> My questions are:
> 1. Since Jboss clustering use IP multicast to
> discover the other Jboss machines, in my scenario,
> does Jboss try to setup clusters by itself?
> 2. If Question #1 is yes, what I need to do to
> disable clustering with specific machines? I don't
> want to totally disable it because I need to use
> cluster for some machines within the subnet.
remove cluster-service.xml from deploy. You may want to look at the cluster docs if you need to configure several clusters.