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000285_news@columbia.edu_Thu Jan 26 23:55:32 1995.msg
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Path: news.columbia.edu!panix!news.mathworks.com!news.duke.edu!eff!news.umbc.edu!haven.umd.edu!purdue!mozo.cc.purdue.edu!news.physics.purdue.edu!london.physics.purdue.edu!korty
From: korty@london.physics.purdue.edu (Andrew J. Korty)
Subject: File Transfers Fail Uploading but not Downloading!
Message-Id: <D31EGK.Mo3@physics.purdue.edu>
Sender: usenet@physics.purdue.edu (News Administration)
Organization: Physics Department, Purdue University
Date: Thu, 26 Jan 1995 23:55:32 GMT
Lines: 22
Apparently-To: kermit.misc@watsun.cc.columbia.edu
The problem is this: I can download beautifully (9K packets at 1850
CPS on a 19200 device with no harware compression), but when I try to
upload, I can only send a few packets. When the file is small (under
about 3 packets), I get amazing transfer rates, as high as 7500 CPS!!!
I'm using C-Kermit for OS/2 on my PC and C-Kermit on the remote host
also. I've tried this with MS-Kermit on this end under both DOS and
OS/2 (with MS-Kermit the problem is even worse; can send absolutely no
more than one packet), and I've tried uploading to different remote
machines with different C-Kermit edits. Therefore, I think the
problem must be my DOV (data-over-voice) unit. If you're not familiar
with these, they are Hayes compatible modems that allow you to connect
and talk on the phone at the same time. It's a direct connection to
the remote dialup server.
This is my last resort; I've spoken with system administrators and
they have never even heard of such problems. I've tried everything I
can think of; switching COM drivers, changing the flow control and
speed, changing the packet size ... everything,
Thanks in advance ...
Andy