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I’m not seeing anything wrong with ICMP through Cox:
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<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">[keiths@nagios ~]$ ping6
<a href="http://www.rackspace.com" class="">www.rackspace.com</a></div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">PING <a href="http://www.rackspace.com" class="">
www.rackspace.com</a>(2001:4801:1221:101:1c10:0:f5:116) 56 data bytes</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=1 ttl=53 time=42.6 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=2 ttl=53 time=42.1 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=3 ttl=53 time=45.0 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=4 ttl=53 time=50.0 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=5 ttl=53 time=41.1 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=6 ttl=53 time=42.2 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=7 ttl=53 time=41.3 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=8 ttl=53 time=41.4 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=9 ttl=53 time=40.9 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=10 ttl=53 time=41.7 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=11 ttl=53 time=42.3 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=12 ttl=53 time=40.7 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=13 ttl=53 time=42.2 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=14 ttl=53 time=40.9 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=15 ttl=53 time=48.3 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=16 ttl=53 time=43.9 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=17 ttl=53 time=42.6 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=18 ttl=53 time=44.6 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=19 ttl=53 time=56.3 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=20 ttl=53 time=41.8 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=21 ttl=53 time=47.9 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">64 bytes from 2001:4801:1221:101:1c10:0:f5:116: icmp_seq=22 ttl=53 time=40.4 ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">^C</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">--- <a href="http://www.rackspace.com" class="">
www.rackspace.com</a> ping statistics ---</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">22 packets transmitted, 22 received, 0% packet loss, time 21665ms</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">rtt min/avg/max/mdev = 40.440/43.708/56.360/3.769 ms</div>
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<div class="">On Feb 12, 2016, at 12:39 PM, Frank Bulk via Outages <<a href="mailto:outages@outages.org" class="">outages@outages.org</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">Since 12:01 pm (U.S. Central) our monitoring system has seen HTTPv6 timeouts<br class="">
(10 seconds) to <a href="http://www.rackspace.com" class="">http://www.rackspace.com</a>. I see no issues on downdetector,<br class="">
twitter, or <a href="http://status.rackspace.com" class="">status.rackspace.com</a>, but it's what I'm seeing.<br class="">
<br class="">
Frank<br class="">
<br class="">
<br class="">
root@nagios:/tmp# dig AAAA <a href="http://www.rackspace.com" class="">www.rackspace.com</a> +short<br class="">
<a href="http://wwwp.wip.rackspace.com" class="">wwwp.wip.rackspace.com</a>.<br class="">
2001:4801:1221:101:1c10:0:f5:116<br class="">
root@nagios:/tmp#<br class="">
<br class="">
root@nagios:/tmp# tcptraceroute6 <a href="http://www.rackspace.com" class="">www.rackspace.com</a><br class="">
traceroute to <a href="http://www.rackspace.com" class="">www.rackspace.com</a> (2001:4801:1221:101:1c10:0:f5:116) from<br class="">
2607:fe28:0:1000::5, port 80, from port 46878, 30 hops max, 60 bytes packets<br class="">
1 <a href="http://router-core.mtcnet.net" class="">router-core.mtcnet.net</a> (2607:fe28:0:1000::1) 0.243 ms 0.200 ms 0.215<br class="">
ms<br class="">
2 <a href="http://sxct.spnc.mtcnet.net" class="">sxct.spnc.mtcnet.net</a> (2607:fe28:11:1002::194) 0.265 ms 0.143 ms 0.252<br class="">
ms<br class="">
3 <a href="http://v6-premier.movl-mlx.fbnt.netins.net" class="">v6-premier.movl-mlx.fbnt.netins.net</a> (2001:5f8:7f0a:1::1) 5.026 ms<br class="">
4.951 ms 4.996 ms<br class="">
4 <a href="http://v6-ins-kb1-te-12-2-3031.kmrr.netins.net" class="">v6-ins-kb1-te-12-2-3031.kmrr.netins.net</a> (2001:5f8:2:2::1) 8.742 ms<br class="">
8.502 ms 8.589 ms<br class="">
5 <a href="http://v6-ins-kc1-et-9-3.kmrr.netins.net" class="">v6-ins-kc1-et-9-3.kmrr.netins.net</a> (2001:5f8::28:1) 8.844 ms 9.122 ms<br class="">
8.753 ms<br class="">
6 2001:438:fffe::e99 (2001:438:fffe::e99) 13.985 ms 13.984 ms 13.963 ms<br class="">
7 ae5.cr1.<a href="http://ord2.us.zip.zayo.com" class="">ord2.us.zip.zayo.com</a> (2001:438:ffff::407d:1e59) 22.827 ms<br class="">
22.788 ms 22.808 ms<br class="">
8 ae9.mpr1.<a href="http://ord11.us.zip.zayo.com" class="">ord11.us.zip.zayo.com</a> (2001:438:ffff::407d:186a) 22.414 ms<br class="">
22.419 ms 22.410 ms<br class="">
9 ae4.mpr1.<a href="http://ord5.us.zip.zayo.com" class="">ord5.us.zip.zayo.com</a> (2001:438:ffff::407d:185e) 23.037 ms<br class="">
23.496 ms 22.727 ms<br class="">
10 * * *<br class="">
11 2001:4801:800:dc1:cb:: (2001:4801:800:dc1:cb::) 26.583 ms 26.508 ms<br class="">
26.925 ms<br class="">
12 2001:4801:800:dc1:cb::1 (2001:4801:800:dc1:cb::1) 26.423 ms 26.736 ms<br class="">
26.542 ms<br class="">
13 2001:4801:800:cb:c2::1 (2001:4801:800:cb:c2::1) 24.903 ms 24.096 ms<br class="">
24.082 ms<br class="">
14 2001:4801:800:c2:401a:1:0:1 (2001:4801:800:c2:401a:1:0:1) 26.168 ms<br class="">
26.109 ms 26.127 ms<br class="">
15 2001:4801:1221:101:1c10:0:f5:116 (2001:4801:1221:101:1c10:0:f5:116)<br class="">
26.837 ms [open] 27.032 ms 26.243 ms<br class="">
root@nagios:/tmp#<br class="">
<br class="">
<br class="">
NAGIOS log:<br class="">
Service Ok[02-12-2016 12:27:41] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;HARD;2;HTTP OK: HTTP/1.1 200 OK - 73966 bytes in<br class="">
0.626 second response time<br class="">
Service Critical[02-12-2016 12:26:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;HARD;2;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Critical[02-12-2016 12:25:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Ok[02-12-2016 12:24:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;HARD;2;HTTP OK: HTTP/1.1 200 OK - 73998 bytes in<br class="">
9.183 second response time<br class="">
Service Critical[02-12-2016 12:22:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;HARD;2;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Critical[02-12-2016 12:21:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Ok[02-12-2016 12:18:41] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;HARD;2;HTTP OK: HTTP/1.1 200 OK - 73965 bytes in<br class="">
2.579 second response time<br class="">
Service Critical[02-12-2016 12:17:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;HARD;2;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Critical[02-12-2016 12:16:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Ok[02-12-2016 12:13:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;SOFT;2;HTTP OK: HTTP/1.1 200 OK - 73965 bytes in<br class="">
9.002 second response time<br class="">
Service Critical[02-12-2016 12:12:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Ok[02-12-2016 12:11:41] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;SOFT;2;HTTP OK: HTTP/1.1 200 OK - 73964 bytes in<br class="">
0.847 second response time<br class="">
Service Critical[02-12-2016 12:10:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Ok[02-12-2016 12:09:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;SOFT;2;HTTP OK: HTTP/1.1 200 OK - 73990 bytes in<br class="">
7.554 second response time<br class="">
Service Critical[02-12-2016 12:08:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Ok[02-12-2016 12:06:41] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;SOFT;2;HTTP OK: HTTP/1.1 200 OK - 73989 bytes in<br class="">
2.260 second response time<br class="">
Service Critical[02-12-2016 12:05:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Ok[02-12-2016 12:04:41] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;OK;HARD;2;HTTP OK: HTTP/1.1 200 OK - 73989 bytes in<br class="">
1.530 second response time<br class="">
Service Critical[02-12-2016 12:02:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;HARD;2;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
Service Critical[02-12-2016 12:01:51] SERVICE ALERT:<br class="">
www_rackspace_com;HTTPv6;CRITICAL;SOFT;1;CRITICAL - Socket timeout after 10<br class="">
seconds<br class="">
<br class="">
_______________________________________________<br class="">
Outages mailing list<br class="">
<a href="mailto:Outages@outages.org" class="">Outages@outages.org</a><br class="">
https://puck.nether.net/mailman/listinfo/outages<br class="">
</div>
</blockquote>
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<div class=""><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; " class="">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; " class="">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">
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---</div>
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</div>
<div class="">Keith Stokes</div>
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</span><br class="Apple-interchange-newline">
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