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6-10
Cisco Access Registrar 3.5 Concepts and Reference Guide
OL-2683-02
Chapter 6 Prepaid Billing Solution
Generic Call Flow
Vendor-Specific Attributes
Vendor-specific attributes are included in specific RADIUS packets to communicate prepaid user
balance information from the Cisco AR 3.5 server to the AAA client, and actual usage, either interim or
total, between the NAS and the Cisco AR 3.5 Server.
Table 6-10 lists the VSAs that will be defined in the API. Table 6-10 also lists the string to be used with
Cisco-AVPair below the VSA.
Note Notice that all VSAs start with CRB which stands for Cisco Radius Billing.
26, 9 CRB_DURATION Refer to Vendor-Specific Attributes, page
6-10
Conditional
26, 9 CRB_TOTAL_VOLUME
26, 9 CRB_UPLINK_VOLUME
26, 9 CRB_DOWNLINK_VOLUME
26, 9 CRB_TOTAL_PACKETS
26, 9 CRB_UPLINK_PACKETS
26, 9 CRB_DOWNLINK_PACKETS
26, 9 CRB_SESSION_ID Specifies the RADIUS attribute carrying
the session ID information
Optional
Table 6-9 Attributes Sent in Accounting-Stop Message (continued)
Attribute
Number Attribute Name Description Notes
Table 6-10 Vendor-Specific Attributes for the Cisco Prepaid Billing Solution
VSA Name Type
Source
(Call Flow) Description
CRB_AUTH_REASON
crb-auth-reason
Int8 1c, 7c, 7’c Passed with re-authorization:
1. Quota depleted
2. QOS changed
3. Initial Authentication
4. Initial Authorization
CRB_USER_ID
crb-user-id
String 1c, 7c, 7’c APPL: In PDSN this can be
Address of the PDSN.
CRB_SERVICE_ID
crb-service-id
String 1c, 7c Identifies the subscriber’s
service