from box that does v4 with 25 MB/s and stalls with v6: fs@bastion:~$ traceroute6.db 2001:558:1002:4:68:87:29:36 traceroute to 2001:558:1002:4:68:87:29:36 (2001:558:1002:4:68:87:29:36), 30 hops max, 40 byte packets 1 ge-1-2-0.cr-sirius.cgn1.hosteurope.de (2a01:488:fade::ba:c1:2) 0.416 ms 0.504 ms 0.593 ms 2 dssd-s2-rou-1022.DE.eurorings.net (2001:680:0:800f::1a1) 1.260 ms ffm-s1-rou-1022.DE.eurorings.net (2001:680:0:800f::1a5) 2.931 ms 3.043 ms 3 * * * 4 * * * 5 * nyk-s1-rou-1001.eurorings.net (2001:680::134:222:86:229) 95.185 ms * 6 2001:559:0:1f::2 (2001:559:0:1f::2) 91.304 ms te-0-10-0-4-pe01.111eighthave.ny.ibone.comcast.net (2001:559:0:1f::1) 88.750 ms 88.362 ms 7 te-0-10-0-4-pe01.111eighthave.ny.ibone.comcast.net (2001:559:0:1f::1) 89.617 ms pos-1-7-0-0-cr01.newyork.ny.ibone.comcast.net (::ffff:68.86.87.169) 93.361 ms 2001:559:0:1f::2 (2001:559:0:1f::2) 90.099 ms 8 * * * 9 te-9-4-ar01.ndceast.pa.bo.comcast.net (2001:558:e0:3::2) 93.070 ms te-4-3-ar01.philadelphia.pa.bo.comcast.net (2001:558:0:f668::2) 94.607 ms te-9-4-ar01.ndceast.pa.bo.comcast.net (2001:558:e0:3::2) 94.984 ms 10 te-9-4-ar01.ndceast.pa.bo.comcast.net (2001:558:e0:3::2) 94.421 ms * te-4-3-ar01.philadelphia.pa.bo.comcast.net (2001:558:0:f668::2) 93.290 ms 11 speedlab-www-ext01.ndceast.pa.bo.comcast.net (2001:558:1002:4:68:87:29:36) 94.848 ms 94.871 ms 92.901 ms fs@bastion:~$ traceroute6.db 68.87.29.36 traceroute to 68.87.29.36 (68.87.29.36), 30 hops max, 40 byte packets 1 ge-1-2-0.cr-sirius.cgn1.hosteurope.de (80.237.129.97) 0.251 ms 0.290 ms 0.329 ms 2 xe-0-1-0.cr-pollux.cgn3.he-core.de (80.237.129.114) 0.191 ms 0.190 ms 0.185 ms 3 62.157.250.113 (62.157.250.113) 0.813 ms 0.844 ms 0.866 ms 4 217.239.37.62 (217.239.37.62) 86.849 ms 86.848 ms 86.841 ms 5 te-1-10-0-0-pe01.111eighthave.ny.ibone.comcast.net (75.149.228.117) 87.336 ms 87.331 ms 87.325 ms 6 pos-1-12-0-0-cr01.newyork.ny.ibone.comcast.net (68.86.86.193) 90.502 ms 90.352 ms 90.339 ms 7 te-4-3-ar01.philadelphia.pa.bo.comcast.net (68.86.91.162) 92.005 ms 92.077 ms 92.172 ms 8 te-9-4-ar01.ndceast.pa.bo.comcast.net (68.86.228.2) 96.593 ms 96.681 ms 96.779 ms 9 te-4-1-ur03.ndceast.pa.bo.comcast.net (68.86.134.29) 96.418 ms 96.523 ms 96.559 ms 10 * * * 11 * * * 12 * * * 13 * * * 14 * * * 15 * * * 16 * * * 17 * * * 18 * * * 19 * * * 20 * *^C