From the course: Cisco CCNP Security SCOR v1.1 (350-701) Cert Prep

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802.1X

802.1X

From the course: Cisco CCNP Security SCOR v1.1 (350-701) Cert Prep

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802.1X

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- Before we look at configuring 802.1x, let's take an overview of what this is and how this works. 802.1x is a standard for network access control, predominantly used in wireless networks, although that is also used with wired networks. This essentially ensures that the network is disconnected until authentication is completed. Depending on the results of the authentication, the user will be either granted or denied access to the network. When we're using 802.1x, there are three roles involved. We have the supplicant, the authenticator, and the authentication server. The supplicant is our endpoint. The good news is that Windows and macOS now both have native supplicant software installed. That's also offered by the Cisco AnyConnect software as well. The supplicant software will communicate identity credentials through EAP over LAN, providing those to the authenticator. The authenticator is the piece that controls access to the network based on the authentication status of the…

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