Choose Tools→Route Analysis→Topology_type→IGP_Administrative_Domain from the NFM-P main menu. The topology map opens.

Select a maximum of 20 references on the topology map.

Note: Subnets and bi-directional links must each be calculated individually when selecting multiple references for removal.

Right-click on the topology map and choose Cleanup Selected References.

Note: Changes made to the IGP administrative domain will be reflected on Multicast and MPLS topologies.

End of steps