Tak to musim mat prepojene routre navzajom

                   _______________          [C:]
                  [  1.router  lan]--------[_pc_]
internet ---------[WAN         lan]-           _______________          [D:]
                  [____________lan]--\        [  2.router  lan]--------[_pc_]
                                     |       -[WAN         lan]--
                                     |        [____________lan]---\
                                     |                            |
                                     \----------------------------/