Plase refer to these pages in order to install and use correctly the VPN client for the EPFL Network.
After the VPN connection to the EPFL Network is activated, your computer will act as if inside the EPFL IT network and so you can access all the EPFL resources.
To prevent security problem, you can't access all the network resources of the I.P.G. Labs, but you can use the ssh protocol to access all the servers or linux clients. You can so use the ssh tunnel feature to connect to the desired port/service of the servers (where possible).