how many Deployment method in CIsco ISE

 Mostly we are using Three types of Deployment method used -

•  ISE Small Deployment
• ISE Medium Deployment
• ISE Large Deployment

ISE Small Deployment -

• (2) nodes in the same DC

• All nodes run all personas.

• All nodes run all services.

• Designed for a small LAN or a low-latency WAN.

• General recommendation is no more than 300ms round-trip latency between 

nodes.

• Small Network Split Deployment

• Same as above, but the two nodes are in different Data Centers

ISE Medium Deployment --

• Requires anywhere from 3 to 8 Nodes.

• Node 1: Primary Administration and Secondary Monitor.

• Node 2: Primary Monitor and Secondary Administration

• Node 3 – 5: Dedicated PSN

ISE Large Deployment --

• (x) Nodes

• Node 1: Dedicated Administration

• Node 2: Secondary Administration

• Node 3: Primary Monitoring

• Node 4: Secondary Monitoring

• Node 5+: Dedicated PSNs.

• May include separate load balancers or node groups.

• PSN placement is typically determined by volume in any given 

geographical region