Path: utzoo!attcan!uunet!cs.utexas.edu!rice!sun-spots-request
From: henry@zoo.toronto.edu
Newsgroups: comp.sys.sun
Subject: Re: Rarpd problems under 4.1
Keywords: Networks
Message-ID: <9516@brazos.Rice.edu>
Date: 1 Jul 90 04:23:50 GMT
Sender: root@rice.edu
Organization: Sun-Spots
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Approved: Sun-Spots@rice.edu
X-Refs:  Original: v9n231
X-Sun-Spots-Digest: Volume 9, Issue 235, message 14

>Are you aware that when you have two ethernet controllers in a Sun
>backplane that they have the same 48-bit ethernet address? ...  Sun
>evidently figured that the only use for two ethernet controllers was to
>act as a bridge between two completely separate LANs...

In fact, the original intent of Ethernet addresses was that they were to
be *host* numbers, so naturally all interfaces on one host have the same
address.  This intent has kind of gotten lost, along with the XNS
higher-level protocols that exploited this property.

                                         Henry Spencer at U of Toronto Zoology
                                          henry@zoo.toronto.edu   utzoo!henry