ProSafe M4100 and M7100 Managed Switches

respond. With the built-in IGMP querier feature inside the switch, such an external device is no longer needed.

Figure 26. IGMP querier

Since the IGMP querier is designed to work with IGMP snooping, it is necessary to enable IGMP snooping when using it. The following figure shows a network application for video streaming service using the IGMP querier feature.

Enable IGMP Querier

The example is shown as CLI commands and as a Web interface procedure.

CLI: Enable IGMP Querier

Use the following CLI commands to set up the switch to generate an IGMP querier packet for a designated VLAN. The IGMP packet will be transmitted to every port on the VLAN. The following example enables the querier for VLAN 1 and uses 10.10.10.1 as the source IP

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NETGEAR M4100, M7100 manual CLI Enable Igmp Querier