D-Link DES-3528 Product Manual - Page 108

xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide 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 shown below: Figure 4-42 IGMP Snooping Settings window The fields that can be configured are described below: Parameter Description IGMP Snooping State Click the radio buttons to enable or disable the IGMP Snooping state. Max Learning Entry Value Enter the maximum learning entry value. (1-1024) Click the Apply button to accept the changes made for each individual section. Click the Edit button to configure the IGMP Snooping Parameters Settings. Click the Modify Router Port link to configure the IGMP Snooping Router Port Settings. After clicking the Edit button, the following page will appear: Figure 4-43 IGMP Snooping Parameters Settings window 99