You can add/edit interfaces by running ifconfig command:
mo.cisco.com > ifconfig
Currently configured interfaces: 1. Management (x.x.x.x/26 on Management: mgmt.lab.cisco.com)
Choose the operation you want to perform: - NEW - Create a new interface. - EDIT - Modify an interface. - DELETE - Remove an interface. - DETAILS - Show details of an interface. []> new