Specify which device is eth0 at boot.

Andrew Jorgensen andrew.jorgensen at gmail.com
Mon Aug 7 21:45:15 MDT 2006


On 8/7/06, Blake Barnett <shadoi at nanovoid.com> wrote:
> Ok, I have a slightly odd situation.  I have multiple systems with
> dead on-board NICs.  We have added a new NIC to a PCI slot in each of
> these machines and disabled the onboard NICs.  The problem is, for
> our automated deployment system to work smoothly, these new devices
> _must_ be eth0 when the system comes up.  The kernel always detects
> the on-board NICs as eth0 and eth1, the new NIC that we've added
> shows up as eth2.
>
> I know that one way around this is to use a netdev=<irq>,<dma>,eth0
> on the kernel append line, but unfortunately not all of these devices
> have the same IRQ or memory address.  I've seen various references to
> disabling ACPI, and/or passing device driver-specific options.
> Possibly also certain pci= options may help.  I'm hoping someone has
> dealt with this before.

On Ubuntu (and perhaps others) you can use /etc/iftab to force the
names of your network devices.  man iftab for more info.



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