Hi guys, Pls help me to explain a multicast problem: I have a topology like this: source(224.6.6.6)--R1---R2(RP)---R4---R5---R6---Receiver I use GNS3 lab, PIM-SM, R2 is RP. So I think between R2--R4--R5--R6 just see the shared tree, but when i show i...