A mobility group is created by a Cisco WLCM and 4402 Series Wireless LAN Controller. A clientthat is anchored on the Cisco WLCM roams to an access point on the 4402 controller. You then run adebug command on the 4402 controller. Which message would best describe the establishment of the tunnel from the foreign controller’sperspective？（）

• A、Received Mobile Anchor Export message
• B、Transmit Plumbing duplex mobility tunnel message
• C、Received Plumbing duplex mobility tunnel message
• D、Transmit Mobile Anchor Export message