Cloudflare (AS13335) broken - only on IPv6?

Ulf Volmer u.volmer at u-v.de
Wed Jan 30 00:57:05 CET 2019


On 30.01.19 00:22, Tom Paseka wrote:

> can you provide a traceroute, or perhaps www.cloudflare.com/cdn-cgi/trace
> so I can try to isolate the issue?

Of course. But as I wrote, i did not have this issue. From my side
everything is fine.

traceroute to www.thunderbird.net (2606:4700:20::6819:af0d), 30 hops
max, 80 byte packets
 1  2001-4dd0-212c-fd-201-2eff-fe5a-a900.ipv6dyn.netcologne.de
(2001:4dd0:212c:fd:201:2eff:fe5a:a900)  3.025 ms  2.530 ms  2.381 ms
 2  2001-4dd0-212c-0-3a10-d5ff-fe07-4c65.ipv6dyn.netcologne.de
(2001:4dd0:212c:0:3a10:d5ff:fe07:4c65)  2.082 ms  1990.872 ms  1990.782 ms
 3  e320lns-eup1-lo0.netcologne.de (2001:4dd0:a2a:40::4acc)  18.881 ms
19.288 ms  19.710 ms
 4  swrt-eup9-vl61.netcologne.de (2001:4dd0:a2b:80:dc40::a)  18.238 ms
18.728 ms  19.258 ms
 5  ip-core-eup2-ae9.netcologne.de (2001:4dd0:a2b:47:dc40::c)  19.410 ms
 19.933 ms  19.797 ms
 6  ip-core-net2-et9-2-2.netcologne.de (2001:4dd0:a2b:121:dc60::1)
20.761 ms ip-core-net1-et9-2-2.netcologne.de (2001:4dd0:a2b:11f:dc60::1)
 15.947 ms  16.303 ms
 7  bdr-net1-ae1.netcologne.de (2001:4dd0:a2b:114:dc61::b)  17.188 ms
bdr-net1-ae2.netcologne.de (2001:4dd0:a2b:115:dc61::b)  17.473 ms
bdr-net1-ae1.netcologne.de (2001:4dd0:a2b:114:dc61::b)  16.089 ms
 8  cloudflare.dus.ecix.net (2001:7f8:8::3417:0:1)  17.578 ms  18.533 ms
 18.695 ms
 9  2400:cb00:48:1024::c629:f147 (2400:cb00:48:1024::c629:f147)  18.479
ms 2400:cb00:48:1024::c629:f124 (2400:cb00:48:1024::c629:f124)  18.642
ms 2400:cb00:48:1024::c629:f106 (2400:cb00:48:1024::c629:f106)  18.428 ms

Best regards
Ulf



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