it looks that there's unreachable IPv6 prefix advertised at the venue. please stop this router advertisement (2001:468:1420:f::/64), or fix conectivity... with this configuration i can't use IPv6 to connect to my home. itojun itojun[coconut:~] traceroute6 -n -q1 2001:468:1420:f:220:e0ff:fe8d:3a8c traceroute6 to 2001:468:1420:f:220:e0ff:fe8d:3a8c (2001:468:1420:f:220:e0ff:fe8d:3a8c) from 2001:298:308:1:2ae:d0ff:fe00:3b, 30 hops max, 12 byte packets 1 2001:298:308:1:200:24ff:fec0:55de 0.878 ms 2 3ffe:8360:1000::2000 5.885 ms 3 3ffe:8360:1000::1 5.252 ms 4 3ffe:8360:1000:1::3 6.879 ms 5 3ffe:8360:0:1000::1:1 7.379 ms 6 2001:200:0:1800:230:48ff:fe41:4e50 5.001 ms 7 2001:200:0:1800::9c4:2 5.16 ms 8 2001:200:0:1800::9c4:0 5.142 ms 9 2001:200:0:6c01:290:27ff:fe3a:d8 5.557 ms 10 2001:200:0:6c01:209:11ff:fedb:19fe 144.071 ms 11 2001:468:ff:b17::1 390.569 ms 12 2001:468:ff:b17::2 389.938 ms 13 2001:468:ff:1317::1 390.554 ms 14 2001:468:ff:1213::1 402.714 ms 15 2001:468:ff:6c1::1 390.262 ms 16 2001:468:ff:306::1 397.108 ms 17 2001:468:ff:354::2 419.125 ms !A