[Linux-cluster] Multicast IP Address used in RHEL5 Cluster

[Siman Hew]

Hi all,

In RHEL 5 cluster, by default, it uses multicast
method.  Just wonder what range I should specify in
cluster.conf, 239.192.000.000-239.251.255.255?
What is default one?  How cluster choose it if I do
not specify? 
Looks like it is kind of random number chose when a
cluster is started.
Any information please?

Thanks a lot. 


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