Ammar Zafar S1, 2020 Southern Cross University CSC00240 Data Communications and Networks Case Study: Designing a Small Network This case study will be utilized for both Assessment 2 and Assessment 3....

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Ammar Zafar S1, 2020
Southern Cross University
CSC00240 Data Communications and Networks
Case Study: Designing a Small Network
This case study will be utilized for both Assessment 2 and Assessment 3.
I. SCENARIO AND TASK
A small news organization is opening new offices in Sydney Australia. For their office space,
they have rented a whole floor in an office building in the Sydney CBD. The rented office space
is 40 m long, 35 m wide and 3.2 m high. There will be four departments based at the office
space: editorial department, video department, print department and administration department.
You are tasked with designing the network for their offices and ensuring internet connectivity
to the office. You have to provide a networking plan which keeps cost down and satisfies the
organisation’s demands.
II. REQUIREMENTS
The requirements for the network are:
1) Each department should have a separate wired LAN. This is for security reasons. The
departments should still be able to communicate with each other.
2) All four department LANs need to support voice, video and data communication. The all
also need access to a printer.
3) There also needs to be wireless access throughout the floor for all the workers to connect
their own devices. The wireless LAN should be secured so no person from outside the
organization uses it.
4) There should be ‘fast’ internet access for all the LANS and the WLAN.
5) The network should support both IPv4 and IPv6.
6) There should an application for video chat for the workers as well as email.
7) The network design needs to leave room for 30% expansion both in terms of bandwidth
(data rate) and number of users.
III. ADDITIONAL INFORMATION
1) The number of hosts for each department are given by Table I.
2) Encryption and security services are provided by another company and you don’t need to
wo
y about them.
3) The network design should reflect the expected usage of the various departments and
associated networks.
Department Hosts
Administration 10
Editorial 30
Video 17
Print 75
TABLE I: Hosts Information Table
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Ammar Zafar S1, 2020
4) The provision of other applications outside of email and the video chat are the responsibility
of another company as well. You only have to wo
y about these two applications.
5) You are allowed to look at ‘cloud’ solutions.
6) Not everything has been precisely laid out in the problem and requirements. You should
and will need to make ‘sensible’ assumptions to design your solutions.
2
    Scenario and Task
    Requirements
    Additional Information

Ammar Zafar S1, 2020
Southern Cross University
CSC00240 Data Communications and Networks
Assessment 2
Please refer to the case study document for this assessment.
I. SUBMISSION DATE
The submission date is 17th April, 2020 at 11:00 pm. Late submission will incur a 5% marks
penalty per day. Submissions at 11:01 pm on 17th April, 2020 will be considered late. Please
make sure that you submit your assessment well ahead of the deadline as issues such as internet
connectivity may cause last minute hiccups. No extensions will be provided unless applied
through special consideration with proof of genuine reason for delay attached.
II. PROBLEM
For this assessment, you need to complete two main tasks:
1) Design the LANs of the case study.
2) Design the IPv4 and IPv6 addressing scheme for the case study.
Let us look at each task in a little more detail:
A. LANs’ Design
The complete network consists of multiple subnetworks (in this case LANs) each of which has
their own design according to usage. As we have learnt (or will learn depending on when you
ead this) in-class there are many design decisions involved in designing LANs. You need to
design each component of the LANs with good justification for your design decisions. You
LAN design should fulfil the requirements laid out in the case study document. You will need
to do some research on requirements for some of the functionalities the LANs need to perform
and their solutions. For example, as stated in the document all the LANs should support video
chats. You may also need to make some reasonable assumptions for your design. You should
justify these assumptions. You will also provide costing for your solutions. All costings should
e in AUD$.
B. IP Subnetting Design
We have seen (or will see in-class) that subnetworks and the devices in them need to be addressed.
You will need to select a suitable starting address and subnet mask for IPv4 subnetting. The last
two digits of your student ID should appear consecutively and in the same order as in your ID,
in the starting address. For example, if your ID is 123456, then you can choose an address of
the form xxx.x56.xxx.xxx. For the IPv6, please use the starting address:
2001 : DB8 : Θ :: /48
where Θ is the last four digits of your student ID expressed in hexa-decimal. The IP addressing
should be provided in the form of tables (one for IPv4, one for IPv6) and contain the information
noted down in the case study requirements. The starting addresses should be clearly stated before
the beginning of the table.
1
Ammar Zafar S1, 2020
III. SUBMISSION GUIDELINE
You will submit both these designs in the form of a report which thoroughly details the reasons
for decisions made, as well as the actual decisions made. The report should follow a logical
structure and be easy to follow. Jargon-laden and difficult to follow reports will not be looked
upon favourably. The total length of the report is 1000 words. In addition you should include a
Title Page, Contents Page and a page listing all references. These additional pages are not to be
included in this word count. Be sure to number all pages in your report. DO NOT INCLUDE
APPENDICIES. The Title Page should have the following information:
• Unit code
• Unit name
• Case Study Title (You can choose any appropriate title you desire.)
• Word count
• Student name
• Student ID
An Executive Summary is also required, and should be no more than 200 words. This is in
addition to the 1000 word report. All information sources must be appropriately acknowledged
and a full bibliography is required. References should follow the IEEE format.
There are two links provided for assessment 2 submission: 1) Turnitin link, 2) Assignment
Submission link. You have to submit the same report to both links. If they are not the same
or you don’t submit in both links, you automatically receive a Fail. The Turnitin submission
will be used to check for academic misconduct while the Assignment Submission link will be
used for marking purposes.
The report should be submitted as a Microsoft Word document through the Turnitin link. The
word document should be named named ‘[Your last name] [Your student ID].docx’(quotations
marks not included). For example, if I submitted the file it would be named Zafar XXXXXXXXXXdocx.
IV. ADVICE
It is perfectly normal to feel a little nervous when you are doing something for the first time
particularly if it is something you will be judged upon. Just look back at your experiences, most
probably when you did something for the first time there were some difficulties but after you had
put effort in and done it multiple times, it became easier and took less time. The same principle
applies here. As this is your first assessment of this kind, you will need time to process and
solve it. You will/might difficulties and some tasks might frustrate you. That is absolutely fine.
We all get things wrong when we attempt something new. The important thing is to learn from
them and co
ect them. Being wrong and/or making mistakes are not the problem, not putting
effort in and/or not learning from mistakes are.
You have the required knowledge and reasoning skills to solve this assignment. Use your common
sense to guide you. For example, how would you go about buying a PC/MAC? You would
probably look at the cost and the technical specifications and find a balance between them while
satisfying your requirements. You would also not just look at one PC/MAC, and one retailer.
You would most probably look at several options and then make your decision. Similar logic
applies for this assessment.
2
https:
ieee-dataport.org/sites/default/files/analysis/27/IEEE%20Citation%20Guidelines.pdf
Ammar Zafar S1, 2020
You are encouraged to discuss the assessment with your fellow students and teachers. But you
must develop your own solution and write your own report.
V. MARKING
A marking ru
ic is provided with the assessment. We will mark the assessment holistically.
What this means is that overall your solution should make sense and effectively solves the
problem. Individual parts of the solution might be good on their own but overall make not work
together, hence, making the solution ineffective. We want you to be able to effectively solve the
problem. You should not look at each criteria in isolation. Almost all criteria depend on each
other. To take an example, you may have the best report presentation but if everything in it is
wrong, it does not matter and you will not gain any marks. This reflects the real-world where
solutions should work. The layout of the ru
ic cannot capture this effect but you need to be
aware that it is there. Your grade for the assessment will reflect how your overall solution tackles
the given problems for this assessment.
3
    Submission Date
    Problem
    LANs' Design
    IP Subnetting Design
    Submission Guideline
    Advice
    Marking

Ammar Zafar S1, 2020
Southern Cross University
CSC00240 Data Communications and Networks
Case Study: Designing a Small Network
This case study will be utilized for both Assessment 2 and Assessment 3.
I. SCENARIO AND TASK
A small news organization is opening new offices in Sydney Australia. For their office space,
they have rented a whole floor in an office building in the Sydney CBD. The rented office space
is 40 m long, 35 m wide and 3.2 m high. There will be four departments based at the office
space: editorial department, video department, print department and administration department.
You are tasked with designing the network for their offices and ensuring internet connectivity
to the office. You have to provide a networking plan which keeps cost down and satisfies the
organisation’s demands.
II. REQUIREMENTS
The requirements for the network are:
1) Each department should have a separate wired LAN. This is for security reasons. The
departments should still be able to communicate with each other.
2) All four department LANs need to support voice, video and data communication. The all
also need access to a printer.
3) There also needs to be wireless access throughout the floor for all the workers to connect
their own devices. The wireless LAN should be secured so no person from outside the
organization uses it.
4) There should be ‘fast’ internet access for all the LANS and the WLAN.
5) The network should support both IPv4 and
Answered Same DayApr 26, 2021CSC00240Southern Cross University

Solution

Amaan answered on Apr 28 2021
56 Votes
UNIT CODE
UNIT NAME
CASE STUDY TITLE LOCAL AREA NETWORK DESIGN AND IMPLEMENTATION
WORD COUNT
STUDENT NAME Simran Mainali
STUDENT ID 23436154
SUMMARY:
This is the case study of the IP addressing fir IPv4 and IPv6 addresses, the Ipv4 addresses have been assigned based on the given number of hosts as per the instructions given in the task. A proper subnetting has been done to meet the required subnets based on the VLSM, student id has been used to perform subnetting, the Lan router is connected to the ISP router, which has a logical loopback address of 8.8.8.8 to perform connectivity tests over ICMP ping. Lan router has sub interfaces form IVR (inter vlan routing), and hence appropriate encapsulation has been done on the sub interfaces with IEEE standard 802.1q protocol, lan router is connected to the lan switch, which in turn is connected to the 4 switches, 1 each for 4 different departments, which has been allotted 4 different vlans.
REPORT:
The IPv4 addresses scheme has been given below with a proper demonstration and a tabular column to understand better of the subnetting done by using last two digits of the student id in the 2nd octet of the IP address.
    VLAN
    department
    Network ranges
    Subnet mask
    Default gateway
    10
    ADMINISTRATION
    192.154.0.224–192.154.0.239
    255.255.255.224
    192.154.0.225
    20
    EDITORIAL
    192.154.0.128–192.154.0.191
    255.255.255.192
    192.154.0.129
    30
    VIDEO
    192.154.0.192–192.154.0.223
    255.255.255.224
    192.154.0.193
    40
    PRINT
    192.154.0.0–192.154.0.127
    255.255.255.128
    192.154.0.1
IPv6 addresses scheme has been given below with a proper demonstration and a tabular column to understand better of the subnetting done by using last two digits of the student id with a /48 IPv6 address scheme.
    VLAN
    department
    IPv6 address at default gateway
    Subnet mask
    10
    ADMINISTRATION
    2001:DB8:154::1
    /48
    20
    EDITORIAL
    2001:DB8:254::1
    /48
    30
    VIDEO
    2001:DB8:354::1
    /48
    40
    PRINT
    C
    /48
The CISCO PACKET TRACER app was used to perform the hands on lab and perform tests, a pkt file has also been attached to view all the configuration.
According to the above LAN network, the Local Area Access Network (LAN) it can be easily connected to other office departments. The proposed Local Area Network is easily scalable when there is a need for it to be expanded in the future. It connects the components of the institute’s network both internal and external through a secure wired connection for the ADMINSTRATION, EDITORIAL, VIDEO, PRINT departments. All the needed devices are present in the network. The switch is placed for each separate department for better communication, to connect All...
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