You start at the VLSM view, which is the main view.

Blue tip views appear in order to guide you. Orange tip views appear in order to indicate that a value in the text field doesn't fall within the required range.

You can edit values in text fields with black borders. You cannot edit values in text fields with blue borders.

You start at the VLSM view, which is the main view.

Blue tip views appear in order to guide you. Orange tip views appear in order to indicate that a value in the text field doesn't fall within the required range.

You can edit values in text fields with black borders. You cannot edit values in text fields with blue borders.