http://e-docs.bea.com/wls/docs81/admin_ref/index.html
For all your weblogic 8.1 command-line needs. If you thought BEA’s site design was bad, try finding anything now Oracle has taken over! :-))
VALIDATECLUSTERCONFIG
Parses the domain’s configuration file and reports any errors in the configuration of cluster-related elements.
You can run this command only on a WebLogic Server host that can access the domain’s configuration file through the host’s file system.
Syntax
java [ SSL Arguments ] weblogic.Admin
[-url URL]
[ User Credentials [...]
Don’t forget to add classpath (-cp switch)!
$ java utils.MulticastTest -n name -a address [-p portnumber]
[-t timeout] [-s send] [-l timetolive]
Argument
Definition
-n name
Required. A name that identifies the sender of the sequenced messages. Use a different name for each test process you start.
-a address
The multicast address on which: (a) the sequenced messages should be [...]
BEA docs on creating a domain in Weblogic 8.1
http://edocs.bea.com/wls/docs81/adminguide/createdomain.html