Re: query !!
Mon, 26 Oct 1998 21:40:17 +0100

> > With most packet grabbers, you can't. If you have a kernel with BPF, tcpdump
> > will tell you the number of dropped packets when you exit, from the BIOCGSTAT
> > S
> > ioctl call.
> Isn't that only the number of packets dropped by the BPF filter due to
> the inability of it to process the packets fast enough?

Yes. I may have misunderstood the question.

> Side hypothesis: using tcpdump on the same machine that netperf is
> receiving on will cause you to drop more packets on a sufficently fast
> enough link to bog down the machine.


Steinar Haug, Nethelp consulting,