IPv6 is not supported.
Remote Shared Memory (RSM) transport types are mentioned in the documentation, but are not supported. If you use the RSMAPI, specify dlpi as the transport type.
The SBus Scalable Coherent Interface (SCI) is not supported as a cluster interconnect. However, the PCI-SCI interface is supported.
Logical network interfaces are reserved for use by Sun Cluster software.
Client applications that run on cluster nodes should not map to logical IP addresses of an HA data service. During failover, these logical IP addresses might go away, leaving the client without a connection.