Which action must be taken on BD1 to meet these requirements?

Refer to the exhibit.

An engineer wants to initiate an ICMP ping from Server1 to Server2. The requirement is for the BD1 to enforce ICMP replies that follow the expected path. The packets must be prevented from taking the direct path from Leaf1 to Server1 .

Which action must be taken on BD1 to meet these requirements?
A . Set L2 Unknown Unicast to Flood.
B . Set L2 Unknown Unicast to Hardware Proxy.
C . Disable Unicast Routing.
D . Enable ARP Flooding.

Answer: B