In the last episode (Sep 17), Paul Hoffman said:
> Greetings again. If I do a 'netstat -I em0 -b', I get:
>
> Name Mtu Network Address Ipkts Ierrs Ibytes Opkts
> Oerrs Obytes Coll
> em0 1500 <Link#1> 00:0e:0c:67:c8:04 93555198 0 2179562966
> 114493253 0 723565977 0
> em0 1500 fe80:1::20e:c fe80:1::20e:cff:f 0 - 0 4
> - 288 -
> em0 1500 192.245.12 Balder-227 35399016 - 1770283188
> 114484197 - 3415268168 -
> em0 1500 192.245.12.22 Balder-228 27063120 - 1655024896 0
> - 0 -
> em0 1500 192.245.12.22 Balder-229 47427840 - 3954775975
> 18975500 - 2445620452 -
>
> What I care about is the number of input and output bytes (in this
> case, 2179562966 and 723565977). I can write a short Perl script to
> parse the netstat output, but I would rather just get the numbers
> directly from the OS. Are these values available without going
> through netstat?
If you use the same code netstat does, yes :) It looks like
per-interface stats are still obtained by grovelling through /dev/kmem,
though, so it may be easier to just parse netstat's output. Another
alternative would be to install net-snmp and ask it for the stats.
--
Dan Nelson
[EMAIL PROTECTED]
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