[129121] in North American Network Operators' Group
Re: Did your BGP crash today?
daemon@ATHENA.MIT.EDU (Thomas Mangin)
Fri Aug 27 14:41:46 2010
From: Thomas Mangin <thomas.mangin@exa-networks.co.uk>
In-Reply-To: <4C7803A5.4080509@Janoszka.pl>
Date: Fri, 27 Aug 2010 19:41:25 +0100
To: Grzegorz Janoszka <Grzegorz@Janoszka.pl>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 27 Aug 2010, at 19:27, Grzegorz Janoszka wrote:
> On 27-08-10 19:31, Valdis.Kletnieks@vt.edu wrote:
>> On Fri, 27 Aug 2010 19:27:06 +0200, Kasper Adel said:
>>> Havent seen a thread on this one so thought i'd start one.
>>>=20
>>> Ripe tested a new attribute that crashed the internet, is that true?
>>=20
>> If it in fact "crashed the internet", as opposed to "gave a few buggy =
routers
>> here and there indigestion", you wouldn't be posting to NANOG looking =
for
>> confirmation. :)
>=20
> https://www.ams-ix.net/statistics/
>=20
> Not whole internet, but a part. And the "few buggy routers here and =
there" were mostly Cisco CRS-1's which didn't understand the new =
attribute and sent a malformed message to all peers, causing them to =
close the BGP session.
In a way it remind me of the ASN4 bug .. Until a vendor fix is available =
I guess that the details are better left off public mailing lists.
http://www.uknof.org.uk/uknof12/Davidson-4_byte_asn.pdf
> I think most of the impact was limited to Europe, especially Amsterdam =
area.
Yes, It had an effect on ISPs which are connected to RIS. =
http://www.ripe.net/ris/
AFAIK this mean ASes at LINX and AMS-IX . The LINX graph shows a similar =
(but smaller) dip of 50-60 GB.
Thomas=
