Re: network interfaces

[John Schmidt <jaschmidt@uofu.net>]

On Friday 07 April 2006 14:02, chris jackson wrote:
> why, after working just fine for over a month, would my computer start
> assigning different numbers to my network interfaces?  My wireless, that
> always used to be eth1 is now eth2, my pci card that used to be eth2 is
> now eth3, even though eth0 is still my ethernet connection.  I had to
> change all eth1s to eth2s in my interfaces file and it came right up.  I
> haven't changed anything in the system; I suppose I ran an upgrade
> yesterday, but it didn't ask me for any configuration options so I
> didn't think it was changing anything besides libraries and things.  Is
> there any way I can tell it to start assigning things back to where they
> should be?  Also, the little "network devices" thing that's available as
> a panel tool no longer shows up any devices except lo, and that's what I
> usually use to switch between devices because it's a little faster than
> opening a terminal.  I'm running etch with a 2.6.15 kernel.
>
> chris

I am guessing that you are using udev.  If so, it is known to cause network 
assignment order to change.  There are at least 2 ways to solve this:
1.  Use ifrename
2.  Write a special udev rule that associates MAC address with specified 
interface.

John