元Out and regular endpointsĬisco ACI mainly uses the endpoint table instead of the MAC address and ARP tables, it still uses the RIB and the ARP table. It also allows detection of IP address and MAC address movement without the need to wait for GARP as long as some traffic is sent from the new host. This approach reduces the number of resources needed to process and generate ARP traffic. Cisco ACI learns MAC and IP addresses in hardware by looking at the packet source MAC address and source IP address in the data plane instead of relying on ARP to obtain a next-hop MAC address for IP addresses. This change implies that Cisco ACI learns that information in a different way than in a traditional network. Each endpoint represents a single networking device In a traditional network, three tables are used to maintain the network addresses of external devices:ġ) A MAC address table for Layer 2 forwarding,Ģ) A Routing Information Base (RIB) for Layer 3 forwarding.ģ) An ARP table for the combination of IP addresses and MAC addresses.Ĭisco ACI replaced the MAC address table and ARP table with a single table called the endpoint table. An endpoint consists of one MAC address and zero or more IP addresses. JLeave a Comment ACI Endpoint Learning Cisco ACI and endpointsĬisco ACI uses endpoints to forward traffic.
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