[c-nsp] CPU utilization - "media converter" vs "bump in the cable"

[Gert Doering]

Hi,

On Thu, Apr 16, 2009 at 11:59:03AM -0700, Rick Ernst wrote:
> I was a bit surprised to see that a 7206VXR/NPE-G1 running at the same CPU
> utilization on both an ethernet upstream with ~300mbs (in+out) running
> through it and an OC-3 upstream with about 100mbs through it.

GigE is wired directly to the CPU (part of the CPU, actually) while
PA modules are PCI based.

So it wouldn't surprise me if GigE based things take a lot less CPU on
the NPE-G1.

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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