Re: [gentoo-dev] call for testers: udev predictable network interface names

[Mike Gilbert <floppym@gentoo.org>]

On Wed, Jan 16, 2013 at 10:19 AM, Tobias Klausmann <klausman@gentoo.org> wrote:
> Hi!
>
> On Tue, 15 Jan 2013, Greg KH wrote:
>> So anyone who relies on network names right now to be deterministic, and
>> you have more than one network device in your system, should seriously
>> reconsider how they are naming their devices, as it will not work if you
>> only rely on the kernel.
>>
>> You might have gotten "lucky" for the past 5 years, but you never know
>> what could happen if you reboot today.  Seriously, I've seen it happen
>> all the time.
>
> It has been rather nifty that if I walk up to a random machine
> with exactly one NIC (that I've been asked to examine/fix), I
> _know_ that there will be eth0 and only that.
>
> OTOH, maybe it's a good idea to make admins do "ip link sh" and
> "ip addr sh" every time they examine a new computer -- it goes a
> long way to root out wrong assumptions in that field.
>
> Regards,
> Tobias
>
> PS: Do not use ifconfig. Ever. Except if there's no iproute. And
> then you should only use ifconfig to enable downloading of
> iproute :)
>

I would actually like to see iproute2 added to the system set.