D-Link DGS-3620-28TC-SI Product Manual - Page 114

xStack® DGS-3620 Series Managed Switch Web UI Reference Guide Figure 4-52 IGMP Proxy Group window Click the Member Ports link to view the IGMP proxy member port information. After clicking the Member Ports option, the following window will appear. Figure 4-53 IGMP Proxy Group - Member Ports window IGMP Snooping Internet Group Management Protocol (IGMP) snooping allows the Switch to recognize IGMP queries and reports sent between network stations or devices and an IGMP host. When enabled for IGMP snooping, the Switch can open or close a port to a specific device based on IGMP messages passing through the Switch. IGMP Snooping Settings In order to use IGMP Snooping it must first be enabled for the entire Switch under IGMP Global Settings at the top of the window. You may then fine-tune the settings for each VLAN by clicking the corresponding Edit button. When enabled for IGMP snooping, the Switch can open or close a port to a specific multicast group member based on IGMP messages sent from the device to the IGMP host or vice versa. The Switch monitors IGMP messages and discontinues forwarding multicast packets when there are no longer hosts requesting that they continue. To view the following window, click L2 Features > L2 Multicast Control > IGMP Snooping > IGMP Snooping Settings, as show below: Figure 4-54 IGMP Snooping Settings window The fields that can be configured are described below: Parameter Description IGMP Snooping State Use the radio buttons to enable or disable the IGMP Snooping state. Click the Apply button to accept the changes made for each individual section. 104