hi alli have small scenario for applying Multicast using IPV6 between three routers. R4, R2 and R1the question as follwingEnsure PIM sparse mode (PIM-SM) on the LAN between R4-F0/1 and R2-Gi0/1, and on the WAN between R2-S0/0/0 and R1-S0/0/0, using t...