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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 20/12/2021 Date Received 1st submission Re-submission Date Date Received 2nd submission Student Name Phan Nhat Linh Student ID GCD Class GCD0905 Assessor name Tran Trong Minh 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 Linh Grading grid
P 5 P 6 P 7 P 8 M 3 M 4 D 2 D 3
ASSIGNMENT 22
Subject: Networking (1619)
Table of Contents
- CHAPTER I: LOGICAL AND PHYSICAL DESIGN OF THE NETWORKED SYSTEM
- The difference between logical and physical design
- The user requirements for general network design
- 2.1 Scenario
- 2.2 Target.................................................................................................................................
- 2.3 Structure
- A logical design
- A physical design
- Addressing table for the network
- CHAPTER II: EVALUATE THE DESIGN
- Test schedule
- Evaluate network design
- 2.1 Advantages of the design
- 2.2 Disadvantage of the design
- 2.3 Recommend for design network to work effectively
- CHAPTER III: INSTALL AND CONFIGURE NETWORK SERVICES AND APPLICATIONS
- DHCP server
- DNS server
- SSH
- CHAPTER IV: MAINTENANCE SCHEDULE TO SUPPORT THE NETWORKED SYSTEM
- Why is it important to plan maintenance?
- Maintenance schedule
- CHAPTER V. IMPLEMENT A NETWORKED SYSTEM BASED ON A PREPARED DESIGN
- Set name for all devices
- 1.1 Physical name
- 1.2 Set a name using hostname for all switches and core switch
- DHCP server
- Vlan
- VTP
- Connection from router to ISP
- IP addressing NAT configuration
- Security
- 7.1 Enable password
- 7.2 Password for line console 0...............................................................................................
- 7.3 SSH
- TFTP
- CHAPTER VI: DOCUMENT AND ANALYSE TEST RESULTS AGAINST EXPECTED RESULTS
- 1.Implementation process into the logbook
- The network test results..........................................................................................................
- CHAPTER VII: RECOMMEND POTENTIAL ENHANCEMENTS FOR THE NETWORKED
- Devices
- Compression of data
- Utilizing checking instruments
- CHAPTER VIII: ASSESS POSSESS WORK AND LEGITIMIZE SUBSTANTIAL CONCLUSION
- DHCP
- SSH
- Router
- Switch
- Improvements
- References
- Figure 1: Design request Table of Figures
- Figure 2: Logical design
- Figure 3: Physical design
- Figure 4: Configure ip address for server
- Figure 5: Enable DHCP for server
- Figure 6: Enable DHCP on end devices
- Figure 7: Assign Gateway for DNS Server
- Figure 8: Assign IP address and Subnet Mask for DNS Server
- Figure 9: Providing services to the server
- Figure 10: Physical name
- Figure 11: Example of using hostname for a switch
- Figure 12:Example of using hostname for a core switch
- Figure 13: DHCP server for the sever in the ground floor
- Figure 14: Set ip address for a switch (example)
- Figure 15: Enable DHCP
- Figure 16: Ip configuration for end devices
- Figure 17: No shutdown on router
- Figure 18: No shutdown on switch
- Figure 19: Create VLAN and host name
- Figure 20: Assign port fa 0/4 to vlan
- Figure 21: Configure the trunk port
- Figure 22: Create a sub-interface
- Figure 23: Encapsulation for VLAN
- Figure 24: Default gateway for VLAN
- Figure 25: Add StaffPool
- Figure 26: Ip helper-address............................................................................................................
- Figure 27: Configure VTP mode Sever on the core switch
- Figure 28: Set ip address for the core switch
- Figure 29: Set ip address on each switch (example)
- Figure 30: Set ip default-gateway on each swith
- Figure 31: Configure VTP mode Sever on the each switch
- Figure 32: Create more Vlan on core switch (Example)
- Figure 33: Switchport trunk encapsulation dot1q on core switch
- Figure 34: Switchport mode trunk on core switch..........................................................................
- Figure 35: Set ip address on router
- Figure 36: no shutdown command on Router
- Figure 37: Set ip address on ISP
- Figure 38: no shutdown command on ISP
- Figure 39: IP addressing NAT configuration (Step 1)
- Figure 40: IP addressing NAT configuration (Step 2)
- Figure 41: IP addressing NAT configuration (Step 3)
- Figure 42: IP addressing NAT configuration (Step 4)
- Figure 43: IP addressing NAT configuration (Step 5)
- Figure 44: IP addressing NAT configuration (Step 6)
- Figure 45: Set enable password on the router................................................................................
- Figure 46: Password encryption on the router
- Figure 47: Set enable password on the core switch
- Figure 48: Password encryption on the core switch
- Figure 49: Set enable password on a switch (example)
- Figure 50: Password encryption on a switch
- Figure 51: Set username and password on a switch (example)
- Figure 52: Join in line console 0 on a switch (example)
- Figure 53: Set login local command on a switch (example)
- Figure 54: Set username and password on core switch
- Figure 55: Join in line console 0 on core switch
- Figure 56: Set login local command on core switch
- Figure 57: Set username and password on the router
- Figure 58: Join in line console 0 on the router
- Figure 59: Set login local command on the router
- Figure 60: Use aaa new-model command on a switch (example)
- Figure 61: Configure the DNS domain on a switch (example)
- Figure 62: Generate an SSH key on a switch (example)
- Figure 63: Join in line vty 0 4 on a switch (example)
- Figure 64: Use transport input ssh command on a switch (example)
- Figure 65: Use aaa new-model command on core switch
- Figure 66: Configure the DNS domain on core switch
- Figure 67: Generate an SSH key on core switch
- Figure 68: Join in line vty 0 4 on core switch
- Figure 69: Use transport input ssh command on core switch
- Figure 70: Use aaa new-model command on the router
- Figure 71: Configure the DNS domain on the router
- Figure 72: Generate an SSH key on the router
- Figure 73: Join in line vty 0 4 on the router
- Figure 74: Use transport input ssh command on the router
- Figure 75: Turn on TFTP service on a switch
- Figure 76: Copy to TFTP service and set file name on a switch
- Figure 77: Check the saved file on sever (name of the switch)
- Figure 78: Copy to TFTP service and set file name on the core switch
- Figure 79: Check the saved file on sever (name of the core switch)
- Figure 80: Copy to TFTP service and set file name on the router
- Figure 81: Check the saved file on sever (name of the router)
- Figure 82: Evidence of saving the configuration file of each device to the TFTP server
- Figure 83: Dynamic ip on PC Admin (VLAN 1)
- Figure 84: Dynamic ip on PC Staff (VLAN 2)
- Figure 85: Dynamic ip on laptop Student (VLAN 3)
- Figure 86: Dynamic ip on PC LAB (VLAN 4)
- Figure 87: Dynamic ip on PC Teacher (VLAN 5)
- Figure 88: Dynamic ip on PC Marketing (VLAN 6)
- Figure 89: Dynamic ip on PC Manager (VLAN 7)
- Figure 90: Ping successfully from PC Admin (VLAN 1) to PC staff (VLAN 2)
- Figure 91: Ping successfully from PC Admin (VLAN 1) to Laptop Student (VLAN 3)
- Figure 92: Ping successfully from PC Admin (VLAN 1) to PC LAB (VLAN 4)
- Figure 93: Ping successfully from PC Admin (VLAN 1) to PC Teacher (VLAN 5)
- Figure 94: Ping successfully from PC Admin (VLAN 1) to PC Marketing (VLAN 6)
- Figure 95: Ping successfully from PC Admin (VLAN 1) to PC Manager (VLAN 7)
- Figure 96: Ping successfully from PC staff (VLAN 2) to laptop Student (VLAN 3)
- Figure 97: Ping successfully from PC staff (VLAN 2) to PC LAB (VLAN 4)
- Figure 98: Ping successfully from PC staff (VLAN 2) to PC LAB (VLAN 5)
- Figure 99: Ping successfully from PC staff (VLAN 2) to PC LAB (VLAN 6)
- Figure 100: Ping successfully from PC staff (VLAN 2) to PC LAB (VLAN 7)
- Figure 101: Ping successfully from laptop Student (VLAN 3) to PC LAB (VLAN 4)
- Figure 102: Ping successfully from laptop Student (VLAN 3) to PC Teacher (VLAN 5)
- Figure 103: Ping successfully from laptop Student (VLAN 3) to PC Marketing (VLAN 6)
- Figure 104: Ping successfully from laptop Student (VLAN 3) to PC Manager (VLAN 7)
- Figure 105: Ping successfully from PC LAB (VLAN 4) to PC Teacher (VLAN 5)
- Figure 106: Ping successfully from PC LAB (VLAN 4) to PC Marketing (VLAN 6)
- Figure 107: Ping successfully from PC LAB (VLAN 4) to PC Manager (VLAN 7)
- Figure 108: Ping successfully from PC Teacher (VLAN 5) to PC Marketing (VLAN 6)
- Figure 109: Ping successfully from PC Teacher (VLAN 5) to PC Manager (VLAN 7)
- Figure 110: Ping successfully from PC Marketing (VLAN 6) to PC Manager (VLAN 7)
- Figure 111: Ping successfully from PC Admin (VLAN 1) to ISP
- Figure 112: Ping successfully from PC Staff (VLAN 2) to ISP
- Figure 113: Ping successfully from laptop Student (VLAN 3) to ISP
- Figure 114: Ping successfully from PC LAB (VLAN 4) to ISP
- Figure 115: Ping successfully from PC Teacher (VLAN 5) to ISP
- Figure 116: Ping successfully from PC Marketing (VLAN 6) to ISP
- Figure 117: Ping successfully from PC manager (VLAN 7) to ISP
- Figure 118: : Multilayer switch ( switch 3650)
- Figure 119: Router ISR4331
- Figure 120: Switch 2960-24TT
CHAPTER I: LOGICAL AND PHYSICAL DESIGN OF THE NETWORKED SYSTEM
1. The difference between logical and physical design
Figure 1 : Design request ➢ Logical design: A logical design is a conceptual, abstract design,... The logical design technique comprises grouping data into entities and characteristics, which are logical links. An entity is a representation of a piece of data. In relational databases, an entity typically maps to a table. ➢ Physical design: An information system's physical design serves as a template for the system's real implementation. The physical design of the system is based on the logical design and describes how it will be executed. The physical design specifies, among other things, data input, validation, and storage methods, as well as the physical layout of data files, sorting strategies, and the exact format of reports. Physical design focuses on how the system will meet those requirements, whereas logical design focuses on what the system must do.
3. A logical design
Figure 2 : Logical design
4. A physical design
Figure 3 : Physical design
5. Addressing table for the network
VLAN Name Ip address Subnet Mask 1 Admin 10.1.1.0 255.255.255. 2 Staff 10.1.2.0 255.255.255. 3 Student 10.1. 3 .0 255.255.255. 4 LAB 10.1. 4 .0 255.255.255. 5 Teacher 10.1.5.0 255.255.255. 6 Marketing 10.1.6.0 255.255.255. 7 Manager 10.1.7.0 255.255.255.
Ping successfully from VLAN 2 to VLAN 4 Pass 10 Ping successfully from VLAN 2 to VLAN 5 Pass 11 Ping successfully from VLAN 2 to VLAN 6 Pass 12 Ping successfully from VLAN 2 to VLAN 7 Pass 13 Ping successfully from VLAN 3 to VLAN 4 Pass 14 Ping successfully from VLAN 3 to VLAN 5 Pass 15 Ping successfully from VLAN 3 to VLAN 6 Pass 16 Ping successfully from VLAN 3 to VLAN 7 Pass 17 Ping successfully from VLAN 4 to VLAN 5 Pass 18 Ping successfully from VLAN 4 to VLAN 6 Pass 19 Ping successfully from VLAN 4 to VLAN 7 Pass 20 Ping successfully from VLAN 5 to VLAN 6 Pass 21 Ping successfully from VLAN 5 to VLAN 7 Pass 22 Ping successfully from VLAN 6 to VLAN 7 Pass 23 Ping successfully from VLAN 1 to ISP Pass 24 Ping successfully from VLAN 2 to ISP Pass 25 Ping successfully from VLAN 3 to ISP Pass 26 Ping successfully from VLAN 4 to ISP Pass
Ping successfully from VLAN 5 to ISP Pass 28 Ping successfully from VLAN 6 to ISP Pass 29 Ping successfully from VLAN 7 to ISP Pass
2. Evaluate network design
2.1 Advantages of the design
➢ The network has been divided into many VLANs, making it more secure than previously. ➢ High load capacity owing to two switches and two access points on each level, which allow network devices to function normally during recess or peak hours. ➢ By locating the core switch on the second level, the cost of building cable lines is reduced, saving a substantial amount of money. ➢ In each sort of equipment, there is a high level of information security. ➢ With the star topology, there is a high degree of dependability. The failure of a single network branch has no effect on the whole network.
2.2 Disadvantage of the design
➢ In this design using a total of 6 switches and 1 core switch, it is generally quite expensive. ➢ The network system will become overloaded if the number of devices is concentrated on one floor. For example, organizing a student conference or a computer competition.
2.3 Recommend for design network to work effectively
➢ A student's or employee's PC sets up a firewall for any alarms and sends an extended ping to the server. The network traffic simulation program may be used to test the IDS. Place a tested device on each switch port to ensure that your network is up and running.
➢ The efficient handling of IP address changes for clients that must be updated frequently, such as those for portable devices that move to different locations on a wireless network. ➢ The forwarding of initial DHCP messages by using a DHCP relay agent, which eliminates the need for a DHCP server on every subnet.
- Configure ip address for server Figure 4 : Configure ip address for server
- Enable DHCP for server Figure 5 : Enable DHCP for server
- Enable DHCP on end devices Figure 6 : Enable DHCP on end devices
2. DNS server
The benefits of DNS are that domain names: ➢ Can map to a new IP address if the host’s IP address changes ➢ Are easier to remember than an IP address