igmp-snooping drop-unknown
Use igmp-snooping drop-unknown to enable dropping unknown multicast data for a VLAN.
Use undo igmp-snooping drop-unknown to disable dropping unknown multicast data for a VLAN.
Syntax
igmp-snooping drop-unknown
undo igmp-snooping drop-unknown
Default
Dropping unknown multicast data in a VLAN is disabled and unknown multicast data is flooded in the
VLAN.
Views
VLAN view
Predefined user roles
network-admin
Usage guidelines
You must enable IGMP snooping for a VLAN before you configure this command for the VLAN.
The configuration made in VLAN view is only effective on the current VLAN.
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
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