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Network Requirements
With the acquisition of a newly leased building, UMUC requires a new network. The network includes coverage for the following places: six (6) instructional computer labs, a student computer lab, six (6) various offices, an admission office, library, and five (5) general classrooms. The network should encompass the following devices with respect to location: The network design determines the selection of the subnet mask. For instance, class C addresses have "a number from 192 to 223 in the first octet." The corresponding subnet mask is 255.255.255.0. "The number 255 indicates that the corresponding section of the address is part of the network address. The 0 indicates that the corresponding section is the host portion of the address (Reese, 2015)."
Each computer lab should have 22 computers. The network should allocate 21 computers for students and one computer for each instructor. The network should allocate a collective total of 132 computers, given the requirement of six total instructional labs.
The student computer lab requires 31 computers.
The network should allocate one computer for each of the six various offices-six computers in total.
The admission office requires five computers.
The library requires 15 computers, 10 for students and 5 for faculty.
Five individual classrooms each require a computer.
Network IP Addresses
Each device of the network must have a unique IP address. Reese (2015) writes, "In a network, every device must have its own unique IP address. That is every network device (printer, server, router, etc.) must be identified with a separate IP address."Reese (2015) explains, "With IP addresses, an organization is assigned a unique IP network, such as 192.168.1.0, but a single IP address must be assigned for each network device." For example, Device 1 (router) and Device 2 (office printer) would respectively have IP addresses, 192.168.1.1 and 192.168.1.2 (Reese, 2015).
Network IP Address Schematic
The following table provides the IP address ranges for the 194 computers that comprise the network. This network design assigns a sequential IP address within the designated IP address range.
Device Location & Designation
Start of IP range
End of IP range
Sequential IP examples within range
Labs 1, 2,3,4,5 & 6 instructor
10.11.0.0.1
10.11.0.0.6
10.11.0.0.1, 10.11.0.0.2,10.11.0.0.3
Lab 1 students
10.11.0.0.7
10.11.0.0.27
10.11.0.0.7, 10.11.0.0.8, 10.11.0.0.9
Lab 2 students
10.11.0.0.28
10.11.0.0.48
10.11.0.0.28, 10.11.0.0.29, 10.11.0.0.30
Lab 3 students
10.11.0.0.49
10.11.0.0.69
10.11.0.0.49, 10.11.0.0.50, 10.11.0.0.51
Lab 4 students
10.11.0.0.70
10.11.0.0.90
10.11.0.0.70, 10.11.0.0.71, 10.11.0.0.72
Lab 5 students
10.11.0.0.91
For the Network and IP address of 10.11.0.0, the subnet mask is 255.255.0.0, over a IP class A (0.0.0.0 to 127.255.255.255). Following is a summary of the network address details.
IP Address: 10.11.0.0
Netmask: 255.255.0.0
Wildcard Mask: 0.0.255.255
CIDR Notation: / 16
Network Address: 10.11.0.0
Usable Host Range: 10.11.01-10.11.255.254
Broadcast Address: 10.11.255.255
Total Number of Hosts: 65,536
Number of Usable Hosts: 65,534
IP Class: A (0.0.0.0-127.255.255.255)
Table A, following, depicts the network and host portion of the IP address and corresponding subnet mask.
Table A: Subnet Mask
Network portion
Host Portion
10
11
0
0
0
0
Subnetting
Typography
The network design will incorporate the use of a bus, a rectangular ring, and tree typography to connect all the devices in the network. Since the classrooms are positioned across the floor and at opposite ends of the floor, a single bus line would not be ideal. A rectangular ring will form the base infrastructure for the network for each floor. However, within each of the sectioned rooms, the network design calls for parallel bus lines from opposite sides of room from a node of the larger ring. No bus line would be needed for at the opposite ends of the floor. The network design calls for the use…
References
Freudenrich, C. (2015, March 3). How fiber optics work. Retrieved March 1, 2015, from http://computer.howstuffworks.com/fiber-optichtm
Geese. (2015, January 1). How to subnet a network. Retrieved March 1, 2015, from http://www.bradreese.com/how-to-subnet-a-network.pdf
Hilton, J. (2015, January 1). Network connections. Retrieved February 28, 2015, from http://www.geekinspired.com/networking/network-connection-devices/
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