[c-nsp] gigabit ports/modules for 7507 and 7513 routers

[Sridhar Ayengar]

Kevin Graham wrote:
>>> My understanding is that the PA-CyBus interface is a variation of PCI 
>>> that's limited to 330Mbps.
>> So then doesn't that limitation also apply to the 7200VXR series routers?
> 
> Yes, which is why the NPE-G1 and NPE-G2 have onboard gigabit interfaces that
> don't touch the shared backplane, along with the addition of VSA for NPE-G2.
> Theoretically the bus bandwidth to a PA in C7200-JC-PA could be increased as
> well, though I don't believe this is done presently.

Ah.  That makes it much clearer.  Thanks.

Peace...  Sridhar