1.Connect to a VPN, export the connection to a file.
# Since novell VPN server is closed,using openvpn configuration to
1.1 run `nm-connection-editor`
1.2 choose the VPN tab then click 'Edit'
1.3 click 'Export...' button in the pop window's left button
2.Destroy the VPN connection and then recreate the connection by
importing the exported VPN file.
2.1 Come to ""Settings -> Network"", choose the VPN tab then click
the minus button on the left-bottom corner.
2.2 Come to ""Settings -> Network"", click the plus button on the
2.3 Choose ""VPN -> Import from file...""
Have a supported VPN network available for testing
Please refer to the testcase for setting up a vpn connection:
VPN connection could be established successfully.