d.Enable IGMP snooping globally
∙Select Enable and click Apply to globally enable IGMP snooping.
# In VLAN 100, enable IGMP snooping and the function of dropping unknown multicast data.
∙Click the 
icon corresponding to VLAN 100 to enter its configuration page and perform the following configurations, as shown in e.
e.Configure IGMP snooping in the VLAN
∙Select the Enable radio button for IGMP snooping and 2 for Version.
∙Select the Enable radio button for Drop Unknown.
∙Select the Disable radio button for Querier.
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