300-615 DCIT: Troubleshooting Cisco Data Center Infrastructure

By Cisco · Question Mode

QuestionQ24

Network

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Refer to the exhibit. Sw1 and Sw2 are Cisco Nexus 9000 Series switches running Cisco NX-OS. They are VTEPs within the same vPC domain. What happens in this scenario?

Explanation

In a VXLAN vPC deployment, the designated forwarder installs the multicast encapsulation route, and a single elected peer installs the decapsulation multicast route. Sw1 has the source-specific multicast entry with Ethernet2/2 in its outgoing-interface list, whereas Sw2 has no outgoing interface for that entry; therefore, Sw1 performs VXLAN multicast encapsulation and decapsulation for the associated VNIs.

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