Dell POWEREDGE M1000E - Manual (Page 729)

Configuring L2 Multicast Features 729
Global Querier Configuration
Use the Global Querier Configuration page to configure IGMP snooping
querier settings, such as the IP address to use as the source in periodic IGMP
queries when no source address has been configured on the VLAN.
To display the Global Querier Configuration page, click Switching →
Multicast Support → IGMP Snooping → Global Querier Configuration in
the navigation menu.
Figure 25-9. Global Querier Configuration