Configuring The Version Of Igmp Snooping - H3C S5120-SI Series Operation Manual

To do...
Enter system view
Enable IGMP snooping globally and
enter IGMP-Snooping view
Return to system view
Enter VLAN view
Enable IGMP snooping in the VLAN
IGMP snooping must be enabled globally before it can be enabled in a VLAN.
When you enable IGMP snooping in a specified VLAN, this function takes effect for the ports in this
VLAN only.

Configuring the Version of IGMP Snooping

By configuring an IGMP snooping version, you actually configure the version of IGMP messages that
IGMP snooping can process.
IGMP snooping version 2 can process IGMPv1 and IGMPv2 messages, but not IGMPv3 messages,
which will be flooded in the VLAN.
IGMP snooping version 3 can process IGMPv1, IGMPv2 and IGMPv3 messages.
Follow these steps to configure the version of IGMP snooping:
To do...
Enter system view
Enter VLAN view
Configure the version of IGMP
snooping
If you switch IGMP snooping from version 3 to version 2, the system will clear all IGMP snooping
forwarding entries from dynamic joins, and will:
Keep forwarding entries for version 3 static (*, G) joins;
Clear forwarding entries from version 3 static (S, G) joins, which will be restored when IGMP
snooping is switched back to version 3.
For details about static joins, Refer to
Use the command...
system-view
igmp-snooping
quit
vlan vlan-id
igmp-snooping enable
Use the command...
system-view
vlan vlan-id
igmp-snooping version
version-number
Configuring Static Ports.
2-8
Remarks
—
Required
Disabled by default
—
—
Required
Disabled by default
Remarks
—
—
Optional
Version 2 by default