Oracle Database Appliance has a fixed network configuration on Oracle Database Appliance X7-2 and earlier. The public network ports are from the onboard network card. All network bonding setup are configured during imaging.
On Oracle Database Appliance X8-2 and later, the network set up is not fixed. The public network ports are from PCI network card. Each PCI slot can be installed with either two ports 25G or four ports 10G network cards. Additional network cards can be added into the system after the system deployment.
Public network: Public bonding interfaces are created during imaging of the system.
Private network: For Oracle Database Appliance high-availability systems, there is a private network card for the interconnection between two nodes. This network card can be Ethernet ports or InfiniBand ports on Oracle Database Appliance X6-2 and X5-2. A bonding interface is created over the two ports for communcation between the two nodes. When the node number for the system is confirmed, the private IP address for the node is assigned automatically.
For DB system support on the Oracle Database Appliance system, create a network bridge on the public network so that it can be shared by multiple KVM systems. During the deployment of the system, a network bridge (pubnet) is created on the selected public network interface. You can use the pubnet to connect to the appliance.