igmp-snooping drop-unknown

Use igmp-snooping drop-unknown to enable dropping unknown multicast data packets for a VLAN or VSI.

Use undo igmp-snooping drop-unknown to disable dropping unknown multicast data packets for a VLAN or VSI.

Syntax

igmp-snooping drop-unknown

undo igmp-snooping drop-unknown

Default

Dropping unknown multicast data packets is disabled. Unknown multicast data packets are flooded.

Views

VLAN view

VSI view

Predefined user roles

network-admin

Usage guidelines

You must enable IGMP snooping for a VLAN or VSI before you execute this command.

Examples

# In VLAN 2, enable IGMP snooping, and enable dropping unknown multicast data packets.

<Sysname> system-view
[Sysname] igmp-snooping
[Sysname-igmp-snooping] quit
[Sysname] vlan 2
[Sysname-vlan2] igmp-snooping enable
[Sysname-vlan2] igmp-snooping drop-unknown

# In VSI aaa, enable IGMP snooping, and enable dropping unknown multicast data packets.

<Sysname> system-view
[Sysname] igmp-snooping
[Sysname-igmp-snooping] quit
[Sysname] vsi aaa
[Sysname-vsi-aaa] igmp-snooping enable
[Sysname-vsi-aaa] igmp-snooping drop-unknown

Related commands

enable (IGMP-snooping view)

igmp-snooping enable