[c-nsp] MPLS vs CEF

Richard A Steenbergen ras at e-gerbil.net
Thu Jul 1 20:20:03 EDT 2010


On Thu, Jul 01, 2010 at 09:43:45PM +0200, Gert Doering wrote:
> Hi,
> 
> On Thu, Jul 01, 2010 at 09:17:34PM +0200, Mikael Abrahamsson wrote:
> > What about 7600 and re-circulation? I don't remember exactly what is what, 
> > but wouldn't there be cases where you'd get 15Mpps with regular CEF and 
> > 30Mpps with label switching (LSR) ?
> 
> I think it was the other way round, 30 Mpps for regular CEF and 15 Mpps
> for recirculated MPLS-in-pop-last-label-IP-out.

IIRC it's 30Mpps for regular IPv4 CEF vs 20Mpps when doing MPLS lookups. 
Cut that in half if you have to recirculate (two lookups), etc.

-- 
Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
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