![linux - Configure router/gateway on Ubuntu issue: unable to reach hosts behind ISPs gateway (network map provided) - Server Fault linux - Configure router/gateway on Ubuntu issue: unable to reach hosts behind ISPs gateway (network map provided) - Server Fault](https://i.stack.imgur.com/h2HYi.png)
linux - Configure router/gateway on Ubuntu issue: unable to reach hosts behind ISPs gateway (network map provided) - Server Fault
![Amazon.com: FriendlyElec Nanopi R5S Mini Router OpenWRT with Three Gbps Ethernet Ports LPDDR4X 4GB RAM Based in RK3568 Soc for IOT NAS Smart Home Gateway Support Linux Ubuntu (with CNC Metal Case) : Amazon.com: FriendlyElec Nanopi R5S Mini Router OpenWRT with Three Gbps Ethernet Ports LPDDR4X 4GB RAM Based in RK3568 Soc for IOT NAS Smart Home Gateway Support Linux Ubuntu (with CNC Metal Case) :](https://m.media-amazon.com/images/I/717jjtI6KfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: FriendlyElec Nanopi R5S Mini Router OpenWRT with Three Gbps Ethernet Ports LPDDR4X 4GB RAM Based in RK3568 Soc for IOT NAS Smart Home Gateway Support Linux Ubuntu (with CNC Metal Case) :
![How to make a simple router\gateway from Ubuntu Server 18.04 LTS | by Vladislav I. Kulbatski | Medium How to make a simple router\gateway from Ubuntu Server 18.04 LTS | by Vladislav I. Kulbatski | Medium](https://miro.medium.com/v2/resize:fit:944/0*7cA7dJ8Tk5l9tYav.png)