American Fibertek SM9p - Manual (Page 112)

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Security Configuration
In this section, you can configure 802.1x, IP, and port security.
Security Configuration interface
802.1X/ Radius Configuration
802.1x is an IEEE authentication specification that allows a client to connect to a wireless
access point or wired switch but prevents the client from gaining access to the Internet
until it provides authority, like a user name and password that are verified by a separate
server.