change mac address

Matt Domsch Matt_Domsch at
Tue Feb 7 13:31:06 CST 2006

On Tue, Feb 07, 2006 at 01:19:44PM -0600, Matthew Lenz wrote:
> We recently had a service call and had a MB swapped out of a 2850.  The
> problem is we rely on this (f*****g) software that has licensing based
> off the machine ID.  That ID just happens to be the MAC address of the
> eth0 (ARRGGHH).  So what I want to know is if its possible to change the
> MAC address of eth0 back to the old value.  The stinking company charges
> 300 bucks to issue a new license >:^(

man ifconfig

ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx

until the next reboot.  This is effectively what some of the network
load balancers do too.

Matt Domsch
Software Architect
Dell Linux Solutions &
Linux on Dell mailing lists @

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