You can just do this to get rid of netplan so you can keep the normal Debian /etc/network/interfaces apt remove netplan.io apt install -y ifupdown Don't forget to actually populate /etc/network/interfaces now.........

You can find many ways to specify the VLANin your network configuration but Ifind this is the simplest and quickest. In this case we are talking about a bridged adapter "vmbr0" but it works even if you just had a normal non-bridged interface. The key here is that in vmbr0 you'll notice there is no IP address. We just specify "manual". Below it is a similar stanza for "vmbr0.58" in this case 58 represents the VLAN (change........