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| 1  | Choose Manage→Service→Services from the NFM-P main menu. The Manage Services form opens. 
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| 2  | Choose a VPRN and click Properties. The VPRN Service (Edit) form opens. 
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| 3  | On the service navigation tree, expand Sites→Routing Instance→Routing Instance→Routing Instance→Protocols→IGMP instance. 
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| 4  | Configure the required parameters. 
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| 5  | Right-click on the IGMP instance and choose Create IGMP Group Interface. The IGMP Group Interface, Routing Instance (Create) form opens. 
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| 6  | To assign a VPRN group interface to the IGMP group interface: 
Click Select in the Interface panel and choose a VPRN group interface. 
Configure the required parameters. 
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| 7  | Click on the Behavior tab and configure the required parameters. 
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| 8  | To configure multicast CAC, click on the Multicast CAC tab, select a multicast CAC policy and configure the required parameters.  
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| 9  | Save the changes and close the forms. End of steps |