simple_bridge

How to use

Write as follows and execute with sudo

require_relative "lib/simple_bridge"

br = SimpleBridge::Bridge.new("eth0", "eth1")
br.run

What you can do

Forwarding packets between two network interfaces

What you can not do

MAC address learning

Referenced implementation

https://gist.github.com/k-sone/8036832
https://gist.github.com/boxofrad/4511ba4357401a0ea7a04e4d394b9609#file-bind_socket-rb

Related Links

https://kure.hatenablog.jp/entry/2020/12/20/004325