Command Manual – Multicast
H3C S7500E Series Ethernet Switches
Chapter 1 IGMP Snooping Configuration Commands
1-8
View
VLAN view
Parameters
None
Description
Use the
igmp-snooping drop-unknown
command to enable the function of dropping
unknown multicast data in the current VLAN.
Use the
undo igmp-snooping drop-unknown
command to disable the function of
dropping unknown multicast data in the current VLAN.
By default, this function is disabled, that is, unknown multicast data is flooded.
This command takes effect only if IGMP Snooping is enabled in the VLAN.
Related commands:
drop-unknown
.
Examples
# In VLAN 2, enable the function of dropping unknown multicast data.
<Sysname> system-view
[Sysname] vlan 2
[Sysname-vlan2] igmp-snooping drop-unknown
1.1.9 igmp-snooping enable
Syntax
igmp-snooping enable
undo igmp-snooping enable
View
VLAN view
Parameters
None
Description
Use the
igmp-snooping enable
command to enable IGMP Snooping in the current
VLAN.
Use the
undo igmp-snooping
enable
command to disable IGMP Snooping in the
current VLAN.
By default, IGMP Snooping is disabled in a VLAN.