You can perform this task using either the CLI or the GUI. For the GUI procedure, refer to Delete vNICs in Oracle Fabric Manager 5.0.2 Administration Guide. This procedure is for the CLI.
Using the –noconfirm option causes the removal process to complete without prompting you for confirmation. The argument automatically answers yes to any prompts.
[OFOS] remove vnic vinc1.server1 -noconfirm
[OFOS] show vnic