Overlay Transport Virtualization （OTV） join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface？ （）

• A、 Join interface is a Layer 3 entity， and with the Cisco NX-OS release 6.0， it can only be defined as a physical interface， physical subinterface， Layer 3 port channel， or Layer 3 port channel subinterface.
• B、 A single join interface can be defined and associated with a given OTV overlay.
• C、 Multiple overlays can also share the same join interface.
• D、 Join interface can be a loopback interface.
• E、 The join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.