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Message-ID:	<3D9CD735.9FF13FA@doe.carleton.ca>
Date:	Thu, 03 Oct 2002 19:48:05 -0400
From:	Shing-Fat Fred Ma <fma AT doe DOT carleton DOT ca>
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To:	vnc-tight-list AT lists DOT sourceforge DOT net, vnc-list AT realvnc DOT com,
	cygwin AT cygwin DOT com
Subject:	Two ssh connections slow
References:	<E17xBlk-000619-00 AT usw-sf-list2 DOT sourceforge DOT net>

Hello,

I'm using TightVNC1.2.2 to connect to Solaris8 from WinMe.
I'm using OpenSSH_3.4p1, SSH protocols 1.5/2.0, OpenSSL
0x0090607f to open the connection.  This ssh came with
cygwin-1.3.12-4, which I just upgraded to.  Prior to this, I
was running OpenSSH_2.3.0p1, protocol versions 1.5/2.0.  I
don't remember what the cygwin version was prior to the
upgrade.

I'm finding that when I have two VNC sessions open via two
ssh channels to two different sun boxes, each session slows
to an unusable speed.  Most of the time, the response
freezes before too long and the connection is dropped (both
ssh and VNC).  Strangely, it is always the same machine that
drops the line, but thereafter, the remaining line speeds up
to a usable speed.  I don't recall two connections being a
problem before the upgrade, though I can't positively say it
is "correlated" with upgrading.

At first, I thought it was the free ZoneAlarm firewall, but
the same behaviour is observed without the firewall.

Just wondering if anyone else has experienced similar kind
of situation-specific slowdowns with ssh on the new cygwin
installation.

Fred
-------------------------------------------
Fred Ma
Department of Electronics
Carleton University, Mackenzie Building
1125 Colonel By Drive
Ottawa, Ontario
Canada     K1S 5B6
fma AT doe DOT carleton DOT ca
===========================================


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