Perform To open a scenario to open a simulation topology map.

Note: You can only create an SPF highlight request if the topology is converged. The grey operational mode indicator at the top-left of the topology map must be Topology converged. If the operational indicator is yellow, click on the Impact Analysis button. The Legend - SIMULATION - IGP Model - Scenario form opens with the Last Impact Results tab displayed. Click on the Close button.

Right-click on the map and choose Highlight→Paths→IP→SPF from the contextual menu. The Find Object form opens.

Configure the First IP parameter or use the Select button to select a router if the source IP address is a router.

Configure the Second IP parameter or use the Select button to select a router if the destination IP address is a router.

Note: Alternatively, you can press the Ctrl key and click on a source and destination router or link, right-click and choose Highlight IGP Links→Highlight SPF from the contextual menu. The First IP and Second IP parameters are configured with the IP address of the selected routers.

Click on the OK button. The Find Object form closes and the SPF is highlighted on the simulation topology map.

To remove the SPF highlight, click on the Legend button and choose Highlight Sessions from the contextual menu. The Legend - SIMULATION - IGP Model form opens with the Highlight Sessions tab displayed

Disable the checkboxes of the highlights you want to remove from the topology map. You can click on the Clear All button to disable all of the checkboxes.

Click on the Apply button. The selected highlights are removed from the topology map.

Click on the Close button. The Legend - SIMULATION - IGP Model form closes.

End of steps