You can use a host agent to monitor the DB host as well as instrumenting the app server that accesses the REDIS DB to get somee insight into the calls made to the DB. The only supported technologies that the database agent supports is the MySQL, DB2, Oracle, and SQL Server.
REDIS DB is on the different server and IIS web server is on diff server in our case. What all configurations do I need to do it from Dynatrace client and on IIS server and how? Can you please explain?
Your only option at this point (either than the plug in mentioned below) is to use a host monitoring agent: