[155447] in North American Network Operators' Group
Re: Bell Canada outage?
daemon@ATHENA.MIT.EDU (David Miller)
Wed Aug 8 16:50:29 2012
Date: Wed, 08 Aug 2012 16:49:55 -0400
From: David Miller <dmiller@tiggee.com>
To: nanog@nanog.org
In-Reply-To: <CAAiPG3JUuWJQBLNjgyf3Zpsz6B4r7i79o-dvVfgSpSSCWxoOHw@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 8/8/2012 4:14 PM, Steve Dalberg wrote:
> CPU's were pegged for a customer of mine in California. tracked it
> down to 2 events that went down at that time with a large message
> volume.
>
> 1) Peering between GLBX and Level3 dopped somewhere, causing many
> prefixes to shift away from L3 paths.
FYI: We saw significant route churn on GBLX (AS3549) as well as on Tata.
> 2) Some IPv6 prefixes were aggressively bouncing from HE starting at
> 11:25. Can't trace it any further upstream for HE unfortunately.
> This cause lots of CPU churn on one of my customers networks
>
> May or may not be related.
>
