If your WLAN is tunneled, all client traffic goes back thru an encapsulated tunnel to the ZoneDirector,
and then onto the network (ie at the data center). Local break out, means the client traffic goes onto
the network at the AP (ie at the site).
Whether locally at the AP, or tunneled back to the ZD, you would need the Client WLAN's VLAN at the
switch port where the client traffic hits the network.