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DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide
342
Multicast Filter Mode Commands
37-1 multicast filtering-mode
This command is used to configure multicast packets filtering mode for VLANs. To restore the default configuration, use
no form of this command.
multicast filtering-mode {forward-all | forward-unregistered | filter-unregistered}
no multicast filtering-mode
Parameters
37-2 show multicast filtering-mode
This command is used to display multicast information for VLANs.
show multicast filtering-mode [vlan <VLAN-ID>]
Parameters
forward-all Specifies to flood all multicast packets based on the VLAN domain.
forward-unregistered Specifies to forward the registered multicast packets based on the forwarding table,
and flood all un-registered multicast packets based on the VLAN domain.
filter-unregistered Specifies to forward the registered packets based on the forwarding table, and filter
all un-registered multicast packets.
Default
The default selection is forward-unregistered.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 8
Usage Guideline
When a multicast packet arrives, the switch will look up forwarding table for this
packet. If the lookup failed, the destination group is an unregistered group.
A forwarding entry lookup failed multicast packet is called unregistered packet, which
will be forwarded according to the multicast filter mode setting on the VLAN, which
might be VLAN flooding or dropping.
To verify your configuration, use the command show multicast filtering-mode.
Example
This example shows how to configure the filter mode for VLAN 1 to filter-
unregistered mode.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)#vlan 1
DXS-3600-32S(config-vlan)#multicast filtering-mode filter-unregistered
DXS-3600-32S(config-vlan)#
Example
This example shows how to set the filter mode for VLAN 2 back to default.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)#vlan 1
DXS-3600-32S(config-vlan)#no multicast filtering-mode
DXS-3600-32S(config-vlan)#
VLAN-ID Specifies the VLAN ID to be displayed.
Default
None.
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