In some email I received from Chris Jones, sie wrote:
> 
> >You're assuming that a host can't change its ethernet address (which it
> >can).  eg "ifconfig le0 ether a:b:c:d:e:f".
> 
> Doesn't work for me...  I thought ethernet addresses were allocated by
> some central authority and preset at the factory.  ???

The only _real_ requirement of ethernet addresses is that they _must_ be
unique on each network/piece of wire/however you want to define it.

Well, to put this another way, I can fake the ethernet address of packets
coming out of a sunos4 box - this isn't a bug.

darren