— Exhibit — Click the Exhibit button. Referring to the exhibit, the RPT from R3 towards R2 is
established. What happens if the multicast source connected to R1 starts sending multicast
traffic towards R1?

A.
R1 forwards the multicast packets on the (S,G) tree towards the RP.

B.
R1 tunnels the multicast packets in PIM register messages towards the RP.

C.
R1 encapsulates the multicast packets into PIM join unicast messages.

D.
R1 encapsulates the multicast packets into a PIM register multicast packet.