[outages] Cogent outage ???

[Ryan Rawdon]

On Dec 6, 2012, at 11:17 AM, Ryan Rawdon wrote:

> 
> 
> On Dec 6, 2012, at 11:12 AM, Matthew Huff wrote:
> 
>> About 10 minutes ago we stopped being able to pass traffic through cogent. I de-peered us from Cogent, and everything appears
>> better. When I call cogent, all I get is a busy signal (must be a major outage). Anyone else seeing anything?
>> 
> 
> I saw packet loss to a destination in Troy, NY which has Cogent as one of its upstreams as well (and it was the Cogent path which I saw packet loss/disruption on).  This was observed from a non-Cogent multihomed network in Reston, VA.  Started at at 11:54 Eastern and ended about 20 minutes later.


Replying to myself, here is the path on which I saw disruption (no problems now/at the time of the mtr -r below):

ryan at vicious:~$ mtr -r -w rpi.lily.org
HOST: vicious                                   Loss%   Snt   Last   Avg  Best  Wrst StDev
  1. 192.168.152.199                            0.0%    10    0.3   0.2   0.2   0.3   0.0
  2. 67.23.118.177                              0.0%    10    0.8   0.8   0.6   1.0   0.1
  3. te0-1-0-0.nvarsx-COR00.yellowfiber.net     0.0%    10    1.5   1.4   1.2   1.7   0.2
  4. te0-0-0-1.nvarsx-cor01.yellowfiber.net     0.0%    10    1.3   1.4   1.2   1.8   0.2
  5. te0-0-0-2.nvaiad-cor00.yellowfiber.net     0.0%    10    1.5   1.4   1.2   1.7   0.2
  6. xe-9-0-6.ar1.iad1.us.nlayer.net            0.0%    10    4.7   3.3   1.9   5.2   1.2
  7. ae0-30g.ar2.iad1.us.nlayer.net             0.0%    10    3.9   3.7   2.4   7.5   1.7
  8. 144.228.205.97                             0.0%    10    1.7   3.2   1.2  17.3   5.0
  9. sl-st31-ash-0-8-0-2.sprintlink.net         0.0%    10    2.5   2.5   1.7   5.7   1.1
 10. 144.232.8.14                               0.0%    10    1.7   1.8   1.6   2.1   0.2
 11. te0-2-0-5.mpd22.dca01.atlas.cogentco.com   0.0%    10    3.0   2.8   2.5   3.1   0.2
 12. te0-3-0-4.mpd22.ord01.atlas.cogentco.com   0.0%    10   21.7  21.5  21.1  21.7   0.2
 13. te0-6-0-17.mpd22.jfk02.atlas.cogentco.com  0.0%    10   47.4  48.2  47.1  49.6   0.9
 14. te3-3.ccr01.jfk01.atlas.cogentco.com       0.0%    10   46.6  44.3  40.0  48.7   3.7
 15. te7-1.mag02.jfk01.atlas.cogentco.com       0.0%    10   47.3  47.7  46.1  49.4   1.0
 16. 38.122.9.54                                0.0%    10   51.6  50.7  46.6  52.5   1.6
 17. vccfr7-39-33.net.rpi.edu                  10.0%    10   50.8  53.6  48.1  85.2  11.9
 18. ???                                       100.0    10    0.0   0.0   0.0   0.0   0.0
ryan at vicious:~$


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