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000023_jaltman@watsun.cc.columbia.edu_Thu Oct 17 10:26:09 EDT 2002.msg
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Article: 13786 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!jaltman
From: jaltman@watsun.cc.columbia.edu (Jeffrey Altman)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Problems transferring over ppp connection
Date: 17 Oct 2002 14:16:14 GMT
Organization: Columbia University
Lines: 32
Message-ID: <aomgne$9dj$1@newsmaster.cc.columbia.edu>
References: <1034801647.495773@irys.nyx.net> <1034815854.830840@irys.nyx.net> <aol3ol$sch$1@newsmaster.cc.columbia.edu> <aomfve$ioc$1@watsol.cc.columbia.edu>
NNTP-Posting-Host: watsun.cc.columbia.edu
X-Trace: newsmaster.cc.columbia.edu 1034864174 9651 128.59.39.2 (17 Oct 2002 14:16:14 GMT)
X-Complaints-To: postmaster@columbia.edu
NNTP-Posting-Date: 17 Oct 2002 14:16:14 GMT
Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:13786
In article <aomfve$ioc$1@watsol.cc.columbia.edu>,
Frank da Cruz <fdc@columbia.edu> wrote:
: In article <aol3ol$sch$1@newsmaster.cc.columbia.edu>,
: Jeffrey Altman <jaltman@watsun.cc.columbia.edu> wrote:
: : ...
: : I should point out that if the connection was truly using STREAMING
: : transfers then if even a single error was to occur, the transfer
: : would fail. Therefore, I must assume tht STREAMING transfers are
: : not being used.
: :
: And similarly, that transparency isn't a suspect either. If certain
: byte values were being absorbed by PPP, a modem, or the terminal
: server, error recovery would not work. Thus flow control seems the
: only likely culprit.
PPP provides a link layer equivalent to Ethernet for the implementation
of Internet Protocol, NETBEUI, IPX, etc. As far as applications are
concerned it is invisible.
: If Kermit transfers work on exactly the same physical connection
: when directly dialed, but fail over PPP, it has to be a difference
: between the modem and/or port configurations on one end or the other
: (or both), or else the fault of PPP.
It is not a fault of PPP. The configurations of the serial port to
modem communications on both sides of the PPP connection are the
place to look.
Jeffrey Altman * Sr.Software Designer Kermit 95 2.0 GUI available now!!!
The Kermit Project @ Columbia University SSH, Secure Telnet, Secure FTP, HTTP
http://www.kermit-project.org/ Secured with MIT Kerberos, SRP, and
kermit-support@columbia.edu OpenSSL.