An ECS can have up to 12 NICs, including one primary NIC that cannot be deleted. To delete a non-primary NIC, perform the following operations:
The page providing details about the ECS is displayed.
You are not allowed to delete the primary ECS NIC. By default, the primary ECS NIC is the first NIC displayed in the NIC list.
Certain ECSs do not support NIC deletion when they are running. For details about these ECSs, see the GUI display. To delete a NIC from such an ECS, stop the ECS.