Subject: Re: dhcp(8) _cannot_ be completely disabled on an interface
To: None <>
From: David Laight <>
List: tech-net
Date: 01/12/2002 10:15:24
> i was thinking of the link layer address.  there's currently no way to
> get that from the network layer in the kernel on a per-packet basis,
> unlike, say, the receiving ip address.

What makes you think the link layer address is unique?
It only needs to be unique on a (bridged) LAN segment.
Indeed some of the sBus ethernet cards sold by sun do not have a MAC
address PROM.  The solaris driver (and I assume the netbsd one) uses
the system mac address for these add-on cards.