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Dive into the world of ARP flooding and ARP gleaning options in Cisco ACI as there is a common confusion surrounding their use, and understanding these options can significantly boost your network’s performance and efficiency. In Cisco ACI, ARP flooding can be a game-changer for your network:
Enabled ARP Flooding: Broadcasts ARP requests to all endpoints, ideal for dynamic environments with frequently changing IP addresses.
Disabled ARP Flooding: ACI leaf switches respond to ARP requests directly, utilizing the endpoint database. This reduces network traffic, enhancing performance for stable environments.
ARP Gleaning: ARP gleaning allows ACI switches to update the endpoint database by listening to ARP packets, ensuring accurate IP-to-MAC mappings, even with ARP flooding disabled.