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Appendix C: RADIUS
Accounting
This section will briefly introduce the basic configuration of RADIUS server to work with VSA for controlling the maximum client
volume usage (upload; download or upload + download traffic).
This VSA will be sent from the RADIUS server to the gateway along with an Access-Accept packet. In other words, when the
external RADIUS server accepts the request, it will reply not only an Access-Accept but also a maximum value in bytes each user is
allowed to transfer. This value can be the maximum upload traffic, the maximum download traffic, or the sum of the download and
upload traffics in bytes per user. The gateway will check this value every minute; if the user traffic reaches this value, the gateway
will stop the session of this user and send a "Stop" to RADIUS server.
Description
VSA is designed to allow vendors to support their own extended Attributes which are not covered in common attributes. It MUST
not affect the operation of the RADIUS protocol.
The Attribute Type of VSA is "26" and the "Vendor ID" should be determined before proceeding to RADIUS configuration; in this
example; the Vendor ID is "21920". "Attribute Number" and "Attribute Value" can then be designed to provide additional control
over RADIUS.
Attribute Name
HSG-Byte-Amount
HSG-MaxByteIn
HSG-MaxByteOut
HSG-Byte-Amount-4GB
HSG-MaxByteIn-4GB
HSG-MaxByteOut-4GB
www.netcommwireless.com
Attribute Number
To be defined by administrator for different
10
user groups
11
To be defined by administrator for different
user groups
12
To be defined by administrator for different
user groups
20
To be defined by administrator for different
user groups
To be defined by administrator for different
21
user groups
22
To be defined by administrator for different
user groups
Attribute Value
NetComm Wireless HS1200N Wireless N Hotspot
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