组播穿越MPLS ×××+SSM

拓扑： R1配置： ip multicast-routing interface Loopback0 ip address 1.1.1.1 255.255.255.0 ip pim sparse-dense-mode ! interface FastEthernet0/1 ip address 12.1.1.1 255.255.255.0 ip pim sparse-dense-mode dupl

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