[c-nsp] mtu issues on 3750

[sthaug at nethelp.no]

> > Won't work. This is a known limitation of using the 3750 for L3. It
> > works fine with large MTUs for L2, but not for L3.
> 
> with recent IOS, you can set "system mtu routing <x>" to set the L3 MTU 
> for all routed ports/SVIs. particularly useful if you need L2 MTU > 
> 1500, but want to keep L3 MTU at 1500 byte.

True, but you still can't set the L3 MTU to something suitably big
like 4470 or 9000.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no