This tutorial shows you how to install Cisco VPN on Ubuntu 13.04 Raring or 13.10 Saucy. You don’t have to do anything special to install Cisco VPN client, because network manager supports Cisco IPSec VPNs after installed the vpnc plugin.
To get started, search for and install network-manager-vpnc package from Ubuntu Software Center. It installs the Cisco-compatible VPN client as well as the plugin for network manager.
Once installed, you can follow below steps to setup Cisco VPN for Ubuntu:
1.) Move your cursor to right-top corner system tray area, click on Network Manager icon and choose VPN Connections -> Configure VPN
2.) In next window, click on Add button to add a new connection and then choose Cisco Compatible VPN (vpnc) from the drop-down menu.
3.) Click on Create and you’re able to type in your Cisco VPN details in next window. After all, check off “Use this connection only for resources on its network” otherwise your traffic significantly slowed down