On Wed, 2024-01-31 at 22:12 -0600, David Wright wrote: > > I also have a more vague memory that you could put config into > > /etc/network/interfaces then in some circumstance NetworkManager > > would > > not try and manage that interface, and in others it would take > > over. > > (Perhaps selected by allow hotplug option in the ifupdown config?) > > That seems unlikely. Perhaps you're thinking of NM's ifupdown plugin > that allows you to use the configuration in /e/n/i. I'm assuming the > OP has not installed that in their sleep.
They wouldn't need to because it looks like it's shipped with the main network-manage package which contains various files with 'plugin' in their name, including libnm-settings-plugin-ifupdown.so. As we've seen from the OPs latest reply, the plugin is configured to not manage interfaces. -- Tixy