Command Manual – Multicast Protocol
Quidway S8500 Series Routing Switches Chapter 1 IGMP Snooping Configuration Commands
Huawei Technologies Proprietary
1-6
[Quidway-vlan10] igmp-snooping enable
1.1.6 igmp-snooping fast-leave
Syntax
igmp-snooping fast-leave [ vlan { vlan-id [ to vlan-id ] }&<1-10> ]
undo igmp-snooping fast-leave [ vlan { vlan-id [ to vlan-id ] } &<1-10> ]
View
System view, Ethernet port view
Parameter
vlan { vlan-id [ to vlan-id ] }&<1-10>: Specifies any VLAN or VLAN scope for port you
want to enable/disable the IGMP Snooping fast leave feature on. The vlan-id argument
ranges from 1 to 4094.
Description
Use the igmp-snooping fast-leave command to enable IGMP Snooping fast leave on
ports or VLANs.
Use the undo igmp-snooping fast-leave command to disable IGMP Snooping fast
leave.
An IGMP Snooping-enabled Layer 2 switch directly removes a fast leave–enabled port
from the list of member ports of the multicast group when the port receives a leave
packet. That is, the switch peels off the port from the multicast group immediately and
does not forward multicast data to the port any longer.
You can optionally specify multiple vlan keywords for the igmp-snooping fast-leave
command, through which you can enable IGMP Snooping fast leave in corresponding
VLANs. If you do not specify the vlan keyword, IGMP Snooping fast leave is enabled in
all VLANs. As mentioned earlier, the igmp-snooping 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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