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Designing Network Architecture Design

ICT50415 Diploma of  Information Technology Networking 
ICTNWK529 Install and manage complex ICT networks 
Australian Harbour International College

Instructions

Please read carefully the case study and assessment task details below. You are required to produce and present information appropriate to the needs of the required context and to justify why you have made the recommendations in terms of the requirements of the case study.

Case study scenario

You are working as a Network Engineer for Nubex Technology Pty Ltd.  Nubex Technology is currently in the process of setting of seven global DHCP servers as a part of their company expansion across the world.

Your main job is to design the network architecture design for all 7 LANs and WAN connection to connect all LAN across the world as per given network diagram. You are also asked to design IP address scopes for seven global DHCP servers as part of a project to deploy your organisation’s International email system. Since RIP will be the standard routing protocol, zero subnets will be used to conserve IP addresses. You have been told that Network Engineer for Nubex Technology Pty Ltd.  is going to use private address 10.0.0.0

After discussion with the company’s IT Manager, you have identified the number of nodes needed for each LAN which is tabulated below.

LocationNumber of Nodes
Sydney (SY)450
Singapore (SG)190
Berlin (BR)55
London (LD)495
Sacramento (SC)77
Tokyo (TK)95
Bombay (BB)27

Router   links (For serial connection)

 
SY-SG2
SG-BR2
BR-LD2
LD-SC2
SC-TK2
TK-BB2
BB-SY2

 

 

As per Case Study, you need to complete the following Tasks (Task 1- Task 18) as a report format and complete the practical tasks in class using Packet Tracer 6.0.1 and also present the report in class using Microsoft Power point.

 

Task 1: 

You are required to find out what types of routers are needed and how many of them are required according to given specification.

Task 2: 

You are required to find out how many switches are needed for this complete project and what type of switches will be suitable for each LAN.

Task 3: 

Establish the sitting and types of terminals, processors and required protocols and architecture based on technical specification and requirements.

Task 4:

Set up the layout of the complete network in simulated environment using Router SIM network visualizer application software. 

Task 5: 

Provide details of complete network LAN and WAN diagrams. You need to provide full details of logical and physical topology you going to use, how you going to connect 7 different LAN across different nations, what transmission media would you will and so on.

Task 6:

Design and calculate IP address scopes for seven global DHCP servers as part of a project to deploy your organisation’s International email system

Task 7:

Install and Configure routers, Switches and assign the Dynamic IP address to the LAN Computers and configure appropriate routing Protocol.

Task 8:

Test the entire network Connection using ping commands.

Task 9:

Configure the telnet in each router using telnet. 

Task 10:

 Shut down all unused port from all switches

Task 11: 

Implement the Access Control list in such a way that Sydney local area Network can’t ping Bombay Local Network but Bombay Local area network can ping Sydney Local area network.

Task 12:

Configure secure shell (SSH) on routers to enable secure management

Task 13: 

Design and calculate IP address for serial and Ethernet interfaces for each routers

Task 14: 

Backup all configuration files in secure place/ FTP Server.

Task 15: 

Determine support and training requirement after implementation.

Task 16: 

Obtain latest technical specification and pricing by contacting possible vendors.

Task 17: 

After completing the project, Create a Sign off sheet that indicate that you have successfully complete network documentation according to organisational standards

Task 18:

Upon completion of your project, you will be required to deliver a 20-minute presentation in class using Microsoft PowerPoint.  

 

 

Answer

Network Diagram



Subnet Allocation

Location: London (LD)

                  Number of IP Required: 495

                  Number of IP Allocated: 510

                  Network Address: 10.0.0.0

                  Subnet Mask: 255.255.254.0

                  IP Range: 10.0.0.1 to 10.0.1.254

                  Broadcast Address: 10.0.1.255


Location: Sydney (SY)

                  Number of IP Required: 450

                  Number of IP Allocated: 510

                  Network Address: 10.0.2.0

                  Subnet Mask: 255.255.254.0

                  IP Range: 10.0.2.1 to 10.0.3.254

                  Broadcast Address: 10.0.3.255


Location: Singapore (SG)

                  Number of IP Required: 190

                  Number of IP Allocated: 254

                  Network Address: 10.0.4.0

                  Subnet Mask: 255.255.255.0

                  IP Range: 10.0.4.1 to 10.0.4.254

                  Broadcast Address: 10.0.4.255



Location: Tokyo (TK)

                  Number of IP Required: 95

                  Number of IP Allocated: 126

                  Network Address: 10.0.5.0

                  Subnet Mask: 255.255.255.128

                  IP Range: 10.0.5.1 to 10.0.5.126

                  Broadcast Address: 10.0.5.127


Location: Sacramento (SC)

                  Number of IP Required: 77

                  Number of IP Allocated: 126

                  Network Address: 10.0.5.128

                  Subnet Mask: 255.255.255.128

                  IP Range: 10.0.5.129 to 10.0.5.254

                  Broadcast Address: 10.0.5.255


Location: Berlin (BR)

                  Number of IP Required: 55

                  Number of IP Allocated: 62

                  Network Address: 10.0.6.0

                  Subnet Mask: 255.255.255.192

                  IP Range: 10.0.6.1 to 10.0.6.62

                  Broadcast Address: 10.0.6.63




Location: Bombay (BB)

                  Number of IP Required: 27

                  Number of IP Allocated: 30

                  Network Address: 10.0.6.64

                  Subnet Mask: 255.255.255.224

                  IP Range: 10.0.6.65 to 10.0.6.94

                  Broadcast Address: 10.0.6.95




Interface Address Allocation

Device Name: LondonRouter

Interface Name: Fast Ethernet 0/0

IP Address: 10.0.0.1

Subnet Mask: 255.255.254.0


Interface Name: Serial 0/0/0

IP Address: 192.168.10.1

Subnet Mask: 255.255.255.252


Interface Name: Serial 0/0/1

IP Address: 192.168.10.5

Subnet Mask: 255.255.255.252





Device Name: BerlinRouter

Interface Name: Fast Ethernet 0/0

IP Address: 10.0.6.1

Subnet Mask: 255.255.255.192


Interface Name: Serial 0/0/0

IP Address: 192.168.10.9

Subnet Mask: 255.255.255.252


Interface Name: Serial 0/0/1

IP Address: 192.168.10.6

Subnet Mask: 255.255.255.252



Device Name: SingaporeRouter

Interface Name: Fast Ethernet 0/0

IP Address: 10.0.4.1

Subnet Mask: 255.255.255.0


Interface Name: Serial 0/0/0

IP Address: 192.168.10.10

Subnet Mask: 255.255.255.252


Interface Name: Serial 0/0/1

IP Address: 192.168.10.13

Subnet Mask: 255.255.255.252


Device Name: SydneyRouter

Interface Name: Fast Ethernet 0/0

IP Address: 10.0.2.1

Subnet Mask: 255.255.254.0


Interface Name: Serial 0/0/0

IP Address: 192.168.10.17

Subnet Mask: 255.255.255.252


Interface Name: Serial 0/0/1

IP Address: 192.168.10.14

Subnet Mask: 255.255.255.252


                  

Device Name: BombayRouter

Interface Name: Fast Ethernet 0/0

IP Address: 10.0.6.65

Subnet Mask: 255.255.255.224


Interface Name: Serial 0/0/0

IP Address: 192.168.10.18

Subnet Mask: 255.255.255.252


Interface Name: Serial 0/0/1

IP Address: 192.168.10.21

Subnet Mask: 255.255.255.252



Device Name: TokyoRouter

Interface Name: Fast Ethernet 0/0

IP Address: 10.0.5.0

Subnet Mask: 255.255.255.128


Interface Name: Serial 0/0/0

IP Address: 192.168.10.25

Subnet Mask: 255.255.255.252


Interface Name: Serial 0/0/1

IP Address: 192.168.10.22

Subnet Mask: 255.255.255.252



Device Name: SacramentoRouter

Interface Name: Fast Ethernet 0/0

IP Address: 10.0.5.129

Subnet Mask: 255.255.255.128


Interface Name: Serial 0/0/0

IP Address: 192.168.10.2

Subnet Mask: 255.255.255.252


Interface Name: Serial 0/0/1

IP Address: 192.168.10.26

Subnet Mask: 255.255.255.252



Basic Configuration

Setting Console Password

LondonRouter#conf t

LondonRouter(config)#line console 0

LondonRouter(config-line)#password cisco

LondonRouter(config-line)#login

LondonRouter(config-line)#exit


Setting Telnet Password

LondonRouter#conf t

LondonRouter(config)#line vty 0 4

LondonRouter(config-line)#password cisco

LondonRouter(config-line)#login

LondonRouter(config-line)#exit



Setting Secret Password

LondonRouter(config)#enable secret class



DHCP Configuration

LondonRouter#conf t

LondonRouter(config)#ip dhcp pool DHCPLondon

LondonRouter(dhcp-config)#network 10.0.0.0 255.255.254.0

LondonRouter(dhcp-config)#default-router 10.0.0.1

LondonRouter(dhcp-config)#exit

LondonRouter(config)#ip dhcp excluded-address 10.0.0.1

LondonRouter(config)#


RIP Configuration


LondonRouter#conf t

LondonRouter(config)#router rip 

LondonRouter(config-router)#version 2

LondonRouter(config-router)#network 10.0.0.0

LondonRouter(config-router)#network 192.168.10.0

LondonRouter(config-router)#network 192.168.10.4

LondonRouter(config-router)#no auto-summary 

LondonRouter(config-router)#exit

LondonRouter(config)#





Show Routing Table





Show DHCP Configuration

From Sacramento,




Testing

Ping from London PC to Tokyo PC





Ping from Sydney PC to Berlin PC




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