[c-nsp] Provider border box

[sthaug at nethelp.no]

> > What about Sup32? It is a sweet piece of hardware, primarily
> > because of large buffers per port. Maybe there are some
> > limitations I'm not aware about?
> 
> The Sup32 comes only with a PFC3B, which will not hold the full
> Internet table for long, and some of the newer modules (higher
> density and performance) requires a Sup720.

And as far as I remember you need a more expensive license than the
default to run BGP - which changes the picture somewhat.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no