Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!mcsun!ukc!cam-cl!maj
From: maj@cl.cam.ac.uk (Martyn Johnson)
Newsgroups: comp.unix.ultrix
Subject: Re: DECnet and TCP/IP between Ultrices
Message-ID: <1362@scaup.cl.cam.ac.uk>
Date: 20 Oct 89 08:13:50 GMT
References: <880@uakari.primate.wisc.edu> <2774@decuac.DEC.COM> <9085@batcomputer.tn.cornell.edu>
Sender: news@cl.cam.ac.uk
Organization: U of Cambridge Comp Lab, UK
Lines: 15

In article <9085@batcomputer.tn.cornell.edu> hurf@tcgould.tn.cornell.edu
(Hurf Sheldon) writes:

> -more like 'aa:0:4:0:4:dc' instead of '8:0:2b:7:64:de'. The 'aa' is a
> tipoff as all DEC systems start with 8:0:2b

Not absolutely true.  I have a batch of early DEQNAs with hardware
addresses beginning aa:0:03.  This is easily confused with the
DECnet prefix of aa:0:04.

It means that you have to look at all three bytes to be sure.

Martyn Johnson
University of Cambridge Computer Lab
Cambridge UK.