5.配置单播路由协议-OSPF [AR1]ospf 1 [AR1-ospf-1]area 0 [AR1-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255 [AR1-ospf-1-area-0.0.0.0]network 10.1.2.0 0.0.0.255 6. 使能组播路由功能,在接口上使能PIM-DM功能,在主机侧接口上使能IGMP功能 [AR1]multicast routing-enable [AR1-GigabitEthernet0/0/0]igmp enable [AR1-GigabitEthernet0/0/0]pim dm [AR1-GigabitEthernet0/0/1]pim dm 7. 验证配置