[Cheat Sheet] ACI – Contracts

This week I detail the Contracts inside ACI, allowing to filter the traffic between endpoints, like an ACL would do in a classic network.

In this document, I describe the VRF default behaviors and how we can improve the filtering with the Contracts. How the contracts are working inside ACI, the object model and some example of configurations and their effect (Reverse Filter Ports, Apply Both Directions…).

The file is still in progress, but I think the information is already ready to be shared with enough information to help a lot of people understanding the basics of the ACI contracts

The file is available here: ACI 05 – Contracts.

PS: The other files of this series can be found here:


Network engineer at CNS Communications. CCIE #47705, focused on R&S, Data Center, SD-WAN & Automation.

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