netdev - Re: tc filter show not displaying anything

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Date:	Fri, 16 Dec 2011 14:06:35 -0500
From:	"John A. Sullivan III" <jsullivan@...nsourcedevel.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: tc filter show not displaying anything

On Fri, 2011-12-16 at 06:42 +0100, Eric Dumazet wrote:
> Le vendredi 16 décembre 2011 à 00:39 -0500, John A. Sullivan III a
> écrit :
> 
> > Ouch! That was right out of the book so to speak.  Thanks for pointing
> > it out - now I see it is right in the man page.  Is best practice to not
> > perturb and live with the potentially unbalanced queues or just to set
> > it even higher? Thanks - John
> > 
> 
> I'll fix this today, because rehashing up to 128 packets is not that
> expensive.
> 
> In the meantime, just use a higher timer (say 60 seconds), and if your
> kernel is recent enough, use a higher 'divisor' value (default 1024, can
> be up to 65536) to lower risk of hash collisions.
<snip>
Thanks.  Alas, no divisor parameter in Debian Squeeze:
sfq [ limit NUMBER ] [ perturb SECS ] [ quantum BYTES ]


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