[comp.protocols.appletalk] Using a PC as a gateway between ETHERNET and APPLETALK

watstar@watale.UUCP (11/17/87)

What type of software/hardware would you need to gateway an appletalk
network to an ETHERNET??  The apples would be using NCSA TELNET etc.

-- 
  Michael A. Shiels (*WatStar/pc Network Project)
  mike@development.watstar.waterloo.EDU
UUCP: ...path...!watmath!watale!watstar
EDU:  watstar@watale.waterloo.EDU

kevin@violet.berkeley.edu (Kevin Baranski-Walker) (11/30/87)

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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