[127764] in North American Network Operators' Group
Re: Vyatta as a BRAS
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue Jul 13 17:04:43 2010
To: "Dobbins, Roland" <rdobbins@arbor.net>
In-Reply-To: Your message of "Tue, 13 Jul 2010 18:11:45 -0000."
<A12CA2C9-865A-4107-A688-B83754C8C323@arbor.net>
From: Valdis.Kletnieks@vt.edu
Date: Tue, 13 Jul 2010 17:03:34 -0400
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Tue, 13 Jul 2010 18:11:45 -0000, "Dobbins, Roland" said:
> During the Code Red/Nimda period (2001), and on into the Slammer/Blaster/Nachi
> period (2003), all the routers I personally know of which were adversely
> affected were software-based, didn't make use of ASICs for forwarding.
Cisco 7206VXF apparently had some issues dealing with it:
https://puck.nether.net/pipermail/cisco-nsp/2003-September/005578.html
Slammer's use of multicast addresses melted down at least a few large Cisco and
Juniper boxes:
http://paintsquirrel.ucs.indiana.edu/pdf/SLAMMER.pdf
I wasn't aware that the 7206 and M20 classified as software-based.
(cue weasel-words about those routers using ASICs for most forwarding, but
doing multicast forwarding in software in 5.. 4.. 3..)
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