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JN0-683 · Question #42

You are implementing seamless stitching between two data centers and have a proposed configuration for a border leaf device. In this scenario, which two statements are correct? {Choose two.)

The correct answer is B. The translation-vni must be different in each data center. D. The ESI must match in both data centers. When implementing seamless VXLAN stitching between two data centers, the Ethernet Segment Identifier (ESI) must match in both data centers to ensure that the same multi-homed segment is recognized consistently across the environments. This allows seamless failover and…

Data Center Interconnect

Question

You are implementing seamless stitching between two data centers and have a proposed configuration for a border leaf device. In this scenario, which two statements are correct? {Choose two.)

Options

  • AThe translation-vni must match in both data centers.
  • BThe translation-vni must be different in each data center.
  • CThe ESI must be different in each data center.
  • DThe ESI must match in both data centers.

How the community answered

(45 responses)
  • A
    13% (6)
  • B
    80% (36)
  • C
    7% (3)

Explanation

When implementing seamless VXLAN stitching between two data centers, the Ethernet Segment Identifier (ESI) must match in both data centers to ensure that the same multi-homed segment is recognized consistently across the environments. This allows seamless failover and redundancy. However, the translation VNI (Virtual Network Identifier) must be different in each data center because VXLAN stitching involves mapping different VNIs to enable interconnectivity between distinct VXLAN domains. If the same translation VNI is used in both data centers, there would be no differentiation between network segments, leading to potential routing and forwarding issues. Keeping them different ensures proper traffic isolation and mapping.

Topics

#seamless stitching#translation-VNI#ESI#DCI border leaf

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