Operation Manual – Multicast
H3C S3100 Series Ethernet Switches Chapter 2 IGMP Snooping Configuration
2-5
Caution:
After an Ethernet switch enables IGMP Snooping, when it receives the IGMP leave
message sent by a host in a multicast group, it judges whether the multicast group
exists automatically. If the multicast group does not exist, the switch drops this IGMP
leave message.
2.2 IGMP Snooping Configuration
The following table lists all the IGMP Snooping configuration tasks:
Table 2-2 IGMP Snooping configuration tasks
Operation Remarks
Enabling IGMP Snooping Required
Configuring the Version of IGMP Snooping Optional
Configuring Timers Optional
Configuring Fast Leave Processing Optional
Configuring a Multicast Group Filter Optional
Configuring the Maximum Number of Multicast Groups on a Port Optional
Configuring IGMP Snooping Querier Optional
Configuring Static Member Port for a Multicast Group Optional
Configuring a Static Router Port Optional
Configuring a Port as a Simulated Group Member Optional
Configuring a VLAN Tag for Query Messages Optional
Configuring Multicast VLAN Optional
2.2.1 Enabling IGMP Snooping
Table 2-3 Enable IGMP Snooping
Operation Command Remarks
Enter system view system-view
—
Enable IGMP Snooping
globally
igmp-snooping enable
Required
By default, IGMP
Snooping is disabled
globally.
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