Re: etherip and VLANs and MTUs (oh my?)

[Jesse Peterson <jpeterson275%comcast.net@localhost>]

On Tue, 11 Nov 2008 23:05:46 +0100
Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:

> On Wed, Nov 05, 2008 at 02:38:39PM -0800, Jesse Peterson wrote:
> > 
> > So my questions are:
> > 
> >  - Are tagged VLANs supported over an etherip(4) interface?
> 
> tagged VLANs are supported over any ethernet interface, but eventually
> with a reduced MTU.
> 
> >  - Do I need to increase the MTU of the etherip interface for the VLAN tag?
> 
> No. etherip supports both ETHERCAP_VLAN_MTU and ETHERCAP_JUMBO_MTU, so it
> should handle the extra 4 bytes of the vlan encap just fine.

Great. We may want to add to the list in the vlan(4) man page that
etherip(4) is supported without MTU adjustment.

Thanks,
- Jesse