Creates an instance of a frame link entity, which is associated with
    a physical line and controls the framing protocol used on that line.
    There is one frame link entity for each physical line.  The link-id
    is a simplename that identifies this frame link instance.

    create  [node node-id] frame link link-id -
          protocol protocol-type [,control mode mode]

    The Protocol argument is required.  It determines the framing
    protocol used over the link.  Possible protocol-type values are:
    bisync, hdlc, chips, sdlc, ddcmp, swift, and genbyte.

    The Control Mode argument is optional.

1  –  control_mode

    The optional Control Mode argument specifies the mode in which
    the link operates.  This argument determines the value of the
    control mode characteristic.  The default is point-to-point.
    Possible mode values are:  multipoint master, multipoint
    tributary, and point-to-point.

2  –  Exception Messages

 o  parent is disabled

    The frame entity was disabled when you issued this create
    command. Enable the frame entity and then reissue this command.