You can configure a virtual router as a candidate RP (C-RP) when you want to map RPs dynamically to multicast groups. You can create one C-RP for each zone.
Enter the necessary information:
Zone: The zone in which the C-RP is configured.
Interface: Select the interface that is advertised as the C-RP
Access List: Select the access list that defines the multicast groups of the C-RP
Priority: The advertised C-RP priority
Hold Time: Specify the holdtime that is advertised to the bootstrap router.
Click OK to save the configuration.