[c-nsp] Cat 6500 spec

Asbjorn Hojmark - Lists lists at hojmark.org
Sat Jul 8 19:04:40 EDT 2006


> I have been told that the 6148-A is equipped with 48 GigE 
> ASICs so that each port has it's own ASIC. The oversubscription
> of this linecard is 48:32 (i.e.  1.5:1) because it is attached
> to the classic bus and as such limited to 32 gbps throughput.

As Tim pointed out, that's not so.

Add to that the fact that the "32 Gbps" classic bus is in fact
only 16 Gbps (times marketing), and a shared bus at that (not
full duplex) so even if the card was 'straight through', it'd
something less than 48:16.

-A



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