Configuring new ethernet interfaces

Digimer linux at
Wed Oct 5 02:00:58 UTC 2011

On 10/04/2011 09:51 PM, Alex wrote:
> Hi,
> I have an existing fedora15 x86_64 server with two interfaces that
> I've moved to a different motherboard and processor with dual onboard
> Intel 1000mbs ethernet controllers on it (e1000e driver). After moving
> the system to the new motherboard, for some reason the ethernet
> interfaces changed from eth0 and eth1 to eth4 and eth5.
> Why did this happen, and how do I change it back to eth0 and eth1?
> It looks like udev  has something to do with this?
> Thanks,
> Alex

The MAC addresses changed. Take a look at this:

(it's more or less the same in Fedora 15 and should apply)

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