I don't use ddWRT anymore but OpenWRT has nftables I use to block all but some IPs for select devices.
I don't even put my TV on the network though.
Maybe one of these:
https://linuxgizmos.com/?s=10gbe
I don't use ddWRT anymore but OpenWRT has nftables I use to block all but some IPs for select devices.
I don't even put my TV on the network though.