Subj : Re: Ethernet HW address on linux
To   : comp.os.linux
From : Chuck Ross
Date : Sat Jul 31 2004 01:07 am



On Fri, 29 Jul 2004, Pushkar Naik wrote:

> mjt <mjtobler@removethis_mail.ru> wrote in message news:<w3CNc.694$cK.597@newsread2.news.pas.earthlink.net>...
> > Pushkar Naik wrote:
> >
> > > Is there any way i can make linux return the ethernet id as
> > > 000000000000 when the ethernet card
> >
> > ... do you mean the MAC address?
> > .
>
> Hello mjt,
>            Yes, i mean the MAC address, how can i make linux return a
> mac address of 000000000000 when there is no physical ethernet NIC on
> my pc ?
>
> The problem is, the application i'm using is a licensed software hence
> no source code available, and it expects a numeric form of MAC address
> where as linux is returning a null string. I have obtained a license
> for mac address 000000000000 of this app., as i dont have a NIC. But
> when this app. querries linux for the mac address, linux returns a "",
> and as "" is not equal to 000000000000, the app. refuses to start
> saying mac address do not match.
>
> Your help shall prove valuable to me, as i'm stuck up with an
> important work !
>
> Regards,
> Pushkar.
>

Try this (or something like it):

  ifconfig eth0 hw ether 00:00:00:00:00:00

the interface must be down for this command to work (ifdown eth0, or
ifconfig eth0 down).  After entering the command, bring the interface back
up and you should be set.

.