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Subnetting Chart for Central Office/Desert View
| Class A Private IP Address 10.0.0.0 | |||||||
| 10.0.0.0/30 Used for point-to-point links | |||||||
| 10.0.12.0/23 Used for Administrative LAN at the Central Office | |||||||
| 10.0.0.0/23 Used for Student LANs at outlying schools | |||||||
| 10.0.0.0/26 Used for Administrative LANs at outlying schools | |||||||
| Cisco 3661 Router (Wing 3 West - MDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK | SUB-IF | DLCI | |
| IP Address supplied by ISP for Internet Connection | |||||||
| Serial | 0/0 | Internet | 66.138.23.2 | /30 | |||
| 10.0.12.0/23 Subnetted for Administrative LAN at the Central Office | |||||||
| Network | LAN | 10.0.12.0 | /23 | (510 Usable IPs) | |||
| FastEthernet | 0/1 | CO_LAN | 10.0.12.1 | /23 | (Router Port) | ||
| 10.0.0.0/30 Subnetted for point-to-point links | |||||||
| Serial | 0/1 | Adam | 10.255.255.249 | /30 | 0/1.1 | 250 | |
| Serial | 0/2 | Ben | 10.255.255.245 | /30 | 0/2.1 | 246 | |
| Serial | 0/3 | Jason | 10.255.255.241 | /30 | 0/3.1 | 242 | |
| Serial | 0/4 | Josh | 10.255.255.237 | /30 | 0/4.1 | 238 | |
| Serial | 0/5 | Justin | 10.255.255.233 | /30 | 0/5.1 | 234 | |
| Serial | 0/6 | Ronnie | 10.255.255.229 | /30 | 0/6.1 | 230 | |
| Serial | 0/7 | School #7 | 10.255.255.225 | /30 | 0/7.1 | 226 | |
| Serial | 1/0 | School #8 | 10.255.255.221 | /30 | 1/0.1 | 222 | |
| Serial | 1/1 | School #9 | 10.255.255.217 | /30 | 1/1.1 | 218 | |
| Serial | 1/2 | School #10 | 10.255.255.213 | /30 | 1/2.1 | 214 | |
| Serial | 1/3 | School #11 | 10.255.255.209 | /30 | 1/3.1 | 210 | |
| Serial | 1/4 | School #12 | 10.255.255.205 | /30 | 1/4.1 | 206 | |
| Serial | 1/5 | School #13 | 10.255.255.201 | /30 | 1/5.1 | 202 | |
| Serial | 1/6 | School #14 | 10.255.255.197 | /30 | 1/6.1 | 198 | |
| Serial | 1/7 | School #15 | 10.255.255.193 | /30 | 1/7.1 | 194 | |
| Serial | 2/0 | School #16 | 10.255.255.189 | /30 | 2/0.1 | 190 | |
| Serial | 2/1 | School #17 | 10.255.255.185 | /30 | 2/1.1 | 186 | |
| Serial | 2/2 | School #18 | 10.255.255.181 | /30 | 2/2.1 | 182 | |
| Serial | 2/3 | School #19 | 10.255.255.177 | /30 | 2/3.1 | 178 | |
| Serial | 2/4 | School #20 | 10.255.255.173 | /30 | 2/4.1 | 174 | |
| Serial | 2/5 | School #21 | 10.255.255.169 | /30 | 2/5.1 | 170 | |
| Serial | 2/6 | School #22 | 10.255.255.165 | /30 | 2/6.1 | 166 | |
| Serial | 2/7 | School #23 | 10.255.255.161 | /30 | 2/7.1 | 162 | |
| Serial | 3/0 | School #24 | 10.255.255.157 | /30 | 3/0.1 | 158 | |
| Serial | 3/1 | School #25 | 10.255.255.153 | /30 | 3/1.1 | 154 | |
| Serial | 3/2 | School #26 | 10.255.255.149 | /30 | 3/2.1 | 150 | |
| Serial | 3/3 | School #27 | 10.255.255.145 | /30 | 3/3.1 | 146 | |
| Serial | 3/4 | School #28 | 10.255.255.141 | /30 | 3/4.1 | 142 | |
| Serial | 3/5 | School #29 | 10.255.255.137 | /30 | 3/5.1 | 138 | |
| Serial | 3/6 | School #30 | 10.255.255.133 | /30 | 3/6.1 | 134 | |
| Cisco 3550-48 Ethernet Switch (Wing 3 West - MDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
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| Static IP addresses for Server-based equipment at the Central Office | |||||||
| FastEthernet | 0/1 | LAN/RJ45 | 10.0.12.2 | /23 | Switch IP | ||
| FastEthernet | 0/2 | LAN/RJ45 | 10.0.12.3 | /23 | WebServer | ||
| FastEthernet | 0/3 | LAN/RJ45 | 10.0.12.4 | /23 | Server 1 | ||
| FastEthernet | 0/4 | LAN/RJ45 | 10.0.12.5 | /23 | Server 2 | ||
| FastEthernet | 0/5 | LAN/RJ45 | 10.0.12.6 | /23 | Server 3 | ||
| FastEthernet | 0/6 | LAN/RJ45 | 10.0.12.7 | /23 | Server 4 | ||
| FastEthernet | 0/7 | LAN/RJ45 | 10.0.12.8 | /23 | Server 5 | ||
| FastEthernet | 0/8 | LAN/RJ45 | 10.0.12.9 | /23 | Server 6 | ||
| FastEthernet | 0/9 | LAN/RJ45 | 10.0.12.10 | /23 | Server 7 | ||
| FastEthernet | 0/10 | LAN/RJ45 | 10.0.12.11 | /23 | Server 8 | ||
| FastEthernet | 0/11 | LAN/RJ45 | 10.0.12.12 | /23 | Server 9 | ||
| FastEthernet | 0/12 | LAN/RJ45 | 10.0.12.13 | /23 | Server 10 | ||
| FastEthernet | 0/13 | LAN/RJ45 | 10.0.12.14 | /23 | Server 11 | ||
| FastEthernet | 0/14 | LAN/RJ45 | 10.0.12.15 | /23 | Server 12 | ||
| FastEthernet | 0/15 | LAN/RJ45 | 10.0.12.16 | /23 | Server 13 | ||
| FastEthernet | 0/16 | LAN/RJ45 | 10.0.12.17 | /23 | Server 14 | ||
| FastEthernet | 0/17 | LAN/RJ45 | 10.0.12.18 | /23 | Server 15 | ||
| FastEthernet | 0/18 | LAN/RJ45 | 10.0.12.19 | /23 | Server 16 | ||
| FastEthernet | 0/19 | LAN/RJ45 | 10.0.12.20 | /23 | Server 17 | ||
| FastEthernet | 0/20 | LAN/RJ45 | 10.0.12.21 | /23 | Server 18 | ||
| FastEthernet | 0/21 | LAN/RJ45 | 10.0.12.22 | /23 | Server 19 | ||
| FastEthernet | 0/22 | LAN/RJ45 | 10.0.12.23 | /23 | Server 20 | ||
| FastEthernet | 0/23 | LAN/RJ45 | 10.0.12.24 | /23 | 3550-12G Switch | ||
| FastEthernet | 0/24-48 | LAN/RJ45 | DHCP | 20 in Use-Wing 3 W | |||
| Cisco 3550-12G Fiber Switch (Wing 3 West - MDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| Static IP addresses for Server-based equipment at the Central Office | |||||||
| FastEthernet | 0/1 | LAN/RJ45 | 10.0.12.24 | /23 | 3550-48 Switch | ||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.25 | /23 | Wing 1 | ||
| GigabitEthernet | 0/2 | Fiber | 10.0.12.26 | /23 | Wing 2 | ||
| GigabitEthernet | 0/3 | Fiber | 10.0.12.27 | /23 | Wing 3 East | ||
| GigabitEthernet | 0/4 | Fiber | 10.0.12.28 | /23 | Wing 4 East | ||
| GigabitEthernet | 0/5 | Fiber | 10.0.12.29 | /23 | Wing 4 West | ||
| GigabitEthernet | 0/6 | Fiber | 10.0.12.30 | /23 | Wing 5 East | ||
| GigabitEthernet | 0/7 | Fiber | 10.0.12.31 | /23 | Wing 5 West | ||
| GigabitEthernet | 0/8 | Fiber | 10.0.12.32 | /23 | PE Building | ||
| GigabitEthernet | 0/9 | Fiber | 10.0.12.33 | /23 | Double Classroom | ||
| Cisco 3550-48 Ethernet Switch (Wing 1 - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.25 | /23 | Wing 1 | ||
| FastEthernet | 0/1-48 | LAN/RJ45 | DHCP | 44 in Use | |||
| Cisco 3550-48 Ethernet Switch (Wing 2 - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.26 | /23 | Wing 2 | ||
| FastEthernet | 0/1-48 | LAN/RJ45 | DHCP | 24 in Use | |||
| Cisco 3550-24 Ethernet Switch (Wing 3 East - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.27 | /23 | Wing 3 East | ||
| FastEthernet | 0/1-24 | LAN/RJ45 | DHCP | 20 in Use | |||
| Cisco 3550-24 Ethernet Switch (Wing 4 East - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.28 | /23 | Wing 4 East | ||
| FastEthernet | 0/1-24 | LAN/RJ45 | DHCP | 20 in Use | |||
| Cisco 3550-24 Ethernet Switch (Wing 4 West - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.29 | /23 | Wing 4 West | ||
| FastEthernet | 0/1-24 | LAN/RJ45 | DHCP | 16 in Use | |||
| Cisco 3550-24 Ethernet Switch (Wing 5 East - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.30 | /23 | Wing 5 East | ||
| FastEthernet | 0/1-24 | LAN/RJ45 | DHCP | 20 in Use | |||
| Cisco 3550-24 Ethernet Switch (Wing 5 West - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.31 | /23 | Wing 5 West | ||
| FastEthernet | 0/1-24 | LAN/RJ45 | DHCP | 12 in Use | |||
| Cisco 3550-24 Ethernet Switch (PE Building - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.32 | /23 | PE Building | ||
| FastEthernet | 0/1-24 | LAN/RJ45 | DHCP | 16 in Use | |||
| Cisco 3550-24 Ethernet Switch (Double Classroom - IDF) | |||||||
| INTERFACE | PORT | CONNECTION | IP ADDRESS | MASK |
NOTES |
||
| GigabitEthernet | 0/1 | Fiber | 10.0.12.33 | /23 | Double Classroom | ||
| FastEthernet | 0/1-24 | LAN/RJ45 | DHCP | 8 in Use | |||