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From: kevin@violet.berkeley.edu (Kevin Baranski-Walker)
Newsgroups: comp.protocols.appletalk
Subject: Re: Using a PC as a gateway between ETHERNET and APPLETALK
Message-ID: <6095@jade.BERKELEY.EDU>
Date: Mon, 30-Nov-87 12:08:53 EST
Article-I.D.: jade.6095
Posted: Mon Nov 30 12:08:53 1987
Date-Received: Thu, 3-Dec-87 04:51:58 EST
References: <2861@watale.waterloo.edu>
Sender: usenet@jade.BERKELEY.EDU
Reply-To: kevin@violet.berkeley.edu (Kevin Baranski-Walker)
Organization: University of California, Berkeley
Lines: 24
Keywords: TOPS, TCP/IP, DECnet

I've hacked at putting together just such a beast this past summer
using TOPS-DOS (with their PC Appletalk card) and DECnet-DOS (with
the 3COM ethernet controler for the PC).  Actually the hardest part
was getting the necessary information from TOPS (which I was never
successful at securing).  What I did was to write a packet translator
between ATalk and DECnet which appears as an application to DECnet
and unknown to TOPS (just another TSR utility).  Since I didn't get
any useful information from TOPS and the EtherTalk card for the
Mac II showed up I left this hack rusting in the corner.

Nonetheless this does [still] seem like a cheap gateway and flexible
enough to allow quite a few permutations; AppleShare-to-TCP/IP, 
AppleShare-to-DECnet, TOPS-to-TCP/IP, TOPS-to-DECnet, etc.

- Kevin



	Kevin D. Baranski-Walker
      * The University of California at Berkeley
     /  271 Evans Hall
    /   Berkeley, California 94720
   /	(415) 642-6672		kevin@violet.berkeley.edu
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