On Mon, Feb 25, 2013 at 1:09 PM, Frantisek Hanzlik <franta@hanzlici.cz> wrote:

'biosdevname' I have not installed, I have systemd v197 and
according to previously mentioned:
http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames

custom rules in /etc/udev/rules.d/ should works - but not in F18!?

Yes because these changes were considered too intrusive to push in an update. Refer to

https://admin.fedoraproject.org/updates/FEDORA-2013-0655/systemd-197-1.fc18.1

So for Fedora 18, biosdevname manages the devices by default. biosdevname will probably be superseded by the systemd/udev update in Fedora 19

Rahul