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ASSIGNMENT 2 FRONT SHEET
Qualification BTEC Level 5 HND Diploma in Computing Unit number and title Unit 2: Networking Infrastructure Submission date 13/6/2022 Date Received 1st submission Re-submission Date 22/6/2022 Date Received 2nd submission Student Name Tran Huy Vu Student ID GCH Class GCH1104 Assessor name Ha Trong Thang Student declaration I certify that the assignment submission is entirely my own work and I fully understand the consequences of plagiarism. I understand that making a false declaration is a form of malpractice. Student’s signature Vu Grading grid
P 5 P 6 P 7 P 8 M 3 M 4 D 2 D 3
Summative Feedback: Resubmission Feedback:
Grade: Assessor Signature: Date: Lecturer Signature:
I. Provide a logical/physical design of the networked system with
clear explanation and addressing table (P5)
1. The difference between logical and physical design
- Logical design
The logical topology defines how information flows in the network. Using network equipment such as routers and switches, the logical topology of a network can be dynamically maintained and reconfigured. It also can include the way to do IP addresses, VLANs, and switch configurations. Figure 1 : Logical Topology
- Physical Topology A physical design network focuses on actual devices, and the cable connecting them serves as the network topology's mapping. The physical network's topology diagram must depict items such as workstations, servers, routers, and so on, with the cable will be the connection between them. Figure 2 : Physical Topology
Figure 3 : Logical design
4. A Physical design of the network based on the specific requirements of the user. Figure 4 : Physical design
II. Evaluate the design to meet the requirements (P6)
1. Test plan
- The first thing I need to do is to check every ports, interfaces and their status to make sure they are ready to be configured.
- Configure all routers for ground floor, 1st^ floor, and 2nd^ floor.
- Ping one of the personal computer to other devices to check their connectivites are stable or not, here is an example: Figure 5 : Ping plan
2. Evaluate My Network Design
To meet the user requirement, I will choose star topology design because it is quite simple with the stability of technical control. It has a number of advantages but it also has some disadvantages beside that. Advantages:
- It is very reliable. If one cable or device breaks, the others will continue to operate.
- The structure also makes it simple to add new devices and extend the network.
- There are no delays or interruption to the network when connecting or disconnecting devices or cables.
- Adding passwords to the routers to increase security. Disadvantages:
- If the connecting network devices such as switch or router breaks, all the cable attached are disabled and unable to work properly.
- The performance and scalability of the network depend on the capabilities of the routers. Some of the solutions:
- Adding more switches to decrease congestion of the devices and free up bandwidth.
- Adding more routers to minimize a problem that a large number of devices cannot participate in network communication because of a single router.
III. Implement a networked system based on a prepared design. (P7)
1. Router Configuration.
In this designing section, I will configure 3 routers: R1, R2, and R3. I will only configure router 1 in order to set an example for other routers because the steps to configure are the same, I just need to change a little about IP addresses on each router.
Step 2 : In Fa0/1: Add IP address 192.168.2.1 , Subnet Mask 255.255.255.0. Figure 7 :Configure Router
Step 3: In Serial0/0/0: Add IP Address 192.168.10.1 , Subnet Mask 255.255.255.0. Figure 8 : Configure Router 1
Figure 10 : Router 3 Configuration
2. PC Configuration Next, I will configure all of the PCs by adding IP address, Subnet Mask and Default Gateway.
Figure 11 : Configure to all PCs
3. Diagram On the 2nd^ floor, there will be 1 room for students, including 50 computers are divided for 2 switches. On the 1st^ floor, there will be 1 room for 5 higher managers.
