That really does just work out of the box, LAN some private subnet, WAN some private IP sitting on a different private subnet with gateway to an upstream router. Maybe you did something weird, like specifying a gateway on LAN? That breaks it, because actually LAN has no gateway, it …
Private WAN IP and Private LAN IP | Netgate Forum That really does just work out of the box, LAN some private subnet, WAN some private IP sitting on a different private subnet with gateway to an upstream router. Maybe you did something weird, like specifying a gateway on LAN? That breaks it, because actually LAN has no gateway, it … Your Router's Two IP Addresses - Ask Leo! Aug 15, 2018 Can You Get A Users Local LAN IP Address Via JavaScript
networking - Best practice for assigning private IP ranges
Jun 05, 2018
Jul 21, 2015 · Use Case. In this use case, an organization has two mail servers with private IP addresses on the optional network of a Firebox. The organization needs to make sure that these two servers can exchange email with servers outside the local network, even though they have private IP addresses.
Used for link-local addresses between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server. 172.16.0.0/12. 172.16.0.0–172.31.255.255. 1 048 576. Private network. Used for local communications within a private network. 192.0.0.0/24.