From mboxrd@z Thu Jan  1 00:00:00 1970
From: Erik Hugne <erik.hugne@ericsson.com>
Subject: Re: packet tracing
Date: Thu, 7 May 2015 09:57:43 +0200
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To: sainath grandhi <saiallforums@gmail.com>
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On Wed, May 06, 2015 at 11:52:57PM -0700, sainath grandhi wrote:
> Hi Erik,
>    Are you referring to something like this?
> 
> iptables -A LOGGING -j LOG

Ex. log all L2 packets (raw/prerouting)
iptables -t raw -A PREROUTING -j LOG

I refer to this a lot (not sure if it's 100% accurate anymore though)
http://upload.wikimedia.org/wikipedia/commons/3/37/Netfilter-packet-flow.svg