![图片[1]-第24章 IGMP Snooping配置-大赛人网](https://www.dsrw.com/wp-content/uploads/2023/03/图片21-10.png)
1.R1配置IGMPv2,默认运行的是Version2版本
[R1]multicast routing-enable
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]pim dm
[R1-GigabitEthernet0/0/0]igmp enable
[R1-GigabitEthernet0/0/0]igmp version 2
[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]pim dm
2.R2配置IGMPv2,默认运行的是Version2版本
[R2]multicast routing-enable
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]pim dm
[R2-GigabitEthernet0/0/0]igmp enable
[R2-GigabitEthernet0/0/0]igmp version 2
[R2]interface GigabitEthernet 0/0/1
[R2-GigabitEthernet0/0/1]pim dm
3.SW1配置VLAN
[SW1]vlan 10
[SW1]interface GigabitEthernet 0/0/1
[SW1-GigabitEthernet0/0/1]port link-type access
[SW1-GigabitEthernet0/0/1]port default vlan 10
[SW1]interface GigabitEthernet 0/0/2
[SW1-GigabitEthernet0/0/2]port link-type access
[SW1-GigabitEthernet0/0/2]port default vlan 10
[SW1]interface GigabitEthernet 0/0/3
[SW1-GigabitEthernet0/0/3]port link-type access
[SW1-GigabitEthernet0/0/3]port default vlan 10
[SW1]interface GigabitEthernet 0/0/4
[SW1-GigabitEthernet0/0/4]port link-type access
[SW1-GigabitEthernet0/0/4]port default vlan 10
4.SW1开启igmp snooping
[SW1]igmp-snooping enable
[SW1]vlan 10
[SW1-vlan10]igmp-snooping enable
//当Switch没有运行IGMP Snooping时,组播数据在二层被广播;当Switch运行了IGMP Snooping后,组播数据不会在二层广播,而是会被Switch发送给指定的接收者。
[SW1]display igmp-snooping router-port vlan 10
Port Name UpTime Expires Flags
VLAN 10, 1 router-port(s)
GE0/0/1 00:00:52 00:01:35 DYNAMIC
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