<div dir="ltr"><div class="gmail_default" style="color:#660000">I would recommend capturing traffic outside your Asterisk server with Wireshark, then running the Telephony/Rtp/Analysize Streams option to determine if you have packet loss at that point in the network.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jan 19, 2015 at 1:00 PM, Todd R. <span dir="ltr"><<a href="mailto:tjrlist@live.com" target="_blank">tjrlist@live.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


<div><div dir="ltr">Thanks but no Adtran here.<div><br></div><div>I do think these stats are indicating an issue, I just don't know how to prove it outside Asterisk.</div><div><br></div><div><br><div><hr>From: <a href="mailto:EWieling@nyigc.com" target="_blank">EWieling@nyigc.com</a><br>To: <a href="mailto:tjrlist@live.com" target="_blank">tjrlist@live.com</a>; <a href="mailto:asterisk-users@lists.digium.com" target="_blank">asterisk-users@lists.digium.com</a><br>Date: Mon, 19 Jan 2015 13:55:33 -0500<br>Subject: RE: [asterisk-users] sip show channelstats reliable?<div><div class="h5"><br><br><div><div><p><span style="font-size:10.5pt;font-family:Consolas;color:#1f497d">I’ve seen something similar with Adtran SIP gateways.    When a re-invite happens the Adtran gets all confused about call stats and marks the pre-reinvite leg of the call as losing large numbers of packets.    BTW, IIRC reinvites happen when a codec changes or the channel switches to T.38.</span></p><p><span style="font-size:10.5pt;font-family:Consolas;color:#1f497d"> </span></p></div><p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Also Adtran SIP gateways appear not to support OPTIONS packets when running in SIP proxy mode, which is very annoying.     At some point I’ll try and arrange a slugfest between Digium and Adtran and they can figure out why it doesn’t work.</span></p><p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p><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""> <a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank">asterisk-users-bounces@lists.digium.com</a> [mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank">asterisk-users-bounces@lists.digium.com</a>] <b>On Behalf Of </b>Todd R.<br><b>Sent:</b> Monday, January 19, 2015 1:45 PM<br><b>To:</b> Asterisk-Users List<br><b>Subject:</b> Re: [asterisk-users] sip show channelstats reliable?</span></p></div></div><p> </p><div><p><span style="font-family:"Calibri","sans-serif"">Additional info:</span></p><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">At the moment I am running 1.8.x but the other day I was getting the same results on 11.x</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Here is a sample from show channelstats. I do think this command is showing that there is trouble between specific IP's and my Asterisk box but I don't know if the numbers are accurate and reliable.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><table border="0" cellspacing="0" cellpadding="0" width="1068" style="width:801.0pt;border-collapse:collapse"><tbody><tr style="height:15.0pt"><td width="111" style="width:83.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Peer</p></td><td width="143" style="width:107.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Call ID</p></td><td width="87" style="width:65.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Duration</p></td><td width="107" style="width:80.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Recv: Pack</p></td><td width="95" style="width:71.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Lost</p></td><td width="99" style="width:74.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>(     %)</p></td><td width="67" style="width:50.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Jitter</p></td><td width="105" style="width:79.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Send: Pack</p></td><td width="107" style="width:80.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Lost</p></td><td width="15" style="width:11.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>(</p></td><td width="80" style="width:60.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>%)</p></td><td width="55" style="width:41.0pt;padding:0in 0in 0in 0in;height:15.0pt"><p>Jitter</p></td></tr><tr style="height:15.0pt"><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>x.x.x.x</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>5531341d06b</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>00:07:42</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>0000023123</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>0000063836</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>(73.41%)</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>0.0000</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>0000023102</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>0000000000</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>(</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>0.00%)</p></td><td style="padding:0in 0in 0in 0in;height:15.0pt"><p>0.0007</p></td></tr></tbody></table></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Peer IP changed to protect the innocent :-)</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p><div><div align="center" style="text-align:center"><span style="font-family:"Calibri","sans-serif""><hr size="2" width="100%" align="center"></span></div><p><span style="font-family:"Calibri","sans-serif"">From: <a href="mailto:tjrlist@live.com" target="_blank">tjrlist@live.com</a><br>To: <a href="mailto:asterisk-users@lists.digium.com" target="_blank">asterisk-users@lists.digium.com</a><br>Date: Mon, 19 Jan 2015 12:17:25 -0600<br>Subject: [asterisk-users] sip show channelstats reliable?</span></p><div><p><span style="font-family:"Calibri","sans-serif"">I am seeing lots of lost packets when running the command sip show channelstats at the CLI.</span></p><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">There are issues across multiple Asterisk servers I am trying to diagnose but everything I read seems to point to this command being pretty unreliable.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Can I trust the info this command shows?</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">I am showing lots of lost packets in sip show channelstats but I can't see any packet loss when pinging the same IP's to/from.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Since I don't 100% control the network my gear is on, I need something outside of Asterisk to show the network engineer to convince here and myself that there are network issues.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">All I have is the loss that's shown from this command with no real network stats to back it up.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Is there a magic command in CentOS anyone can recommend to diagnose and match up the issues shown in Asterisk using this command?</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Moving gear around on the network changes the info Asterisk shows a LOT. For example, if I point traffic to the main physical gateway I get loss to a particular customer's IP (their PBX), if I move it to another place on the network (as a VM) their IP is good and other customers IP's start showing loss using the channelstats info.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Driving me freakin' crazy. It does appear there are network issues causing my troubles but I can't get help if I can't point to some hard and fast issues outside of Asterisk.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">The only thing I have right now is collissions showing on one of a few of our pfSense devices but they are virtual running on XenServer, still this would indicate a problem in my opinion.</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif"">Thanks in advance for any assistance on this issue. Stepping back from the ledge now LOL</span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div><div><p><span style="font-family:"Calibri","sans-serif""> </span></p></div></div><p><span style="font-family:"Calibri","sans-serif""><br>-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by <a href="http://www.api-digital.com" target="_blank">http://www.api-digital.com</a> -- New to Asterisk? Join us for a live introductory webinar every Thurs: <a href="http://www.asterisk.org/hello" target="_blank">http://www.asterisk.org/hello</a> asterisk-users mailing list To UNSUBSCRIBE or update options visit: <a href="http://lists.digium.com/mailman/listinfo/asterisk-users" target="_blank">http://lists.digium.com/mailman/listinfo/asterisk-users</a></span></p></div></div></div></div></div></div></div></div>                                      </div></div>
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