单项选择题

ClienttrafficisbeingbridgedthroughLANinterfacesontwoWLC……

Client traffic is being bridged through LAN interfaces on two WLCs. Which roaming option will keep them on the same IP subnet？（）

A. Layer 1 intercontroller roaming
B. Layer 2 intercontroller roaming
C. Layer 3 intercontroller roaming
D. intracontroller roaming

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