General Internet Instability

Mon Nov 7 16:09:35 UTC 2011

Can anyone point to any authoritative updates about this?

On Mon, Nov 7, 2011 at 10:31 AM, Jared Mauch <jared at puck.nether.net> wrote:

> On Nov 7, 2011, at 10:08 AM, Tom Hill wrote:
>
> > On Mon, 2011-11-07 at 10:00 -0500, Todd Snyder wrote:
> >> We seem to be having some problems with our tata links - first seen in
> EU
> >> about 45 minutes ago, now we're seeing problems in NA.  I'm focused on
> DNS,
> >> so I'm seeing a lot of timeouts/servfails, but our networking folks are
> >> talking about links dropping.
> >>
> >> Anyone else seeing oddness on the NA Internet right now?
> >>
> >> http://downrightnow.com/ confirms - something is up.
> >
> > There are widespread issues across the Internet; certain versions of
> > Juniper firmware have core dumped after seeing a particular BGP 'UPDATE'
> > message.
> >
> > (That's the running theory at least).
> >
> > It's affected multiple service providers, globally, not just those
> > connected to TATA.
>
>
> Pretty much any major BGP event will impact multiple providers.
>
> A threshold you should use to view the general instability (which I find
> valuable, you may as well) is route views data.
>
> If you look at the BGP UPDATES archive sizes, you can see when something
> happens, e.g.:
>
> http://archive.routeviews.org/bgpdata/2011.11/UPDATES/
>
> Take a look at the size of the updates.20111107.1400.bz2 file and the 1415
> file.  They are abnormally large compared to a normal period of time.  This
> shows there were a lot of updates out there being processed and a reference
> to levels of instability.
>
> If you are not feeding route views or similar community projects, please
> consider doing so.  It helps paint the view for those doing analysis.
>
> - Jared
>