From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Goodman <notifications@yescomputersolutions.com>
Date: Mon, 25 Apr 2016 21:41:38 +0000
Subject: Re: Combination of tc-bfifo and iptables doesnt work
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References: <20160425152604.Horde.U0hDTRuRyDfWlX2AeGGqW1b@ermis.noc.duth.gr>
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To: lartc@vger.kernel.org

[snip]
>>       tc qdisc add dev $IF parent 2:1 handle 10 bfifo limit 60
>>       tc qdisc add dev $IF parent 2:2 handle 20 bfifo limit 60
>>       tc qdisc add dev $IF parent 2:3 handle 30 bfifo limit 60
> I have not tried your configuration.
>
> I observe that a bfifo limit of 60 is extremely low.

Can confirm; when bfifo queue size is less than the size of the data 
packet the data packet will not make it through; at least on Redhat kernels.

Alan