'opkg update' fails with custom DNS server set

[glinoob]

Related:

Trouble resolving DNS for my OpenVPN connections

I confirm this issue is present on other devices which are running 3.013 firmware. See this post for more information:

Resolv.conf.auto changing to 192.168.1.1?

What process changes /tmp/resolv.conf.auto ? It is setting the file to: # Interface wwan nameserver 192.168.1.1 DNS resolution on the local router fails when it gets set to this. Clients all work fine. I change the file to: nameserver 192.168.8.1 … and resolution works properly again from the router. But something changes it back every so often. I haven’t been able to pinpoint what it is yet… I’m running 3.10 on the AR300m

Override Operator DNS

Hey I got a cheap SIM to test my VPN configuration before taking my GL-E750 out in the wild. However, I’ve run into a problem connecting to my VPN server at home. The operator supplied DNS servers give me a really old IP address for my VPN server. I just want to override these but configuring Custom DNS Servers only applies to the E750’s DHCP clients and not the E750 itself. I need the E750 to use a DNS server that works so it can find my home IP to establish the VPN connection. Currently …