Log a network card traffic

[Vince]

Marco Gonçalves wrote:
> Hi list,
> 
> any thoughts about graphing in a nice MRTG all the traffic coming in and out from a network card using the simplest method possible ( and mininum cpu cycles possible). I think that runing SNMP is a bit too much just for getting this done.
> 
Hmm a compination of rrdtool and netstat -ib should be enough if you
just want traffic volume. netstat -ib will show in and out traffic in
bytes (it you want bits i guess just multiply by 8 first) If you use
pf/ipfw then maybe a pass rule and "pfctl -vs rules" and grep/sed/awk
or similar on the output (to be fair if you use pf then maybe just use
pfstat in ports.)

> Thanks in advance
> 
> 
> Marco Gonçalves
> Analista-Programador
> WayNext - web agency
> 
> [w] http://www.waynext.com
> [@] marco.goncalves at waynext.com
> [t] (+351) 21 424 0002
> [f] (+351) 21 019 2757
> 
> TagusPark, N.C., 238, Oeiras, Portugal
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