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Forum Discussion
SunriseMan
Aug 30, 2020Guide
How to get Orbi to pass through DNS information in DHCP?
I have an Orbi RBR50 running Firmware Version V2.5.1.16. I'm using its DHCP feature. The problem is that no matter what settings I try in the configuration, it always hands out client leases with the...
FURRYe38
Aug 31, 2020Guru - Experienced User
Orbi DHCP server isn't broke in regards to handing out it's router IP address for all clients DNS. Thats just how NG designs there routers to work. NG seems to have had this design for a long time standing up to this point on there router products.
If you want the ability to disable DNS proxy, the one Mfr that has this option feature is D-Link. There routers allow for disabling of DNS proxy on there router. It's call DNS Relay for them. Something you could try and find a used D-Link router and set one up as your main host router and test it out. Can connect the Orbi in AP mode behind the router as well.
SunriseMan wrote:
Mstrbig wrote:The router's DNS server is an internal server. The Orbi uses the ISP or user provided 3rd party DNS servers, such as Google, Level 3, Open DNS, etc.. DNS over HTTPS server implementations are already available free of charge by some public DNS providers.
That wasn't my question.
A DHCP server gives DNS addresses to devices. Orbi's DHCP server is broken and always gives the router's address as the DNS address. So my Windows computer thinks that the DNS address is 192.168.1.1, rather than the address I configured.
I use a service that supports DoH. But Windows (again, for now I'm talking about the Insider versions, but this will soon be true for release versions as well) detects that by just trying to do a DoH request. And that will always fail, because the Orbi doesn't support DoH.
I'm not expecting the Orbi to support DoH. But its DHCP server should be able to correctly pass along the correct DNS servers rather than incorrectly giving its own address.
OrbiPhilip
Jun 30, 2021Luminary
FURRYe38 wrote:Orbi DHCP server isn't broke in regards to handing out it's router IP address for all clients DNS. Thats just how NG designs there routers to work. NG seems to have had this design for a long time standing up to this point on there router products.
Broken by design, and broken by design for a long time, are still broken.
The DHCP spec calls for the IP addresses specified in DHCP to be passed to the client. Orbi does not do that. i.e. it is "broken".
FURRYe38 wrote:
Well thats your opintion of course.
It is also the opinion of the IEFT who drafted the DHCP spec, and the vast majority of professional network engineers.
FURRYe38 wrote:
Orbi is mostly simplistic towards the average home user. Same with D-Link. More advanced users may want to get into something with more advanced features for those needs.
This statement is ridiculous.
DHCP was designed explicitly for ease of use. DNS is a core function of DHCP. Specifiying a DNS address is part of DHCP.
In stark contrast, VPN, reserved IP addresses, channel freequency assignment, et.a. are all features for advanced users. And they are present in Orbi.
DNS config in Orbi is fundamentally broken. Stop justifying bad design/code.