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GroupAddress
The IP address of the multicast group. When combined with the group mask, it identifies the prefix that the local router uses to advertise itself as a C-RP.
GroupMask
The address mask of the multicast group. When combined with the group address, it identifies the prefix that the local router uses to advertise itself as a C-RP.
Address
The IP address of the C-RP. This address has to be one of the local PIM-SM enabled interfaces.
You can only configure one interface on a Passport 8600 switch for multiple groups, that is, you cannot configure multiple interfaces for multiple groups.
The GroupMask value allows you to configure a Candidate RP for several groups in one configuration. For example, a Candidate RP configuration with a GroupAddress value of 224.0.0.0 and a GroupMask of 240.0.0.0 allows you to configure the Candidate RP for a multicast range from 224.0.0.0 to 239.255.255.255.
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