<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:2 11 5 4 2 2 2 2 2 4;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:DengXian;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Menlo;}
@font-face
{font-family:"\@DengXian";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:1843469547;
mso-list-template-ids:-1;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi Peter</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>NFD-RIB prefers the shortest identity available, because it can register the largest possible namespace toward the end host. This has nothing to do with which identity is the default.</p><p class=MsoNormal>Your KeyChain contains an identity named ndn:/, so that NFD-RIB is trying to register ndn:/ toward your end host, with the certificate associated with this identity. That certificate is almost certainly not trusted by the testbed, thus you won’t get a successful registration.</p><p class=MsoNormal>If you change NFD-RIB loglevel to TRACE, you should be able to see the error.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>You need to execute <span style='font-family:"Courier New"'>ndnsec delete ndn:/</span> and then restart NFD.<span style='font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal>If necessary, you can backup the private key and certificates of that identity before deleting it.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Yours, Junxiao</p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:peter@remap.ucla.edu">Gusev, Peter</a><br><b>Sent: </b>Thursday, June 2, 2016 09:27<br><b>To: </b><a href="mailto:shijunxiao@email.arizona.edu">Junxiao Shi</a><br><b>Cc: </b><a href="mailto:jdd@wustl.edu">Dehart, John</a><br><b>Subject: </b>Re: [ndn] NDN Seminar: Practical Congestion Control for NDN</p></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>hi Junxiao, </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>We weren’t able to make me discoverable on <i>ndncon</i> while connected to REMAP hub. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Can you please give any advices on troubleshooting this? It seems that we tried everything we could…<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>My NFD is v0.4.0 build from sources. Certificate installed is default:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>$ ndnsec list<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>* /ndn/edu/ucla/remap/peter<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> /<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> /peetonn<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> /ndn/edu/ucla/remap<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> /ndn/edu/ucla/remap/zhehao<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'> /ndn/edu/ucla/remap/peter/ndncon<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>I ran <b>ndn-autoconfig</b> and here’s the grep from NFD log:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>$ grep AutoPrefix /tmp/nfd.log<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817688.388236 INFO: [AutoPrefixPropagator] Load auto_prefix_propagate section in rib section<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817688.388581 INFO: [AutoPrefixPropagator] Load auto_prefix_propagate section in rib section<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817688.507553 INFO: [AutoPrefixPropagator] local registration only for /localhost/nfd/rib<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817696.807139 INFO: [AutoPrefixPropagator] no hub connected to propagate /<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817701.880132 INFO: [AutoPrefixPropagator] prefix has already been propagated: /<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817701.957961 INFO: [AutoPrefixPropagator] this is a prefix registered by some hub: /localhop/nfd<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817701.958131 INFO: [AutoPrefixPropagator] redo 1 propagations when new Hub connectivity is built.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817708.727323 INFO: [AutoPrefixPropagator] prefix has already been propagated: /<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817708.834888 INFO: [AutoPrefixPropagator] prefix has already been propagated: /<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817709.189442 INFO: [AutoPrefixPropagator] prefix has already been propagated: /<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:8.5pt;font-family:"Menlo",serif'>1464817727.020028 INFO: [AutoPrefixPropagator] should be kept for another RIB entry: /ndn<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div><div><div><div><div><div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'>Thanks, <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'>-- <br>Peter Gusev<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'><br><a href="mailto:peter@remap.ucla.edu">peter@remap.ucla.edu</a><br>+1 213 5872748<br>peetonn_ (skype)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black'>Software Engineer/Programmer Analyst @ REMAP UCLA<br><br>Video streaming/ICN networks/Creative Development<o:p></o:p></span></p></div></div></div></div></div></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div></div></body></html>