<html xmlns:v="urn:schemas-microsoft-com:vml" 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=us-ascii">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* 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:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal"><span style="color:#44546A">Does anyone have any information on some ongoing issues with Comcast in the Michigan area since end of April that involve intermittent packet loss, latency spikes (from normal 20 ms to 500+ ms), and just overall
cruddy paths?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A">We’re seeing issues with 3 of our sites in West/Central Michigan that use Comcast Business for Internet as they route from Comcast to Level 3. Traceroutes seem to die somewhere in Chicago or leaving Detroit
either in Level 3 or at the edge of Comcast:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A">Tracing the route to 172.87.34.1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A">VRF info: (vrf in name/id, vrf out name/id)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 1 50-77-204-206-static.hfc.comcastbusiness.net (50.77.204.206) 52 msec 40 msec 32 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 2 96.120.42.37 32 msec 44 msec 40 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 3 xe-7-0-6-sur02.muskegon.mi.michigan.comcast.net (68.85.189.25) 52 msec 52 msec 56 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 4 xe-1-3-1-0-sur01.lyndon.mi.michigan.comcast.net (68.87.189.177) 60 msec 68 msec 64 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 5 ae2.bar1.detroit1.level3.net (4.68.71.33) 72 msec 64 msec 64 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 6 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 7 lynx-networ.ear3.chicago2.level3.net (4.35.108.250) 136 msec 144 msec 152 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New";color:#44546A"> 8 66.35.87.172.in-addr.arpa.lynxnetworkgroup.com (172.87.34.1) 148 msec * 220 msec</span><span style="color:#44546A"><br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">Tracing the route to 172.87.34.1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">VRF info: (vrf in name/id, vrf out name/id)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 1 96-95-79-62-static.hfc.comcastbusiness.net (96.95.79.62) 0 msec 4 msec 0 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 2 96.120.28.97 8 msec 8 msec 8 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 3 be92-sur02.stjoseph.mi.sbend.comcast.net (68.85.204.29) 8 msec 12 msec 12 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 4 68.85.183.237 12 msec 8 msec 8 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 5 be-126-ar01.area4.il.chicago.comcast.net (68.87.230.249) 12 msec 16 msec 16 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 6 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 7 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 8 LYNX-NETWOR.ear3.Chicago2.Level3.net (4.35.108.250) 20 msec 16 msec 16 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 9 66.35.87.172.in-addr.arpa.lynxnetworkgroup.com (172.87.35.66) 16 msec 28 msec 20 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">10 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">11 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">Tracing the route to 172.87.34.1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">VRF info: (vrf in name/id, vrf out name/id)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 1 173-15-238-74-static.hfc.comcastbusiness.net (173.15.238.74) 0 msec 4 msec 4 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 2 96.120.42.165 16 msec 16 msec 16 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 3 68.85.49.133 16 msec 12 msec 12 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 4 xe-0-0-0-0-sur01.stclairshors.mi.michigan.comcast.net (68.87.189.38) 16 msec 12 msec 12 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 5 te-0-3-0-15-ar02.pontiac.mi.michigan.comcast.net (68.85.235.249) 20 msec 20 msec 16 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 6 ae2.bar1.detroit1.level3.net (4.68.71.33) 44 msec 20 msec 16 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 7 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 8 lynx-networ.ear3.chicago2.level3.net (4.35.108.250) 24 msec 32 msec 28 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 9 66.35.87.172.in-addr.arpa.lynxnetworkgroup.com (172.87.34.1) 32 msec * 32 msec<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#44546A">Now, this morning we’re seeing an inability to pass two-way traffic over CenturyLink through Chicago:<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 1 23ms 23ms 24ms 63.149.1.22<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 2 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 3 23ms 23ms 23ms 63.146.27.18<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 4 * * *<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 5 28ms 29ms 29ms 4.35.108.250<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 6 35ms 28ms 29ms 172.87.34.1<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">Tracing the route to 63.149.1.22<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New"">VRF info: (vrf in name/id, vrf out name/id)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 1 172.87.35.66 0 msec 0 msec 0 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 2 6-2-40.ear3.chicago2.level3.net (4.35.108.249) 34 msec 0 msec 0 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 3 ae-14-3604.edge4.chicago3.level3.net (4.69.204.166) 8 msec 9 msec 8 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 4 chp-brdr-03.inet.qwest.net (63.146.27.17) 9 msec 8 msec 8 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 5 cer-edge-15.inet.qwest.net (205.171.93.26) 9 msec 8 msec 9 msec<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:"Courier New""> 6 63.149.1.22 33 msec 34 msec *<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A">Comcast appears blind to the issues we’ve been seeing at their edge. Seems more like a Level 3 issue. What’s going on in Chicago lately?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">--</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">B.J. Ash</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"><a href="mailto:bjash@kentrecords.com" target="_blank"><span style="color:blue">bjash@kentrecords.com</span></a></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">IT Supervisor | Kent Record Management Inc.</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">1950 Waldorf St. NW, Ste. A | Grand Rapids, MI 49544</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">W:616-459-6681 |
<a href="http://www.kentrecords.com/" target="_blank"><span style="color:blue">www.kentrecords.com</span></a></span><span style="color:black"><o:p></o:p></span></p>
</div>
Disclaimer: This email and its attachments may be confidential and are intended solely for the use of the individual to whom it is addressed. Any views or opinions expressed are solely those of the author and do not necessarily represent those of Kent Record
Management Inc. If you are not the intended recipient of this email and its attachments, you must take no action based upon them, nor must you copy or show them to anyone. Please contact the sender if you believe you have received this email in error.
</body>
</html>