Chapter 13. IGMP Snooping and Querier | 251
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