[outages] Comcast Outages

Jeremy Chadwick jdc at koitsu.org
Wed Nov 16 13:17:05 EST 2016


"Offline completely", sadly, doesn't tell me if the issue is lack of
sync/signal, packet loss, some IP addresses can't be reached, or what.

As a comparison base, Mountain View next door seems up.  That said:

There was maintenance performed on 11/14 01:15 PST (UTC-0800) at the
head end to introduce 4 downstream freqs (531/543/549/555MHz).  This
same maintenance was performed ~3 weeks earlier (10/20) and rolled back.
The problem manifested both times as extremely bad packet loss (up to
30% in some cases).  In this week's case, it lasted until 11/15 03:30
PST (~26 hours), although I have reports that other areas of MV were
affected until 14:45.  I don't know what was done on 11/15 to rectify
the problem but I can tell that SNR and power levels for 573MHz (oddly
enough) greatly improved after repair.  Some other areas of Mountain
View reported the issue lasting until 11/15 14:45.

I only mention this because possibly the same is being done in SV.  CSRs
generally don't have knowledge of this being done, although eventually
if it's widespread enough + enough calls come in, they start reporting
it on 800-COMCAST as an automatic "there is a service outage in your
area" message -- such was the case for me.

HTH, albeit anecdotal and not directly for SV.

-- 
| Jeremy Chadwick                                   jdc at koitsu.org |
| UNIX Systems Administrator                http://jdc.koitsu.org/ |
| Making life hard for others since 1977.             PGP 4BD6C0CB |

On Wed, Nov 16, 2016 at 09:58:04AM -0800, Matthew Carse via Outages wrote:
> John,
> 
> Our offices in Sunnyvale are offline completely. I don’t have further
> details yet, waiting for our remote team.
> 
> Matt
> 
> On November 16, 2016 at 12:49:56 PM, John Neiberger (jneiberger at gmail.com)
> wrote:
> 
> I haven't heard of any issues this morning. Can you be more specific? I'll
> see what I can find out.
> 
> Thanks,
> John
> 
> On Wed, Nov 16, 2016 at 10:42 AM, Matthew Carse via Outages <
> outages at outages.org> wrote:
> 
> > Anyone else seeing Comcast down in California?
> >
> > We are seeing all our Comcast connections offline.
> >
> > Matt
> >
> >
> > _______________________________________________
> > Outages mailing list
> > Outages at outages.org
> > https://puck.nether.net/mailman/listinfo/outages
> >
> >

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