vlan0 on em0 has mtu 1496

[Mike Tancsa]

At 05:19 PM 17/04/2003 -0700, Brooks Davis wrote:
>On Thu, Apr 17, 2003 at 08:13:55PM -0400, David Gilbert wrote:
> > Why does a vlan created against em0 have a mtu of 1496.
>
>Because the vlan header takes up 4 bytes.  With em(4) devices it looks
>like fixing that should be a simple matter of raising the real
>interface's MTU to 1504.


Why the difference in behavior vs how the fxp driver works with respect to 
vlans ?

         ---Mike