I need to replace my router because it is unreliable after power failure. I have an Omada Controller OC200 for my wireless network so I am looking at ER605 as the WAN interface.

I currently use 2 DNS services, on direct with the ISP and the other with OpenDNS to manage access restrictions for certain devices. Some of the restricted and unrestricted devices need to be able to connect to each other. Some of the devices in either category need static IP addresses.

At the moment, all devices are on the same subnet. I use address reservations to put devices into particular ranges then use DNSmasq to define the DNS for each address range.

On the ER605, I can see how to create interface VLANs with assigned DHCP address ranges and manually defined DNS. I could then reserve addresses for specific clients (hopefully reliably with the latest firmware) so they end up on the right VLAN and hence DNS server but the VLANs need to be on different subnets or I get a "address range in use" error.

Basically, my question is: could the ER605 DHCP server distribute different DNS server addresses to different clients dependent on which IP address range they are in?

Thanks