[outages] Comcast Issues in Miami?

Tue Jun 14 11:26:07 EDT 2016

We know who is causing the problem now. It's a CDN that appears to be
dumping around 18 Gbps (or more) of new traffic onto that path. It really
should be taking a different path to us, so we're going to reach out to
them and see what changed. That path is flat-topped, so who knows how much
traffic they're actually sending.

Thanks,
John

On Tue, Jun 14, 2016 at 9:02 AM, Mason Moody <mmoody at staff.atlantic.net>
wrote:

> Appreciate it. We've opened a ticket with Cogent on our end to see if they
> can do anything on their end.
>
>
> -Mason
>
> --
>
> From: John Neiberger [mailto:jneiberger at gmail.com]
> Sent: Tuesday, 14 June, 2016 10:54
> To: Mason Moody <mmoody at staff.atlantic.net>
> Cc: outages at outages.org
> Subject: Re: [outages] Comcast Issues in Miami?
>
> It looks like someone shifted an enormous amount of traffic to that path
> and it's maxed out toward us. I don't know if Cogent shifted traffic or if
> one of their customers is sending far, far more traffic than normal to us.
> I'll check some other tools to see if I can figure it out. It's definitely
> full, though. At this time of day, that particular bundle would be running
> at around 30-35%, but around 16 hours ago, it hit 100% and hasn't dropped
> since.
>
> John
>
> On Tue, Jun 14, 2016 at 8:47 AM, John Neiberger <jneiberger at gmail.com>
> wrote:
> I'll take a look.
>
> Thanks,
> John
>
> On Tue, Jun 14, 2016 at 8:44 AM, Mason Moody via Outages <
> outages at outages.org> wrote:
> Anyone else seeing issues with carrier handoff to Comcast in Miami? I'm
> seeing dropped packets in the handoff between Cogent and Comcast there:
>
> HOST: orlando                                             Loss%   Snt
>  Last   Avg  Best  Wrst StDev
>   1.|-- 10.10.200.2                                        0.0%    25
> 0.3   0.3   0.2   0.5   0.0
>   2.|-- 10.10.200.252                                      8.0%    25
> 0.6   0.3   0.2   0.7   0.0
>   3.|-- vl5-dis-01.orl-fl.atlantic.net                     0.0%    25
> 0.5   0.9   0.5   3.0   0.6
>   4.|-- 209.208.7.41                                       0.0%    25
> 0.4   0.6   0.4   0.8   0.0
>   5.|-- te0-0-1-1.nr11.b006655-1.mco01.atlas.cogentco.com  0.0%    25
> 1.0   1.2   0.9   2.3   0.2
>   6.|-- te0-0-1-1.rcr11.mco01.atlas.cogentco.com           0.0%    25
> 2.5   2.5   2.3   2.8   0.0
>   7.|-- te0-0-1-0.rcr21.tpa01.atlas.cogentco.com           0.0%    25
> 6.4   4.6   4.3   6.4   0.4
>   8.|-- be2744.ccr21.mia01.atlas.cogentco.com              0.0%    25
>  10.1  10.5  10.0  17.1   1.3
>   9.|-- be2054.ccr21.mia03.atlas.cogentco.com              0.0%    25
>  11.0  11.2  10.8  13.0   0.4
>  10.|-- be-200-pe03.nota.fl.ibone.comcast.net             20.0%    25
>  11.9  12.1  11.8  13.7   0.3
>  11.|-- hu-0-3-0-1-cr02.miami.fl.ibone.comcast.net        32.0%    25
>  12.1  11.4   9.9  12.4   0.5
>  12.|-- be-11422-cr02.56marietta.ga.ibone.comcast.net     28.0%    25
>  19.8  19.3  18.0  20.7   0.4
>  13.|-- be-10114-cr02.ashburn.va.ibone.comcast.net        20.0%    25
>  32.2  31.3  30.3  32.2   0.3
>  14.|-- et-15-0-1-0-ar01.capitolhghts.md.bad.comcast.net  20.0%    25
>  33.2  33.2  33.0  33.4   0.0
>  15.|-- ae-0-0-sur03.arlington.va.bad.comcast.net         32.0%    25
>  34.0  34.4  33.8  41.0   1.7
>  16.|-- te-7-0-acr02.arlington.va.bad.comcast.net         16.0%    25
>  34.7  34.8  34.7  35.4   0.0
>  17.|-- 96-88-249-94-static.hfc.comcastbusiness.net       24.0%    25
>  46.5  45.8  42.3  49.2   1.9
>
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