User's Manual Part 1

7
to these 2.4G and 5G interface. Visitors can access HSI/IPTV service just like home
network by Wi-Fi, but they are forbidden to access I-241W-U management interface.
UPnP IGD and DLNA service are not supported for Wi-Fi guest network.
3.4 Multicast service
IGMP snooping is supported for home network interface and IGMP proxy is
supported in WAN IPTV interface. I-241W-U does not support multicast service on
guest network interface.