Priority of netlist constraints

You can override the constraints entered using the netlist attributes by using import {source or auxiliary} commands or

The constraints which are entered using the netlist attributes will be treated as recommendations and user will have the ability to override the values either by using a constraint file imported at Designer level or by modifying the value of these attributes using the UI editor. Basically netlist constraints will have less priority than the user constraints entered using direct constraint files or the MVN operations.