network-admin (the program you're using) is not provided by default in Ubuntu. It has to be installed manually with the gnome-network-admin package, and it's not the recommended way of setting up connections.
You should rather use NetworkManager, which is available from System->Administration->Network Connections (or start it with nm-connection-editor.
network-admin (the program you're using) is not provided by default in Ubuntu. It has to be installed manually with the gnome-network-admin package, and it's not the recommended way of setting up connections.
You should rather use NetworkManager, which is available from System- >Administration ->Network Connections (or start it with nm-connection- editor.
have you upgraded from Hardy?