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000355_news@columbia.edu_Wed Sep 13 09:02:23 1995.msg
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From: mrichich@forest.drew.edu (Mike Richichi, Systems Manager)
Newsgroups: comp.protocols.kermit.misc
Subject: Netware/IP and packet driver Kermit coexistence
Message-Id: <1995Sep13.140223.124158@forest>
Date: 13 Sep 95 14:02:23 EST
Organization: Drew U. Academic Computer Center
Lines: 35
Apparently-To: kermit.misc@watsun.cc.columbia.edu
Okay, here's the issue. We have a LAN running Netware 4.1. We are
currently using ODIPKT and MS-Kermit 3.13 to telnet to on-campus machines
in DOS. We want to switch these machines over to Netware/IP 2.1, thus
getting a Winsock to run Netscape, and then still be able to run MS-Kermit
3.13 (ideally in Windows) and still have it access tcp/ip through a packet
driver.
Now, the first thing to try is just run ODIPKT. No go--when Novell's
TCPIP.EXE loads, it prevents ODIPKT from working, even in DOS. That's to
be expected, though.
Well, after some careful thought, lots of fun, and a few hundred machine
reboots, I've come up with the following solution:
1) Run the packet driver for the network card (in this case, 3Com 3c509.)
2) Run PKTMUX and then 2 PKTDRVs.
3) Use PDETHER on one of the packet driver interrupts, and then load
Novell's LSL, TCPIP, NWIP, and VLM (thus getting complete Netware
connectivity to file servers and such.)
4) Kermit then takes the other packet-driver interrupt for it's tcp/ip
connections.
5) Yes, this even works in Windows. I'm doing it right now, I've got my
Kermit window covering my Netscape window, and both work simultaneously.
There are delays in one app when the other is transmitting data, but
again, that's to be expected.
The big question is: Am I flirting with disaster? Is PDETHER not as good
of a Netware solution as the native ODI driver for the card? Are there
any other unforseen problems that I should know about? I'm going to hit
it hard for a while to see if it crashes and burns.
--Mike