Cisco Cisco SG300-28 28-Port Gigabit Managed Switch Maintenance Manual
22
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)
450
Security: 802.1X Authentication
This section describes 802.1X authentication.
It covers the following topics:
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Overview of 802.1X
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.
through publicity-accessible ports. 802.1x authentication is a client-server model.
In this model, network devices have the following specific roles.
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Client or supplicant
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Authenticator
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Authentication server