Loading Routing Constraints

Routing Constraint Manager lets you load constraints from the specified library:cell:view. To load constraints:

Open a design in Layout MXL.
Choose Window – Assistants – Routing.
Alternatively, right-click anywhere on the layout window menu bar and choose Assistants – Routing.
The Routing assistant is displayed.
Click Routing Constraint Manager on the Routing assistant toolbar.
Click Load Constraints on the Routing Constraint Manager toolbar.
The Load Constraints form is displayed.
Choose a library:cell:view from the Library, Cell, and Layout View fields, respectively.
Select the import mode. You can either select Replace or Append.
Click OK.

The constraints from the selected library_cell_view are loaded to the Routing Constraint Manager.