EXTERNAL
                                    |
                                    |
                                    |
                                    |
                        External IP |
                               ----------
                               | gw-rtr |
                               ----------
                        10.10.0.254 |
                                    |
                                  -------
                10.10.0.0/24      | sw1 |
                                  -------
                               .253 |
                                    |
                                    |
                                    |
                                    |
 ---------------------------------------------------------------    .......  ----------
|     |     |                   |                     |                                |
|     |     |                   | 0.1                 |0.2                             | 0.4
s3   noc   ap1               ------                ------                           ------
                             |rtr1|                |rtr2|       .........           |rtr4| Cisco 7200's
.243 .250  .251              ------                ------                           ------
             |                  | 1.254               | 2.254                          | 4.254
             |                  |                     |                                |
             |                  | 10.10.1.0/24        | 10.10.2.0/24                   | 10.10.4.0/24
             |           --------------        --------------                 ------------------
             |          |    |    |    |      |    |    |   |                 |     |     |     |
             |          |    |    |    |      |    |    |   |                 |     |     |     |
             |         pc1  pc2  pc3  pc4    pc5  pc6  pc7  pc8              pc13  pc14  pc15  pc16
         wifi clients
        (0.100-0.149)  1.1  1.2  1.3  1.4    2.5  2.6  2.7  2.8              4.13  4.14  4.15  4.16

DOMAIN    = ws.nsrc.org
ADDRESSES = 10.10.0.0/24 (backbone)
            10.10.1.0/24 (group 1)
            10.10.2.0/24 (group 2)
            10.10.3.0/24 (group 3)
            10.10.4.0/24 (group 4)

GATEWAYS  = 10.10.0.254 (gw.ws.nsrc.org / rtr.ws.nsrc.org)
            10.10.1.254 (rtr1, group 1 gateway)
            10.10.2.254 (rtr2, group 2 gateway)
            10.10.3.254 (rtr3, group 3 gateway)
            10.10.4.254 (rtr4, group 4 gateway)

Nagios Parent Relationships

Parents are "gw", "sw", "rtr1", "rtr2", "rtr3", "rtr4"

gw ==> sw
sw ==> s3, ap1, noc, rtr1, rtr2, rtr3, rtr4
rtr1 ==> pc1, pc2, pc3, pc4
rtr2 ==> pc5, pc6, pc7, pc8
rtr3 ==> pc9, pc10, pc11, pc12
rtr4 ==> pc13, pc14,pc15, pc16