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Created July 9, 2017 09:29
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Scaleway AMS1 Network Issues
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scaleway_packet_loss.md

Two fresh instances in rescue mode:

  • AMS1 - VC1S - scw-7a0865 - 51.15.40.49
  • PAR1 - VC1S - scw-8d89f4 - 163.172.189.156

AMS1

root@scw-7a0865:~# curl checkip.amazonaws.com
51.15.40.49

Reference MTR to Google DNS

root@scw-7a0865:~# mtr -r -s 1000 -c 1000 8.8.8.8
Start: Sun Jul  9 07:44:22 2017
HOST: scw-7a0865                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.8.25.72                 0.0%  1000    0.3   0.3   0.2   1.2   0.0
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.6.160.2                 0.0%  1000    0.7   0.6   0.5   4.5   0.2
  4.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  5.|-- 18-33-15-51.rev.cloud.sca  1.6%  1000    0.9   1.7   0.9   6.6   0.3
  6.|-- 252-32-15-51.rev.cloud.sc  4.0%  1000    1.9   2.1   0.9  12.7   0.5
  7.|-- core1.ams.net.google.com   2.6%  1000   54.0  60.2  19.6 121.6  17.4
  8.|-- 108.170.241.236            2.7%  1000   11.1  22.9  10.5  79.5  20.0
  9.|-- 209.85.255.230             2.6%  1000   63.9  67.5  50.2 104.9  10.2
 10.|-- 72.14.234.214              3.3%  1000   14.7  15.0  13.8  33.1   1.9
 11.|-- 108.170.232.7              2.6%  1000   14.7  14.5  13.6  16.4   0.1
 12.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 13.|-- google-public-dns-a.googl  3.7%  1000   14.9  14.5  13.6  16.5   0.1

Reference MTR to ping.online.net

root@scw-7a0865:~# mtr -r -s 1000 -c 1000 ping.online.net
Start: Sun Jul  9 08:57:45 2017
HOST: scw-7a0865                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.8.25.72                 0.0%  1000    0.3   0.3   0.2   0.9   0.0
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.6.160.2                 0.0%  1000    0.9   0.6   0.5   4.0   0.2
  4.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  5.|-- 18-33-15-51.rev.cloud.sca  1.1%  1000    1.0   1.3   0.8   4.9   0.4
  6.|-- 252-32-15-51.rev.cloud.sc  0.2%  1000    1.3   1.5   0.9   8.3   0.5
  7.|-- bb1-ams1-bb1.dc3.poneytel  1.2%  1000   12.5  12.3  11.4  22.7   0.6
  8.|-- 45x-s44-2-a9k1.dc3.poneyt  0.6%  1000   61.1  60.8  49.8 266.0   8.2
  9.|-- ping.online.net            0.8%  1000   55.5  58.8  48.9  65.4   2.8

MTR to PAR1 instance

First Run

root@scw-7a0865:~# mtr -r -s 1000 -c 1000 163.172.189.156
Start: Sun Jul  9 08:02:38 2017
HOST: scw-7a0865                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.8.25.72                 0.0%  1000    0.3   0.3   0.2   0.7   0.0
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.6.160.2                 0.0%  1000    0.6   0.6   0.5   8.5   0.3
  4.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  5.|-- 22-33-15-51.rev.cloud.sca  1.1%  1000    1.6   1.6   0.8   7.1   0.3
  6.|-- 252-32-15-51.rev.cloud.sc  3.0%  1000    2.0   2.2   0.9  11.7   0.6
  7.|-- bb1-ams1-bb1.dc3.poneytel  3.0%  1000   12.3  11.5  10.6  19.0   0.3
  8.|-- 49-infra-dc2-a9k2.dc3.pon  1.3%  1000   12.0  11.4  10.6  18.6   0.3
  9.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0

Second Run

root@scw-7a0865:~# mtr -r -s 1000 -c 1000 163.172.189.156
Start: Sun Jul  9 08:23:33 2017
HOST: scw-7a0865                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.8.25.72                 0.0%  1000    0.3   0.3   0.2   0.7   0.0
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.6.160.2                 0.0%  1000    0.6   0.6   0.5   4.1   0.2
  4.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  5.|-- 22-33-15-51.rev.cloud.sca  0.5%  1000    1.3   1.3   0.8   5.3   0.3
  6.|-- 252-32-15-51.rev.cloud.sc  1.9%  1000    1.6   1.8   0.7   7.6   0.4
  7.|-- bb1-ams1-bb1.dc3.poneytel  1.8%  1000   10.6  11.5  10.5  14.7   0.2
  8.|-- 49-infra-dc2-a9k2.dc3.pon 51.9%  1000   10.8  11.2  10.6  14.0   0.2
  9.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0

Iperf to ping.online.net

root@scw-7a0865:~# iperf3 -c ping.online.net -R -p 5200
Connecting to host ping.online.net, port 5200
Reverse mode, remote host ping.online.net is sending
[  4] local 10.8.25.73 port 35886 connected to 62.210.18.40 port 5200
[ ID] Interval           Transfer     Bandwidth
[  4]   0.00-1.00   sec   288 KBytes  2.36 Mbits/sec
[  4]   1.00-2.00   sec   215 KBytes  1.76 Mbits/sec
[  4]   2.00-3.00   sec  96.2 KBytes   788 Kbits/sec
[  4]   3.00-4.00   sec   141 KBytes  1.16 Mbits/sec
[  4]   4.00-5.00   sec   178 KBytes  1.46 Mbits/sec
[  4]   5.00-6.00   sec   164 KBytes  1.34 Mbits/sec
[  4]   6.00-7.00   sec   116 KBytes   950 Kbits/sec
[  4]   7.00-8.00   sec   195 KBytes  1.60 Mbits/sec
[  4]   8.00-9.00   sec   232 KBytes  1.90 Mbits/sec
[  4]   9.00-10.00  sec   198 KBytes  1.62 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec  1.84 MBytes  1.55 Mbits/sec   36             sender
[  4]   0.00-10.00  sec  1.84 MBytes  1.55 Mbits/sec                  receiver

iperf Done.

PAR1

root@scw-8d89f4:~# curl checkip.amazonaws.com
163.172.189.156

Reference MTR to Google DNS

root@scw-8d89f4:~# mtr -r -s 1000 -c 1000 8.8.8.8
Start: Sun Jul  9 07:44:22 2017
HOST: scw-8d89f4                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.2.102.90                0.0%  1000    0.4   0.3   0.3   0.8   0.0
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.1.96.0                  0.0%  1000    0.7   0.5   0.5   4.8   0.2
  4.|-- 10.1.94.96                 0.0%  1000    0.6   0.6   0.5   1.4   0.0
  5.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  6.|-- 192-225-47-212.int.cloud.  0.0%  1000    0.6   0.6   0.5   1.5   0.0
  7.|-- a9k2-49-infra-dc2.dc3.pon  0.0%  1000    1.0   0.8   0.6   2.6   0.0
  8.|-- 72.14.218.182              0.2%  1000   38.4  19.3   1.2  92.0  12.5
  9.|-- 108.170.245.1              0.0%  1000    1.3   1.1   1.1   3.7   0.1
 10.|-- 216.239.51.203             0.0%  1000    2.3   2.2   2.1  13.4   0.4
 11.|-- google-public-dns-a.googl  0.0%  1000    1.9   1.7   1.7   3.2   0.1

Reference MTR to ping.online.net

root@scw-8d89f4:~# mtr -r -s 1000 -c 1000 ping.online.net
Start: Sun Jul  9 08:57:45 2017
HOST: scw-8d89f4                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.2.102.90                0.0%  1000    0.3   0.3   0.3   1.0   0.0
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.1.96.0                  0.0%  1000    0.5   1.3   0.5 127.0   5.8
  4.|-- 10.1.94.96                20.4%  1000    0.8   0.6   0.5   1.5   0.0
  5.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  6.|-- 176-225-47-212.int.cloud. 20.8%  1000    0.6   0.6   0.5   3.0   0.1
  7.|-- a9k2-49-infra-dc2.dc3.pon  0.0%  1000    0.8   0.7   0.6   4.9   0.1
  8.|-- 45x-s44-2-a9k1.dc3.poneyt  0.0%  1000    1.2   2.2   1.0 254.2  11.7
  9.|-- ping.online.net            0.0%  1000    0.7   0.5   0.5   3.8   0.1

MTR to AMS1 instance

First Run

root@scw-8d89f4:~# mtr -r -s 1000 -c 1000 51.15.40.49
Start: Sun Jul  9 08:02:38 2017
HOST: scw-8d89f4                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.2.102.90                0.0%  1000    0.4   0.3   0.3   2.4   0.1
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.1.96.0                  0.0%  1000    2.1   0.9   0.4  72.6   3.6
  4.|-- 10.1.94.96                 0.0%  1000    0.7   0.6   0.5   3.3   0.1
  5.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  6.|-- 192-225-47-212.int.cloud.  0.0%  1000    0.6   0.6   0.5   4.1   0.1
  7.|-- a9k2-49-infra-dc2.dc3.pon  0.0%  1000    1.1   0.8   0.6   2.9   0.1
  8.|-- bb1-dc3-bb1.ams1.poneytel  0.0%  1000   13.4  13.4  13.1  21.1   0.5
  9.|-- 255-32-15-51.rev.cloud.sc  0.0%  1000   12.0  11.9  11.8  15.5   0.2
 10.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 11.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 12.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 13.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 14.|-- 49-40-15-51.rev.cloud.sca  2.9%  1000   12.9  12.3  11.4  16.1   0.3

Second Run

root@scw-8d89f4:~# mtr -r -s 1000 -c 1000 51.15.40.49
Start: Sun Jul  9 08:23:33 2017
HOST: scw-8d89f4                  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.2.102.90                0.0%  1000    0.3   0.3   0.3   0.7   0.0
  2.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  3.|-- 10.1.96.0                  0.0%  1000    1.9   8.5   0.4 312.1  36.4
  4.|-- 10.1.94.96                52.0%  1000    0.6   0.6   0.5   1.2   0.0
  5.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
  6.|-- 192-225-47-212.int.cloud. 50.0%  1000    0.5   0.6   0.5   1.7   0.0
  7.|-- a9k2-49-infra-dc2.dc3.pon  0.0%  1000    1.0   0.8   0.5   4.0   0.1
  8.|-- bb1-dc3-bb1.ams1.poneytel  0.0%  1000   13.4  13.4  13.1  19.0   0.5
  9.|-- 255-32-15-51.rev.cloud.sc  0.0%  1000   12.1  11.9  11.8  21.4   0.5
 10.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 11.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 12.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 13.|-- ???                       100.0  1000    0.0   0.0   0.0   0.0   0.0
 14.|-- 49-40-15-51.rev.cloud.sca  1.9%  1000   12.1  12.2  11.3  15.4   0.2

Iperf to ping.online.net

root@scw-8d89f4:~# iperf3 -c ping.online.net -R -p 5200
Connecting to host ping.online.net, port 5200
Reverse mode, remote host ping.online.net is sending
[  4] local 10.2.102.91 port 36942 connected to 62.210.18.40 port 5200
[ ID] Interval           Transfer     Bandwidth
[  4]   0.00-1.00   sec   253 MBytes  2.12 Gbits/sec
[  4]   1.00-2.00   sec   251 MBytes  2.10 Gbits/sec
[  4]   2.00-3.00   sec   242 MBytes  2.03 Gbits/sec
[  4]   3.00-4.00   sec   257 MBytes  2.16 Gbits/sec
[  4]   4.00-5.00   sec   258 MBytes  2.16 Gbits/sec
[  4]   5.00-6.00   sec   257 MBytes  2.15 Gbits/sec
[  4]   6.00-7.00   sec   265 MBytes  2.22 Gbits/sec
[  4]   7.00-8.00   sec   270 MBytes  2.27 Gbits/sec
[  4]   8.00-9.00   sec   272 MBytes  2.28 Gbits/sec
[  4]   9.00-10.00  sec   266 MBytes  2.23 Gbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec  2.53 GBytes  2.17 Gbits/sec   13             sender
[  4]   0.00-10.00  sec  2.53 GBytes  2.17 Gbits/sec                  receiver

iperf Done.
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