Refer to the exhibit. In this scenario a Cisco engineer is building a loop-free topology where a dedicated layer of the vPC domain adjacent to the aggregation layer which also runs vPC is used to interconnect the two data centers together. The engineer globally configures a vPC domain identifier on both vPC devices where the domain ID is the same on both peer devices. Which action successfully forms the domain?

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A. Configure vPC-peer-keepalive link on both peer devices The vPC-peer-keepalive link is essential for establishing and maintaining the vPC domain by providing a heartbeat between the two vPC peer devices. This link monitors the health of the peer and prevents a split-brain scenario if the vPC peer link fails, ensuring the domain forms and operates correctly.

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B. Put peer device interfaces into a suspended state. Putting peer device interfaces into a suspended state would prevent the vPC domain from forming and passing traffic, as it isolates the interfaces.

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C. Enable and reuse an ISL Layer 3 trunk port channel An ISL Layer 3 trunk port channel is not a standard component for vPC domain formation; the vPC peer link is typically a Layer 2 port channel, and the keepalive is a Layer 3 link.

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D. Synchronize the MAC addresses for the member ports Synchronizing MAC addresses for member ports is a consequence of vPC working correctly, not an action that forms the domain itself.

Refer to the exhibit. In this scenario a Cisco engineer is building a loop-free topology where a dedicated layer of the vPC domain adjacent to the aggregation layer which also runs vPC is used to inte

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