To highlight the path for the default route from a source


1	Choose Tools→Route Analysis→Topology_type→IGP_Administrative_Domain from the NFM-P main menu. The appropriate IGP topology map opens.
2	Perform one of the following: Right-click on the map and choose Highlight→Paths→IP→SPF from the contextual menu. The Find Object form opens. Continue to Step 3 . Right-click on a router and choose Highlight SPF from the contextual menu. The Find Object form opens with the value of the First IP parameter populated. Go to Step 4 .
3	Configure the First IP parameter or use the Select button to select a router if the source IP address is a router.
4	Configure the Second IP parameter to a value of 0.0.0.0/0.
5	Click on the OK button. The Find Object form closes and the default route is highlighted on the topology map.
6	To remove the default route highlight, perform To manage active highlights on a topology map . End of steps

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