Nortel Networks 4050 User Manual

184 Chapter 4 Configuring the domain

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cause of termination

Configure the RADIUS server in accordance with the recommendations in 
RFC 2866. 

Certain Nortel SNAS 4050-specific attributes are sent to the RADIUS server 
when you enable accounting (see 

). In conjunction with custom plugins on 

RADIUS, these attributes can be used for more detailed monitoring of Nortel 
SNAS 4050 activity.

When you add an external RADIUS accounting server to the configuration, the 
server is automatically assigned an index number. Nortel SNAS 4050 accounting 
will be performed by an available server with the lowest index number. You can 
control accounting server usage by reassigning index numbers (see 

).

The RADIUS accounting server uses Vendor-Id and Vendor-Type attributes in 
combination to identify the source of the accounting information. The attributes 
are sent to the RADIUS accounting server together with the accounting 
information for the logged in user. 

You can assign vendor-specific codes to the Vendor-Id and Vendor-Type 
attributes for the Nortel SNAS 4050 domain. In this way, the RADIUS accounting 
server can provide separate accounting information for each Nortel SNAS 4050 
domain.

Each vendor has a specific dictionary. The Vendor-Id specified for an attribute 
identifies the dictionary the RADIUS server will use to retrieve the attribute 
value. The Vendor-Type indicates the index number of the required entry in the 
dictionary file.

http://www.iana.org/assignments/enterprise-numbers

).

RFC 2866 describes usage of the Vendor-Type attribute.