[outages] L3 Denver issue

Micah Byers mbyers at telesphere.com
Thu Jul 19 14:48:48 EDT 2012


Update I got from Level3..

Summary 
A link is at 100% utilization between Salt Lake City, UT and Denver, CO,
which is affecting IP traffic.


Event Case ID: 5781942
Location: Between Salt Lake City, UT to Denver, CO
Impacted For: 3 hours 48 minutes
ETR: Unknown 
Bridge: IP 




*** CASCADED EXTERNAL NOTES 19-Jul-2012 18:46:28 GMT saldanam From CASE:
5781942 - Event
The IP NOC continues to isolate and investigate this issue to determine
the root cause with no new information available.




On 7/19/12 9:54 AM, "Steve Dispensa" <dispensa at phonefactor.com> wrote:

>Just happened again, and we've been seeing crazy packet loss through slc
>on a L3 route from Kansas City to San Francisco as well. Something has
>been broken in SLC since at least 8:50 AM Central.
>
> -sd
>
>> -----Original Message-----
>> From: Micah Byers [mailto:mbyers at telesphere.com]
>> Sent: Thursday, July 19, 2012 9:36 AM
>> To: Steve Dispensa; outages at outages.org
>> Subject: Re: [outages] L3 Denver issue
>> 
>> Yes, having a lot of packet loss to a Salt Lake City HSIP circuit I
>have
>> with them..  No problem with my Denver HSIP circuit though.  I have a
>> ticket open with them and the tech was not aware of an outage.
>> 
>> 
>> 
>> On 7/19/12 6:23 AM, "Steve Dispensa" <dispensa at phonefactor.com> wrote:
>> 
>> >Had some alarms go off this morning regarding an apparent problem
>with
>> >Level3 transiting Denver. Anyone else see anything? Level 3 seems to
>be
>> >unaware, still, at least according to their support desk.
>> >
>> >tracing Illinois-California:
>> >
>> >[08:11]   8 ae-3-3.ebr2.Denver1.Level3.net (4.69.132.61) [AS 3356]
>> >[MPLS: Label 1350 Exp 0] 36 msec 32 msec 44 msec
>> >[08:11]   9 ae-1-100.ebr1.Denver1.Level3.net (4.69.151.181) [AS 3356]
>> >[MPLS: Label 1360 Exp 0] 32 msec 32 msec 40 msec
>> >[08:11]  10  *  *  *
>> >[08:11]  11  *  *  *
>> >
>> >And in reverse:
>> >
>> >[08:12]     4.69.152.209 [AS 3356] 4 msec
>> >[08:12]     4.69.152.81 [AS 3356] 0 msec
>> >[08:12]   3  *  *  *
>> >[08:12]   4  *  *  *
>> >
>> >7:45-8:10 or so, US Central time.
>> >
>> > -Steve
>> >
>> >
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>
>
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