HP 7102dl - ProCurve Secure Router Configuration Manual page 992

Using the Web Browser Interface for Advanced Configuration Tasks
Setting Up Network Monitoring
16-78
Figure 16-61.Source Interface
8. Use the Source Interface pull-down menu to select the source interface
for the probe. If the router will send the probe through the Internet, the
address of the source interface should be an address that ISP routers
know how to reach.
9. Click the Next button. The Destination window displays.