<div dir="auto"><div>Interesting - does a v4 traceroute follow the same path? I.e. Richmond CRAN -> ibone Atlanta -> ibone Ashburn -> Pitt CRAN</div><div dir="auto"><br></div><div dir="auto">Not having detailed knowledge of Comcast's network, I'd expect the Richmond CRAN has a link to the ibone in Ashburn since it's fairly close (though there may be a closer ibone location).<br><br><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Sat, Feb 15, 2020, 11:11 PM Robert Webb <<a href="mailto:rwfireguru@gmail.com">rwfireguru@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Could someone from Comcast NOC contact me off list.<div><br></div><div>Looks like IPv6 routing from Richmond, VA to Grafton, WV has issues. IPSEC tunnel between gets less than 5Mbps over IPv6, switching endpoints to IPv4, I get the full 25Mbps down capability of the WV connection.</div><div><br></div><div>Traceroute looks like below:</div><div><br></div><div>Tracing route to 2001:558:6035:3c:79bb:f773:ab2:6bcd over a maximum of 30 hops<br><br> 1 <1 ms <1 ms <1 ms 2601:5ca:c301:4c90::1<br> 2 11 ms 11 ms 10 ms 2001:558:4053:b::1<br> 3 7 ms 7 ms 8 ms 2001:558:182:112::1<br> 4 20 ms 9 ms 9 ms <a href="http://ae-45-ar02.staplesmllrd.va.richmond.comcast.net" target="_blank" rel="noreferrer">ae-45-ar02.staplesmllrd.va.richmond.comcast.net</a> [2001:558:180:2005::1]<br> 5 26 ms 30 ms 24 ms <a href="http://be-21508-cr02.56marietta.ga.ibone.comcast.net" target="_blank" rel="noreferrer">be-21508-cr02.56marietta.ga.ibone.comcast.net</a> [2001:558:0:f787::1]<br> 6 22 ms * 23 ms <a href="http://be-1202-cs02.56marietta.ga.ibone.comcast.net" target="_blank" rel="noreferrer">be-1202-cs02.56marietta.ga.ibone.comcast.net</a> [2001:558:3:12::1]<br> 7 * 28 ms * <a href="http://be-1211-cr11.56marietta.ga.ibone.comcast.net" target="_blank" rel="noreferrer">be-1211-cr11.56marietta.ga.ibone.comcast.net</a> [2001:558:3:2::2]<br> 8 * * * Request timed out.<br> 9 * * * Request timed out.<br> 10 36 ms * * <a href="http://be-1402-cr02.ashburn.va.ibone.comcast.net" target="_blank" rel="noreferrer">be-1402-cr02.ashburn.va.ibone.comcast.net</a> [2001:558:3:2d::2]<br> 11 * * * Request timed out.<br> 12 39 ms 43 ms 42 ms 2001:558:380:29c::2<br> 13 42 ms 45 ms 50 ms <a href="http://te-5-1-0-cbr01.taylor.wv.pitt.comcast.net" target="_blank" rel="noreferrer">te-5-1-0-cbr01.taylor.wv.pitt.comcast.net</a> [2001:558:382:fe58::2]<br> 14 * * * Request timed out.<br> 15 * * * Request timed out.<br> 16 * * * Request timed out.<br></div><div><br></div><div><br></div></div>
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