Network  A                                Network  B

    PC1              PC2                 PC3              PC4
(10.35.1.10)    (10.35.1.11)         (10.35.2.12)    (10.35.2.13)
     |                |                   |                |
     ------------------                   ------------------
             |                                    |
      Router A (DD-WRT)  --------------------  Router B
        (10.35.1.1)                          (10.35.2.1)
             |                                    |
             |                                    |
         {Internet}                           {Internet}