From the Device Manager menu bar, choose Edit > Port > DVMRP.
The Port dialog box opens with the DVMRP tab displayed.
Click the Enable check box to select DVMRP on the port, or click to clear the check box.
Enter a metric (cost) in maximum number of hops for DVMRP; the range is 1 to 31. A default value of 1 means local delivery only. You can use the metric value to control the scope of the DVMRP routes.