[outages] Hetzner: ECMP outage Nuremberg -> Cogent

Lukas Tribus lukas at ltri.eu
Sun Jan 30 07:48:41 EST 2022


Hetzner has once again a huge ECMP problem from their Nuremberg
location towards their transit Cogent, just like a few months ago.

This started at approximately 2205Z on January, 29th and is still
ongoing (14 hours plus):

lukas at htznr2:~$ mtr 150.252.224.78 -c 3 -rw
Start: 2022-01-30T12:15:58+0100
HOST: htznr2                                       Loss%   Snt   Last
 Avg  Best  Wrst StDev
  1.|-- _gateway                                      0.0%     3
4.2   4.7   4.2   5.3   0.6
  2.|-- 10114.your-cloud.host                        66.7%     3
0.3   0.3   0.3   0.3   0.0
  3.|-- ???                                          100.0     3
0.0   0.0   0.0   0.0   0.0
  4.|-- 85-10-250-153.clients.your-server.de          0.0%     3
1.3   1.2   1.0   1.3   0.1
  5.|-- spine11.cloud1.nbg1.hetzner.com               0.0%     3
1.1   1.3   1.0   1.8   0.4
  6.|-- static.213-133-112-65.clients.your-server.de  0.0%     3
4.6   5.0   2.3   8.0   2.9
  7.|-- ???                                          100.0     3
0.0   0.0   0.0   0.0   0.0
lukas at htznr2:~$ mtr 150.252.224.79 -c 3 -rw
Start: 2022-01-30T12:16:10+0100
HOST: htznr2                                         Loss%   Snt
Last   Avg  Best  Wrst StDev
  1.|-- _gateway                                        0.0%     3
5.1   5.2   5.1   5.4   0.2
  2.|-- 10114.your-cloud.host                          33.3%     3
0.4   0.4   0.3   0.4   0.0
  3.|-- ???                                            100.0     3
0.0   0.0   0.0   0.0   0.0
  4.|-- 85-10-250-157.clients.your-server.de            0.0%     3
1.2   3.7   1.1   8.9   4.5
  5.|-- spine12.cloud1.nbg1.hetzner.com                 0.0%     3
1.1   1.1   1.1   1.1   0.0
  6.|-- 213-239-239-141.clients.your-server.de          0.0%     3
0.6   0.9   0.6   1.6   0.6
  7.|-- juniper6.dc2.nbg1.hetzner.com                   0.0%     3
0.9   0.8   0.7   0.9   0.1
  8.|-- be6496.nr01.b040138-0.nue01.atlas.cogentco.com  0.0%     3
1.2   1.8   1.2   2.6   0.8
  9.|-- be2830.rcr21.nue01.atlas.cogentco.com           0.0%     3
1.2   1.3   1.2   1.5   0.2
 10.|-- be2995.ccr21.muc03.atlas.cogentco.com           0.0%     3
3.5  26.0   3.5  71.1  39.0
 11.|-- be3072.ccr51.zrh02.atlas.cogentco.com           0.0%     3
9.1   9.0   8.9   9.1   0.1
 12.|-- be2195.rcr21.mil01.atlas.cogentco.com           0.0%     3
13.1  13.6  13.1  14.7   1.0
 13.|-- 149.6.152.214                                   0.0%     3
15.8  15.8  15.6  15.8   0.1
 14.|-- 185.25.74.133                                   0.0%     3
16.9  17.4  16.2  19.0   1.5
 15.|-- te-2-1-0.asr1k-jn2.network.twt.it               0.0%     3
15.6  17.7  15.6  21.7   3.5
 16.|-- res-ars103402d.ppp.twt.it                       0.0%     3
28.8  28.7  28.7  28.8   0.1
lukas at htznr2:~$ mtr 150.252.224.80 -c 3 -rw
Start: 2022-01-30T12:16:22+0100
HOST: htznr2                                 Loss%   Snt   Last   Avg
Best  Wrst StDev
  1.|-- _gateway                                0.0%     3    4.0
5.0   4.0   5.9   1.0
  2.|-- 10114.your-cloud.host                   0.0%     3    0.3
0.4   0.3   0.6   0.1
  3.|-- ???                                    100.0     3    0.0
0.0   0.0   0.0   0.0
  4.|-- 85-10-250-157.clients.your-server.de    0.0%     3    1.2
1.2   1.1   1.2   0.1
  5.|-- spine12.cloud1.nbg1.hetzner.com         0.0%     3    1.1
1.2   1.1   1.5   0.3
  6.|-- 213-239-239-121.clients.your-server.de  0.0%     3    0.6
2.6   0.6   6.5   3.4
  7.|-- ???                                    100.0     3    0.0
0.0   0.0   0.0   0.0
lukas at htznr2:~$ mtr 150.252.224.81 -c 3 -rw
Start: 2022-01-30T12:16:34+0100
HOST: htznr2                                         Loss%   Snt
Last   Avg  Best  Wrst StDev
  1.|-- _gateway                                        0.0%     3
3.2   4.4   3.2   5.4   1.1
  2.|-- 10114.your-cloud.host                           0.0%     3
0.3   0.4   0.3   0.5   0.1
  3.|-- ???                                            100.0     3
0.0   0.0   0.0   0.0   0.0
  4.|-- 85-10-250-153.clients.your-server.de            0.0%     3
1.1   1.1   1.0   1.1   0.1
  5.|-- spine11.cloud1.nbg1.hetzner.com                 0.0%     3
1.0   9.7   1.0  26.9  14.9
  6.|-- static.213-133-112-69.clients.your-server.de    0.0%     3
0.7   0.8   0.7   1.1   0.2
  7.|-- juniper6.dc2.nbg1.hetzner.com                   0.0%     3
13.1   4.8   0.7  13.1   7.2
  8.|-- be6496.nr01.b040138-0.nue01.atlas.cogentco.com  0.0%     3
1.6   1.4   1.3   1.6   0.1
  9.|-- be2830.rcr21.nue01.atlas.cogentco.com           0.0%     3
1.7   1.4   1.2   1.7   0.3
 10.|-- be2996.ccr22.muc03.atlas.cogentco.com           0.0%     3
5.1   4.1   3.5   5.1   0.9
 11.|-- be3073.ccr52.zrh02.atlas.cogentco.com           0.0%     3
8.7   8.8   8.7   8.8   0.1
 12.|-- be2196.rcr21.mil01.atlas.cogentco.com           0.0%     3
13.0  13.0  12.7  13.2   0.2
 13.|-- 149.6.152.214                                   0.0%     3
16.0  16.0  15.9  16.0   0.1
 14.|-- 185.25.74.133                                   0.0%     3
16.4  18.2  16.4  21.3   2.7
 15.|-- te-0-2-0.asr1k-jn1.network.twt.it               0.0%     3
16.5  18.0  16.1  21.3   2.9
 16.|-- res-103520d.ppp.twt.it                          0.0%     3
31.5  31.8  31.5  32.1   0.3
lukas at htznr2:~$


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