Re: Unexpected NIC naming f23 firewall implications

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On Sun, 2015-11-08 at 20:36 +0100, Reindl Harald wrote:
> 
> Am 08.11.2015 um 20:29 schrieb Richard W.M. Jones:
> > On Sat, Nov 07, 2015 at 05:28:54PM +0000, Christopher wrote:
> >> I recently updated my desktop to f23, and it went smoothly, for the most
> >> part. However, it broke my mediatomb server because the NIC changed from
> >> em1 to eno1.
> >>
> >> Is this something that was expected? It certainly surprised me.
> >
> > It happened to a bunch of servers when I updated them from F22 to F23.
> > Their NICs changed from p6p1 -> enp3s0.  It was annoying because I had
> > to boot each one with a display and keyboard and change the network
> > configuration by hand.
> >
> > "predictable, stable network interface names"
> > https://wiki.freedesktop.org/www/Software/systemd/PredictableNetworkInterfaceNames/
> 
> that is simple to solve forever
> 
> * add "net.ifnames=0 biosdevname=0" to your kernel params
> * get rid of NetworkManager

FYI, NetworkManager has nothing to do with device naming at all.  So
disabling NM will do nothing to solve your problems with device names.

Dan

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