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I am using my raspberry pi as a openvpn cleint for my xbox 360 because at my college i get kicked off xbox live for either strict nat type or a connection limit. I can connect to the vpn just fine, i just need to know how to bridge the tap interface with the eth0 interface on the pi. Basically what i am doing is connecting the ethernet port from the pi to the xbox to share the vpn to the xbox. The pi is connecting to the internet via wifi through wlan0 although i may buy a usb ethernet nic at some point to make it more stable. This needs to be run automatically at boot from the pi so if theres a power failure it will reconnect by itself.
I used my laptop to share the vpns connection to my xbox and it works just fine so i know my theory works i just need a way to do it on the pi so i dont have to occupy my laptop with this job.
You could skip all this and use the network manager setting the case: share to other computers in the ethernet connection configuration, and checking "connect automatically to VPN..." when setting up the wifi connection. Set all 3 connections (Ethernet , Wifi and VPN) to available to all users so that they connect even before logging in – Mehdi – 2019-05-24T11:23:42.453