[outages] Comcast/Cogent Peering issue at 56 Marietta

[Adam Rothschild]

Yes, it's congested, and (judging from duration, and public statements
from both sides) unlikely to get upgraded...

On Sun, Jul 21, 2013 at 4:37 AM, Mitch <mitpatterson at gmail.com> wrote:
> Anyone else seeing packet loss starting at the peering point for Comcast and
> Cogent at 56 Marietta Ga? Had someone mention it on IRC about seeing issues
> from Comcast customers. I ran a few MTR's to some of our customers and found
> one site in the Atlanta area that I could reproduce the issue. Others in the
> metro area were fine if they bypassed that data center/peers. like xo to
> Comcast was fine. On this location I don't have an actual device to do a
> reverse path on.
>
> MTR from my VPS in Buffalo(75.127.15.150) to 75.147.194.94 in Lithia
> Springs, GA 30122
>
> Host
> Loss%   Snt   Last   Avg  Best  Wrst StDev
>  1. buf-vps3.chicagovps.net
> 0.0%   109    0.0   0.0   0.0   0.1   0.0
>  2. host.colocrossing.com
> 0.0%   109    0.8   0.7   0.5   5.6   0.6
>  3. te7-4.ccr01.buf02.atlas.cogentco.com
> 0.0%   109    0.3  31.8   0.3 209.5  58.5
>  4. te8-8.ccr02.cle04.atlas.cogentco.com
> 0.0%   109    5.5  40.1   5.4 352.9  65.8
>  5. te4-4.ccr01.cmh02.atlas.cogentco.com
> 0.0%   109    8.2  35.8   8.2 201.0  52.1
>  6. te4-7.ccr01.cvg02.atlas.cogentco.com
> 0.0%   108   10.9  31.0  10.7 246.5  53.2
>  7. te4-1.ccr01.ind01.atlas.cogentco.com
> 0.0%   108   12.9  38.7  12.9 222.8  49.9
>  8. te0-4-0-2.ccr21.atl01.atlas.cogentco.com
> 0.0%   108   24.5  24.5  24.1  30.6   0.8
>  9. te0-7-0-23.ccr21.atl02.atlas.cogentco.com
> 0.0%   108   24.4  24.4  24.2  27.1   0.3
> 10. comcast.atl02.atlas.cogentco.com
> 3.7%   108   78.3  77.7  75.7  81.5   1.3
> 11. pos-3-7-0-0-cr01.56marietta.ga.ibone.comcast.net
> 11.1%   108   77.2  79.0  76.4  93.2   2.0
> 12. 68.86.93.206
> 11.1%   108   76.4  80.5  76.4 216.4  17.8
> 13. xe-0-1-0-0-sur01.l1douglas.ga.atlanta.comcast.net
> 10.2%   108   77.2  81.5  76.9 163.1  14.6
> 14. te-18-10-cdn02.l1douglas.ga.atlanta.comcast.net
> 13.0%   108   94.2  95.5  80.0 435.2  35.6
> 15. 75-147-194-94-Atlanta.hfc.comcastbusiness.net
> 14.0%   108   85.7  86.2  84.5 101.6   1.9
>
>
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