D-Link Wireless AC1200 User Manual page 60

Section 3 - Configuration
Note: If you statically (manually) assign IP addresses to your computers
or devices, make sure the IP addresses are outside of this range or you
may have an IP conflict.
DHCP Lease
Enter the length of time for the IP address lease in minutes.
Time:
Always Enable this feature to broadcast your networks DHCP server to LAN/
Broadcast:
WLAN clients.
WAN Port
You may set the port speed of the Internet port to 10 Mbps, 100
Speed: Mbps, 1000 Mbps, or Auto (recommended).
UPnP: Enable or disable Universal Plug and Play (UPnP). UPnP provides
compatibility with networking equipment, software and peripherals.
IPv4 Multicast
Enable to allow IPv4 multicast traffic to pass through the router from
Streams: the Internet.
IPv6 Multicast Enable to allow IPv6 multicast traffic to pass through the router from
Streams:
the Internet.
Click Save when you are done.
D-Link DIR-850L User Manual 55