[outages] AS 209 transit issues, maybe in IAH only?

Ben Bartsch uwcableguy at gmail.com
Wed Feb 22 16:53:15 EST 2017

We re-enabled exchanging routes with AS 209 this morning around 6am CST and
all problems have been resolved.  No configuration changes within our
network.  CenturyLink looking glass still yields inconsistent results.


On Tue, Feb 21, 2017 at 7:53 PM, Griffin Ellis <GEllis at vhpla.com> wrote:

> We had some OWS circuits go down at that exact time frame for connections
> going to Dallas and Houston. We as well were given extremely minimal
> information other than a "pinched fiber".
> Get Outlook for iOS <https://aka.ms/o0ukef>
> _____________________________
> From: Ben Bartsch via Outages <outages at outages.org>
> Sent: Tuesday, February 21, 2017 12:39 PM
> Subject: [outages] AS 209 transit issues, maybe in IAH only?
> To: <outages at outages.org>
> Anybody else out there peer with AS 209 - CenturyLink / Qwest in the
> Houston area having issues with transit into your AS from 209?  We've been
> having issues since Thursday 02/16/2017.  Symptoms include (all from the
> perspective of our customers) some websites not reachable, DNS not
> resolving, email not being delivered.  As soon as we installed filters to
> drop all advertising and receiving routes from AS 209, every issue was
> resolved.  Our connection to CenturyLink has been up for years without any
> config change on our side.  Tech support at CenturyLink has been a huge
> challenge.  We understand CenturyLink had some sort of maintenance event on
> Thursday, but details are not fully understood.
> -ben
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