No route to some IPv6 hosts from Warsaw IPv6 Tunnel

[kamil445]

Hi,

I have strange problem with route to some IPv6 hosts from Warsaw IPv6 tunnel.

example hosts without route from he tunnel:

2a04:4a43:426f:ba6a::21c7:5ef0 (Hutchison 3G UK Limited)
2607:fb90:9b03:408f:a4e4:5798:637f:887c (T-Mobile USA)

route to 2a04:4a43:426f:ba6a::21c7:5ef0 from my pc with he tunnel:

Code Select Expand

Tracing route to 2a04:4a43:426f:ba6a::21c7:5ef0 over a maximum of 30 hops

  1   70 ms   59 ms   65 ms  tunnel537988.tunnel.tserv28.waw1.ipv6.he.net [2001:470:70:447::1]
  2     *        *        *     Request timed out.
  3     *        *        *     Request timed out.
  4     *        *        *     Request timed out.
  5     *        *        *     Request timed out.
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *        *        *     Request timed out.
 20     *        *        *     Request timed out.
 21     *        *        *     Request timed out.
 22     *        *        *     Request timed out.
 23     *        *        *     Request timed out.
 24     *        *        *     Request timed out.
 25     *        *        *     Request timed out.
 26     *        *        *     Request timed out.
 27     *        *        *     Request timed out.
 28     *        *        *     Request timed out.
 29     *        *        *     Request timed out.
 30     *        *        *     Request timed out.

Trace complete.
traceroute to this ipv6 from server located in Germany - ServerGurus (AS211083)

Code Select Expand

traceroute to 2a04:4a43:426f:ba6a::21c7:5ef0 (2a04:4a43:426f:ba6a::21c7:5ef0), 50 hops max, 80 byte packets

 1  route02.dus.servergurus.de (2a11:6c0:1::18) [AS211083]  78.153 ms  78.662 ms  78.619 ms  78.588 ms  78.578 ms
 2  route01.dus.servergurus.de (2a11:6c0:1::17) [AS211083]  78.727 ms  78.620 ms  78.666 ms  78.579 ms  78.600 ms
 3  et-0-0-0.3000.cr01.dus06.xtom.de (2a03:d9c0:c0de:3000::1) [AS3214]  78.810 ms  78.807 ms  78.774 ms  78.739 ms  78.736 ms
 4  a5.waves.cr01.lon08.xtom.uk (2a09:0:1337:bad::224) [AS3214]  91.055 ms  12.518 ms 12.561 ms  12.492 ms  12.487 ms
 5  * * * * *
 6  2a04:4a44:0:834::2 (2a04:4a44:0:834::2) [AS60339]  13.189 ms  13.185 ms  13.336 ms
 2a04:4a44:0:835::2 (2a04:4a44:0:835::2) [AS60339]  13.523 ms  13.386 ms
 7  2a04:4a44:0:843::1 (2a04:4a44:0:843::1) [AS60339]  14.234 ms
 2a04:4a44:0:835::1 (2a04:4a44:0:835::1) [AS60339]  13.987 ms
 2a04:4a44:0:844::1 (2a04:4a44:0:844::1) [AS60339]  13.674 ms
 2a04:4a44:0:842::1 (2a04:4a44:0:842::1) [AS60339]  29.029 ms
 2a04:4a44:0:835::1 (2a04:4a44:0:835::1) [AS60339]  13.509 ms
 8  * * * * *
 9  2a04:4a44:7:840::2 (2a04:4a44:7:840::2) [AS60339]  14.135 ms
 2a04:4a44:7:83f::2 (2a04:4a44:7:83f::2) [AS60339]  14.117 ms
 2a04:4a44:7:840::2 (2a04:4a44:7:840::2) [AS60339]  13.909 ms  14.083 ms
 2a04:4a44:7:83f::2 (2a04:4a44:7:83f::2) [AS60339]  17.855 ms
10  2a04:4a44:7:81b::1 (2a04:4a44:7:81b::1) [AS60339]  17.802 ms  17.703 ms
 2a04:4a44:7:81c::1 (2a04:4a44:7:81c::1) [AS60339]  17.356 ms  16.967 ms
 2a04:4a44:7:81b::1 (2a04:4a44:7:81b::1) [AS60339]  15.256 ms
11  * * * * *
12  2a04:4a43:426f:ba6a::21c7:5ef0 (2a04:4a43:426f:ba6a::21c7:5ef0) [AS206067]  430.436 ms  51.976 ms  59.695 ms  60.289 ms  64.257 ms

route to 2607:fb90:9b03:408f:a4e4:5798:637f:887c from he tunnel:

Code Select Expand

Tracing route to 2607:fb90:9b03:408f:a4e4:5798:637f:887c over a maximum of 30 ho
ps

  1   84 ms   55 ms   71 ms  tunnel537988.tunnel.tserv28.waw1.ipv6.he.net [20
01:470:70:447::1]
  2     *        *        *     Request timed out.
  3     *        *        *     Request timed out.
  4     *        *        *     Request timed out.
  5     *        *        *     Request timed out.
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *        *        *     Request timed out.
 20  ^C
route to 2607:fb90:9b03:408f:a4e4:5798:637f:887c from germany server located in ServerGurus (AS211083)

Code Select Expand

traceroute to 2607:fb90:9b03:408f:a4e4:5798:637f:887c (2607:fb90:9b03:408f:a4e4:5798:637f:887c), 50 hops max, 80 byte packets

 1  route02.dus.servergurus.de (2a11:6c0:1::18) [AS211083]  62.436 ms  62.690 ms  62.656 ms  62.643 ms  62.610 ms
 2  route01.dus.servergurus.de (2a11:6c0:1::17) [AS211083]  125.547 ms  126.219 ms  126.206 ms  126.158 ms  126.141 ms
 3  et-0-0-0.3000.cr01.dus06.xtom.de (2a03:d9c0:c0de:3000::1) [AS3214]  126.394 ms  126.358 ms  126.322 ms  126.288 ms  126.257 ms
 4  as6939.dusseldorf.megaport.com (2001:7f8:8::1b1b:0:1) [*]  127.299 ms 1.284 ms 1.820 ms 2.141 ms 2.526 ms
 5  * * * * *
 6  * * * *
 e0-34.core2.man1.he.net (2001:470:0:40f::2) [AS6939]  15.865 ms
 7  * e0-34.core2.dub1.he.net (2001:470:0:387::2) [AS6939]  20.014 ms  20.303 ms * *
 8  * * * * *
 9  eqix-ch1.tmobile.com (2001:504:0:4:0:2:1928:1) [*]  103.387 ms  101.176 ms  103.428 ms  103.264 ms  103.332 ms
10  * * * * *
11  eqix-ch1.tmobile.com (2001:504:0:4:0:2:1928:1) [*]  103.168 ms *  103.132 ms * *
12  * * * * *
13  * * * * *
14  * * * * *
15  * * * * *
16  * * * * *
17  * * * * *
18  * * * * *
19  * * * * *
20  * * * * *
(...)