reachability problems Europe->US?

[hj1980 at gmail.com (Heath Jones)]

It seemed from the symptoms OP was seeing, that Qwest was the issue.
Has GLBX reported to you that they are having a fault? If not, perhaps
try tagging your exported routes to GLBX with 8010 as per this:
http://onesc.net/communities/as3549/



On 7 October 2010 16:59, John van Oppen <jvanoppen at spectrumnet.us> wrote:
> Global crossing is having major issues (since yesterday actually) in Seattle. ? ?Every path I see to dfn.de is via gblx and Microsoft hosts most of those sites out of the seattle area so they may be seeing the same issue.
>
> Based on what we can see gblx has a broken port-channel or something similar here as random traffic (into) their network via our transit link gets black-holed. ? We could not even reach global crossing's own name servers for a while. ? ?We gave up and turned down BGP yesterday until we hear from them. ? Based on graphs at the time things broke they appeared to be black-holing roughly 1/4 of what we were sending them.
>
>
> Thanks,
> John van Oppen
> Spectrum Networks / AS 11404
>
>
> -----Original Message-----
> From: Thomas Schmid [mailto:schmid at dfn.de]
> Sent: Thursday, October 07, 2010 6:10 AM
> To: Heath Jones
> Cc: nanog at nanog.org
> Subject: Re: reachability problems Europe->US?
>
> Hi,
>
> On 07.10.2010 14:35, Heath Jones wrote:
>>> Seems to be only source-prefix-based, but several ISPs in europe are affected.
>> Can you post source and destination IP's ?
>
> source: 131.220.0.0/16, 212.201.68.0/22, 212.201.72.0/21,
> destination: 65.122.178.73, 63.228.223.104
>
> traceroute to 65.122.178.73 (65.122.178.73), 30 hops max, 40 byte packets
> ?1 ?er-rz-gig-3-3.stw-bonn.de (131.220.99.62) ?1.792 ms ?1.275 ms ?1.125 ms
> ?2 ?xr-bon1-te2-3.x-win.dfn.de (188.1.233.193) ?0.705 ms ?2.132 ms ?0.755 ms
> ?3 ?xr-bir1-te2-3.x-win.dfn.de (188.1.144.9) ?1.477 ms ?1.936 ms ?1.051 ms
> ?4 ?zr-fra1-te0-7-0-5.x-win.dfn.de (188.1.145.46) ?4.034 ms ?3.734 ms ?4.957 ms
> ?5 ?64.213.78.237 (64.213.78.237) ?3.866 ms ?3.295 ms ?26.854 ms
> ?6 ?jfk-brdr-04.inet.qwest.net (63.146.26.225) ?119.511 ms ?92.735 ms ?99.019 ms
> ?7 ?* * *
>
> or quote from DE-CIX tech-list:
>
> [www.microsoft.com]
> -----------
> We also have some connectivity problems to ms, changing the bgp routing to
> another tier 1 carrier don t resolve the problem
> -----------
>
> Cheers,
>
> ?Thomas
>
>