James Bensley wrote:
I thought that IRB did use CEF on the ISR-G2s?
Cheers,
James.
On software routers, even CEF enabled features do not compare well with
the most optimal and optimized routing operation flows, which is
essentially IP in Ethernet interface, un-encapsulated, unencumbered and
minimally modified, IP out Ethernet interface, likewise.
That is what the routerperformance.pdf is based on and you should use
that in two ways
a) compare relative capacity ratios between platforms
b) guesstimate actual performance based upon which features in use,
starting from those numbers as a hard ceiling and going down.
It has been said frequently that for software routers, halve performance
for each feature in use (tic: including powering on the router)
All that aside, I would expect that IRB as a popular BRAS approach has
been heavily optimized and actually compares well with with vanilla
IPoE. That has been my experience.
YMMV, HTH
Joe
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