FW: [nsp] 7200 NPE-G1 and GE performance

[Tomas Daniska]

sorry - i hit 'reply' instead 'reply all'

--

deejay 

> -----Original Message-----
> From: Tomas Daniska 
> Sent: 15. mája 2003 17:16
> To: 'Spin'
> Subject: RE: [nsp] 7200 NPE-G1 and GE performance
> 
> 
> > all we know Cisco 7200 VXR has a 1,2Gbps backplane. This mean 
> > a serious 
> > limit for PA-GE adapters deployment on this platform. My 
> > question is if 
> > the new NPE-G1 overcome this limit. But from what i 
> > understand the 3 GE 
> > interface on the NPE processor board are not limited of that 
> > backplane 
> > bandwidth not using backplane at all, am i right? And if i'm 
> 
> afair there are three pci buses on npe-g1
> 
> one for the left column of slots
> one for the right one
> one for the i/o controller slot
> 
> and the three on-board ge ports are connected directly to the 
> cpu (thus not wasting bandwith points of the pci buses)
> 
> > right what 
> > performance limit I can expect moving traffic across GE 
> interfaces on 
> > the NPE-G1 board?
> 
> up to what the cpu can do... cisco promises 1Mpps with cef
> 
> --
> 
> deejay 
>  
>