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Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 306
 
Security: 802.1X Authentication 
This section describes 802.1X authentication. 
It covers the following topics:
•Overview
• Properties
• Port Authentication
• Host and Session Authentication
• Authenticated Hosts
• Locked Clients
• Web Authentication Customization
Overview
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