I’ve just switched from Fedora to Debian 12 and I can’t seem to get bridge networking to work. I’ve followed the official guide and edited the /etc/network/interfaces. I double checked and everything is correct. I rebooted the system but my ethernet stopped working altogether. Are there any updated guides and common pitfalls that I should keep in mind. I need the bridge for kvm.
Yes I tried that but the VMs still can’t connect to it. I did the same setup as in Fedora but it doesn’t work
I can’t find my notes on how I got this to work on Debian 11 but, if I recall correctly, I had to disable NetworkManager and setup networking directly via /etc/network/interfaces. I no longer have Debian running but at the time this worked for me:
source /etc/network/interfaces.d/* # The loopback network interface auto lo iface lo inet loopback # The primary network interface # allow-hotplug eno1 auto br0 iface br0 inet dhcp bridge_ports eno1