Which action allows the flooding of the unknown unicast MAC on the Nexus 7000 in the OTV VDC?

A mission-critical server is connected to site A. Connectivity to this server is lost from site B because the MAC route is missing in the OTV VDC of the Nexus 7000 in site B due to MAC aging .

Which action allows the flooding of the unknown unicast MAC on the Nexus 7000 in the OTV VDC?

A. Use route-map to advertise this MAC statically and redistribute with ISIS.

B. Unknown unicast flooding is not allowed.

C. Use the otv flood mac <> command to selectively flood traffic for a given MAC.

D. Use the otv isis bfd <> command to configure BFD protocol.

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