From mboxrd@z Thu Jan  1 00:00:00 1970
From: jamal <hadi@cyberus.ca>
Subject: Re: [iproute2] tc action mirred    question
Date: Sat, 12 Sep 2009 17:49:01 -0400
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To: Xiaofei Wu <xiaofei_wu08@yahoo.com>
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On Sat, 2009-09-12 at 09:01 -0700, Xiaofei Wu wrote:

> I can mirror the packets (A -> B) to D. Node D forwards them to C.
> Sometimes the same packets through the path A-B-C, A-D-C are not lost. Node C will receive the
> same packets twice. How to handle the duplicate packet on node C ?
> 
> Maybe the duplicate packets have side effects to TCP.
> 

I will leave this to you. This is where you go and do interesting
things, publish your results and maybe write a paper.
I dont think its a big deal to receive duplicate packets.

cheers,
jamal