interface renaming (was: Re: Moving towards NetworkManager)

[Colin Law]

On 29 July 2016 at 21:27, Josef Wolf <jw at raven.inka.de> wrote:
> On Fri, Jul 29, 2016 at 08:43:47PM +0100, Colin Law wrote:
>> On 29 July 2016 at 16:05, Paul Smith <paul at mad-scientist.net> wrote:
>> > On Fri, 2016-07-29 at 14:08 +0200, Ralf Mardorf wrote:
>> >> If you have several devices, or you connect and disconnect USB
>> >> network devices, it's likely more tricky.
>> >
>> > The real problem is trying to use things like puppet etc. to configure
>> > lots of systems, if they all use arbitrary different names for eth0.
>> >
>> > Especially if they all were configured to use eth0 before.
>>
>> Was the problem with that way that if you have multiple eth interfaces
>> it was not guaranteed which would be eth0 and which eth1 etc?
>
> With the old system, once the MAC was seen, the interface name was stable. The
> problem occured ONLY on the first boot after install.

Are you certain about that.  I thought, for example, that if you added
another interface then the original one might change from eth0 to
eth1.  Maybe I am mis-remembering what I read.

Colin