When configured as WAN the DNS server will be configured in this file automatically.
admin@mtcdt:/var/run$ cat /var/run/wan_resolv.conf
domain mts.test
nameserver 172.16.0.20
When configured as WAN the DNS server will be configured in this file automatically.
admin@mtcdt:/var/run$ cat /var/run/wan_resolv.conf
domain mts.test
nameserver 172.16.0.20