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000237_news@newsmaster….columbia.edu _Mon Jun 29 13:00:37 1998.msg
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Date: Mon, 29 Jun 1998 15:11:58 +0200
From: ghuylebr <geert.huylebroeck@belgium.ncr.com>
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Hi,
we are using Kermit as file-transfer mechanism in the following
environment
The clients dialin to a TerminalServer from within a Powerbuilder
application (which contains some
kermit code)
>From the Terminal Server, there's automatically a Rlogin-session started
to a UNIX server where a script
starts kermit in Server Mode
On the server, we run C-Kermit 6.0.192
Most of the time the clients can transfer files without a problem
But still, rather often, the clients need to resend the data because the
connection with the (kermit) server
dropped.
We took some networktraces (captured received and send data at the
server side) and found that, when the connection
drops, the Kermit Server sent the message 'Receive window Full'
I found this message in the 'ckcfn2.c' code with some explanation but
I'm no enough familiar with the Kermit code
to understand this
Remark : we upgraded the previous Kermit release to C-Kermit 6.0 as we
got the same type of disconnects. At that time, Kermit
sent the message 'Internal Error 18'
I found (in the same file that the 'Receive window Full' replaced the
'Internal error 18'
Can anyone help us to debug what goes wrong ??
How can we influence the speed between the UNIX server (where kermit is
started in Receive mode) and the Terminal Server ?
(= a TCP/IP connection) ?
Thanks in Advance
Geert Huylebroeck
32 2 727 93 57
geert.huylebroeck@belgium.ncr.com