Lan Design and Implementaion Case Study

Topics: OSI model, Internet Protocol Suite, IP address Pages: 20 (5721 words) Published: November 1, 2010



Definition of a NetworkPage2

Definition of a SubnetworkPage2

Task 1: Preparation and Planning
• IP Address SchemePage3

Task 2: Network Design and Theory
• The OSI ModelPage5
• The TCP/IP ModelPage7
• LANs, WANs and the FuturePage8
• Network DesignPage9
• Proposed Network DiagramPage11

Task 3: Implementation and Testing
• Patch Cable Construction and TestingPage12
• Building the NetworkPage13
• Testing the NetworkPage15

Task 4: Structured Cabling
• Site SurveyPage17
• Physical Wiring ConsiderationsPage17
• Tools and Skills that are Needed for WiringPage18 • Location of Equipment and CablesPage18
• Extending the NetworkPage19
• Testing of Networks and Diagnostic ToolsPage19
• Maintenance ConsiderationsPage19
• Grounding and BondingPage20
• Safety and Environmental IssuesPage20
WEE DirectivePage20
Health, Safety and Electricity RegulationsPage22

References and BibliographyPage23

LAN Design and Implementation Case Study.

A company called Manufacturing Services has requested the design of a suitable infrastructure for a LAN together with an IP addressing scheme. The PCs are available but a network does not exist. The workstations use Windows XP operating systems and have all the necessary software installed. The organization has 3 main departments, Manufacturing, Sales and Administration.

This report will explain the theory behind networking protocols and topologies. The results of any tests that have been carried out to prove that the network is fully operational will also be included. It will also include details of an IP addressing scheme.

The following definitions refer to terms used throughout this assignment.

Definition of a Network.
A network is a group of interconnected computer systems sharing services and interacting by means of a shared communications link. The requirement of a network is, therefore, two or more individuals with something to share. The individual systems must be connected through a physical pathway (called the transmission medium). All systems on the physical pathway must follow a set of common communication rules so that data arrives at its intended destination, and so the sending and receiving systems understand each other. The rules that govern computer communication are called protocols.

Definition of a Subnetwork.
A subnet is a way to increase the number of network addresses within a single IP address. Subnetting breaks down a given network address into smaller subnets.

“Coupled with other technologies like Network Address Translation (NAT) and Port Address Translation (PAT), it allows for the more efficient use of available IP address space, thereby alleviating the problem of address depletion to a great extent. Subnetting has guidelines regarding the use of the first and the last subnets, known as subnet zero and the all-ones subnet, respectively. This is the last subnet obtained.” (

Task 1: Preparation and Planning.
The following IP Address scheme is relevant to the IP Address, which I have been assigned for the purpose of this assignment.

Major Network Address:
Network ID Class: Class C Address.
Subnet Mask before Subnetting:
Major Broadcast Address:
First Host of the Major Network: ( is the first host address but this address is reserved for the network address.) Last Host of the Major Network: ( is the last host address but this address is reserved for the broadcast address.) Number of Hosts Required: 28.

Total Number of Usable Subnets:...
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