[171813] in North American Network Operators' Group

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BGP route flapping

daemon@ATHENA.MIT.EDU (Gus Crichton)
Wed May 14 18:14:18 2014

X-Original-To: nanog@nanog.org
From: Gus Crichton <Gus.Crichton@digicelgroup.com>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Wed, 14 May 2014 22:14:01 +0000
Errors-To: nanog-bounces@nanog.org

Hi there,

Hope you networking experts can shed some light on a concern I have please.=
 I am multihoming using 2 ISPs to the internet, due to reasons outside my c=
ontrol, my primary preferred link keeps dropping a number of times a day fo=
rcing traffic to my backup and vice-versa when the primary comes back up.

The route calculations by the upstream tier 1s and 2s handle the route calc=
ulations but if I do this too many times consuming their resources, is ther=
e a penalty/blackmark on my AS? Is this monitored even by the tier1s and 2s=
?

Thanks.

Regards,
Gus C.

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