Command Manual – Multicast Protocol
Quidway S8500 Series Routing Switches Chapter 4 IGMP Configuration Commands
Huawei Technologies Proprietary
4-5
Example
# Enable IGMP on Vlan-interface 10.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway]interface vlan-interface 10
[Quidway-Vlan-interface10] igmp enable
4.1.5 igmp fast-leave
Syntax
igmp fast-leave [ vlan { vlan-id [ to vlan-id ] } &<1-10> ]
undo igmp fast-leave [ vlan { vlan-id [ to vlan-id ] } &<1-10> ]
View
Ethernet port view, system view
Parameter
vlan-id: Specifies the VLAN you want to configure the IGMP Snooping fast leave
feature on. The value range is from 1 to 4094.
Description
Use the igmp fast-leave command to enable IGMP fast leave on ports or VLANs.
Use the undo igmp fast-leave command to disable IGMP fast leave.
An IGMP-enabled Layer 3 switch does not query packets of the specific multicast group
to a fast leave-enabled port any longer when the port receives an IGMP leave packet.
Instead, the switch peels off the port from the multicast group immediately.
You can optionally specify multiple vlan keywords for the igmp fast-leave command,
through which you can enable IGMP fast leave in corresponding VLANs. If you do not
specify the vlan keyword, IGMP fast leave is enabled in all VLANs. As mentioned
earlier, the igmp fast-leave command can be executed in both system view and
Ethernet port view. When you execute the command in system view, fast leave is
enabled on all ports of the specified VLANs, otherwise, it is only enabled on the current
port in the specified VLANs.
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