4-168 Motorola RF Switch System Reference Guide
2. Select the IGMP Snoop Config tab
The IGMP Snoop Config tab displays the following information:
4.11.2 IGMP Snoop Querier Configuration
Use the IGMP Snoop Querier Config tab to view and configure IGMP Snoop Querier Configuration.
The IGMP Snoop Querier is used to keep host memberships alive. It is primarily used in a network where
there is a Multicast Streaming Server and hosts that subscribe to the Multicast server and there is no IGMP
Querier present. The switch can perform the role of an IGMP Querier. An IGMP Querier sends out periodic
IGMP Query packets. Interested hosts reply with IGMP Report packet. IGMP Snooping is only done on
wireless portals. IGMP Multicast packets are flooded on wired ports.
Snoop Enable Select to enable IGMP Snooping on the switch. If disabled, snooping on a per VLAN
basis is also disabled.
Unknown Multicast
Forward
Select to enable the switch to forward Multicast packets from unregistered
Multicast Groups. If disabled, Unknown Multicast Forward on a per VLAN basis is
also disabled.
Apply Click to Apply changes made to the running configuration.
Revert Revert back to previous state from the running configuration.
Vlan Index The VLAN index on which IGMP Snooping is enabled.
Snoop Enable The status of IGMP Snooping. Disabled for the selected VLAN if the screen displays
a red cross mark.
Unknown Multicast
Forward
The status of forwarding IGMP Multicast packets from unregistered Multicast
Groups. Disabled for selected VLAN if the screen displays a red cross mark.
Learning Mode Indicates how the switch learns IGMP Snooping information. Can be one of
pimDvmrp or static.
Multicast Router Ports Lists the ports used for Multicast Routing. Can be one of the available ge ports.
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