18 Sep
2003
18 Sep
'03
7:30 p.m.
On Thu, 18 Sep 2003 15:10:57 -0400 (EDT) bdragon@gweep.net wrote:
manufacturer assigned macs are guaranteed to be globally unique.
Theoretically. I didn't experience it personally, but I believe there was at least one fairly well known event a few years back where a manufacturer shipped cards with duplicated UAAs.
A specific enterprise reconfiguring the mac is akin to an enterprise using RFC1918 space.
Fortunately, this practice rarely occurs these days (token ring / SNA shops often did this) although I'd be curious if anyone still does it. Unfortunately, in my opinion, some of the relevant lessons learned from using LAAs (and their demise) didn't take hold at layer 3. John