64kbps
            Lease Line(aloola)
              213.178.252.110
                    |
                    |
           +-----------------+                    +-----------------+
           | Parefeu1 DNS    |-----10.201.1.0---- |        RPV      |
           +-----------------+                    +-----------------+
                 | 192.168.1.1                        |
                 |                                    |
                 |                                    |
 2Mbps Univ.     | 192.168.1.2                        ------- Personnel
          |      |                                    |
          |      |                                    |       +---------------------+
         +--------------+                             |-------| Backup 10.201.1.107 |          
         |  M service   |                                     +---------------------+
         |   Parefeu2   |------------------
         |    DHCP      |                  |
         |              |                  |
         +--------------+                  |
         |              |                  | 172.168.3.198
         |              |                    +--------------+
  172.168.3.0          172.168.2.0           |   Nis/NFS  |
     CAI           S.Formations              +--------------+