Re: How to configure a DHCP + (2nd) Static address (eg on eth0+eth0:0)?

[Dan Williams <dcbw redhat com>]

On Wed, 2015-09-30 at 12:25 -0400, Derek Atkins wrote:
> Dan,
>
> Dan Williams <dcbw redhat com> writes:
>
> > > Could you explain more detail on how to add "label xxx" to the nmcli
> > > command (which you inconveniently cut out of your reply, so I've
> > > included it below)?  I cannot find any reference to "label" in the nmcli
> > > documentation.
> > >
> > >   nmcli con mod "Wired connection 1" +ipv4.addresses "192.168.x.y/24"
> >
> > If you really do need address labels (eg, interface aliases) then
> > NetworkManager has limited support for them.  If you don't truly need
> > address labels, then I wouldn't use them.  Anyway, NM supports address
> > labels, but only when they are set via ifcfg "alias" files.  They
> > currently cannot be added via nmcli or set via the 'keyfile' plugin,
> > though that's just a case of "didn't implement yet" rather than anything
> > else.
>
> I.e., just to make sure I understand correctly, in order to get what I
> want I should just create /etc/sysconfig/network-scripts/ifcfg-eth0:0
> and let NM manage my alias that way?  Do I need to do anything special
> to get NM to notice it, or it will do so automagically on the next
> restart/reboot?

There are some alias examples here, FWIW:

http://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/src/settings/plugins/ifcfg-rh/tests/network-scripts

And all that's really required is "nmcli con reload", you shouldn't ever
need to restart NetworkManager to get config changes taken into account.

Dan