[66725] in North American Network Operators' Group

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Re: Nachi/Welchia Aftermath

daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Wed Jan 21 16:55:34 2004

Date: Wed, 21 Jan 2004 22:54:13 +0100 (CET)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: NANOG <nanog@merit.edu>
In-Reply-To: <Pine.GSO.4.21.0401211409520.12691-100000@meron.openu.ac.il>
Errors-To: owner-nanog-outgoing@merit.edu


On Wed, 21 Jan 2004, Rafi Sadowsky wrote:

>  As for the 3550-EMI "real life" experience as a 10/100 BT aggregation switch 
> wasn't affected(CPU <5%) at all by rather aggressive scanning but did
> generate around 11 Mb/sec of ARP requests on all the 100Mb/sec ports in the same
> VLAN and totally killed connectivity to legacy equipment connected at 10 Mb/s ...

In my experience, a few megs of broadcast that a 7206VXR handled fairly
well totally killed off a 3550.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se


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