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Routing problem through core-backbone

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Esteemed Commentator

Routing problem through core-backbone

Hello,

 

There is a problem with websites routed through core-backbone.

 

Using their test server located in singapore: http://sin.lg.core-backbone.com/

we can see that it is doing a round trip to europe with plenty of packet loss:

 

% mtr -rwc10 sin.lg.core-backbone.com
Start: 2020-05-15T19:26:49+0800
HOST:                                   Loss%   Snt   Last   Avg  Best  Wrst StDev
  [...]
  5.|-- 203.118.7.77                       0.0%    10    9.0  12.1   4.3  55.8  15.5
  6.|-- 203.118.6.21                       0.0%    10    4.2   4.1   3.2   4.8   0.4
  7.|-- 203.117.35.74                      0.0%    10    4.4   4.3   4.2   4.4   0.1
  8.|-- 203.118.6.29                       0.0%    10    4.2   4.4   4.2   4.6   0.1
  9.|-- anutli13.starhub.net.sg            0.0%    10    4.7   4.8   4.5   6.0   0.4
 10.|-- ae1-0.lon10.core-backbone.com     60.0%    10  286.4 286.2 285.9 286.4   0.2
 11.|-- ae3-2072.ams10.core-backbone.com  50.0%    10  291.3 291.3 291.2 291.6   0.2
 12.|-- ae16-2074.fra10.core-backbone.com 80.0%    10  297.2 297.3 297.2 297.3   0.0
 13.|-- ae3-2090.sin10.core-backbone.com  40.0%    10  449.8 452.8 449.4 462.9   5.3
 14.|-- sin.lg.core-backbone.com          60.0%    10  451.1 451.1 451.1 451.1   0.0

A maintenance was scheduled yesterday but it has been cancelled, maybe leaving a bad configuration:

https://status.core-backbone.com/index.php?id=2572

 

Please help Smiley Happy

 

1 ACCEPTED SOLUTION

Accepted Solutions
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Esteemed Commentator
Solution

Re: Routing problem through core-backbone

2 REPLIES 2
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Esteemed Commentator

Re: Routing problem through core-backbone

Still a round trip to europe but no packet loss... it gets better Smiley Happy

 

% mtr -rwc10 sin.lg.core-backbone.com
Start: 2020-05-16T01:54:47+0800
HOST:                                   Loss%   Snt   Last   Avg  Best  Wrst StDev
  [...]
  5.|-- 203.118.7.77                       0.0%    10    4.5  10.1   4.0  59.2  17.2
  6.|-- 203.118.6.21                       0.0%    10    4.3   4.2   4.0   4.3   0.1
  7.|-- 203.117.35.74                      0.0%    10    4.3   4.4   4.2   4.5   0.1
  8.|-- 203.118.6.29                       0.0%    10    4.4   4.3   4.1   4.5   0.1
  9.|-- anutli13.starhub.net.sg            0.0%    10    5.6   4.7   4.4   5.6   0.5
 10.|-- ae1-0.lon10.core-backbone.com      0.0%    10  177.1 177.4 176.9 180.3   1.0
 11.|-- ae3-2072.ams10.core-backbone.com   0.0%    10  182.2 183.3 182.0 192.1   3.1
 12.|-- ae16-2074.fra10.core-backbone.com  0.0%    10  188.1 188.2 187.9 190.2   0.7
 13.|-- ae3-2090.sin10.core-backbone.com   0.0%    10  340.7 340.7 340.4 341.7   0.4
 14.|-- sin.lg.core-backbone.com           0.0%    10  342.1 342.1 341.9 342.3   0.1
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Esteemed Commentator
Solution

Re: Routing problem through core-backbone