On Tue, 20 Dec 2016 18:50:38 +0100, Heiko Baums wrote:

> > Maybe there are different opinions, but what is cryptic on - as a
> > typical one - enp3s0?:
> > e - ethernet
> > n - network
> > p - pci (port) ...
> > 3 - ... 3
> > s - slot ...
> > 0 - ... 0  
> 
> Think about that yourself again and compare it to - eth0:
> 
> eth - ethernet
> 0 - 1st card

And which physical card is that? Each time you boot?
 
> I don't think I need to explain which of both is a lot more complicated
> and cryptic.

Yes, it is more complicated, but they are called predictable network
names, not simple network names. It means you know exactly which port a
network device refers to, every time you boot. Adding another NIC, even
if it is discovered first, will not change the names of existing NICs.

It's rather like the situation with hard disks, where sda may one day
become sdb, so distros use UUIDs in fstab. UUIDs are far more cryptic
than predictable network names, but no one complains loudly and
pointlessly about them, which I can only attribute to provenance.

Yes, the predictable names are pointless on a single-NIC system, which is
why there exist simple methods to switch back to the old way.


-- 
Neil Bothwick

Bug: (n.) any program feature not yet described to the marketing
department.

Attachment: pgpPVZEO9ABgW.pgp
Description: OpenPGP digital signature

Reply via email to