DBA_HIST_CLUSTER_INTERCON displays information about the devices used by the instance to access the interconnect (that is, communicate with other instances).
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| SNAP_ID | NUMBER | NOT NULL | Unique snapshot ID | 
| DBID | NUMBER | NOT NULL | Database ID for the snapshot | 
| INSTANCE_NUMBER | NUMBER | NOT NULL | Instance number for the snapshot | 
| NAME | VARCHAR2(15) | NOT NULL | Operating system name of the device | 
| IP_ADDRESS | VARCHAR2(16) | IP address of the device | |
| IS_PUBLIC | VARCHAR2(3) | Indicates whether the device is a public interface ( YES) or a private interface (NO)Public interfaces can be listened to by outside applications, which may be a security problem. Oracle recommends using private interfaces for interconnect. | |
| SOURCE | VARCHAR2(31) | Describes the type of device |