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<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.16-22 i686) [Netscape]">
<title>Index of /~mostrows</title>
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<b><font face="Arial,Helvetica"><font size="+4">PPPoE for Linux 2.4</font></font></b>
<p><font size="+0">This is a driver for PPPoE for Linux 2.4.</font> </p>
<p><font size="+0">This driver is for 2.4 kernels only. For a driver
for 2.2 kernels, the <a href="http://www.roaringpenguin.com">Roaring Penguin</a><br>
package is recommended.<br>
</font></p>
<p>The software on this page is currently required if you wish to use kernel-mode<br>
PPPoE with Roaring Penguin (see the Roaring Penguin documentation for details),<br>
though this functionality is currently recommended for experts only.<br>
</p>
<p><font size="+0">Files:</font> </p>
<p><font size="+0"> <a href="ppp-2.4.1-pppoe.patch4">
ppp-2.4.1-pppoe.patch4</a> Patch for ppp-2.4.1</font><br>
<font size="+0"> <a href="ppp-2.4.1-pppoe4.tgz">
ppp-2.4.1-pppoe4.tgz</a> Source of ppp-2.4.1 with patches applied.
</font> <br>
<font size="+0"> <a href="ppp-cvs.pppoe1.tgz">
ppp-cvs.pppoe1.tgz</a> Source of ppp CVS repository with patches applied.
</font> <br>
</p>
<p><b><font size="+0">Installation & Usage:</font></b> </p>
<p><font size="+0">1. Configure, compile and install a 2.4 kernel.</font>
<br>
<font size="+0"><br>
Make sure to enable PPP over Ethernet in the kernel
configuration, as</font> <br>
<font size="+0"> well as as the "Packet Socket"
option. You must also enable support</font> <br>
<font size="+0"> for experimental drivers.</font></p>
<p><font size="+0"> If you are compiling as a module,
add the line "alias net-pf-24 pppoe" to<br>
/etc/modules.conf.</font></p>
<p><font size="+0"> Make sure that the /dev/ppp device
exists: "mknod /dev/ppp c 108 0"<br>
</font> </p>
<p><font size="+0">2. Configure, compile and install the modified pppd
package.</font> <br>
<font size="+0"> Links to the patch, or the complete
patched source are available above.</font> </p>
<p><font size="+0">3. Include the following line in your ppp options
file:</font> </p>
<p><font size="+0"> plugin pppoe</font> </p>
<p><font size="+0"> If you experience problems, try replacing
the "pppoe" with the</font> <br>
<font size="+0"> full path and file name of the "pppoe.so"
file that is installed</font> <br>
<font size="+0"> by the pppd installation.</font> </p>
<p><font size="+0"> Following these two lines should be
your other ppp options. My</font> <br>
<font size="+0"> options file includes only one other
line; a "name" statement for</font> <br>
<font size="+0"> PAP.</font> </p>
<p><font size="+0">4. Invoke pppd (e.g.: "pppd eth0"). Before
doing this, make sure the ethernet</font> <br>
<font size="+0"> device is up ("ifconfig eth0 up"
has been executed).</font> <br>
<font size="+0"></font> <br>
</p>
<p><b><font size="+0">Other Stuff:</font></b> </p>
<p><font size="+0">1. You can restrict pppd to connect to specific access-concentrators</font>
<br>
<font size="+0"> or specific services by addin "pppoe_ac_name"
and "pppoe_srv_name"</font> <br>
<font size="+0"> options (respectively) to your options
file. Each of these options is</font> <br>
<font size="+0"> followed by a string specifying the
conecntrator or service name that</font> <br>
<font size="+0"> is to be matched. Most people should
not need this.</font> <br>
</p>
<p><font size="+0">2. Here's how I've configured things to get a server
working:</font> </p>
<p><font size="+0"> client's /etc/ppp/options:</font> </p>
<p><font size="+0"> plugin /usr/lib/pppd/plugins/pppoe.so</font>
<br>
<font size="+0"> name papname</font>
</p>
<p><font size="+0"> client's /etc/ppp/pap-secrets:</font>
</p>
<p><font size="+0"> papname * papsecret</font>
</p>
<p><font size="+0"> server's /etc/ppp/options:</font> </p>
<p><font size="+0"> plugin /usr/lib/pppd/plugins/pppoe.so</font>
<br>
<font size="+0"> pppoe_server</font>
<br>
<font size="+0"> +pap</font>
<br>
<font size="+0"> 10.10.10.1:</font>
</p>
<p><font size="+0"> server's /etc/ppp/pap-secrets:</font>
</p>
<p><font size="+0"> papname * papsecret
10.10.10.0/24+ !10.10.10.1</font> <br>
</p>
<p><font size="+0"> On both the client and the server, pppd
is invoked as "pppd eth0".</font> <br>
<font size="+0"> With this setup you will have to invoke
a new pppd on the server for</font> <br>
<font size="+0"> each session.</font> </p>
<p><font size="+0"> The patched pppd also builds a new pppoed
which can be used to create</font> <br>
<font size="+0"> a PPPoE server capable of serving multiple
clients. To use this ,</font> <br>
<font size="+0"> remove the "pppoe_server" line from
the server's /etc/ppp/options</font> <br>
<font size="+0"> file. Invoke pppoed as: "pppoed
-S -I eth0 -A ac_name -S srv_name".</font> <br>
<font size="+0"> pppoed will now create a new pppd process
for each incoming connection.</font> <br>
<font size="+0"> Note: this is still rather flaky, use
with caution If pppoed seems to jam,</font> <br>
<font size="+0"> restarting it will not affect existing
connections.</font> <br>
</p>
<p>3. If you're trying to run masquerading over your PPPoE link, check
out <a href="http://www.hgfelger.de/mss/mss.html">this</a> <br>
page for instructions on how to ensure that path
MTU's are properly <br>
reported across your network. Without
this your masquerading will <br>
not work. </p>
<p> <a href="http://www.hgfelger.de/mss/mss.html">
http://www.hgfelger.de/mss/mss.html</a> <br>
</p>
<p><font size="+0">Michal Ostrowski</font> <br>
<font size="+0"><a href="mailto:mostrows@styx.uwaterloo.ca">mostrows@styx.uwaterloo.ca</a></font>
<br>
<br>
</p>
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