Sorry if not using the correct project/component for the job. Move as appropriate.

Describe in a wiki page how one should configure mcast on different OSes to be able to use clustering. Mainly summarize information on https://bugzilla.redhat.com/show_bug.cgi?id=231899 but also include information for windows, solaris, hp-ux, AIX.
We seem to not have such complete document available.