NEC Univerge SV9100 Installation Manual page 107

Now select the 'This computer is being used as a cluster server' option. Once you have selected to
be a cluster server, select all the PBX's in the configuration and reporter boxes. In the Statistics box,
ONLY select the PBX's that are directly connected to the cluster server. DO NOT select statistics for
any of the node cluster clients PBX's.
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