Karl_Koscher
January 23rd, 2015, 10:28 PM
It looks like some of Ubuntu's IPv6 routes are broken, causing all sorts of issues (e.g. apt-get times out):
$ traceroute6 us.archive.ubuntu.com
traceroute to us.archive.ubuntu.com (2001:67c:1562::13) from 2607:f720:1300:1241:e1c3:5cb6:706:5427, 30 hops max, 24 byte packets
1 2607:f720:1300:1241::1 (2607:f720:1300:1241::1) 0.503 ms 0.339 ms 0.308 ms
2 2607:f720:13:2::5 (2607:f720:13:2::5) 4.663 ms 14.441 ms 0.842 ms
3 mx0-ucsd-b-core-vlan2760.ipv6.ucsd.edu (2607:f720:1a:2::2) 0.338 ms 0.31 ms 0.315 ms
4 hpr-lax-hpr--ucsd-10ge-2.cenic.net (2607:f380::108:9a41:a1d0) 3.358 ms 2.634 ms 2.65 ms
5 hpr-lax-agg6--lax-hpr.cenic.net (2607:f380::108:9a41:af60) 8.167 ms 8.146 ms 8.094 ms
6 2610:18:16:5800::15 (2610:18:16:5800::15) 7.766 ms 28.128 ms 7.786 ms
7 2610:18::5502 (2610:18::5502) 90.462 ms 91.1 ms 91.899 ms
8 2610:18::5902 (2610:18::5902) 88.752 ms 87.093 ms 87.981 ms
9 2610:18::5802 (2610:18::5802) 89.357 ms 91.048 ms 88.012 ms
10 mcr2.cambridge-ma.us.xo.net (2610:18::302c) 86.226 ms 86.226 ms 86.19 ms
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
However, not all routes seem broken:
$ traceroute6 us.archive.ubuntu.com
traceroute to us.archive.ubuntu.com (2001:67c:1562::13), 30 hops max, 80 byte packets
1 2607:4000:200:15::2 (2607:4000:200:15::2) 0.283 ms 0.273 ms 0.263 ms
2 * * *
3 ae1--24.uwbr-atg-1.infra.washington.edu (2607:4000:ff01:9::3) 1.451 ms 1.364 ms 1.359 ms
4 ae0--4010.icar-sttl1-2.infra.pnw-gigapop.net (2001:1860:4000:3001::134) 0.736 ms 0.738 ms 0.732 ms
5 xe-0-3-0.11.rtr.seat.net.internet2.edu (2001:468:ffff:16c2::1) 0.782 ms 1.126 ms 0.772 ms
6 * * *
7 lo-0.1.rtr.paix.net.internet2.edu (2001:468:ff0b::1) 32.741 ms 32.921 ms 32.915 ms
8 2001:450:2001:8006::1 (2001:450:2001:8006::1) 36.560 ms 36.531 ms 36.541 ms
9 te0-7-0-21.ccr21.sjc03.atlas.cogentco.com (2001:550:3::d) 29.153 ms 29.159 ms 29.247 ms
10 be2047.ccr22.sjc01.atlas.cogentco.com (2001:550:0:1000::9a36:571) 29.106 ms 29.310 ms 29.326 ms
11 be2165.ccr22.sfo01.atlas.cogentco.com (2001:550:0:1000::9a36:1c41) 29.268 ms 29.052 ms 28.911 ms
12 be2133.ccr22.mci01.atlas.cogentco.com (2001:550:0:1000::9a36:1e42) 60.342 ms 60.634 ms 60.418 ms
13 be2157.ccr42.ord01.atlas.cogentco.com (2001:550:0:1000::9a36:676) 72.286 ms 72.038 ms 72.441 ms
14 be2138.ccr22.bos01.atlas.cogentco.com (2001:550:0:1000::9a36:2bca) 94.872 ms 94.912 ms 94.780 ms
15 2001:550:2:2c::15:2 (2001:550:2:2c::15:2) 94.212 ms 94.360 ms 94.596 ms
16 ragana.canonical.com (2001:67c:1562::13) 101.286 ms 96.593 ms 97.379 ms
Any idea what's going on? This seems to have been broken for at least a week.
$ traceroute6 us.archive.ubuntu.com
traceroute to us.archive.ubuntu.com (2001:67c:1562::13) from 2607:f720:1300:1241:e1c3:5cb6:706:5427, 30 hops max, 24 byte packets
1 2607:f720:1300:1241::1 (2607:f720:1300:1241::1) 0.503 ms 0.339 ms 0.308 ms
2 2607:f720:13:2::5 (2607:f720:13:2::5) 4.663 ms 14.441 ms 0.842 ms
3 mx0-ucsd-b-core-vlan2760.ipv6.ucsd.edu (2607:f720:1a:2::2) 0.338 ms 0.31 ms 0.315 ms
4 hpr-lax-hpr--ucsd-10ge-2.cenic.net (2607:f380::108:9a41:a1d0) 3.358 ms 2.634 ms 2.65 ms
5 hpr-lax-agg6--lax-hpr.cenic.net (2607:f380::108:9a41:af60) 8.167 ms 8.146 ms 8.094 ms
6 2610:18:16:5800::15 (2610:18:16:5800::15) 7.766 ms 28.128 ms 7.786 ms
7 2610:18::5502 (2610:18::5502) 90.462 ms 91.1 ms 91.899 ms
8 2610:18::5902 (2610:18::5902) 88.752 ms 87.093 ms 87.981 ms
9 2610:18::5802 (2610:18::5802) 89.357 ms 91.048 ms 88.012 ms
10 mcr2.cambridge-ma.us.xo.net (2610:18::302c) 86.226 ms 86.226 ms 86.19 ms
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
However, not all routes seem broken:
$ traceroute6 us.archive.ubuntu.com
traceroute to us.archive.ubuntu.com (2001:67c:1562::13), 30 hops max, 80 byte packets
1 2607:4000:200:15::2 (2607:4000:200:15::2) 0.283 ms 0.273 ms 0.263 ms
2 * * *
3 ae1--24.uwbr-atg-1.infra.washington.edu (2607:4000:ff01:9::3) 1.451 ms 1.364 ms 1.359 ms
4 ae0--4010.icar-sttl1-2.infra.pnw-gigapop.net (2001:1860:4000:3001::134) 0.736 ms 0.738 ms 0.732 ms
5 xe-0-3-0.11.rtr.seat.net.internet2.edu (2001:468:ffff:16c2::1) 0.782 ms 1.126 ms 0.772 ms
6 * * *
7 lo-0.1.rtr.paix.net.internet2.edu (2001:468:ff0b::1) 32.741 ms 32.921 ms 32.915 ms
8 2001:450:2001:8006::1 (2001:450:2001:8006::1) 36.560 ms 36.531 ms 36.541 ms
9 te0-7-0-21.ccr21.sjc03.atlas.cogentco.com (2001:550:3::d) 29.153 ms 29.159 ms 29.247 ms
10 be2047.ccr22.sjc01.atlas.cogentco.com (2001:550:0:1000::9a36:571) 29.106 ms 29.310 ms 29.326 ms
11 be2165.ccr22.sfo01.atlas.cogentco.com (2001:550:0:1000::9a36:1c41) 29.268 ms 29.052 ms 28.911 ms
12 be2133.ccr22.mci01.atlas.cogentco.com (2001:550:0:1000::9a36:1e42) 60.342 ms 60.634 ms 60.418 ms
13 be2157.ccr42.ord01.atlas.cogentco.com (2001:550:0:1000::9a36:676) 72.286 ms 72.038 ms 72.441 ms
14 be2138.ccr22.bos01.atlas.cogentco.com (2001:550:0:1000::9a36:2bca) 94.872 ms 94.912 ms 94.780 ms
15 2001:550:2:2c::15:2 (2001:550:2:2c::15:2) 94.212 ms 94.360 ms 94.596 ms
16 ragana.canonical.com (2001:67c:1562::13) 101.286 ms 96.593 ms 97.379 ms
Any idea what's going on? This seems to have been broken for at least a week.