[pydotorg-www] ipv6 connectivity issues

[Ralf Hildebrandt]

* Lukasz Szczesny <luk at wybcz.pl>:
> 
> Hi!
> 
> On Thu, Jun 16, 2011 at 01:38:54PM +0100, Michael Foord wrote:
> > We've just had two reports on webmaster at python.org about ipv6
> > connectivity issues. Normally they are caused by client / route
> > issues, however if I try via claranet I get failures too:
> 
> It looks that python.org is not available over IPv6 again: 
> 
> [luk at bender:~]$ mtr --report python.org 
> HOST: bender                      Loss%   Snt   Last   Avg  Best  Wrst StDev
>   1.|-- spider1.mimuw.edu.pl       0.0%    10    0.2   0.2   0.2   0.2   0.0
>   2.|-- kp-mm-r3.rtr.net.icm.edu.  0.0%    10    4.9   4.4   3.8   4.9   0.3
>   3.|-- kp-mm-r3.rtr.net.icm.edu.  0.0%    10    4.7   4.2   3.8   4.7   0.3
>   4.|-- 2001:6a0:0:19::1           0.0%    10    0.7   0.7   0.7   0.8   0.1
>   5.|-- 2001:b10:c000:204::1       0.0%    10   10.8   6.4   5.8  10.8   1.6
>   6.|-- pionier-bckp.rt1.poz.pl.g  0.0%    10    5.8   5.9   5.8   6.2   0.1
>   7.|-- so-7-1-0.rt1.fra.de.geant  0.0%    10   18.7  18.8  18.5  20.5   0.6
>   8.|-- 2001:450:2002:70::1        0.0%    10   19.0  25.6  18.6  86.5  21.4
>   9.|-- 2001:450:2002:1e2::2       0.0%    10   27.3  30.2  27.2  55.5   8.9
>  10.|-- ???                       100.0    10    0.0   0.0   0.0   0.0   0.0
>  11.|-- ???                       100.0    10    0.0   0.0   0.0   0.0   0.0
>  12.|-- ???                       100.0    10    0.0   0.0   0.0   0.0   0.0
>  13.|-- kpn-ic-135436-adm-b5.c.te  0.0%    10   48.7  48.8  48.7  48.9   0.1
>  14.|-- ???                       100.0    10    0.0   0.0   0.0   0.0   0.0

Seem to be working here:

root at www:~# mtr --report -c 5 2001:888:2000:d::a2
HOST: www                         Loss%   Snt   Last   Avg  Best  Wrst
StDev
  1.|-- 2a01:4f8:130:8160::1       0.0%     5    0.8   1.0   0.8   1.2 0.2
  2.|-- 2a01:4f8:0:13:1:0:13:1     0.0%     5    0.6   5.5   0.5  25.3 11.1
  3.|-- hos-bb1.juniper1.ffm.hetz  0.0%     5    5.1   5.0   5.0   5.1 0.0
  4.|-- 20gigabitethernet1-3.core  0.0%     5   14.2  14.8  12.3  17.6 2.0
  5.|-- xs4all.10gigabitethernet3  0.0%     5   14.4  28.6  14.3  78.6 28.0
  6.|-- 2001:888:1:4005::2         0.0%     5   14.5  14.5  14.5  14.6 0.1
  7.|-- te5-4.swcolo1.3d12.xs4all  0.0%     5   14.9  14.8  14.6  14.9 0.1
  8.|-- vlan5.swcolo2.3d12.xs4all  0.0%     5   14.7  14.8  14.6  15.1 0.2
  9.|-- dinsdale.python.org        0.0%     5   14.2  15.3  14.2  18.2 1.7

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebrandt at charite.de | http://www.charite.de