IP addressing
To effectively manage the network of Twentyfour7 cybercafe, IP addressing through subnetting is essential. This ensures unique identifiers for each device and smooth communication.
Total devices:
Gaming PCs: 10
Server: 1
Printer: 1
Router: 1
Switch: 1
Access Points: 2
Admin PC: 1
Total Devices: 17
To accommodate 17 devices, we use the closest subnet mask 192.168.1.0/27, which provides 32 IP address, including 30 usable host addresses.
4.1 Subnet calculation
Network Address: 192.168.1.0/27
Subnet Mask: 255.255.255.224
Number of usable: 30
Reserved for Network and Broadcast: 2
4.2 IP Address range
Network Address: 192.168.1.0
Usable IP Range: 192.168.1.1 to 192.168.1.30
Broadcast Address: 192.168.1.31
4.3 Address allocation
Device | Quantity | Assigned IP Range |
Gaming PCs | 10 | 192.168.1.1 – 192.168.1.10 |
Admin PC | 1 | 192.168.1.11 |
Server | 1 | 192.168.1.12 |
Printer | 1 | 192.168.1.13 |
Router | 1 | 192.168.1.14 |
Switch | 1 | 192.168.1.15 |
Access Points | 2 | 192.168.1.16 – 192.168.1.17 |
Reserved for Expansion | 13 | 192.168.1.18 – 192.168.1.30 |
4.4 Assigning IP addresses
Gaming PCs
PC1: 192.168.1.1
PC2: 192.168.1.2
PC3: 192.168.1.3
PC4: 192.168.1.4
PC5: 192.168.1.5
PC6: 192.168.1.6
PC7: 192.168.1.7
PC8: 192.168.1.8
PC9: 192.168.1.9
PC10: 192.168.1.10
Admin PC
Admin PC: 192.168.1.11
Core Devices
Server: 192.168.1.12
Printer: 192.168.1.13
Router (Gateway): 192.168.1.14
Switch: 192.168.1.15
Access Points
AP1: 192.168.1.16
AP2: 192.168.1.17
Reserved IPs (for future devices)
192.168.1.18 – 192.168.1.30
By subnetting our network with a /27 subnet mask, we have ensured that Twentyfour7 cybercafe has enough IP addresses to support all devices while keeping being manageable and efficient. This configuration also enables for future expansion if more devices are added to the network.
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