R2511-HP MSR Router Series IP Multicast Command Reference(V5)

143
Views
VLAN view
Default command level
2: System level
Usage guidelines
IGMP snooping must be enabled globally before it can be enabled in a VLAN.
Examples
# Enable IGMP snooping in VLAN 2.
<Sysname> system-view
[Sysname] igmp-snooping
[Sysname-igmp-snooping] quit
[Sysname] vlan 2
[Sysname-vlan2] igmp-snooping enable
Related commands
igmp-snooping
igmp-snooping fast-leave
Use igmp-snooping fast-leave to enable fast-leave processing on a port. With this function enabled,
when the IGMP snooping-enabled router receives an IGMP leave message on the port, it directly
removes that port from the multicast forwarding entry of the specific group.
Use undo igmp-snooping fast-leave to disable fast-leave processing.
Syntax
igmp-snooping fast-leave [ vlan vlan-list ]
undo igmp-snooping fast-leave [ vlan vlan-list ]
Default
Fast-leave processing is disabled.
Views
Layer 2 Ethernet interface view, Layer 2 aggregate interface view, port group view
Default command level
2: System level
Parameters
vlan vlan-list: Specifies one or multiple VLANs. You can provide up to 10 VLAN lists. For each list, you
can specify an individual VLAN in the form of vlan-id, or a VLAN range in the form of start-vlan-id to
end-vlan-id, where the end VLAN ID must be greater than the start VLAN ID. The value range of a VLAN
ID is 1 to 4094.
Usage guidelines
This command also takes effect on VLANs with IGMP enabled on their VLAN interfaces.
If you do not specify any VLAN when using this command in Layer 2 Ethernet interface view or Layer 2
aggregate interface view, the command takes effect on all VLANs that the interface belongs to. If you