Proposal: enable stateless persistant network interface names

[D. Jared Dominguez]

On Sat, May 09, 2015 at 02:49:35AM -0500, peter green wrote:
>>
>> The main downside is that by nature the device names are not familiar
>> to current admins yet. For BIOS provided names you get e. g. ens0, for
>> PCI slot names enp1s1 (ethernet) or wlp3s0 (wlan). But that's a
>> necessary price to pay (biosdevname names look similar).
>The stability of these names appears to be an illusion.
>
>The "path based names" use the PCI bus number as their "root". PCI bus
>numbers are dynamically allocated as the bios enumerates the busses.

Note that biosdevname uses slot numbers, not PCI bus numbers.

The following provides technical details on how biosdevname enumerates:
http://linux.dell.com/files/whitepapers/consistent_network_device_naming_in_linux.pdf

-- 
Jared Domínguez
Infrastructure Software Engineering
Dell | Enterprise Solutions Group