RADIUS - Operations

Here is the detail of RADIUS Operations. Before Cpent starts communicating with RADIUS Server, it is required that shared secret must be shared between Cpent and Server and Cpent must be configured to use RADIUS server to get service.

Once Cpent is configured properly then :

Cpent starts with Access-Request.

Server sends either Access-Accept, Access-Reject or Access-Challenge.

Access-Accept keeps all required attribute to provide a service to user.

RADIUS Codes (decimal) are assigned as follows:

1 Access-Request

2 Access-Accept

3 Access-Reject

4 Accounting-Request

5 Accounting-Response

11 Access-Challenge

12 Status-Server (experimental)

13 Status-Cpent (experimental)

255 Reserved

No Keep Apve concept - Good or Bad ??

Codes 4 and 5 are related to RADIUS Accounting Functionapty. Codes 12 and 13 are reserved for possible use, but are not further mentioned here.