Dell PowerConnect 7048P Manual page 726

Figure 25-16. MLD Snooping Table
2 Select the Edit checkbox for each Port, LAG, or VLAN to modify.
3 Edit the MLD Snooping fields as needed.
4 Click Apply.
The MLD Snooping settings are modified, and the device is updated.
Copying MLD Snooping Settings to Multiple Ports, LAGs, or VLANs
To copy MLD snooping settings:
726
Configuring L2 Multicast Features