Dell PowerConnect 3424 User's Guide (.htm) - Page 325
Multicast Support, Switch, Global Parameters, Bridge Multicast Filtering, IGMP Snooping Status
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When IGMP Snooping is enabled globally, all IGMP packets are forwarded to the CPU. The CPU analyzes the incoming packets and determines: • Which ports want to join which Multicast groups. • Which ports have Multicast routers generating IGMP queries. • What routing protocols are forwarding packets and Multicast traffic. Ports requesting to join a specific Multicast group issue an IGMP report, specifying that Multicast group is accepting members. This results in the creation of the Multicast filtering database. To open the Multicast Support page, click Switch →Multicast Support in the tree view. The Global Parameters page contains fields for enabling IGMP Snooping on the device. To open the Global Parameters page, click Switch→Multicast Support→Global Parameters in the tree view. Figure 7-40. Global Parameters The Global Parameters page contains the following fields: Bridge Multicast Filtering - Enables or disables bridge Multicast filtering. Disabled is the default value. IGMP Snooping Status - Enables or disables IGMP Snooping on the device. Disabled is the default value. IGMP Snooping can be enabled only if Global Parameters is enabled. Configuring Switch Information 325
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