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3. Configure the link type of the router port in the multicast VLAN as Tagged otherwise all the
member ports in the multicast VLAN cannot receive multicast streams.
4. After a multicast VLAN is created, all the IGMP packets will be processed only within the
multicast VLAN.
Configuration procedure:
Step Operation Description
1 Enable IGMP snooping
function
Required. Enable IGMP snooping globally on the switch and
for the port on Multicast→IGMP Snooping→Snooping
Config and Port Config page.
2 Create a 802.1Q VLAN Required. Create a multicast VLAN and add all the member
ports and router ports to the VLAN on the VLAN→802.1Q
VLAN→VLAN Config page.
Configure the link type of the
router ports as Tagged.
3 Configure parameters for
multicast VLAN
Optional. Enable and configure a multicast VLAN on the
Multicast→IGMP Snooping→Multicast VLAN page.
It is recommended to keep the default time parameters.
4 Look over the configuration If it is successf
ully configured, the VLAN ID of the multicast
VLAN will be displayed in the IGMP Snooping Status table
on the Multicast→IGMP Snooping→
page.
Application Example for Multicast VLAN:
Network Requirements
Multicast source sends multicast streams via the router, and the streams are transmitted to user A
and user B through the switch.
Router: Its WAN port is connected to the multicast source; its LAN port is connected to the switch.
The multicast packets are transmitted in VLAN3.
Switch: Port 3 is connected to the router and the packets are transmitted in VLAN3; port 4 is
connected to user A and the packets are transmitted in VLAN4; port 5 is connected to user B and
the packets are transmitted in VLAN5.
User A: Connected to Port 4 of the switch.
User B: Connected to port 5 of the switch.
Configure a multicast VLAN, and user A and B receive multicast streams through the multicast
VLAN.
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