Request / Issue is same as you can find in ER605 post.

Hi - as a small business user on ER707-M2 does it support feature of a local DNS server ? Have not found how/where to enable this on ER707M2 as managed by OC200 via Omada Was under impression that wou

Please add a local DNS server, like dnsmasq, to the ER605. It's a bug for a business router that's running DHCP to not be able to resolve local host names.