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thomasmulhall
Contributor
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Message 1 of 4

Packet loss

Hi, today i noticed there was a packet loss for google.com and gerrit.wikimedia.org (using mtr).

 

$ mtr --report-wide --report-cycles=100 gerrit.wikimedia.org

Start: 2018-12-11T21:53:25+0000

HOST: xxxxxxxxxx                                   Loss%   Snt   Last   Avg  Best  Wrst StDev

  1.|-- bthub                                            0.0%   100    1.7   1.3   1.0   4.1   0.5

  2.|-- ???                                             100.0   100    0.0   0.0   0.0   0.0   0.0

  3.|-- 31.55.186.181                                   89.0%   100    7.7   7.7   7.2   8.6   0.4

  4.|-- 31.55.186.188                                    0.0%   100   12.8   8.4   7.5  22.3   2.0

  5.|-- host213-121-192-54.ukcore.bt.net                 0.0%   100    8.3   8.4   7.3  22.5   1.9

  6.|-- 62.6.201.145                                     0.0%   100    8.3   8.3   7.4  26.2   1.9

  7.|-- 213.137.183.102                                  0.0%   100    7.8   8.5   7.3  25.5   2.6

  8.|-- ge-2-1-0.mpr1.lhr2.uk.above.net                  0.0%   100    8.0  11.3   7.8  36.5   5.5

  9.|-- ae11.mpr2.lhr2.uk.zip.zayo.com                   0.0%   100   10.4   9.0   7.9  25.6   2.4

 10.|-- ae27.cs1.lhr11.uk.eth.zayo.com                   1.0%   100   85.6  85.7  84.4 101.2   2.7

 11.|-- ae2.cs1.cdg12.fr.eth.zayo.com                    1.0%   100   84.7  84.9  84.0  95.2   1.5

 12.|-- ae0.cs1.cdg11.fr.eth.zayo.com                    0.0%   100   85.6  90.5  84.9 455.2  37.1

 13.|-- ae6.cs2.dca2.us.eth.zayo.com                     0.0%   100   84.3  90.9  84.3 396.0  31.8

 14.|-- ae27.cr2.dca2.us.zip.zayo.com                    0.0%   100   84.5  87.6  84.1 334.8  25.1

 15.|-- ae22.er1.iad10.us.zip.zayo.com                   0.0%   100   88.4  88.8  85.0 278.7  19.7

 16.|-- 64.125.192.142.ipyx-125449-001-zyo.zip.zayo.com  0.0%   100   85.3  86.9  84.8 211.7  12.7

 17.|-- gerrit.wikimedia.org                             0.0%   100   85.4  86.6  84.7 150.7   6.9

 

mtr --report-wide --report-cycles=100 google.com

Start: 2018-12-11T22:05:41+0000

HOST: xxxxxxxxxxxxxxx              Loss%   Snt   Last   Avg  Best  Wrst StDev

  1.|-- broadband.bt.com           0.0%   100    1.3   1.3   1.0   6.0   0.6

  2.|-- ???                       100.0   100    0.0   0.0   0.0   0.0   0.0

  3.|-- 2a00:2302::1100:100:36    88.0%   100    7.3   7.6   7.3   8.3   0.3

  4.|-- 2a00:2302::1100:100:3f    30.0%   100    9.2   9.3   8.3  28.6   2.4

  5.|-- 2a00:2380:300c:b000::38   17.0%   100    9.2   9.7   8.3  25.8   2.7

  6.|-- 2a00:2380:c::30f           0.0%   100   14.2  10.4   7.4  57.9   7.1

  7.|-- 2a00:2380:2010:3000::25    0.0%   100    9.1   9.4   8.6  25.2   1.8

  8.|-- 2a00:1450:8000:265::1:1    0.0%   100    9.9   9.9   9.2  17.7   1.0

  9.|-- 2001:4860:0:1::1188        0.0%   100   10.3  10.6   9.8  23.9   1.6

 10.|-- lhr35s06-in-x0e.1e100.net  0.0%   100    9.9  10.1   9.4  17.2   1.1

 

I carn't really reproduce that with the "ping" command but it's showing a loss in mtr.

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3 REPLIES 3
Sage
Sage
435 Views
Message 2 of 4

Re: Packet loss

OK and would you like to give us further info?

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thomasmulhall
Contributor
425 Views
Message 3 of 4

Re: Packet loss

Hi, what furthur information?

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Sage
Sage
388 Views
Message 4 of 4

Re: Packet loss

Showing evidence of packet loss would help as what you have posted so far shows none.