[c-nsp] Cat 6500 and counters

[sthaug at nethelp.no]

> > > Can someone else confirm this, that "unsampled netflow" will be a 
> > > CPU problem?
> > 
> > No, netflow does not have any impact on CPU at all - netflow statistics 
> > collected at "hardware" level.

I believe this is only partly correct. The netflow info is collected
in hardware - however, it needs to be transferred from the 6500 to the
actual Netflow collector, and this can be rather CPU intensive.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no