linux-kernel - Re: low overhead packet capturing on linux

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Date:	Wed, 1 Dec 2010 09:21:05 +0000
From:	Alexander Clouter <alex@...riz.org.uk>
To:	linux-kernel@...r.kernel.org
Subject: Re: low overhead packet capturing on linux

Thomas Fjellstrom <thomas@...llstrom.ca> wrote:
>
> I'm working on a little tool to monitor and measure bandwidth use on a vm 
> host, down to keeping track of all guest and host bandwidth, including, 
> eventually per layer7 protocol use.
>
...iptables?  You get packet and byte counters there for free and you 
can have a 'web, smtp, $service[0], $service[1], ... , other' easily 
enough.

Five to eight years ago we (an ISP) used this at a previous workplace of 
mine to do xDSL traffic accounting for our users.

Cheers

-- 
Alexander Clouter
.sigmonster says: problem drinker, n.:
                  	A man who never buys.

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