(D)
  ------ (192.168.0.1)           (M)
  |    |                       /----\ (61.x.x.x)
  |    |    <------------------|----|
  ------    <----------------------------
    ^                                   |
    |       (uW)               (A)      |
    |      |___              |____|  ===|
     ====  |___|             |    |
                             |____| (192.168.1.1)





    (L)
  ------ (192.168.1.100)
  \     \
   \     \
    ------------