Hello,
I use Ubuntu 18.04 and installed miredo to use teredo tunneling.
The HE-SIT tunnel is being blocked by my provider, teredo traffic passes.
The problem is I can't reach some addresses.
Here a working one
root@amd-server:~# ping6 golem.de
PING golem.de(golem.de (2a00:13c8:f5::f:4b3d:148)) 56 data bytes
64 bytes from golem.de (2a00:13c8:f5::f:4b3d:148): icmp_seq=1 ttl=60 time=186 ms
64 bytes from golem.de (2a00:13c8:f5::f:4b3d:148): icmp_seq=3 ttl=60 time=48.8 ms
64 bytes from golem.de (2a00:13c8:f5::f:4b3d:148): icmp_seq=4 ttl=60 time=45.2 ms
^C
--- golem.de ping statistics ---
4 packets transmitted, 3 received, 25% packet loss, time 3030ms
rtt min/avg/max/mdev = 45.281/93.633/186.752/65.861 ms
root@amd-server:~#
And a non-working
root@amd-server:~# ping6 heise.de
PING heise.de(redirector.heise.de (2a02:2e0:3fe:1001:302::)) 56 data bytes
From amd-server (2001:0:c38c:c38c:2ca5:11cd:dae7:df58) icmp_seq=11 Destination unreachable: Address unreachable
From amd-server (2001:0:c38c:c38c:2ca5:11cd:dae7:df58) icmp_seq=12 Destination unreachable: Address unreachable
^C
--- heise.de ping statistics ---
12 packets transmitted, 0 received, +2 errors, 100% packet loss, time 11231ms
root@amd-server:~#
The IPv6 address is also reachable through my HE-Tunnel on another network, so it is not a problem of the site's config.
There are also more addresses that are not reachable.
root@amd-server:~# traceroute6 golem.de
traceroute to golem.de (2a00:13c8:f5::f:4b3d:148) from 2001:0:c38c:c38c:2ca5:11cd:dae7:df58, 30 hops max, 24 byte packets
1 * * 6to4.ams1.he.net (2001:470:0:190::2) 93,563 ms
2 10gigabitethernet9.switch2.ams1.he.net (2001:470:0:190::1) 28,658 ms 38,018 ms 41,955 ms
3 * * *
4 xe-11-1-0-0.blu1-r2.syseleven.net (2a00:13c8:10:c::) 114,63 ms 43,023 ms 42,636 ms
5 golem.de (2a00:13c8:f5::f:4b3d:148) 42,342 ms 43,234 ms 40,245 ms
root@amd-server:~#
root@amd-server:~# traceroute6 heise.de
traceroute to heise.de (2a02:2e0:3fe:1001:302::) from 2001:0:c38c:c38c:2ca5:11cd:dae7:df58, 30 hops max, 24 byte packets
1 * * *
2 * amd-server (2001:0:c38c:c38c:2ca5:11cd:dae7:df58) 0,134 ms !H 0,061 ms !H
root@amd-server:~#
root@amd-server:~# ip -6 route show
::1 dev lo proto kernel metric 256 pref medium
2001::/32 dev teredo proto kernel metric 256 pref medium
fe80::/64 dev teredo proto kernel metric 256 pref medium
default dev teredo metric 1029 pref medium
root@amd-server:~#
here from another network with HE tunnel.
user@ubuntu-zbook:~$ traceroute6 heise.de
traceroute zu heise.de (2a02:2e0:3fe:1001:302::) von 2001:470:1f0b:3da:c072:62f0:5553:fef, 30 hops max, 24 byte packets
1 2001:470:1f0b:3da::1 (2001:470:1f0b:3da::1) 6,8088 ms 1,6686 ms 1,4980 ms
2 tunnel557714.tunnel.tserv6.fra1.ipv6.he.net (2001:470:1f0a:3db::1) 30,2908 ms * *
3 10ge3-18.core1.fra1.he.net (2001:470:0:69::1) 24,0092 ms 22,9750 ms 26,5066 ms
4 * * *
5 * 2a02:2e0:12:19::1 (2a02:2e0:12:19::1) 25,1772 ms 23,0703 ms
6 2a02:2e0:12:32::2 (2a02:2e0:12:32::2) 23,5675 ms 27,4573 ms *
7 2a02:2e0:3fe:0:c::1 (2a02:2e0:3fe:0:c::1) 24,2054 ms !X 24,4846 ms !X 24,1571 ms !X
user@ubuntu-zbook:~$
What is the problem here?
Kind regards