Futurewei Futurewei Casa Systems Huawei Huawei Verizon Verizon China Mobile China Telecom Fujitsu Volta Networks This document describes an efficient solution for multicast along an explicit P2MP Path/Tree using an IPv6 extension header called multicast routing header (MRH). The MRH with the path encoded in link numbers is added into a packet to be multicast at the ingress. The packet is delivered to the egresses along the path. There is no state stored in the core of the network.