Re: Unexpected NIC naming f23 firewall implications

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On Sun, Nov 08, 2015 at 08:36:57PM +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
> * rename your ethernet-devices in the ifcfg-files based on the MAC
> * survives yum-upgardes from Fedora 9 to Fedora 23
> * nobody needs NM and that other stuff on static configured servers
> * frankly even with a DHCP wan-interface it works perfectly

I agree, except it's not "simple" :-)

Maybe giving permanent names to network interfaces (of our own choice
or from a standard set) is something we should be able to choose at
installation time?

Rich.

-- 
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