> > If the name contains a %d format string, the first available device > name with the given base is used; assigned numbers start at zero. > > On my base machine, I have 1 NIC card which is onboard, rest I can > remove and plug. > For the onboard card I get the interfaces as em1-4, while all the > other cards I get names as p1p2, p3p4 etc. This looks like systemd's way of naming network interfaces (aka predictable network interface names). Are you running a systemd enabled system? If so, look at this systemd guide for the naming convention: https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/ HTH, -mandeep > > Does Udev know the difference. > > How are these names given, definitely there must be some configuration > which is used to distinguish on-board card vs removable. > > Thanks. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies