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300-620 · Question #261

Refer to the exhibit. Endpoint-A must communicate with Endpoint-B, but Leaf-101 has not learned the location of Endpoint-B. Which step must Leaf-101 take before sending the data?

The correct answer is A. Leaf-101 forwards the packet to the anycast proxy VTEP IP. In this scenario, given the ingress leaf does not know the destination MAC address, it will forward the packet to the spine anycast proxy-mac address. The spine will perform a COOP lookup for the destination MAC…

ACI Packet Forwarding

Question

Refer to the exhibit. Endpoint-A must communicate with Endpoint-B, but Leaf-101 has not learned the location of Endpoint-B. Which step must Leaf-101 take before sending the data?

Exhibit

300-620 question #261 exhibit

Options

  • ALeaf-101 forwards the packet to the anycast proxy VTEP IP.
  • BLeaf-101 creates an eVXLAN tunnel to Leaf-104.
  • CLeaf-101 sends the packet to the Spine-201.
  • DLeaf-101 broadcasts an ARP request on a link to one of the spines.

How the community answered

(32 responses)
  • A
    91% (29)
  • C
    6% (2)
  • D
    3% (1)

Explanation

In this scenario, given the ingress leaf does not know the destination MAC address, it will forward the packet to the spine anycast proxy-mac address. The spine will perform a COOP lookup for the destination MAC. infrastructure-controller-apic/218035-troubleshoot-aci-intra-fabric-forwarding.html

Topics

#anycast proxy VTEP#endpoint learning#VXLAN forwarding

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