Subject: Re: [patch 5/5] d80211: allow wireless vlan interface to havesameMAC an AP interface

From: David Kimdon <[email-masked]>
Date: Tue, 10 Oct 2006 06:42:26 -0700

On Tue, Oct 10, 2006 at 12:50:27PM +0200, Johannes Berg wrote:
> On Mon, 2006-10-09 at 14:38 -0700, Jouni Malinen wrote:
> 
> > Yes, I just merged in support for this (dynamic VLANs) into hostapd.
> > RADIUS Access-Accept is used select VLAN is being used and the STA is
> > bound at that point to another virtual interface, if needed.
> 
> Different question. How do broadcasts to a vlan interface work? Are they
> rewritten to unicasts to all vlan stations? 

no, still broadcasts, but in a typical deployment some for of encryption
is used.  Each vlan has a unique broadcast key so stations on one vlan
cannot decrypt packets from another vlan. 

-David