yum install NetworkManager-vpnc NetworkManager-pptp NetworkManager-openvpn
Installing: NetworkManager-openvpn x86_64 1:0.8.1-0.1.git20100609.el6 epel 133 k NetworkManager-pptp x86_64 1:0.8.0-1.git20100411.el6 epel 106 k NetworkManager-vpnc x86_64 1:0.8.0-1.git20100411.el6 epel 108 k Installing for dependencies: pptp x86_64 1.7.2-8.1.el6 base 62 k vpnc x86_64 0.5.3-4.el6 epel 82 k
service NetworkManager restart