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A customer is planning a large campus deployment with 50,000 concurrent endpoints. Which persona should be dedicated to handle the authentication load to ensure high performance?
Policy Service Nodes (PSNs) are the workhorses of an ISE deployment — they handle all authentication, authorization, and accounting (AAA) requests from network devices via RADIUS. For 50,000 concurrent endpoints, the deployment must scale PSNs horizontally (typically in a dedicat…Read full explanation
When configuring a load balancer for a group of PSNs, what is the best practice for handling RADIUS traffic?
RADIUS is a UDP-based protocol where the NAS and PSN maintain session state across the Access-Request/Access-Challenge/Access-Accept exchange. If a load balancer distributes successive packets from the same client to different PSNs, the challenge/response state is lost and authen…Read full explanation
You are configuring a new ISE node for your deployment. What is the correct sequence to join a secondary node to the existing deployment?
In Cisco ISE, the Primary PAN is the authoritative node that maintains the deployment database and controls node registration. To add a secondary node, you log into the Primary PAN, navigate to Administration > System > Deployment, and use the 'Register an ISE node' action to ini…Read full explanation
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