North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Nachi/Welchia Aftermath
On Tuesday 20 January 2004 04:16 pm, Rubens Kuhl Jr. wrote: > Not all L3-switches are flow-based; prefix-based ones should do just fine. > Can people add/correct this initial list ? > > Flow-based: Foundry with IronCore modules, Cisco Catalyst 6500 with Sup1(A) > Prefix-based: Foundry with JetCore modules, Cisco Catalyst 6500/7600 with > Sup2(A), Sup3(A/BXL) > > > Rubens > Where do the Extreme and Juniper fit into this? > > ----- Original Message ----- > From: <[email protected]> > To: "Brent Van Dussen" <[email protected]> > Cc: "NANOG" <[email protected]> > Sent: Tuesday, January 20, 2004 9:46 PM > Subject: Re: Nachi/Welchia Aftermath > > > lesson learned: > > stop using /makeshift/ layer3 switches (without naming vendor) to run > > L3 core > > > > -J > > > > On Tue, Jan 20, 2004 at 02:22:52PM -0800, Brent Van Dussen wrote: > > > Well folks, since the middle of August I've been tracking the spread > > > and subsequent efforts by our community to stop the nachia/welchia > > > infection that took down so many networks. > > > > > > Sadly, by my estimations, only about 20-30% of infected hosts were > > > cleaned. After Jan 1, 2004 it appears that the thousands, (millions?) > > of > > > > remaining infected hosts were rebooted and the worm removed > > > itself. Network traffic has finally returned to normal. > > > > > > What kind of effects did everyone see from this devastating worm and > > what > > > > lessons did we learn for preventing network downtime in the future? > > > > -- > > James Jun (formerly Haesu) > > TowardEX Technologies, Inc. > > 1740 Massachusetts Ave. > > Boxborough, MA 01719 > > Consulting, IPv4 & IPv6 colocation, web hosting, network design & > > implementation > > > http://www.towardex.com | [email protected] > > Cell: (978)394-2867 | Office: (978)263-3399 Ext. 170 > > Fax: (978)263-0033 | AIM: GigabitEthernet0 > > NOC: http://www.twdx.net | POC: HAESU-ARIN, HDJ1-6BONE -- Donovan Hill Electronics Engineering Technologist, CCNA www.lazyeyez.net, www.gwsn.com
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