Network Diagram

Classroom Diagram and Network Details

Subject to change, but this is our current proposed classroom setup.

• Allocated address space: 192.168.5.128/25

We have split our /25 in to two /27 networks.

1. 192.168.5.128/27: Group One
2. 192.168.5.160/27: Group Two

We have a backbone network where our border router resides:

3. 192.168.17.0/24: Backbone

Note: 192.168.5.192/26 is unassigned. These are private IP addresses.

192.168.5.128/27 (Group 1)
--------------------------
pc1-9-gw   192.168.5.129 (Group one gateway. Management interface group 1 router)
pc1-9-sw   192.168.5.130 (Group one switch management interface)
pc1        192.168.5.131
...
pc9        192.168.5.139

192.168.5.160/27 (Group 2)
--------------------------
pc10-18-gw 192.168.5.161 (Group two gateway. Management interface group 2 router)
pc10-18-sw 192.168.5.162 (Group two switch management interface)
pc10       192.168.5.170
...
pc18       192.168.5.178        

192.168.5.224/27 (Backbone)
---------------------------
bb-gw      192.168.17.2  (Classroom gateway)
bb-sw      192.168.17.4  (Management interface backbone switch)
           192.168.17.1  (External interface group one router)
           192.168.17.3  (External interface group two router)
noc        192.168.17.5  (Classroom NOC box)
dns        192.168.17.5  (Classroom DNS)

ASCII Classroom Network Diagram

                                                        ^
                                                        |
                                                    ---------
                                                   |  bb-gw  | 17.2 (border router)
                                                    ---------
                                                        |
                                                        |
                                                    ---------
                                                   |  bb-sw  | 17.4 (Classroom backbone switch)
                                                    ---------
                                                   |      |  |_________________________________________________
                    _______________________________|      |_________________________________                   |
                   |                                                                        |                  |
                   |.17.1                                                                   |.17.3            noc
             -----------                                                                ------------         .17.5
            | pc1-9-gw  |                                                              | pc10-18-gw |
             -----------                                                                ------------
                   |.129 (Group 1 gw)                                                       |.161 (group 2 gw)
                   |                                                                        |
                   |.130 (mgmt addr)                                                        |.162 (mgmt addr)
             -----------                                                               ------------
            | pc1-9-sw  |                                                             | pc10-18-sw |
             -----------                                                               ------------
    _________| |  |  | |______________________________              _____________________| |  | | |____________________
   |      _____|  |  |__      |     |     |     |     |            |     |     |       ____|  | |___      |      |     |
   |     |        |     |     |     |     |     |     |            |     |     |      |       |     |     |      |     |
  pc1   pc2     pc3    pc4   pc5   pc6   pc7   pc8   pc9          pc10  pc11  pc12   pc13    pc14  pc15  pc16   pc17  pc18
 .131  .132    .133   .134  .135  .136  .137  .138  .139         .170  .171  .172   .173    .174  .175  .176   .177  .178