Puli. How to use OpenVPN provided DNS?

Routers
1

Hello everyone, I'm very excited with my new Puli router. It is a huge improvement over my previous device. Just WOW. However I'm having a problem and could not find the solution anywhere.

I'm using Cellular/4G to connect to the internet. I've setup an OpenVPN to my home Server (I've used this VPN Server for years with different clients so it is working). I can reach my home network by IP addresses but the problem is the DNS is still using "DNS from Cellular" and I can't seem to change it. So I cannot reach my home network by DNS names defined in my home DNS server.

What I have tried so far:

Using the latest openwrt-xe300-4.0 firmware.

The docs tell me I should change the the Network, DNS setting to "Allow VPN tunnels to prefer their own DNS" however the setting is not there. Am I missing something? It only shows DNS Rebinding and Override DNS for all clients.

The OpenVPN Client Logs show that the correct DNS server is passed to the client. I can also find it in /tmp/resolv.conf.d/resolv.conf.ovpn and /tmp/dnsmasq.d/resolv.vpn is also passing to that file.

However the Network DNS settings say: DNS from Cellular

I can reach my home DNS correctly with "dig @10.0.0.100 some-hostname"

In some posts some people mention some scripts to use, but I thought I check in here first if I'm missing something obvious. If I need to install a script, which one should I install exactly?

Obviously I could set a custom DNS IP but then I would have to remove it every time I switch off the VPN which isn't the way it should work.

Any help very much appreciated!

Thanks!! Richard

2

Just for information I may have solved this myself. I kept trying and here is what happened.

First I added a "WiFi Repeater" so I had both Cellular and Repeater with the Repeater at the higher priority. When I went to the DNS settings, I was shocked to still see that it was using the Cellular DNS.

I gave up and set the manual DNS to my VPN DNS Server which obviously worked.

However the magic happened when I changed it back to Automatic. It no longer said it was using "Cellular DNS". I tried it this way and now the DNS seems to work.

I'm pretty sure there is a bug somewhere here but for now I'm crossing my fingers and hoping it stays working.

3

So you have to toggle the settings of DNS to make it work correctly? Then seems a problem.