<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Google public dns is anycast so trying to hit from a different location will most likely result in a different destination.</div><div class="gmail_default"><font face="verdana, sans-serif"><a href="https://developers.google.com/speed/public-dns/faq">https://developers.google.com/speed/public-dns/faq</a></font><br></div><div class="gmail_default"><font face="verdana, sans-serif"><br></font></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><div dir="ltr">Matt Blackstone<div>Network Engineer</div><div><br></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Mon, Aug 29, 2016 at 1:54 PM, Damian Menscher via Outages <span dir="ltr"><<a href="mailto:outages@outages.org" target="_blank">outages@outages.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">This appears to be a problem on the Level3 network in the DFW region, which is why only some of you see it. (Those who don't see it are in other regions, peering with Google directly, or using other transit providers.)<div><br></div><div>For those seeing issues, I suggest escalating to Level3, perhaps after trying a reverse-traceroute from <a href="http://lg.level3.net/" target="_blank">http://lg.level3.net/</a> (I can't do this test since you didn't specify your source IP.)</div><div><br></div><div>Damian</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Mon, Aug 29, 2016 at 11:14 AM, Dan White <span dir="ltr"><<a href="mailto:dwhite@olp.net" target="_blank">dwhite@olp.net</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">We are seeing packet loss to google hosts, hosted in Dallas. Any anyone seeing this?<br>
<br>
MTR output:<br>
<br>
Host Loss% Snt Last Avg Best Wrst StDev<br>
1. 10.0.2.1 0.0% 51 2.4 1.9 0.5 5.2 0.7<br>
2. <a href="http://olp-67-217-152-5.olp.net" rel="noreferrer" target="_blank">olp-67-217-152-5.olp.net</a> 0.0% 51 0.4 3.7 0.3 27.8 4.9<br>
3. <a href="http://olp-67-217-158-29.olp.net" rel="noreferrer" target="_blank">olp-67-217-158-29.olp.net</a> 0.0% 50 0.3 4.5 0.3 22.0 5.3<br>
4. <a href="http://olp-67-217-151-125.olp.net" rel="noreferrer" target="_blank">olp-67-217-151-125.olp.net</a> 0.0% 50 0.6 4.9 0.6 33.3 6.8<br>
5. <a href="http://olp-67-217-158-30.olp.net" rel="noreferrer" target="_blank">olp-67-217-158-30.olp.net</a> 0.0% 50 0.6 6.4 0.5 64.0 10.5<br>
6. <a href="http://olp-67-217-158-21.olp.net" rel="noreferrer" target="_blank">olp-67-217-158-21.olp.net</a> 0.0% 50 11.4 4.4 1.1 13.6 4.1<br>
7. <a href="http://xe-8-3-0.bar2.tulsa2.level3.net" rel="noreferrer" target="_blank">xe-8-3-0.bar2.tulsa2.level3.ne<wbr>t</a> 0.0% 50 1.2 2.7 1.2 27.5 5.5<br>
8. <a href="http://ae-0-11.bar1.tulsa2.level3.net" rel="noreferrer" target="_blank">ae-0-11.bar1.tulsa2.level3.net</a><wbr> 0.0% 50 2.0 4.1 1.9 44.5 7.8<br>
9. <a href="http://ae-3-3.ebr4.dallas1.level3.net" rel="noreferrer" target="_blank">ae-3-3.ebr4.dallas1.level3.net</a> 91.8% 50 20.5 20.5 20.5 20.5 0.0<br>
10. <a href="http://ae-8-0.ear3.dallas1.level3.net" rel="noreferrer" target="_blank">ae-8-0.ear3.dallas1.level3.net</a> 93.9% 50 20.6 20.6 20.6 20.7 0.0<br>
11. google-level3-100g.dallas1.lev<wbr>e28.0% 50 20.5 20.7 20.4 29.6 1.5<br>
12. 108.170.240.193 22.0% 50 20.8 20.7 20.7 20.9 0.0<br>
<a href="tel:13.%2064.233.175.9" value="+13642331759" target="_blank">13. 64.233.175.9</a> 26.0% 50 20.7 20.7 20.7 20.8 0.0<br>
14. <a href="http://google-public-dns-a.google.com" rel="noreferrer" target="_blank">google-public-dns-a.google.com</a> 24.0% 50 20.5 20.6 20.5 25.9 0.9<br>
<br>
The problematic hop appears to be either 10 or 11 (level3-100g). Compare to:<br>
<br>
Host Loss% Snt Last Avg Best Wrst StDev<br>
1. 10.0.2.1 0.0% 124 0.8 1.6 0.5 4.6 0.5<br>
2. <a href="http://olp-67-217-152-5.olp.net" rel="noreferrer" target="_blank">olp-67-217-152-5.olp.net</a> 0.0% 124 3.8 4.3 0.3 29.9 5.6<br>
3. <a href="http://olp-67-217-158-29.olp.net" rel="noreferrer" target="_blank">olp-67-217-158-29.olp.net</a> 0.0% 124 0.3 3.5 0.3 26.1 4.9<br>
4. <a href="http://olp-67-217-151-125.olp.net" rel="noreferrer" target="_blank">olp-67-217-151-125.olp.net</a> 0.0% 124 6.6 3.3 0.6 20.0 3.7<br>
5. <a href="http://olp-67-217-158-30.olp.net" rel="noreferrer" target="_blank">olp-67-217-158-30.olp.net</a> 0.0% 124 0.6 7.1 0.6 44.1 9.8<br>
6. <a href="http://olp-67-217-158-21.olp.net" rel="noreferrer" target="_blank">olp-67-217-158-21.olp.net</a> 0.8% 124 11.9 4.8 1.1 14.9 4.3<br>
7. <a href="http://xe-8-3-0.bar2.tulsa2.level3.net" rel="noreferrer" target="_blank">xe-8-3-0.bar2.tulsa2.level3.ne<wbr>t</a> 0.0% 123 1.3 4.0 1.1 68.3 11.3<br>
8. <a href="http://ae-0-11.bar1.tulsa2.level3.net" rel="noreferrer" target="_blank">ae-0-11.bar1.tulsa2.level3.net</a><wbr> 0.8% 123 2.1 3.9 1.9 62.3 8.1<br>
9. <a href="http://ae-3-3.ebr4.dallas1.level3.net" rel="noreferrer" target="_blank">ae-3-3.ebr4.dallas1.level3.net</a> 94.3% 123 20.5 20.6 20.5 20.6 0.0<br>
10. ae-2-3512.edge2.dallas1.level3<wbr>. 0.0% 123 20.4 22.1 20.3 68.0 7.1<br>
11. <a href="http://b.resolvers.level3.net" rel="noreferrer" target="_blank">b.resolvers.level3.net</a> 0.0% 123 20.2 20.3 20.2 22.8 0.3</div></div><span><font color="#888888"><div><div class="h5"><br>
<br>
-- <br>
Dan White<br>
BTC Broadband<br>
Network Admin Lead<br>
Ph <a href="tel:918.366.0248" value="+19183660248" target="_blank">918.366.0248</a> (direct) main: <a href="tel:%28918%29366-8000" value="+19183668000" target="_blank">(918)366-8000</a><br>
Fax <a href="tel:918.366.6610" value="+19183666610" target="_blank">918.366.6610</a> email: <a href="mailto:dwhite@olp.net" target="_blank">dwhite@olp.net</a><br>
<a href="http://www.btcbroadband.com" rel="noreferrer" target="_blank">http://www.btcbroadband.com</a><br>
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