From the Device Manager menu bar, choose Edit > Port.
The Port dialog box opens with the Interface tab displayed.
Click the DVMRP tab.
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.