To highlight routers for a multicast group or mask


1	Perform To open the multicast topology view to open the multicast topology view.
2	Right-click on the map and choose Highlight Routers for a Multicast Group / Mask from the contextual menu. The Highlight Routers for a Multicast Group / Mask form opens.
3	Click on the Select button next to the Multicast Group Prefix parameter. The Select Multicast Group form opens.
4	Specify a filter for the search, if required, and click on the Search button.
5	Choose an entry and click on the OK button. The Select Multicast Group form closes.
6	Configure the parameters: Mask Protocol
7	Click on the OK button. The Highlight Routers for a Mulitcast Group / Mask form closes and the multicast routers with the selected protocol for the selected multicast group prefix are highlighted on the map.
8	Click on the Legend button at the top of the topology map and choose Highlight Sessions from the contextual menu. The Legend - Multicast Topology form opens with the Highlight Sessions tab displayed. See To manage active highlights on a topology map for information about how to manage active highlights on a topology map.
9	Close the multicast topology view.
10	Close the Multicast Manager form. End of steps

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