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Re: Permanent Use of IPv4




	Hi.

On Fri, Feb 15, 2019 at 10:14:10PM +0100, Pascal Hambourg wrote:
> Le 15/02/2019 à 17:48, Reco a écrit :
> > 
> > Why it is safe - because systemd configures NICs first, starts services
> > next, and then applies kernel knobs (aka sysctl).
> 
> Are you sure ? AFAICS, sysctl is started before networking, and NICs may be
> configured asynchronously if they have allow-auto.

Now that you're asking it - no, I'm not sure.
I guess I've used to specifying assorted net.ipv4.* settings for VLAN
interfaces that do not exist yet at system's boot, as it "works for
me"™.

Reco