<div dir="ltr">I'm not on the Comcast backbone team, but for what it's worth I just ran MTR to 96.120.14.165 and to <a href="http://router1-fmt.linode.com">router1-fmt.linode.com</a> for quite a while and never lost a single packet from my desktop inside Comcast. I don't think I'm hitting the problematic node, though. If I'm reading the results above correctly, in all cases the problem begins when traffic hits <span style="color:rgb(0,0,0);white-space:pre-wrap"><a href="http://po4-20G.ar2.SJC2.gblx.net">po4-20G.ar2.SJC2.gblx.net</a>.</span><div>
<span style="color:rgb(0,0,0);white-space:pre-wrap"><br></span></div><div style><span style="color:rgb(0,0,0);white-space:pre-wrap">Am I misreading that?</span></div><div style><span style="color:rgb(0,0,0);white-space:pre-wrap"><br>
</span></div><div style><span style="color:rgb(0,0,0);white-space:pre-wrap">Regards,</span></div><div style><span style="color:rgb(0,0,0);white-space:pre-wrap">John</span></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Sat, Jan 19, 2013 at 1:20 PM, Constantine A. Murenin <span dir="ltr"><<a href="mailto:mureninc@gmail.com" target="_blank">mureninc@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On Sat, Jan 19, 2013 at 11:52:04AM -0800, Constantine A. Murenin wrote:<br>
> On Sat, 19 Jan 2013 at 11:04:14 -0800, Dylan N wrote:<br>
> > I get packetloss on <a href="http://te-1-12-0-0-ar01.sfsutro.ca.sfba.comcast.net" target="_blank">te-1-12-0-0-ar01.sfsutro.ca.sfba.comcast.net</a> to my<br>
> > linode @ fmt at weekends and at nights, looks more like just too much<br>
> > load rather than an outage<br>
><br>
> In my case, all packet loss seem to be within <a href="http://gblx.net" target="_blank">gblx.net</a><br>
> (e.g. no packet loss between Comcast and <a href="http://hetzner.de" target="_blank">hetzner.de</a>).<br>
><br>
> What I find strange is that the latency is still very good,<br>
> even when there is a significant packet loss.<br>
><br>
> But my ssh connection between Comcast and Linode/Fremont is completely<br>
> unusable for several seconds at a time during these events.<br>
><br>
><br>
> The loss seems to have continued throughout last night:<br>
><br>
> 2013-01-19T01:50:04-0800<br>
> HOST: li163-### Snt Rcv Loss% Best Avg Wrst StDev<br>
> 1. <a href="http://router1-fmt.linode.com" target="_blank">router1-fmt.linode.com</a> 600 600 0.0% 0.5 6.6 268.8 18.5<br>
> 2. <a href="http://10gigabitethernet2-3.core1.fmt1.he.net" target="_blank">10gigabitethernet2-3.core1.fmt1.he.net</a> 600 600 0.0% 0.5 12.8 1385. 66.3<br>
> 3. <a href="http://10gigabitethernet1-2.core1.sjc2.he.net" target="_blank">10gigabitethernet1-2.core1.sjc2.he.net</a> 600 600 0.0% 0.7 4.4 28.9 5.1<br>
> 4. <a href="http://Port-channel100.ar3.SJC2.gblx.net" target="_blank">Port-channel100.ar3.SJC2.gblx.net</a> 600 600 0.0% 0.8 28.2 234.0 54.8<br>
> 5. <a href="http://po6-20G.ar4.SJC2.gblx.net" target="_blank">po6-20G.ar4.SJC2.gblx.net</a> 600 579 3.5% 0.9 <a href="tel:32.1%20888.1%2066.0" value="+13218881660">32.1 888.1 66.0</a><br>
> 6. <a href="http://lag8.ar5.SJC2.gblx.net" target="_blank">lag8.ar5.SJC2.gblx.net</a> 600 570 5.0% 0.9 4.4 20.9 5.1<br>
> <a href="tel:7.%20208.178.58.2" value="+17208178582">7. 208.178.58.2</a> 600 572 4.7% 1.8 4.1 14.4 1.3<br>
> 8. <a href="http://pos-2-7-0-0-cr01.sanjose.ca.ibone.comcast.net" target="_blank">pos-2-7-0-0-cr01.sanjose.ca.ibone.comcast.net</a> 600 575 4.2% 4.8 7.7 43.1 2.9<br>
> 9. <a href="http://pos-1-4-0-0-cr01.sacramento.ca.ibone.comcast.net" target="_blank">pos-1-4-0-0-cr01.sacramento.ca.ibone.comcast.net</a> 600 574 4.3% 7.1 9.3 20.2 1.5<br>
> 10. <a href="http://te-7-3-ar02.saltlakecity.ut.utah.comcast.net" target="_blank">te-7-3-ar02.saltlakecity.ut.utah.comcast.net</a> 600 573 4.5% 7.3 11.9 115.7 17.6<br>
> 11. <a href="http://te-3-1-ur08.sacramento.ca.ccal.comcast.net" target="_blank">te-3-1-ur08.sacramento.ca.ccal.comcast.net</a> 600 574 4.3% 7.5 8.3 155.6 6.6<br>
> 12. <a href="http://te-1-0-0-ten05.sacramento.ca.ccal.comcast.net" target="_blank">te-1-0-0-ten05.sacramento.ca.ccal.comcast.net</a> 600 581 3.2% 14.1 14.3 25.1 1.3<br>
> 13. 74-93-180-##-<a href="http://Sacramento.hfc.comcastbusiness.net" target="_blank">Sacramento.hfc.comcastbusiness.net</a> 600 572 4.7% 14.1 20.5 83.9 8.8<br>
> 2013-01-19T02:00:04-0800<br>
><br>
> 2013-01-19T01:50:44-0800<br>
> HOST: hype.####.########## Snt Rcv Loss% Best Avg Wrst StDev<br>
> 1. logout.lan 60 60 0.0% 2.1 7.1 35.2 6.5<br>
> 2. 192.168.1.1 60 60 0.0% 2.5 8.6 41.3 6.7<br>
> 3. 10.1.10.1 60 60 0.0% 3.1 10.3 49.8 8.4<br>
> 4. 96.120.14.165 60 60 0.0% 11.3 22.7 75.3 11.7<br>
> 5. <a href="http://te-6-5-ur08.sacramento.ca.ccal.comcast.net" target="_blank">te-6-5-ur08.sacramento.ca.ccal.comcast.net</a> 60 60 0.0% 12.3 22.8 66.1 12.1<br>
> 6. <a href="http://te-0-2-0-2-ar03.sacramento.ca.sacra.comcast.net" target="_blank">te-0-2-0-2-ar03.sacramento.ca.sacra.comcast.net</a> 60 60 0.0% 11.8 26.3 101.6 18.3<br>
> 7. <a href="http://pos-0-3-0-0-cr01.sacramento.ca.ibone.comcast.net" target="_blank">pos-0-3-0-0-cr01.sacramento.ca.ibone.comcast.net</a> 60 60 0.0% 14.8 26.8 85.3 14.1<br>
> 8. <a href="http://pos-0-3-0-0-cr01.sanjose.ca.ibone.comcast.net" target="_blank">pos-0-3-0-0-cr01.sanjose.ca.ibone.comcast.net</a> 60 60 0.0% 15.6 28.2 71.6 10.3<br>
> 9. <a href="http://pos-0-1-0-0-pe01.11greatoaks.ca.ibone.comcast.net" target="_blank">pos-0-1-0-0-pe01.11greatoaks.ca.ibone.comcast.net</a> 60 60 0.0% 20.8 30.6 92.6 12.2<br>
> 10. 208.178.58.1 60 60 0.0% 18.6 34.8 98.6 16.6<br>
> 11. <a href="http://po4-20G.ar2.SJC2.gblx.net" target="_blank">po4-20G.ar2.SJC2.gblx.net</a> 60 60 0.0% 17.5 <a href="tel:61.6%20273.3%20%2066.9" value="+16162733669">61.6 273.3 66.9</a><br>
> 12. <a href="http://po1-20G.ar3.SJC2.gblx.net" target="_blank">po1-20G.ar3.SJC2.gblx.net</a> 60 47 21.7% 17.8 48.2 238.7 51.7<br>
> 13. <a href="http://Hurrican-Electric-LLC.Port-channel100.ar3.SJC2.gblx.net" target="_blank">Hurrican-Electric-LLC.Port-channel100.ar3.SJC2.gblx.net</a> 60 44 26.7% 17.1 30.5 69.8 11.6<br>
> 14. <a href="http://10gigabitethernet1-1.core1.fmt1.he.net" target="_blank">10gigabitethernet1-1.core1.fmt1.he.net</a> 60 43 28.3% <a href="tel:21.5%20%2055.2%20598.8" value="+12155525988">21.5 55.2 598.8</a> 87.9<br>
> 15. <a href="http://router1-fmt.linode.com" target="_blank">router1-fmt.linode.com</a> 60 44 26.7% 18.3 44.0 187.1 34.4<br>
> 16. li163-###.<a href="http://members.linode.com" target="_blank">members.linode.com</a> 60 43 28.3% 17.8 29.0 68.1 8.6<br>
> 2013-01-19T01:51:55-0800<br>
<br>
<br>
It's been a 61% packet loss in the last minute... Ridiculous.<br>
<br>
2013-01-19T12:15:15-0800<br>
HOST: hype.####.########## Snt Rcv Loss% Best Avg Wrst StDev<br>
1. logout.lan 60 60 0.0% 2.1 18.8 222.7 50.1<br>
2. 192.168.1.1 60 60 0.0% 2.3 20.4 421.0 65.5<br>
3. 10.1.10.1 60 60 0.0% 3.0 22.9 357.1 57.2<br>
4. 96.120.14.165 60 60 0.0% 9.6 29.3 306.7 54.4<br>
5. <a href="http://te-6-5-ur08.sacramento.ca.ccal.comcast.net" target="_blank">te-6-5-ur08.sacramento.ca.ccal.comcast.net</a> 60 60 0.0% 10.3 34.2 265.3 51.9<br>
6. <a href="http://te-0-2-0-2-ar03.sacramento.ca.sacra.comcast.net" target="_blank">te-0-2-0-2-ar03.sacramento.ca.sacra.comcast.net</a> 60 60 0.0% 9.8 33.1 185.6 43.3<br>
7. <a href="http://pos-0-4-0-0-cr01.sacramento.ca.ibone.comcast.net" target="_blank">pos-0-4-0-0-cr01.sacramento.ca.ibone.comcast.net</a> 60 60 0.0% 11.8 <a href="tel:32.3%20234.3%20%2042.8" value="+13232343428">32.3 234.3 42.8</a><br>
8. <a href="http://pos-0-3-0-0-cr01.sanjose.ca.ibone.comcast.net" target="_blank">pos-0-3-0-0-cr01.sanjose.ca.ibone.comcast.net</a> 60 60 0.0% 15.6 <a href="tel:31.7%20282.1%20%2041.5" value="+13172821415">31.7 282.1 41.5</a><br>
9. <a href="http://pos-0-1-0-0-pe01.11greatoaks.ca.ibone.comcast.net" target="_blank">pos-0-1-0-0-pe01.11greatoaks.ca.ibone.comcast.net</a> 60 60 0.0% 18.1 <a href="tel:36.0%20221.3%20%2038.0" value="+13602213380">36.0 221.3 38.0</a><br>
10. 208.178.58.1 60 60 0.0% 17.1 40.8 366.8 51.5<br>
11. <a href="http://po4-20G.ar2.SJC2.gblx.net" target="_blank">po4-20G.ar2.SJC2.gblx.net</a> 60 59 1.7% 16.8 58.3 291.6 68.0<br>
12. <a href="http://po1-20G.ar3.SJC2.gblx.net" target="_blank">po1-20G.ar3.SJC2.gblx.net</a> 60 46 23.3% 16.8 67.3 258.6 66.5<br>
13. <a href="http://Hurrican-Electric-LLC.Port-channel100.ar3.SJC2.gblx.net" target="_blank">Hurrican-Electric-LLC.Port-channel100.ar3.SJC2.gblx.net</a> 60 48 20.0% 17.3 34.9 155.8 32.0<br>
14. <a href="http://10gigabitethernet1-1.core1.fmt1.he.net" target="_blank">10gigabitethernet1-1.core1.fmt1.he.net</a> 60 19 68.3% 18.3 50.4 117.8 32.2<br>
15. <a href="http://router1-fmt.linode.com" target="_blank">router1-fmt.linode.com</a> 60 22 63.3% 19.1 66.3 287.3 64.2<br>
16. li163-###.<a href="http://members.linode.com" target="_blank">members.linode.com</a> 60 23 61.7% 18.3 <a href="tel:42.5%20213.8%20%2048.7" value="+14252138487">42.5 213.8 48.7</a><br>
2013-01-19T12:16:27-0800<br>
<br>
<br>
Anyone from <a href="http://he.net" target="_blank">he.net</a> / <a href="http://gblx.net" target="_blank">gblx.net</a> / <a href="http://comcast.net" target="_blank">comcast.net</a> to comment?<br>
<br>
Best regards,<br>
Constantine.<br>
_______________________________________________<br>
Outages mailing list<br>
<a href="mailto:Outages@outages.org">Outages@outages.org</a><br>
<a href="https://puck.nether.net/mailman/listinfo/outages" target="_blank">https://puck.nether.net/mailman/listinfo/outages</a><br>
</blockquote></div><br></div>