300-615 DCIT: Troubleshooting Cisco Data Center Infrastructure

By Cisco · Question Mode

QuestionQ2

Network

A mission-critical server is connected to site A. Connectivity to this server from site B is lost because the MAC route is absent from the OTV VDC on the Cisco Nexus 7000 at site B as a result of MAC aging. Which action permits flooding of the unknown-unicast MAC on the Nexus 7000 in the OTV VDC?

Explanation

Cisco Nexus 7000 OTV supports selective unicast flooding with the otv flood mac mac-address vlan vlan-id command. It configures flooding for the specified destination MAC when the OTV MAC route is unavailable, such as after MAC aging. Cisco Nexus 7000 Series NX-OS OTV Configuration Guide—Configuring Advanced OTV Features

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