Comcast NOC - Bad IPv6 Routing
Robert Webb
rwfireguru at gmail.com
Sun Feb 16 04:08:43 UTC 2020
Could someone from Comcast NOC contact me off list.
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.
Traceroute looks like below:
Tracing route to 2001:558:6035:3c:79bb:f773:ab2:6bcd over a maximum of 30
hops
1 <1 ms <1 ms <1 ms 2601:5ca:c301:4c90::1
2 11 ms 11 ms 10 ms 2001:558:4053:b::1
3 7 ms 7 ms 8 ms 2001:558:182:112::1
4 20 ms 9 ms 9 ms
ae-45-ar02.staplesmllrd.va.richmond.comcast.net [2001:558:180:2005::1]
5 26 ms 30 ms 24 ms
be-21508-cr02.56marietta.ga.ibone.comcast.net [2001:558:0:f787::1]
6 22 ms * 23 ms be-1202-cs02.56marietta.ga.ibone.comcast.net
[2001:558:3:12::1]
7 * 28 ms * be-1211-cr11.56marietta.ga.ibone.comcast.net
[2001:558:3:2::2]
8 * * * Request timed out.
9 * * * Request timed out.
10 36 ms * * be-1402-cr02.ashburn.va.ibone.comcast.net
[2001:558:3:2d::2]
11 * * * Request timed out.
12 39 ms 43 ms 42 ms 2001:558:380:29c::2
13 42 ms 45 ms 50 ms te-5-1-0-cbr01.taylor.wv.pitt.comcast.net
[2001:558:382:fe58::2]
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
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