ZyXEL ES-315 User Guide - Page 79

General MVR Configuration

Page 79 highlights

Chapter 13 Multicast When the subscriber selects a television channel, computer A sends an IGMP report to the Switch to join the appropriate multicast group. If the IGMP report matches one of the configured MVR multicast group addresses on the Switch, an entry is created in the forwarding table on the Switch. This maps the subscriber VLAN to the list of forwarding destinations for the specified multicast traffic. When the subscriber changes the channel or turns off the computer, an IGMP leave message is sent to the Switch to leave the multicast group. The Switch sends a query to VLAN 1 on the receiver port (in this case, a DSL port on the Switch). If there is another subscriber device connected to this port in the same subscriber VLAN, the receiving port will still be on the list of forwarding destination for the multicast traffic. Otherwise, the Switch removes the receiver port from the forwarding table. Figure 35 MVR Multicast Television Example 13.6 General MVR Configuration Use the MVR screen to create multicast VLANs and select the receiver port(s) and a source port for each multicast VLAN. Click Advanced Applications > Multicast > Multicast Setting > MVR to display the screen as shown next. " You can create one multicast VLAN and up to 256 multicast rules on the Switch. " Your Switch automatically creates a static VLAN (with the same VID) when you create a multicast VLAN in this screen. ES-315/ES-315-F User's Guide 79

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Chapter 13 Multicast
ES-315/ES-315-F User’s Guide
79
When the subscriber selects a television channel, computer
A
sends an IGMP report to the
Switch to join the appropriate multicast group. If the IGMP report matches one of the
configured MVR multicast group addresses on the Switch, an entry is created in the
forwarding table on the Switch. This maps the subscriber VLAN to the list of forwarding
destinations for the specified multicast traffic.
When the subscriber changes the channel or turns off the computer, an IGMP leave message is
sent to the Switch
to leave the multicast group. The Switch sends a query to VLAN 1 on the
receiver port (in this case, a DSL port on the Switch). If there is another subscriber device
connected to this port in the same subscriber VLAN, the receiving port will still be on the list
of forwarding destination for the multicast traffic. Otherwise, the Switch removes the receiver
port from the forwarding table.
Figure 35
MVR Multicast Television Example
13.6
General MVR Configuration
Use the
MVR
screen to create multicast VLANs and select the receiver port(s) and a source
port for each multicast VLAN. Click
Advanced Applications
>
Multicast
>
Multicast
Setting >
MVR
to display the screen as shown next.
You can create one multicast VLAN and up to 256 multicast rules on the
Switch.
Your Switch automatically creates a static VLAN (with the same VID) when you
create a multicast VLAN in this screen.