Searched for the article you spoke of -
found this
In it it states
Quote:
replace the ".eth0" with whatever the ethernet interface for your system might be, as shown by ifconfig -a
If you never had anything configured, it may not show anything in ifconfig -a. Post back with the type of system you have or grep the dmesg command for hme, qfe, or qf. You have to know the interface - it probably isn't eth0.