[v6test] Routing issue: loop in nLayer network

Arnaud de Prelle arnaud at pnzone.net
Wed May 14 17:05:56 UTC 2008


Hello the list,

I'm trying to reach the test download website but I can't because of a  
TTL expiration.

Are you experiencing issues as well?
Is it a bug or a feature?

Note that there is no problem for reaching www.ipv6experiment.com.

apn at icecube:~$ traceroute6 2001:4978:8:1:218:8bff:fe52:b5b0 -m 300
traceroute to 2001:4978:8:1:218:8bff:fe52:b5b0  
(2001:4978:8:1:218:8bff:fe52:b5b0) from 2001:6f8:363:5::1, 300 hops  
max, 16 byte packets
  1  gw-194.bru-01.be.sixxs.net (2001:6f8:202:c1::1)  24.613 ms   
24.693 ms  25.518 ms
  2  sixxs-gw.gdbru.be.easynet.net (2001:6f8:200:1003::1)  25.413 ms   
25.019 ms  25.44 ms
  3  fe0-0-1-0.br3.gdbru.be.easynet.net (2001:6f8:200:6::3)  25.652  
ms  25.768 ms  25.817 ms
  4  2001:6f8:1:2:87:86:71:164 (2001:6f8:1:2:87:86:71:164)  183.299  
ms  198.536 ms  201.045 ms
  5  2001:6f8:1:0:87:86:77:46 (2001:6f8:1:0:87:86:77:46)  30.614 ms   
31.557 ms  29.818 ms
  6  2001:6f8:1:0:87:86:77:41 (2001:6f8:1:0:87:86:77:41)  30.657 ms   
29.343 ms  30.829 ms
  7  2001:6f8:1:0:87:86:77:43 (2001:6f8:1:0:87:86:77:43)  31.091 ms   
31.349 ms  31.047 ms
  8  2001:6f8:1:0:87:86:77:44 (2001:6f8:1:0:87:86:77:44)  30.272 ms   
31.78 ms  31.261 ms
  9  2001:6f8:1:0:87:86:77:111 (2001:6f8:1:0:87:86:77:111)  108.562  
ms  111.662 ms  107.824 ms
10  2001:6f8:1:0:87:86:77:102 (2001:6f8:1:0:87:86:77:102)  168.73 ms   
167.102 ms  167.478 ms
11  paix.99.xe-0-1-0.cr1.pao1.us.nlayer.net (2001:504:d::100d)   
169.573 ms  168.588 ms  167.401 ms
12  ge-2-1-1.cr1.sfo1.us.nlayer.net (2001:590::4516:8fa1)  169.532 ms   
169.253 ms  170.256 ms
13  xe-2-3-0.cr1.sjc1.us.nlayer.net (2001:590::4516:8f75)  169.997 ms   
188.65 ms  170.156 ms
14  xe-0-2-0.cr1.lax1.us.nlayer.net (2001:590::4516:8e35)  178.132 ms   
177.443 ms  175.958 ms
15  xe-1-3-0.cr1.dfw1.us.nlayer.net (2001:590::4516:8e16)  177.511 ms   
177.387 ms  177.449 ms
16  xe-2-2-0.cr2.ord1.us.nlayer.net (2001:590::4516:8e02)  178.126 ms   
177.206 ms  206.823 ms
17  xe-1-1-0.cr1.ord1.us.nlayer.net (2001:590::451f:6f99)  177.147 ms   
178.49 ms  177.954 ms
18  tge6-3.ar1.ord1.us.nlayer.net (2001:590::451f:6f86)  177.302 ms   
178.61 ms  177.361 ms
19  yourorg.106.g3-13.ar1.ord1.us.nlayer.net (2001:590::451f:6f16)   
178.366 ms  177.44 ms  177.28 ms
20  gr-chi1.core1.ams.bb6.your.org (2001:4978:8000:1::2)  184.426 ms   
183.305 ms  184.021 ms
21  2001:7f8:1::a500:4436:1 (2001:7f8:1::a500:4436:1)  254.67 ms   
253.973 ms  255.126 ms
22  xe-0-2-0.cr1.iad1.us.nlayer.net (2001:590::4516:8e1d)  259.223 ms   
260.411 ms  260.691 ms
23  xe-2-2-0.cr2.iad1.us.nlayer.net (2001:590::451f:1fae)  260.644 ms   
259.949 ms  258.833 ms
24  xe-1-2-0.cr1.ord1.us.nlayer.net (2001:590::4516:8e3e)  278.78 ms   
277.456 ms  278 ms
25  tge6-3.ar1.ord1.us.nlayer.net (2001:590::451f:6f86)  278.704 ms   
277.915 ms  276.924 ms
26  yourorg.106.g3-13.ar1.ord1.us.nlayer.net (2001:590::451f:6f16)   
278.049 ms  277.475 ms  277.481 ms
27  gr-chi1.core1.ams.bb6.your.org (2001:4978:8000:1::2)  284.538 ms   
285.758 ms  284.624 ms
28  2001:7f8:1::a500:4436:1 (2001:7f8:1::a500:4436:1)  356.744 ms   
355.478 ms  355.546 ms
29  xe-0-2-0.cr1.iad1.us.nlayer.net (2001:590::4516:8e1d)  420.672 ms   
361.323 ms  361.545 ms
30  xe-2-2-0.cr2.iad1.us.nlayer.net (2001:590::451f:1fae)  360.974 ms   
360.344 ms  374.749 ms
31  xe-1-2-0.cr1.ord1.us.nlayer.net (2001:590::4516:8e3e)  377.859 ms   
379.126 ms  386.57 ms
32  tge6-3.ar1.ord1.us.nlayer.net (2001:590::451f:6f86)  377.499 ms   
378.507 ms  378.313 ms
33  yourorg.106.g3-13.ar1.ord1.us.nlayer.net (2001:590::451f:6f16)   
378.189 ms  379.449 ms  379.289 ms
34  gr-chi1.core1.ams.bb6.your.org (2001:4978:8000:1::2)  385.536 ms   
385.359 ms  386.299 ms
35  2001:7f8:1::a500:4436:1 (2001:7f8:1::a500:4436:1)  455.922 ms   
456.918 ms  454.901 ms
36  xe-0-2-0.cr1.iad1.us.nlayer.net (2001:590::4516:8e1d)  460.668 ms   
461.013 ms  461.013 ms
37  xe-2-2-0.cr2.iad1.us.nlayer.net (2001:590::451f:1fae)  460.648 ms   
461.933 ms  459.704 ms
38  xe-1-2-0.cr1.ord1.us.nlayer.net (2001:590::4516:8e3e)  478.392 ms   
477.505 ms  480.056 ms
39  tge6-3.ar1.ord1.us.nlayer.net (2001:590::451f:6f86)  477.582 ms   
478.599 ms  477.532 ms
40  yourorg.106.g3-13.ar1.ord1.us.nlayer.net (2001:590::451f:6f16)   
477.602 ms  479.868 ms  479.008 ms
41  gr-chi1.core1.ams.bb6.your.org (2001:4978:8000:1::2)  485.065 ms   
485.909 ms  485.832 ms
42  2001:7f8:1::a500:4436:1 (2001:7f8:1::a500:4436:1)  557.023 ms   
556.469 ms  568.249 ms
43  xe-0-2-0.cr1.iad1.us.nlayer.net (2001:590::4516:8e1d)  562.328 ms   
561.602 ms  562.636 ms
44  xe-2-2-0.cr2.iad1.us.nlayer.net (2001:590::451f:1fae)  562.861 ms   
561.047 ms  570.661 ms
45  xe-1-2-0.cr1.ord1.us.nlayer.net (2001:590::4516:8e3e)  580.4 ms   
578.434 ms  641.332 ms
46  tge6-3.ar1.ord1.us.nlayer.net (2001:590::451f:6f86)  580.383 ms   
579.854 ms  580.472 ms
47  yourorg.106.g3-13.ar1.ord1.us.nlayer.net (2001:590::451f:6f16)   
578.238 ms  579.869 ms  578.151 ms
48  gr-chi1.core1.ams.bb6.your.org (2001:4978:8000:1::2)  587.289 ms   
587.396 ms  624.04 ms
49  2001:7f8:1::a500:4436:1 (2001:7f8:1::a500:4436:1)  657.166 ms   
656.96 ms  658.294 ms
50  xe-0-2-0.cr1.iad1.us.nlayer.net (2001:590::4516:8e1d)  661.963 ms   
662.174 ms  660.914 ms

apn at icecube:~$ traceroute6 www.ipv6experiment.com
traceroute to www.ipv6experiment.com (2001:4978:1:110:0:ac:ce55:1b1e)  
from 2001:6f8:363:5::1, 30 hops max, 16 byte packets
  1  gw-194.bru-01.be.sixxs.net (2001:6f8:202:c1::1)  24.495 ms   
24.377 ms  24.427 ms
  2  sixxs-gw.gdbru.be.easynet.net (2001:6f8:200:1003::1)  25.642 ms   
25.284 ms  26.655 ms
  3  fe0-0-1-0.br3.gdbru.be.easynet.net (2001:6f8:200:6::3)  26.651  
ms  25.639 ms  26.802 ms
  4  2001:6f8:1:2:87:86:71:164 (2001:6f8:1:2:87:86:71:164)  25.945 ms   
26.069 ms  26.932 ms
  5  2001:6f8:1:0:87:86:77:46 (2001:6f8:1:0:87:86:77:46)  30.46 ms   
31.475 ms  30.546 ms
  6  2001:6f8:1:0:87:86:77:41 (2001:6f8:1:0:87:86:77:41)  30.707 ms   
30.561 ms  33.204 ms
  7  2001:6f8:1:0:87:86:77:43 (2001:6f8:1:0:87:86:77:43)  95.436 ms   
208.413 ms  147.986 ms
  8  2001:6f8:1:0:87:86:77:44 (2001:6f8:1:0:87:86:77:44)  32.15 ms   
32.276 ms  31.716 ms
  9  2001:6f8:1:0:87:86:77:111 (2001:6f8:1:0:87:86:77:111)  108.318  
ms  107.792 ms  106.936 ms
10  2001:6f8:1:0:87:86:77:102 (2001:6f8:1:0:87:86:77:102)  169.545 ms   
168.752 ms  169.413 ms
11  paix.99.xe-0-1-0.cr1.pao1.us.nlayer.net (2001:504:d::100d)  168.19  
ms  168.807 ms  169.395 ms
12  ge-2-1-1.cr1.sfo1.us.nlayer.net (2001:590::4516:8fa1)  177.873 ms   
170.463 ms  169.168 ms
13  xe-2-3-0.cr1.sjc1.us.nlayer.net (2001:590::4516:8f75)  168.88 ms   
170.516 ms  169.245 ms
14  xe-0-2-0.cr1.lax1.us.nlayer.net (2001:590::4516:8e35)  175.724 ms   
189.048 ms  177.867 ms
15  xe-1-3-0.cr1.dfw1.us.nlayer.net (2001:590::4516:8e16)  177.621 ms   
178.533 ms  178.394 ms
16  xe-2-2-0.cr2.ord1.us.nlayer.net (2001:590::4516:8e02)  176.814 ms   
176.856 ms  177.055 ms
17  xe-1-1-0.cr1.ord1.us.nlayer.net (2001:590::451f:6f99)  177.035 ms   
178.852 ms  176.523 ms
18  tge6-3.ar1.ord1.us.nlayer.net (2001:590::451f:6f86)  177.392 ms   
176.111 ms  179.185 ms
19  yourorg.106.g3-13.ar1.ord1.us.nlayer.net (2001:590::451f:6f16)   
178.47 ms  179.269 ms  177.364 ms
20  www.ipv6experiment.com (2001:4978:1:110:0:ac:ce55:1b1e)  178.163  
ms  176.123 ms  178.335 ms

Regards,
Arnaud.
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