[c-nsp] Cat 6500 - now specced !

vince anton mvanton at gmail.com
Sun Jul 9 04:19:20 EDT 2006


thanks to all for pointing out that the 6148A is the way to go with sup32 in
my environment.

I take it that you'd get total 1G from each set of 8 ports, and total of 6G
from each such card in the chassis right ?

What about the 8 SFP GE ports on the SUP32.  Are these line rate, and how
are they attached to the fabric ?    And how else do they differ from the
ports on the 6148A (in terms of L2/L3 features etc..) ?


thanks


anton


On 08/07/2006, at 1:21 PM, Tim Stevenson wrote:

> Sorry, that's wrong. The A card has the exact same 8:1
> oversubscription & follows the same architectural model as the non-A
> at a high level (8 ports per "stub" ASIC connecting to aggregation
> ASIC(s)).
>
> But the ASICs in the A version are more capable and have some
> advantages (per port vs shared buffers and jumbo frame support for
> example). But there is still **one Gig bandwidth between each group
> of 8 ports & the bus** and you'll never get more than 6G out of this
> card.
>
> HTH,
> Tim


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