On Wed, 2007-01-10 at 14:56 +0100, Jan Karjalainen wrote: > Lennart Börjeson wrote: > > onsdag 10 januari 2007 14:36 skrev Jan Karjalainen: > > > >> Carlos E. R. wrote: > >> > >>> AFAIK, mac addresses are persistent, they don't change on reboots. > >>> > >>> > >> So if I run "ifconfig eth0 down hw ether 01:02:03:04:05:06 && eth0 up" > >> it remembers this after a reboot? > >> Won´t work on my machine (openSUSE 10.2)... > >> > >> > > > > No, it means they never change at all... :-) > > > > As some other poster noted, it is by no means sure that your particular > > interface can change its mac address at all. By design, mac addresses are > > intended to by fixed, unique, and permanent. > > > > Some cards have the ability to change its mac address or to accept a > > second, "soft", mac address settable at run-time. YMMV. > > > > > Just to make it clear: my nic supports the changing of mac address. > Running "ifconfig eth0 down hw ether 01:02:03:04:05:06 && eth0 up" > manually does work.
This does _not_ change the embedded MAC address as it _cannot_ be permanently changed. This is so there never is a duplicate on the WWW. What you are doing is masquerading the address during your boot session. -- Ken Schneider UNIX since 1989, linux since 1994, SuSE since 1998 -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]