DSL-2740E User Manual
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Follow the steps to manipulate a mapping group.
Step 1 Select a group from the table.
Step 2 Select interfaces from the available WAN and LAN interface groups and
add it to the interface group list using the arrow buttons to manipulate the
required mapping of the ports.
Step 3 Click Apply button to save the changes.
Note:
The selected interfaces will be removed from their existing groups and
added to the new group.
3.3.11.2 IGMP Proxy
IGMP allows support for efficient multicasting -- transmission of identical content,
such as multimedia, from a source to a number of recipients. IGMP proxy enables
the system to issue IGMP host messages on behalf of hosts that the system
discovered through standard IGMP interfaces. The system acts as a proxy for its
hosts when you enable it.
Choose Advanced > Network Tools > IGMP Proxy. The IGMP Proxy
Configuration page shown in the following figure appears.
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