From the course: Implementing Cisco Software-Defined Wan (SD-WAN) for your Enterprise and Cloud

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Access control lists (ACLs)

Access control lists (ACLs)

- [Instructor] This lesson will be the start into getting into policies. We're going to start with localized policies first. And so, we're going to start with access control list, or ACLs. ACLs are commonly used for filtering packets as they flow in or out of a device. They're placed on a network interface. Now, in addition to that, we can also use them for other functions. We could use them for quality-of-service packet classification or marking. We could use them for policing within quality of service. We could actually use them to copy packets onto other devices or on the network. We could use it for counting traffic flows that match a specific access control entry, or you could also think of it as a sequence rule, depending upon which mentality you want to go with. We could also log the flows that match that access control entry. And then we're going to apply ACLs on the interface feature template. So, when we talk about building out an ACL, here is the process we're going to do…

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