Connect with a defined configuration file

A VPN client for the Cisco 3000 VPN Concentrator.
More information: <https://manned.org/vpnc>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

sudo vpnc {{config_file}}

click the source code to copy install vpnc on any operating system with command-not-found.com