[59763] in North American Network Operators' Group

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BGP flap dampening considered harmful

daemon@ATHENA.MIT.EDU (Sean Donelan)
Fri Jul 18 17:11:43 2003

Date: Fri, 18 Jul 2003 17:11:09 -0400 (EDT)
From: Sean Donelan <sean@donelan.com>
To: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu


Providers which aggressively flap dampen routes may want to consider
periodically clearing their dampened routes over the next few days.  A lot
of providers are changing routes, and sometimes its the intermediate
providers reloading their routers causing the flaps.  It seems some people
dampen some routes for hours after they've been restored.


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