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VSG-1200 User’s Guide
Chapter 6 Authentication 73
6.1.5.2 Vendor Specific Attribute
With RADIUS server authentication, you can define vendor specific attributes (VSAs) in
addition to the set of standard RADIUS attributes defined in RFC 2865 and RFC 2866. A VSA
is an attribute-value pair that is sent between a RADIUS server and the VSG. It is necessary
you define the VSAs on the RADIUS sever if you want the VSG to perform the following:
• Limit Download bandwidth per subscriber
• Limit Upload bandwidth per subscriber
• Limit Total traffic bandwidth allowed per subscriber
• Specify advertising web site per subscriber
• Enable/disable SMTP redirect
6.2 Authentication Settings
To configure the subscriber authentication method, click System Setting and Authentication
to display the screen as shown next.
Note: Before you can make use of these functions on the VSG, configure the
proprietary VSAs on the RADIUS server. Refer to the documentation that
comes with your RADIUS server for more information.
See Appendix D, “Vendor Specific Attributes,” on page 239 for more
information on the VSAs.