ISP Modem+Router -> Switch -> Switch -> OpenWrt Router - Network and Wireless Configuration - OpenWrt Forum
![routing - Cisco router on a stick with public ip wan (ISP)gateway - Network Engineering Stack Exchange routing - Cisco router on a stick with public ip wan (ISP)gateway - Network Engineering Stack Exchange](https://i.stack.imgur.com/npp7X.png)
routing - Cisco router on a stick with public ip wan (ISP)gateway - Network Engineering Stack Exchange
![Router -> ISP router/modem -> internet configuration options - Network and Wireless Configuration - OpenWrt Forum Router -> ISP router/modem -> internet configuration options - Network and Wireless Configuration - OpenWrt Forum](https://forum.openwrt.org/uploads/default/original/2X/2/20264a2212f2923a6755cd71c574a9687370a7a3.png)
Router -> ISP router/modem -> internet configuration options - Network and Wireless Configuration - OpenWrt Forum
![routing - connecting two routers, each connected to a different ISP - Network Engineering Stack Exchange routing - connecting two routers, each connected to a different ISP - Network Engineering Stack Exchange](https://i.stack.imgur.com/aJ7p2.png)