Re: NetworkManager and systemd-networkd/systemd-resolved

[john doe <johndoe65534@mail.com>]

On 1/28/2020 9:28 AM, Christoph Pleger wrote:
> Hello,
>
> on my notebook computer, I have a WLAN interface that is managed with
> NetworkManager and a cable-bound network interface that gets its static
> IP address by a systemd-networkd configuration file. But as of course on
> a portable notebook the cable-bound network interface is not always
> connected, it is a additionally also managed by NetworkManager. Hostname
> resolution takes place through systemd-resolved, that is,
> /etc/resolv.conf is a symbolic link to
> /run/systemd/resolve/stub-resolv.conf .
>
> This all works fine so far, but when the cable-bound interface is not
> connected (that means, when NetworkManager de-activated the connection),
> the nameservers defined for that connection in the systemd-networkd
> configuration file are still in the active systemd-resolved
> configuration, as can be seen in the file
> /run/systemd/resolve/resolv.conf and in the output of "resolvectl
> status". Though this is - at least in my case with maximum of three
> nameservers - only a cosmetic problem, my goal is that the nameservers
> defined for the cable-bound connection disappear from the active
> systemd-resolved configuration when the cable is disconnected.
>
> Is it possible to realize such a combination of NetworkManager and
> systemd-networkd/systemd-resolved?
>
> Regards

Why are you using systemd-networkd/resolved if you have NM installed?

--
John Doe