In a previous post, I discussed why you should isolate connected devices with VLAN. Smart TVs ideally should be in the Device VLAN, too, instead of your “secure” VLAN. But putting them on a separate VLAN breaks an important TV use case for cord cutters: AirPlay....
After setup DHCP servers in the network you may discover problem with a slow response from DHCP server. This is very common problem when the network use a segmentation. Usually each of VLAN required own DHCP server. To correct this problem you should...