R0106-HP MSR Router Series IP Multicast Command Reference(V7)

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Syntax
igmp-snooping drop-unknown
undo igmp-snooping drop-unknown
Default
Dropping unknown multicast data in a VLAN is disabled. Unknown multicast data is flooded in the
VLAN.
Views
VLAN view
Predefined user roles
network-admin
Usage guidelines
The command is supported on the following hardware:
MSR routers installed with the Layer 2 switching module SIC 4GSW, SIC 4GSWP, HMIM 24GSW,
HMIM 24GSW-POE, or HMIM 8GSW.
You must enable IGMP snooping for a VLAN before you execute this command for the VLAN.
The configuration made in VLAN view is only effective on the current VLAN and takes preference over the
global configuration.
Examples
# Enable IGMP snooping and the function of dropping unknown multicast data for VLAN 2.
<Sysname> system-view
[Sysname] igmp-snooping
[Sysname-igmp-snooping] quit
[Sysname] vlan 2
[Sysname-vlan2] igmp-snooping enable
[Sysname-vlan2] igmp-snooping drop-unknown
Related commands
igmp-snooping enable
igmp-snooping enable
Use igmp-snooping enable to enable IGMP snooping for a VLAN.
Use undo igmp-snooping enable to disable IGMP snooping for a VLAN.
Syntax
igmp-snooping enable
undo igmp-snooping enable
Default
IGMP snooping is disabled in a VLAN.
Views
VLAN view