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Article #2684

Re: LAT on Token Ring?

#2684
From: Dave Mitton
Date: Thu, 08 Oct 1992 19:20
43 lines
2327 bytes
In article <kh.718486735@otto>, kh@arctic.se (Kenneth Hedlund) writes:
>From: kh@arctic.se (Kenneth Hedlund)
>Newsgroups: comp.sys.dec
>Subject: LAT on Token Ring?
>Date: 7 Oct 92 19:38:55 GMT
>
>
>We have a number of PC:s on a TokenRing Net, currently running 
>PATHWORKS with TCP/IP. They connect to a 5000/240 MIPS/ULTRIX
>(on ethernet) via a HP-ROUTER (eg WellFleat). 
>We would like to use these PC:s local printers from the 5000/240
>(by enabling the LAT service on the PC).
>
>Is there anyone out there who could tell me if this is possible
>and what would the hardware/software requirements be ?
>
>(I know that there is a TokenRing card available for the 5000/240,
>but is there support for this kind of action?)
>
>--Kenneth Hedlund
>
>Please respond by e-mail to:  kh@arctic.se

	While it's feasible to run LAT over Token Ring, Digital currently
has no implementation that supports it.

	We are persuing this issue for future releases of VMS and Unix-based
operating systems and adapters for such.   In the sort term, a Translating
Ethernet to Token Ring Bridge would be your only path to a host system.
The Ethernet packets need to be mapped to 802.2 SNAP packets on the Token
Ring and 3 multicast addresses need to be mapped into Functional Addresses.
This can be done with Proteon p4100+ and CNX Bridging Routers in R12.0

	The only thing stopping the PATHWORKS PCs is a check for If Token Ring,
then print a "not supported" message.  A clever PC hacker can no-op that
out of LAT.EXE, it will work.  (using PW for DOS V4.1A ... the "A" is
important")

	Dave Mitton
	Digital Equipment Corp
	Networks and Communications 
	Token Ring Program
Technical Details
Message-ID: <1992Oct8.192031.21785@nntpd.lkg.dec.com>
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References: <kh.718486735@otto>

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From: mitton@dave.enet.dec.com (Dave Mitton)
Subject: Re: LAT on Token Ring?
Message-ID: <1992Oct8.192031.21785@nntpd.lkg.dec.com>
Lines: 44
Sender: usenet@nntpd.lkg.dec.com (USENET News System)
Reply-To: mitton@dave.enet.dec.com (Dave Mitton)
Organization: Digital Equipment Corporation, Littleton MA
References:  <kh.718486735@otto>
Date: Thu, 8 Oct 1992 19:20:31 GMT