If you did not set a management interface during initial configuration, use the following procedures to configure a network interface card (NIC) port as a management interface. A management interface is a network interface with administrative access.
The physical ports correspond to the interfaces, from which you can select to make a management interface. All standalone controllers should have at least one NIC port configured as a management interface. All cluster installations should have at least one NIC port on each controller configured as a management interface. In addition, the NIC instance number must be unique on each clustered controller.
For clustered controllers, it is recommended that you lock the management interfaces.
To configure management interfaces and lock cluster management interfaces, use the following procedures: