Subject: Re: 802.1Q & ETHER_MAX_LEN
To: Manuel Bouyer <>
From: Jason R Thorpe <>
List: tech-net
Date: 10/03/2000 12:45:41
On Tue, Oct 03, 2000 at 09:01:25PM +0200, Manuel Bouyer wrote:

 > I'm wondering about older chips. We should also document which ones can
 > do VLAN properly and which can't.

Yes, I fully agree.

 > As pointed out by Daniel Hagerty, there are other encap protocols which may
 > require a different MTU. So I don't think the cap flag is enouth, we also need
 > the max possible length.

There would be a different cap flag for each encapsulation type, so for
Hag's case, there would be a ETHERCAP_ISL_MTU capability.

        -- Jason R. Thorpe <>