[outages] AT&T <-> Level3 Packet Loss in SF Bay Area

[Cornelius_Lewis at ahm.honda.com]

Level3 is reporting that it may be an issue with a core switch experiencing
high CPU utilization.

Regards

Neal Lewis



                                                                           
             "Bill Wichers"                                                
             <billw at waveform.n                                             
             et>                                                        To 
             Sent by:                  <virendra.rode at outages.org>,        
             outages-bounces at o         <outages at outages.org>               
             utages.org                                                 cc 
                                                                           
                                                                   Subject 
             03/09/2011 02:02          Re: [outages] AT&T <-> Level3       
             PM                        Packet Loss in SF Bay Area          
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           




Have you seen this issue with any other carriers? We have seen a *very*
similar issue with several Comcast-announced routes in the Midwest and
we've never been able to track it down to any "for sure" type of
problem.

  -Bill

> Hi -
>
> On 03/09/2011 11:21 AM, Jonathan Lassoff wrote:
> > We've been observing a small about of intermittent packet loss
to/from
> > AT&T and Level3 here in the San Francisco Bay Area this morning. In
> > examining the situation, it seems like a evenly-spaced dropping of
> > packets to certain IPs.
> -------------------
> We experienced similar issue last week off our level3 connection for a
> specific /21 customer block. After further troubleshooting we decided
to
> re-route our /21 to the other provider where packet loss issue went
> away. We are still scratching our heads over this issue.
>
>
> regards,
> /virendra

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