User-Authentication Configurations
A Universal Port user-authenticate configuration requires specific components:
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An Extreme Networks switch, which might need to include PoE support.
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RADIUS server for user authentication and VSA transmission.
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Supplicants that support the authentication method you select. LLDP support is recommended, but is optional when MAC address authentication is used.

Note
To support supplicant configuration, you might consider adding a DHCP server to your network. For VoIP applications, you can use a TFTP server and a call server to provide for additional supplicant configuration.Use the following procedure to configure Universal Port for user login: