[40299] in North American Network Operators' Group
Re: TCP session disconnection caused by Code Red?
daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Mon Aug 6 16:57:01 2001
Date: Mon, 6 Aug 2001 21:56:25 +0100 (BST)
From: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
To: mike harrison <meuon@highertech.net>
Cc: Blaz Zupan <blaz@amis.net>, "nanog@nanog.org" <nanog@nanog.org>
In-Reply-To: <Pine.LNX.4.10.10108061640120.10298-100000@home.highertech.net>
Message-ID: <Pine.LNX.4.21.0108062154580.19852-100000@staff.opaltelecom.net>
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On Mon, 6 Aug 2001, mike harrison wrote:
>
> > Hmmm, a 7206 should surely be able to handle more than 600 packets per second
> > or am I wrong here? Our upstream E3 is currently used a maximum of 15Mbps and
>
> It's not the packets per second that seems to kill them, its
> the amount of arp cache and sessions (figure 600 packets per second,
> each packet to a different host...Thats a lot of sessions in 5 minutes)
Curious, in that case consider null routing unused blocks, perhaps take
the opportunity to improve on subnet and vlan distribution to help the
null routing.
Steve