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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'>Hi, Markus,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'>Thank you for your reply. We have run tcpdump on each
node. The result shows that OLSR traffic can pass and the routing table is
updated… Is it possible that this problem is caused by VLAN? We are not sure
about this.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'>Regards,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'>Baobing Wang (Brian)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'>Department of Electrical and Computer Engineering<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'>University of Maryland, College Park, MD 20740<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
markus.kittenberger@gmail.com [mailto:markus.kittenberger@gmail.com] <b>On
Behalf Of </b>Markus Kittenberger<br>
<b>Sent:</b> Wednesday, January 20, 2010 10:45 AM<br>
<b>To:</b> Brian K. Wong<br>
<b>Cc:</b> olsr-users@lists.olsr.org<br>
<b>Subject:</b> Re: [Olsr-users] Running Application with OLSR<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal>can u first verify whether olsr traffic (broadcasts) can
pass your setup<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>a mean if u run tcpdump on each node, can u see incoming
olsr packets (port 698) on every node?<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>Markus<o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>On Wed, Jan 20, 2010 at 4:16 PM, Brian K. Wong <<a
href="mailto:wangbaobing@gmail.com">wangbaobing@gmail.com</a>> wrote:<o:p></o:p></p>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>Hello, all,</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>We are running an
application on top of OLSR. This simple application involves one source node
and one destination node. The source node sends UDP traffic to the destination
node. </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>This program works well when
we run it on two physical machines in the same wire LAN. <b>However, when we
run it on two virtual nodes in the same virtual </b></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt;font-family:"Courier New"'>wireless LAN, the
destination cannot receive any packets.</span></b><span style='font-size:10.0pt;
font-family:"Courier New"'> The virtual wireless LAN is described as follows:</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>The virtual LAN is
implemented using tagged virtual LAN (VLAN - IEEE 802.1Q) technology and
network bridging. </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>The VLANs are created using
a Cisco Catalyst switch. For virtual nodes on the same physical node, eth1 on
the physical node is connected to one port of the Catalyst switch via a cat5
cable. Four VLANs - one for each TN - are created on the switch port, with VLAN
trunking enabled on the switch port to allow data on all four VLANs to pass
through simultaneously. OLSR is running one this virtual LAN for routing. </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>Does anybody know the
solution to this problem?</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>Thank you very much in
advance.</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>Regards,</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>Baobing Wang (Brian)</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>Department of Electrical and
Computer Engineering</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New"'>University of Maryland,
College Park, MD 20740</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
</div>
</div>
<p class=MsoNormal><br>
--<br>
Olsr-users mailing list<br>
<a href="mailto:Olsr-users@lists.olsr.org">Olsr-users@lists.olsr.org</a><br>
<a href="http://lists.olsr.org/mailman/listinfo/olsr-users" target="_blank">http://lists.olsr.org/mailman/listinfo/olsr-users</a><o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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