Additional network route is needed: You have selected to keep the default route. You have to add additional network routes to your remote network. Otherwise you probably do not have access to it.
Precísase unha rota de rede adicional: Escolleu manter a rota predeterminada. Ten que engadir rotas de rede adicionais á rede remota. Caso contrario probabelmente non terá aceso a ela.