how to measure bandwidth per jail

Nicolas de Bari Embriz Garcia Rojas nbari at
Thu Mar 21 18:27:30 UTC 2013

Hi, one strange behavior I notice (freeBSD 9.1) is that I don't see the
Obytes per IP only for the bce0 interface, but I do for the cloned
interface lo1:

here is a link with the output of netstat -ib

any ideas ?


On 03/21/2013 18:12, Scott Lambert wrote:
> On Thu, Mar 21, 2013 at 01:26:13AM +0000, Nicolas de Bari Embriz Garcia Rojas wrote:
>> Hi, any tool, idea or method for measuring the bandwidth consumed per
>> jail ? (or by IP)
>> What about using pflow ( pseudo-device pflow) any advice ?
> I found a thread about this topic yesterday via Google.  It was on
> the FreeBSD-ISP at mailing list sometime in 2005 if I
> remember correctly.
> They came up with a few options
> 	netflow, 
> 	counting rules in IPFW/pf/ipf
> 	netstat -rni ( which gets you packet counts, 
> 			-rnbi gives you in-bytes and out-bytes)
> 	bandwidthd (in ports I believe)
> 	I suppose ntop could do similar things.
> My favorite option was netstat -rnbi | awk '{print $8,$11}' and
> feeding that to MRTG.  I have not gotten it implemented yet.
> One consideration is that on FreeBSD 8 and older, you don't get out
> traffic per IP address with netstat, as far as I can tell.  We're
> moving to FreeBSD 9 pretty quickly anyway.

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