Advanced Lan - D-Link DSL-2520U User Manual

Section 3 - Configuration

ADVANCED LAN

These options are for users that wish to change the LAN settings. D-Link does not recommend changing these settings from factory default.
Changing these settings may affect the behavior of your network.
UPNP
Please select the Enable UPnP when you want to have Universal
Plug and Play (UPnP) supports peer-to-peer Plug and Play
functionality for network devices.
MULTICAST STREAMS
Please select the IGMP-V1 or IGMP-V2 to let IGMP stream can
pass through DSL-2520U.
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