Configure IGMP snooping on the AR router

With IGMP snooping configured, the Layer 2 multicast device listens to and analyzes IGMP packets exchanged between multicast users and the upstream router, and creates Layer 2 multicast forwarding entries accordingly. Multicast data packets are then forwarded based on the Layer 2 multicast forwarding entries. This prevents the multicast data from being broadcast on the Layer 2 network.
On an AR router, enable IGMP snooping in VLAN 10. The configuration is as follows:
[HUAWEI] igmp-snooping enable //Enable IGMP snooping globally.
[HUAWEI] vlan 10 command.
[HUAWEI-vlan10] igmp-snooping enable //Enable IGMP snooping in VLAN 10.

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