On Mon, 28 Feb 2000, Dennis wrote:
> >So a more stupid precise question:
> >How did you count it to get the interupts/sec?
> >Ie did you take a long time average or did you use some little tool
> >which gave you a more accurate peaks. I can understand if you tested with
> >some piece of hardware like the smartbits, but from your context it seems
> >to be from real life traffic
> > Seems like 110Kpps is already beyond T3 capacity.
>
> *yawn* Ever hear of vmstat -i (or /proc/interrupts in linux-speak?)
>
So maybe BSD knows how to do this; not sure how vmstat -i works: i.e how
accurate it is, what kind of measurement windows it is.
Theres no way /proc/interrupts could tell you the rate.
> Lets see, 90Mb/s / (40 * 8) = over 281,000pps max per HSSI, and I said dual
> HSSIs so thats 560,000pps possible.
>
Ok so 40 bytes are just IP headers; no framers needed because T1
technology is synchronous.
But i was under the impression that a T3 would probably give you a max of
45Mbps
> at least try to do the math before wasting bandwidth on the list please.
>
Denis, you techno-ruffian God! Please have it in your heart to forgive us
mere mortals when we sin.
We are probably fast getting off topic
cheers,
jamal
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