1、解决二层组播解析
2、实验拓扑
3、基础配置
IOU1配置
ip multicast-routing
interface Ethernet0/0
ip address 192.168.1.1 255.255.255.0
ip pim sparse-mode
IOU3配置
interface Ethernet0/0
ip address 192.168.1.3 255.255.255.0
ip igmp join-group 224.1.1.1
IOU4配置
interface Ethernet0/0
ip address 192.168.1.4 255.255.255.0
IOU5配置
interface Ethernet0/0
ip address 192.168.1.5 255.255.255.0
4、IGMP Snooping配置
5、CGMP配置
交换机全局配置模式开启CGMP:cgmp
路由器直连交换机接口开启CGMP:ip cgmp