[c-nsp] CEF memory usage

[Joe Maimon]

Rodney Dunn wrote:

> Let me try and clear some confusion up here because as
> I see a lot people make general observations and it explodes
> to some "the sky is falling" scenario.
> 
> a) 12.3T does not have the changes to support MPLS NSF that
>    went in to 12.2(22)S 

Funny, I always assumed that was what it was when 2 full tables 
FIB-DISABLED a 7500. Since I recalled running 3 full tables on another 
7500 rsp4 about a year or so earlier on 12.2T, I assumed that was the cause.