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Date: Thu, 03 Apr 1997 15:13:35 +0300
From: Ruslan Shevchenko <rssh@cki.ipri.kiev.ua>
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To: Hugh Blandford <hugh@island.net.au>
CC: freebsd-isp@freebsd.org
Subject: Re: How can I measure Mb downloaded?
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Hugh Blandford wrote:
> 
> Hi,
> 
> I am trying to find a piece of software/utility that will tell me how many
> Mbytes have been sent to and from an IP address or device.  I would like to
> log the traffic.  I have a P50 for my router and it is not really upto the
> task.  I am aware of the end of day routine that gives how many packets
> have come in and out of the interface, but I have no idea how you can get
> from the number of packets to the number of bits or megabytes etc.
> 

tcpdump

 (before use, add options "bpfilter" in kernel)


> Regards,
> 
> Hugh.