Clients failing to download these Packages via...
Well, for some weird Reason the -I include Directive didn't seem to work.
Editing the File /var/lib/dkms/kernel-mft-dkms/4.22.1/build/mst_backward_compatibility/mst_pci/mst_pci_bc.c manually and prexing the Paths with ../../nnt_driver/ did the...
Just install Proxmox VE on top of Debian Trixie :) .
I've been doing that for several Years now since I also had VGA Issues back in the Days.
Script Set is by no means perfect but it works well enough for me.
Configure based on Example...
For me it's not so much about RAM as it's about Disk Space.
RAM wise I agree that with Dynamic Memory Management (VM Memory using Balloon Feature) it works already much better.
I use podman (rootless) instead of docker.
As a Reference Point...