[c-nsp] 7600, DFC's and MPLS

[Asbjorn Hojmark - Lists]

>>> However, if I use DFC3 cards on 67xx modules, bringing the
>>> forwarding decision to the line card, can I still use MPLS?

>> Yes, if they're DFC3B or DFC3BXL, you can. (And there's a
>> caveat here: The PFC will fall back to the lowest DFC mode on
>> any line card, so don't ever use a DFC3A with af PFC3B(XL)).

> What about the opposite scenario - using modules without ANY 
> DFC?

That'll work too. Then forwarding is simply done on the PFC (and
at lower total system performance, of cause).

-A