Yes, you can test and generate UDP/TCP traffic using a wide range of IP Multicast tools, but this process involves in having knowledge more than an average user. Because it's a little complicated, I recommend browsing Google's results regarding this matter. Use the available PDF files to get a better overview about this operation. The NetIQ Chariot application benefits from a well established Help database. Press F1 while in the application and then use the available resources to get the necessary information.
