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000352_news@columbia.edu _Fri Feb 23 12:16:43 2001.msg
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From: David Stow <dastow@vcn.bc.ca>
Subject: Re: MSKermit ODI question
Date: 23 Feb 2001 16:54:42 GMT
Organization: Vancouver CommunityNet
Message-ID: <9764ki$pm2$1@sylvester.vcn.bc.ca>
To: kermit.misc@columbia.edu
In article <9749kg$cl8$1@sylvester.vcn.bc.ca>, David Stow
<dastow@vcn.bc.ca> writes:
> When MSKermit is used over ODI, what determines the best values for
> buffers and mempool in the KERMIT section of the net.cfg file? Are
these
> values set according to specifications from the MLID author, or are they
> LSL variables that are independent of the MLID?
>
> Thanks,
> David Stow
---------
They are used by the LSL, Link Support Layer, of ODI. Use typical
values of
buffers 8 1500
mempool 4096
The MLID (lan driver for the rest of you) does not know about
these things.
Joe D.
_____________
Thanks for writing back. I probably asked the wrong question, and should
have started by giving the symptoms. I'm using MSKermit 3.16 beta 07 to
make a Telnet connection (over ODI) between two local computers, and to
transfer files between them. The MSKermit Telnet server seems to work all
right, and it honours commands from the MSKermit client like remote dir,
remote help, remote cd, etc. The "get" command works for small files, but
when I try to get larger files the server immediately fills up all
available windows and the transfer freezes.
For example, if I "set windows 8" on both machines, the transfer will
proceed smoothly for a while. The server will show a message like
"Windows: 3 of 8 in use" and the client will show "1 of 8 in use". As
soon as the server reaches "8 of 8 in use" the transfer halts, with the
client still showing "1 of 8 in use".
I first thought that this might have something to do with the LSL buffers,
but changing their values hasn't helped. I don't know the details of the
Transmission Control or Kermit protocols well enough to say what's going
wrong, but it seems like the client's acknowledgements aren't getting back
to the server at one of these levels.
Any advice, speculation, or pointers to existing documents about Kermit
windows with TCP/IP would be welcome.
Thanks again,
David Stow