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configured multicast MAC address. If matches, the switch CPU
modifies the hardware address table to include this receiver port and
VLAN as a forwarding destination of the MVLAN
Leave Operation
Subscriber sends an IGMP leave message to the switch to leave the
multicast. The switch CPU sends an IGMP group-specific query
through the receiver port VLAN. If there is another subscriber in the
VLAN, subscriber must respond within the max response time. If
there is no subscriber, the switch eliminates this receiver port.
Immediate Leave Operation
Subscriber sends an IGMP leave message to the switch to leave the
multicast. Subscribers do not need to wait the switch CPU to send an
IGMP group-specific query through the receiver port VLAN. The
switch will immediately eliminate this receiver port.
Scenario of MVR
In the following section, we will provide an example to illustrate how to
configure MVR. In this scenario, the main job of media server is to transmit the
media stream via port 10 to ES-4024A and the multicast traffic flowing into the
ES-4024A will be tagged with PVID=100. In the ES-3124, we enable the MVR
function to allocate the multicast traffic from ES-4024A to separate VLAN
hosts.
Figure 3 illustration of MVR
All contents copyright (c) 2006 ZyXEL Communications Corporation.
ES-4024A Series Switch Support Notes
58
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