COA and Clarification of the ISE

Can someone clarify exactly what COA (change permission) is?

From my understanding, ISE can make an initial authentication and using the configured authorization policy but it is not considered COSTS.

If subsequently a posture or profiling check is performed for this authenticated, authorized session and a new policy applies to this existing session then this would be considered in COST.

This is why COA is feasible with advanced license because of the posture and profiling.

Thank you very much.

Graham

Hello

CoA is a feature that allows two-way communication in the radius Protocol. Before the scenario you had when the clients connect to the network, the n intiates a radius authentication session, and then you have received either an accept or reject.

With this agreement, after you receive reject it or accept. You can now put an end to an existing session, authenticate a user if their session information change and correspond to a different access policy (must as in the example if a customer makes inconsistent to consistent).

CoA, which is not entirely used for the advanced features of license. There are a few scenarios where cost can be committed, for example, if an administrator removes any end point of the database of the ISE. ISE will then interview the internal session cache to see if there is an active session and then will issue a certificate of authenticity.

Thank you

Tarik Admani
* Please note the useful messages *.

Tags: Cisco Security

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