Re: More on DDOS Attacks
I had a customer with a 2610 running 12.0(4) that had constant random "spurious memory access" errors. I advised him to upgrade to upgrade to 12.0(5) but haven't heard back. Cheers, Andrew Donald Neal wrote:
Subject: BOUNCE nznog(a)list.waikato.ac.nz: Non-member submission from [David Zanetti
] Date: Tue, 22 Feb 2000 19:43:41 +1300 From: owner-nznog(a)list.waikato.ac.nz To: owner-nznog(a)list.waikato.ac.nz From d1nc(a)telecom.co.nz Tue Feb 22 19:43:40 2000 Received: from wakko.burlap.net.nz (p267.tnt1.dialup.the.net.nz [203.110.6.13]) by johnwayne.waikato.ac.nz (8.9.1a/8.9.1/Debian/GNU) with ESMTP id TAA14625 for
; Tue, 22 Feb 2000 19:43:33 +1300 Received: from localhost (dave2(a)localhost) by wakko.burlap.net.nz (8.9.3/8.9.3/Debian/GNU) with ESMTP id TAA08222 for ; Tue, 22 Feb 2000 19:43:31 +1300 X-Authentication-Warning: wakko.burlap.net.nz: dave2 owned process doing -bs Date: Tue, 22 Feb 2000 19:43:30 +1300 (NZDT) From: David Zanetti X-Sender: dave2(a)wakko.burlap.net.nz To: nznog(a)list.waikato.ac.nz Subject: Re: More on DDOS attacks In-Reply-To: <20000222133907.A5270(a)styx.clear.net.nz> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII On Tue, 22 Feb 2000, Chris Wedgwood wrote:
I've been meaning to have another try with a newer version of 12 (especially as 12 has gone GD) so your experience is only going to encourage me, can I ask what version of IOS and on what platform you lab setup was using? [clip] That's not to say it is very stable, the last I tried 12.0.7(S) was pretty horrible. I have '9 down but not tested yet.
Speaking of the stablity of different IOS versions, we have a 3640 with 12.0(4)T on it that needs rebooting after about 7 weeks of uptime. Starts spamming the console port with memory allocation failures, although still manages to route stuff.
It's not a particullarly odd setup, just routing between a couple of FE ports, but we are using dynamic packet filtering on it, ala "permit ... reflect outbound".
Ring any bells for anyone? Couldn't see anything that jumped out at me in the later release notes, and wasn't keen on an upgrade just to "try it out"..
-- David Zanetti
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participants (2)
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Andrew Cutler
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Donald Neal