Igmp Snooping Configuration; Enabling Igmp Snooping - H3C S7500 Series Operation Manual

Operation Manual – Multicast
H3C S7500 Series Ethernet Switches
Caution:
An IGMP Snooping-enabled S7500 Ethernet switch judges whether the multicast group
exists when it receives an IGMP leave message sent by a host in a multicast group. If
this multicast group does not exist, the switch will drop the IGMP leave message
instead of forwarding it.

3.2 IGMP Snooping Configuration

Complete the following tasks to configure IGMP Snooping:

Enabling IGMP Snooping

Configuring Timers
Enabling IGMP Fast Leave
Configuring IGMP Snooping Filtering ACLs
Configuring to Limit the Number of Multicast Groups on a Port
Configuring Suppression on IGMP Report Messages
Configuring Multicast VLAN
3.2.1 Enabling IGMP Snooping
You can use the command here to enable IGMP Snooping so that it can establish and
maintain forwarding tables for MAC multicast groups at layer 2.
Follow these steps to enable IGMP Snooping:
Enter system view
Enable IGMP Snooping
globally
Enter VLAN view
Enable IGMP Snooping
in the VLAN
To do... Use the command...
system-view
igmp-snooping enable
vlan vlan-id
igmp-snooping enable
Chapter 3 IGMP Snooping Configuration
Task
3-6
Remarks
Required
Optional
Optional
Optional
Optional
Optional
Optional
Remarks
—
Required
By default, IGMP Snooping is
disabled globally.
—
Required
By default, IGMP Snooping is
disabled in the VLAN.