Subject: Re: changing MAC addresses out from underneath an interface.
To: Bill Sommerfeld <>
From: Manuel Bouyer <>
List: tech-net
Date: 11/07/1999 18:53:05
On Sat, Nov 06, 1999 at 09:23:12AM -0500, Bill Sommerfeld wrote:
> gratutious arp can do wonders for fixing this.  (i.e., sending
> unsolicited arps when coming up on the network).
> It's worth noting that I think this problem can arise today if you
> swap cards while a laptop's suspended (particularly if it's in one of
> the "suspend-to-disk" modes).

Sure, but would someone do this today ?
I think we should have an ioctl to set the mac address of an interface
(for hardware that support it), this could then be used for building
pseudo-interfaces attaching to real ones ...

Manuel Bouyer <>