Jason R Thorpe <thorpej@zembu.com> writes:

> On Tue, Oct 24, 2000 at 10:09:40AM +0100, David Brownlee wrote:
> 
>  > 	Would it be reasonable for ifconfig to be able to display whether
>  > 	an interface is 'full size VLAN frame' capable?
> 
> You can determine that by configuring a VLAN interface and looking
> at the MTU.

How about having ifconfig spit out a warning that the MTU is too small
for proper VLAN usage?

I really think having to look at a MTU value to know if it'll work is
wrong.

--Michael