Edimax ES-3124REM User Manual page 43

Perport Configuration:
There are four types for each port:
Fu, Force unauthorized: The specified port is required to be
held in the Unauthorized state.
Fa, Force authorized: The specified port is required to be held
in the Authorized state.
Au, Auto: The specified port is set to the Authorized or
Unauthorized state in accordance with the outcome of an
authentication exchange between the Supplicant and the
authentication server.
No, None: The specified port is required to be held in the
Authorized state.
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