Dell PowerConnect 3348 User's Guide - Page 281
Defining IGMP Snooping Settings, Assigning Multicast Forward All Parameters
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To open the Multicast Support page: • Click Switch > Multicast Support in the Tree View. The Multicast Support page opens. Multicast Support Page The Multicast Support page includes links to the following topics: • Defining IGMP Snooping Settings • Adding Bridge Multicast Group Members • Assigning Multicast Forward All Parameters • Enabling IGMP Snooping Defining IGMP Snooping Settings Layer 2 switching forwards multicast packets to all relevant VLAN ports by default, treating the packet as a multicast packet. This type of traffic forwarding is functional; however, irrelevant ports also receive multicast traffic, causing increased network traffic. IGMP snooping eliminates unnecessary multicast traffic by examining IGMP frames while they are forwarded from stations to a multicast routers. Configuring Switch Infor mation 281