Chapter 25

Configure and Verify Access Control Lists

This chapter covers the following official CCNA 200-301 exam topic:

  • ▸ Configure, verify, and troubleshoot IPv4 standard numbered and named access lists for routed interfaces

The access control list (ACL) is a critical component of security in the Cisco world and beyond. Keep in mind that an ACL has other uses in Cisco networking, in addition to permitting or denying traffic through an interface for security reasons. For example, you might need to use an ACL to identify certain traffic forms on which you want to perform quality of service (QoS). Also keep in mind ACLs are used in many other forms of technology. For example, in AWS, you work with network ACLs (NACLs), which permit or deny ...

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