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When an instance is created, a default Ethernet interface is attached to the system. This is the primary network interface You can create additional network interfaces and attach them to an instance.

Adding a New Network Interface to an Instance

The following steps are required to create a new network interface and to add it to an instance:

Step	Details
Open the list of compute instances and select your instance.	Click on Compute > Instances. Click on the instance name to open the instance details screen.
*Select Attached VNICs* in the Resources section on the left.**	The screen shows the already attached VNICs. Image Modified Click on Create VNIC to continue. This will open the VNIC creation window.
Add the necessary data to configure the VNIC.	In this window, add for example the name of the VNIC, the virtual cloud network and the subnet to which the VNIC is connected (can be created via Compute > Networking > Virtual Cloud Networks), the private IP address of the VNIC (within the CIDR block of the virtual cloud network), whether a public IP address should be assigned to the VNIC. Image Modified Once you added all the desired information, click on Create VNIC.
Verify that the new interface has been attached to the instance.	The instance details section should now show the newly attached VNIC. Example: