> It's an nVidia nForce NIC:
>
> nVidia Corporation MCP55 Ethernet (rev a3)
>
> At the moment, unloading and reloading the kernel module seems to turn
> it on. I'll be chasing the issue further, but for now I expect to be
> able to use /etc/rc.local to implement the workaround.
>
> Thanks for your suggestions.
Now you have networking it might be worth upgrading the kernel in case
there is some change/fix in 2.6.18-8.1.6.el5 which helps...
I assume you were going to do that anyway... :-)
-- Jon