User Guide

Configuring Switching
111
GS716Tv3, GS724Tv4, and GS748Tv5 Smart Switches
IGMP Snooping Configuration
Use the IGMP Snooping Configuration screen to configure the parameters for IGMP
snooping. These parameters are used to build forwarding lists for multicast traffic.
 To configure IGMP snooping:
1. Select Switching > Multicast > IGMP Snooping > IGMP Snooping Configuration.
2. Enable or disable IGMP snooping on the switch:
• Enable. The switch snoops all IGMP packets it receives to determine which segments
should receive packets directed to the group address.
• Disable. The switch does not snoop IGMP packets.
3. Select whether to validate the IGMP IP header.
• Enable. The switch checks the IP header of all IGMP messages for the Router Alert
option. If the option is not present, the packet is dropped.
• Disable. The IGMP IP header is not checked for Router Alert option.
4. Click the Apply button.
The following table displays information about the global IGMP snooping status and statistics
on the screen.
IGMP Snooping Interface Configuration
Use the IGMP Snooping Interface Configuration screen to configure IGMP snooping settings
on specific interfaces.
 To configure IGMP snooping interface settings:
1. Select Switching > Multicast > IGMP Snooping > IGMP Snooping Interface
Configuration.
2. Select the ports or LAGs to configure.
For information about how to select and configure one or more ports or LAGs, see
Configuring Interface Settings on page 28.
Table 32. IGMP snooping status and statistics
Field Description
Multicast Control Frame
Count
The number of multicast control frames that have been processed by
the CPU.
Interfaces Enabled for IGMP
Snooping
Lists the interfaces currently enabled for IGMP snooping. For
information about how to enable interfaces for IGMP snooping, see
IGMP Snooping Interface Configuration on page 111.
VLAN Ids Enabled For IGMP
Snooping
Displays VLAN IDs enabled for IGMP snooping. For information about
how to enable VLANs for IGMP snooping, see
IGMP Snooping VLAN
Configuration on page 113.
VLAN Ids Enabled For IGMP
Snooping Querier
Displays VLAN IDs enabled for IGMP snooping querier.