[c-nsp] Traffic stats on SVIs

[sthaug at nethelp.no]

> > What about in the routing world? Do only higher-end routers support
> > this aswell (I assume it would be per-subif rather than per-SVI on a
> > router) or can I poll reliable stats from 2600s?
> 
> Routers don't have this quirk; traffic is usually software switched and 
> the counters are accurate.

"traffic is usually software switched" is correct for *one segment* of
the "routing world". It is by no means universally true. In my daily
work I deal with routers forward all packets in hardware.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no