A host that is connected to a Cisco ACI fabric leaf switch sends an ARP request. Which transmission method does the ingress switch use to send the ARP requests?
Assuming the default BD configuration in which ARP flooding is enabled, ingress leaf encapsulates the incoming ARP with dIPo as the gIPo of the BD and sends it to a spine. And spine forwards it all receivers of the gIPo where the BD is activated and programmed.
So in my opinion the answer is C
But if the ARP flooding is disabled with Hardware Proxy enabled, then yes ingress VTEP forwards it to anycast Spine VTEP as unicast and spine performs address lookup in COOP.
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