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Performing Advanced Configuration
RADIUS Accounting
Using an external RADIUS server, the AP can track and record the length of client sessions on the access point by
sending RADIUS accounting messages per RFC2866. When a wireless client is successfully authenticated, RADIUS
accounting is initiated by sending an “Accounting Start” request to the RADIUS server. When the wireless client
session ends, an “Accounting Stop” request is sent to the RADIUS server.
Session Length
Accounting sessions continue when a client reauthenticates to the same AP. Sessions are terminated when:
• A client disassociates.
• A client does not transmit any data to the AP for a fixed amount of time.
• A client is detected on a different interface.
If the client roams from one AP to another, one session is terminated and a new session is begun.
NOTE
This feature requires RADIUS authentication using MAC Access Control or 802.1x. Wireless clients
configured in the Access Point’s static MAC Access Control list are not tracked.