The easiest way to restore the old way Kernel/modules/udev rename your ethernet interfaces is supplying these kernel parameters to Fedora 19:

  1. net.ifnames=0
  2. biosdevname=0

To do so follow this steps:

  1. Edit /etc/default/grub
  2. At the end of GRUB_CMDLINE_LINUX line append "net.ifnames=0 biosdevname=0"
  3. Save the file
  4. Type "grub2-mkconfig -o /boot/grub2/grub.cfg"
  5. Type "reboot"

If you didn't supply these parameters during the installation, you will probably need to adjust and/or rename interface files at /etc/sysconfig/network-scripts/ifcfg-*.

Up to Fedora 18, just biosdevname=0 was enough.

As an example, in a certain machine, in a exhaustive research, I got:

-No parameters: NIC identified as "enp5s2".
-Parameter biosdevname=0: NIC identified as "enp5s2".
-Parameter net.ifnames=0: NIC identified as "em1".
-Parameter net.ifnames=0 AND biosdevname=0: NIC identified as "eth0".

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