Dynamic authorization by RADIUS CoA (Change of Authorization)

Dynamic authorization provides the capability to modify current RADIUS sessions. A modification is initiated when the CoA client sends a CoA message to the NAS. This message contains the identifying characteristics for the session to be modified, the attributes to be modified, and their new values.

Another option is to disconnect the current session. This is done with a disconnect message (DM) sent to the NAS, whereupon the NAS terminates the connection.

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