RaspberryPI 4B with Openwrt

Reference

https://github.com/immortalwrt/immortalwrt

https://github.com/SuLingGG/OpenWrt-Rpi

First let’s get started:

• Download the openWRT image for My 4B model

  immortalwrt-bcm27xx-bcm2711-rpi-4-ext4-factory.img.gz

• Then burn the image to SD card with below Tool

  https://www.balena.io/etcher/

• Boot up the device and connect PI with your PC(wire or PI Wi-Fi (OpenWrt))

• Login the PI managed IP with default http://192.168.1.1 and default passwd password

• Then let’s configure our device :

  

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After above settings disconnect wire connect with your PC, You should be able to connect to your WIFi OpenWrt with password just set.

As Main router

You just have to change WAN Interface protocol to PPPoE then connect your PI with network user Account and password.

AS Second router

You just set all the things just like me above, then connect PI WAN Interfacewith main router LAN Interface,Then PI will get an DHCP IP address from Main router , just like mine 192.168.0.107

Then enjoy the high speed Internet. Above just the basically settings for your guys. If you want to explore more, I will shoot you some examples below and Have Fun.