User`s guide

Configure peer-to-peer Clustering
Chapter 15 Port Clustering 231
Invite Peers
To invite peers, enter their IP addresses and click the Invite button. Each
unit will be invited to join the peer-to-peer group of the current unit (or a
group will be established if there is no current group. If the remote host is
not already part of a group and its password matches that of the requesting
peer, it will join the local peer-to-peer group. All existing units in the same
peer-to-peer group will receive information about the invited hosts.