ACS to ISE Migration - Required Appliances

[sdfads]

Hi ISE team

We have a case of an ACS deployment based on 3 SNS-3415 (Primary, Secondary, Logging) with approximately 5000 NADs.

What would be the recommended number of appliances for this scenario if they want to migrate to ISE and upgrade the appliances, considering they use this platform for both RADIUS and TACACS+.

For TACACS+, we will use the following information taken from the ACS to ISE Planning Guide (scripted device admin):

Thank you for your help.

Regards,

Annya

[ldanny · Accepted solution]

See document on ISE Performance and Scale ISE Performance & Scale

You can also view chyps' Cisco Live sessions for

Designing ISE for Scale & High Availability - BRKSEC-3699 where he talks about the things to consider.