When configuring the
Caching realm, select your UNIX security realm from the pull-down
menu for the Basic Realm attribute on the
General page. The Basic Realm attribute
defines the association between the Caching realm and the alternate
security realm (in this case, the UNIX security realm).
In the left
pane, select your domain (for example, mydomain).
Compatibility Security > File
Caching Realm field, choose the name of the Caching realm to be used
with the UNIX security realm. A list of configured Caching realms
appears on the pull-down menu.