The RADIUS CoA feature supports the IETF attribute 24 State, which is used to identify the session for which the CoA request is intended. The State attribute is sent by the device in the Access-Accept message and must be echoed back by the RADIUS server in the CoA-Request message. The other attributes are not supported for the RADIUS CoA feature.
To understand the concept of RADIUS CoA and the supported attributes, you can refer to the following sections of the source book:
Section 1.1.2: Describe the concepts of network security
Section 1.1.2.6: Describe the concepts of RADIUS CoA
Section 1.1.2.7: Describe the concepts of supported IETF attributes
[References:, Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, RADIUS Change of Authorization - Cisco, RADIUS attribute for change of authorization - Ruckus Networks, , ]
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