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Public Space Parameters
Data Volume Information Transmission (bytes sent/received)
The AP’s RADIUS client implementation allows a hotspot operator to accurately track the exact number of bytes sent
and received by a subscriber based on:
•
User Name
•
IP address (Framed IP)
•
MAC address of the user (Calling Station ID)
As shown in the
Sample RADIUS Transmissions
, the byte counts are sent in the Accounting “Alive” and Accounting
“Stop” messages. As mentioned previously, Accounting “Stop” messages can be generated by:
•
An explicit customer logout (via ICC or by typing
http://1.1.1.1/
)
•
Session time-out
•
Idle time-out
•
Deleting the user from the AP’s
Current Subscribers Table
.
The message will indicate the type of action that initiated the Accounting “Stop”. To ensure accuracy, the AP
temporarily saves the Accounting information per user in case of a device reboot.
RADIUS Messages and RADIUS Attributes
The AP-2500’s RADIUS functionality can be broken down into the following categories:
•
Authentication-Request
•
Authentication-Reply (Accept)
•
Accounting-Request
Authentication-Request Attributes
•
Username
— Included if enabled.
•
Password
•
Service-Type
•
NAS-Port (communication port number)
•
NAS-Identifier
— Included if enabled
on AP.
•
Framed-IP
— The subscriber’s IP address.
— Included if enabled on AP.
•
Called-Station-Id
— The AP’s MAC address.
•
Calling-Station-Id
— The subscriber’s MAC address.
•
NAS-IP
— The AP’s IP address
•
NAS-Port-Type
— Included if enabled on AP.
•
Acct-Session-ID
— The Acct-Session-ID is created when the RADIUS authentication request is built. It is transmitted in both
the Authentication-Request and the Accounting-Request.
•
EAP-Packet
— Used for 802.1x authentication.
•
Message-Authenticator
— Used for 802.1x authentication.
•
State
— Used for challenge/response authentication for 802.1x authentication.
