[c-nsp] MPLS vs CEF

[Gert Doering]

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.

> There is definitely an advantage while doing 6PE compared to regular 
> CEF-switching on GSR with engine2, 4 and 6 linecards (LSR again).

True, forgot that, sorry.  IPv6 needs double lookup on 6500/7600, so
PPS rate for (P-)MPLS is twice that of native IPv6.  Or so.

gert

-- 
USENET is *not* the non-clickable part of WWW!
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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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