C&W east coast flap this afternoon?

Nick Feamster feamster at lcs.mit.edu
Wed Nov 13 14:14:42 UTC 2002


We see instability from certain prefixes originated by C&W around this
time (indeed, they seem to be showing up across many of our views).  See

http://bgp.lcs.mit.edu/bgpview.cgi?time=between&start=2002-11-5+12%3A00%3A00&end=2002-11-5+15%3A00%3A00&bins=50&prefix=&rel=eq&aspath=&asrel=contain&origin_as=3561&scale=linear&table=aros_ron_lcs_mit_edu_updates&action=plotlist&View=View

for example.  Other views at AS 3130, 11085, etc. show similar flapping
around that time for the same prefixes.  However, we don't see
widespread C&W flapping at that time.

-Nick


On Tue, Nov 05, 2002 at 07:00:03PM -0500, Jonathan Disher wrote:
> 
> Around 1340 EST today, all four of our C&W connections (1 each of BAR-1
> and 2 to both Atlanta/ALD and WashDC/DCK) flapped (physical circuit
> down/up) simultaneously, followed by BGP flaps on all four about ten
> minutes later.
> 
> Anyone else notice C&W getting weird?  Or could this be related to the
> switchover to New Edge Networks (*grumble*)?
> 
> -j
> 
> 



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