Choose Tools→Route Analysis→MPLS Topology→IGP_Administrative_Domain from the NFM-P main menu.

The MPLS topology map appears showing the network objects.

Right-click on the map area and choose Highlight IGP Links from the MPLS topology view contextual menu. The Select IGP Filter form opens.

Specify a filter to search for IGP links and click on the OK button. The IGP links are highlighted on the topology map.

To remove the IGP link highlights, right-click on the map area and choose Clear:Highlight IGP Links from the contextual menu.

Close the MPLS topology map.

End of steps