Gateway (10.0.0.1)
      | tun0
      |
      |-----------------------| 10.0.0.0/16
      |                       |
      | tun0                  | tun0
Host A (10.0.1.1)         Host B (10.0.2.1)
      | wlan0                 | wlan0
      |                       |
      | 10.0.1.0/24           |----------------| 10.0.2.0/24
      |                       |                |
      | wlan0                 | wlan0          | wlan0
Client A (10.0.1.2)       Client B (10.0.2.2)  Client C (10.0.2.3)