Navigate to Firewall -> Rules -> LAN.Click AddLeave everything default except changing the source to your device’s static IP and the Gateway to WAN_DHCP (or whatever it’s called). (If you have more than one, create an Alias first in Firewall -> Aliases -> View, click Add. Type host, add however many lines for however many streaming devices you have, click save, and use that Alias as the source.)Click Save.