D-Link DGS-1250 Series Reference Manual page 146

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
The fields that can be configured are described below:
Parameter
Group IPv6 Address
Source IPv6 Address
Click the Find button to locate a specific entry based on the information entered.
Click the Show All button to display all the entries.
Description
Enter the multicast group IPv6 address here.
Enter the source IPv6 address here.
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