OpenVPN for OpenWRT from the Ubuntu Server Guide by OnWorks

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You may want to set the Windows service to "automatic". 1.7.4. OpenVPN for OpenWRT

OpenWRT is described as a Linux distribution for embedded devices like WLAN router. There are certain types of WLAN routers who can be flashed to run OpenWRT. Depending on the available memory on your OpenWRT router you can run software like OpenVPN and you could for example build a small inexpensive branch office router with VPN connectivity to the central office. More info on OpenVPN on OpenWRT is here3. And here is the OpenWRT project's homepage: http://openwrt.org

Log into your OpenWRT router and install OpenVPN:

opkg update

opkg install openvpn

Check out /etc/config/openvpn and put your client config in there. Copy certificates and keys to /etc/openvpn/

config openvpn client1

option enable 1

option client 1

# option dev tap option dev tun option proto udp

option ca /etc/openvpn/ca.crt option cert /etc/openvpn/client.crt option key /etc/openvpn/client.key option comp_lzo 1

Restart OpenVPN on OpenWRT router to pick up the config

You will have to see if you need to adjust your router's routing and firewall rules.