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<TITLE>The Answer Guy 45: Linux to NT PPP Connection Over Null Modem</TITLE>
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<H4>"The Linux Gazette...<I>making Linux just a little more fun!</I>"</H4>
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<H4>By James T. Dennis,
<a href="mailto:answerguy@ssc.com">answerguy@ssc.com</a><BR>
LinuxCare,
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<H3 align="left"><img src="../../gx/dennis/qbubble.gif"
height="50" width="60" alt="(?) " border="0"
>Linux to NT PPP Connection Over Null Modem</H3>
<p><strong>From Neal Gieselman on Wed, 28 Jul 1999
</strong></p>
<!-- ::
Linux to NT PPP Connection Over Null Modem
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:: -->
<P><STRONG>Hello,
</STRONG></P>
<P><STRONG>
You got any tips on how to get Linux to connect to NT over a null
modem cable? We intend to eventually replace the null modem with
a wireless connection.
</STRONG></P>
<P><STRONG>
Neal Gieselman
</STRONG></P>
<BLOCKQUOTE><IMG SRC="../../gx/dennis/bbub.gif" ALT="(!)"
HEIGHT="28" WIDTH="50" BORDER="0"
>
I don't know anything about supporting NT PPP. I've
never used it. For the Linux end you'd just use the
directive "local" instead of "modem." So, look for
a similar option among the NT GUIs and dialogs. They
might have a "modems" or "serial ports" control panel
which might have a "null" or "direct" entry in the
list of supported modem models. Try that first.
</BLOCKQUOTE>
<BLOCKQUOTE>
Call MS technical support for info on making <EM>any</EM> sort
of null modem PPP connection (ask them how to make two
NT boxes connect over a null modem cable). Whatever they
suggest --- if it is standards conformant PPP or even
close --- Linux should be able to cope with it when you
replace one NT endpoint with your Linux system.
</BLOCKQUOTE>
<BLOCKQUOTE>
Why isn't there an NT answer guy?
</BLOCKQUOTE>
<BLOCKQUOTE>
You'd probably be better off installing ethernet cards
in the two boxes in question, and running a cross-over
cable between them.
</BLOCKQUOTE>
<BLOCKQUOTE>
Questions to the rest of the readership: Are there any
short-haul modems out there that provide the same interface
as a basic Hayes compatible modem? Are there any devices
which emulate dial-tone (TM), DTMF signaling and ring/busy
signals? (Such telco wire simulators would obviously be
quite handy for teaching PPP and other modem skills in a
class room setting).
</BLOCKQUOTE>
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<H5 align="center"><a href="http://www.linuxgazette.com/ssc.copying.html"
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<BR>Published in <I>The Linux Gazette</I> Issue 45 September 1999</H5>
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