Security: 802.1X Authentication
Overview of 802.1X
Cisco 500 Series Stackable Managed Switch Administration Guide
This section describes 802.1X authentication.
It covers the following topics:
•
Overview of 802.1X
•
Authenticator Overview
•
Common Tasks
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802.1X Configuration Through the GUI
•
Defining Time Ranges
•
Authentication Method and Port Mode Support
802.1x authentication restricts unauthorized clients from connecting to a LAN
through publicity-accessible ports. 802.1x authentication is a client-server model.
In this model, network devices have the following specific roles.
•
Client or supplicant
•
Authenticator
•
Authentication server
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