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<TITLE>The Answer Guy 50: How do you say "Dial on Demand"</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:linux-questions-only@ssc.com">linux-questions-only@ssc.com</a><BR>
LinuxCare,
<A HREF="http://www.linuxcare.com/">http://www.linuxcare.com/</A>
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<H3 align="left"><img src="../../gx/dennis/qbubble.gif"
height="50" width="60" alt="(?) " border="0"
>How do you say "Dial on Demand"</H3>
<p><strong>From edj on Tue, 18 Jan 2000
</strong></p>
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How do you say "Dial on Demand"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:: -->
<P><STRONG>
This may be really trivial for unix gurus, but I can't contain my
excitement at having successfully routed my small office LAN
through my linux box to a single ppp account! Broadband's too
expensive and before I got this set up we were running around
telling each other to hang up coz we needed to check our
e-mail! Heh, now we can all surf the web at the same time.
This is no small feat for a Mac user.
<IMG SRC="../../gx/dennis/smily.gif" ALT=";)"
height="24" width="20" align="middle">
</STRONG></P>
<P><STRONG>
But I have one challenge which I think I'm going to need some
help with. On a Mac I can get the PPP client to dial the ISP
automatically when a TCP/IP application starts up and needs
to connect to the internet. How do I do this on linux?
</STRONG></P>
<P><STRONG>
-edj
</STRONG></P>
<BLOCKQUOTE><IMG SRC="../../gx/dennis/bbub.gif" ALT="(!)"
HEIGHT="28" WIDTH="50" BORDER="0"
>
The feature you're asking for is called "dial
on demand." Under Linux this used to require
an additional package called '<tt>diald</tt>'. However,
it is also now a built in feature of the PPP
daemon (<tt>pppd</tt>).
</BLOCKQUOTE>
<BLOCKQUOTE>
Search the <tt>pppd(8)</tt> man page for the term "demand"
and read through that a bit.
</BLOCKQUOTE>
<BLOCKQUOTE>
I notice that Al Longyear's PPP FAQ is desparately
out of date and should be updated sometime soon.
It still refers us to diald. Of course you <EM>can</EM>
still use diald in any event, but you should be able
to simply add the "demand" keyword to your
<TT>/etc/ppp/options</TT> file.
</BLOCKQUOTE>
<BLOCKQUOTE>
Hope that helps.
</BLOCKQUOTE>
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<H3 align="left"><img src="../../gx/dennis/qbubble.gif"
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>PPP Dial on Demand</H3>
<p><strong>From edj on Thu, 20 Jan 2000
</strong></p>
<p><strong>
Hi Jim,
<br>Thanks, that really helped.
</strong></p>
<p><strong>
- -edj
</strong></p>
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<H5 align="center"><a href="http://www.linuxgazette.com/copying.html"
>Copyright &copy;</a> 2000, James T. Dennis
<BR>Published in <I>The Linux Gazette</I> Issue 50 February 2000</H5>
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