Set routes to bypass some network traffics through Network Interface instead of VPN

I frequently need to connect to Lab machines via VPN (Virtual Private Network), but have to visit specific sites and use some services with enough bandwidth.

Routing net traffics through VPN and net card

QNAP NAS - VPN 一鍵輕鬆建立！

建立QNAP私有雲已經夠輕鬆了，沒想到以前搞很久的VPN，竟然一鍵就搞定！

控制台 / 應用服務 / VPN服務

Ubuntu Lesson 05 - Set VPN Network

How to setup VPN network in Ubuntu, it's really easy. After setup, following commands can be used to activate/deactivate VPN connection:

nmcli con up id Test #up VPN connection of id=Test (i.e. name=Test)
nmcli con down id Test