RHEL4 U5 and NICs order/naming

[Sharpe, Sam J]

wolf2k5 wrote:
<snip>
> After some investigation, it turned out that the new kernel changed
> the NICs order/naming, e.g. what was eth0 with the U4 kernel became
> eth1 with the U5 kernel and so on.
<snip>
> How can we prevent this from happening again when applying a new
> kernel?

[login at machine ~]$ cat /etc/sysconfig/network-scripts/ifcfg-eth0 | grep
HWADDR
HWADDR=00:50:BF:XX:XX:XX

I believe that ties the config to the network card with that MAC
address...