IBM Tivoli and Cisco - Manual (Page 291)

Chapter 7. Network enforcement subsystem implementation 273
5. Click Authentication. Click the tab Populate from Global and ensure that
Posture Validation - Required
is set.
Selected Databases
should contain
ACS
Internal Database
(Figure 7-52).
Figure 7-52 Authentication configuration for RAC
6. Click Submit. This will take you back to the screen in Figure 7-51 on
page 272, where you will need to click Apply and Restart.
7. Click Posture Validation from the screen in Figure 7-51 on page 272.