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From: David Miller <davem@davemloft.net>
Subject: Re: fedora 14 kernel performance with ip forwarding workload
Date: Wed, 06 Apr 2011 13:29:06 -0700 (PDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 06 Apr 2011 22:18:56 +0200

> I remember last time I work on a fedora kernel, it had conntrack enabled
> 
> And yes, conntrack can really slowdown a router, because of default
> parameters.

Yes, if conntrack is enabled performance will indeed tank.