1. ISE Architecture Monitoring (MnT) Inline Posture Node (IPN) Policy Service (PSN) Administration (PAN)

2. PSN ISE Architecture Scalability IPN MnTPAN PSN IPN PANMnT PSN IPN Infinite 40 5 5 Active Standby Active Standby DualORSingle

3. ISE Architecture Scalability Max Endpoints 2000 PSN 5 Max Endpoints 50000 (10000/3395) PSN 40 Max Endpoints 100000

4. ISE Architecture Node Interaction PAN PSN MnT Ext ID Source Active Directory Client Cat Switch NAD Eg Catalyst Switch Resource802.1x No 802.1x Radius

5. IPN PSN MnT PAN