North American Network Operators Group
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RE: Jumbo Frames (was Re: MAE-EAST Moving? from Tysons corner toreston VA. )
- From: sthaug
- Date: Mon Jun 19 12:28:54 2000
> > These are important for many reasons. Without these
> > techniques, we can't
> > even do line rate GigE on "common place" servers, let alone
> > have any CPU
> > left over to do more then just send packets.
>
> Actually, my testing shows a falure to utilize even 100baseTX
> fully. Even in a switched FDX environment (no collisions) I can't
> achieve line rate without bumping the packet size up. Considering
> that the smallest box is a quad-CPU SMP machine (550Mhz), I don't
> think that there is a CPU shortage <grin>.
The your problem probably lies elsewhere. A decent operating system
(e.g. FreeBSD) can do line rate on 100baseTX with something along the
line of a Pentium-166. Not exactly a very powerful machine by current
standards. (And btw this was measured three years ago...)
Steinar Haug, Nethelp consulting, sthaug@nethelp.no
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