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JN0-683 · Question #34

Click the Exhibit button. You are deploying a VXLAN overlay with EVPN as the control plane in an ERB architecture. Referring to the exhibit, which three statements are correct about where then VXLAN…

The correct answer is B. All leaf devices will have L2 VXLAN gateways. D. Only the border and leaf devices will have L3 VXLAN gateways. E. Spine devices will have no VXLAN gateways. Spine devices will have no VXLAN gateways: In a typical VXLAN-based architecture with EVPN, spine devices do not function as VXLAN gateways. Their role is to provide connectivity and forwarding for VXLAN traffic, but they do not act as gateways for Layer 2 or Layer 3. Only the…

Overlay Networks

Question

Click the Exhibit button. You are deploying a VXLAN overlay with EVPN as the control plane in an ERB architecture. Referring to the exhibit, which three statements are correct about where then VXLAN gateways will be placed? (Choose three.)

Exhibit

JN0-683 question #34 exhibit

Options

  • AOnly the spine devices will have L2 VXLAN gateways.
  • BAll leaf devices will have L2 VXLAN gateways.
  • CAll leaf devices will have L3 VXLAN gateways.
  • DOnly the border and leaf devices will have L3 VXLAN gateways.
  • ESpine devices will have no VXLAN gateways.

How the community answered

(35 responses)
  • A
    9% (3)
  • B
    77% (27)
  • C
    14% (5)

Explanation

Spine devices will have no VXLAN gateways: In a typical VXLAN-based architecture with EVPN, spine devices do not function as VXLAN gateways. Their role is to provide connectivity and forwarding for VXLAN traffic, but they do not act as gateways for Layer 2 or Layer 3. Only the border and leaf devices will have L3 VXLAN gateways: In an EVPN-VXLAN setup, L3 VXLAN gateways are typically placed on the border and leaf devices. These devices are responsible for bridging between Layer 2 and Layer 3 domains, handling routing for traffic that needs to go between different VXLAN segments or between VXLAN and external networks. All leaf devices will have L2 VXLAN gateways: Leaf devices often function as L2 VXLAN gateways. They handle the bridging between VXLAN segments and provide Layer 2 connectivity for hosts within the same VXLAN.

Topics

#ERB architecture#VXLAN gateway#L2 L3 gateway placement#EVPN-VXLAN

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