Follow these steps:
1. Click on New Graph button.
2. As soon as the new graph is added, the initial table will be created automatically initially depicting the directly connected nodes.
3. Continue clicking the Update button until all tables are updated.
4. For adding an extra edge specify the source and destination along with the weight to connect the two nodes and click the Submit button.
5. After the new edges have been added, once again click the Update button.
6. For sending the data packet, provide the source node and destination node in the space provided and click the Send Message button.
7. The best path will be chosen and displayed using red lines.