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Setting up Wired and Wireless LAN in the network


Assessment Details and Submission Guidelines
Unit CodeMN503
Unit TitleOverview of Internet Networking
Assessment TypeIndividual
Assessment TitleNetwork requirement analysis and plan
Purpose of the assessment (with ULO Mapping)This assignment is designed to assess students’ knowledge and skills related to the following learning outcomes:

  1. Analyse and report on the current and future state of the internetworking infrastructure and its applications.
  2. Implement a process to support the administration and management of internetworking.
Weight20% of the total assessments
Total Marks50
Word limit1000 (approximately 4 pages)
Due DateWeek 11, submit report on Moodle, demonstration of the design in Week 11 lab
class.
Submission Guidelines
  • All work must be submitted on Moodle by the due date along with a title Page.
  • The assignment must be in MS Word format, 1.5 spacing, 11-pt Calibri (Body) font and 2.54 cm margins on all four sides of your page with appropriate section headings.
  • Reference sources must be cited in the text of the report, and listed appropriately at the end in a reference list using IEEE referencing style.
Extension
  • If an extension of time to submit work is required, a Special Consideration Application must be submitted directly to AMS. You must submit this application three working days prior to the due date of the assignment. Further information is available at:
http://www.mit.edu.au/about-mit/institute-publications/policies-procedures-and-guidelines/specialconsiderationdeferment
Academic Misconductthe Academic Integrity Section in your Unit Description.

Assignment Description

Project Scope: A typical network layout diagram of an educational consulting firm having 5 departments is given below (for illustrative purposes only). The firm has 5 departments namely, Manager, Consultants, Front desk, Finance and guest. The service requirements are enclose

Network layout of a firm

Figure. Network layout of a firm

Service requirements

  1. 5 departments with 5 networks. Only Manager and Consultants have all the access to the finance department and vice versa. However, Front desk and guests do not have access to finance. Printing services is available to all the departments.
  2. Wireless access is available to all the hosts.
  3. IP network design
  4. Hardware requirements with costs specification
  5. Configuration details on the hardware (Routers and Switches.

Report requirements: The report should have a detail explanation of the planning and designing of network. It is recommended that bullet points are included whenever necessary.

  1. Project Scope
  2. Project requirements
  3. Network design  Consider the human factor design concepts
  4. IP addressing in a tabular form (include justification whenever necessary)
  5. Network topology diagram (Netsim is mandatory)
    • Switch configuration
    • Router configuration
    • Access point and server configuration guidelines
    • Security configuration

Student should show the demo of the network design in Week 11 lab. Work progress and consultation will be done during week 9 and 10. Demonstration marks will be awarded in regards to the stage of the completion of the design

The format of the demonstration will be a) an individual demo, b) at least 3 viva voce questions related to the design, and c) demo and viva voce duration 5  7 mins (at max). The following is to be covered.

  • Demonstration of the network design in Netsim.

Note to the lab tutor: As per the need, the lab tutor can allocate 15 mins in Week 9 and Week 10 for work progression check and consultation.

Answer

Project Scope

In the give task there are 5 departments like Manager, Consultants, Front desk, Finance and guest. There is requirement to configure the networking between the provided departments. As a reference of this task network topology is given, in which, firewall, router, internet service, wireless router, PCs and Wireless client (Laptops) are present. So, it is clear that there is requirement to setup wired as well as wireless LAN in the network. 

Project requirement

To setup the required network, VLAN must be created. Number of departments are 5, so there is requirement to configured 5 VLAN in the network. Each VLAN required different network address. So, to configure the communication between the different network and VLAN, Inter VLAN routing will be required. With the help of wireless access point, Wireless network service can be provided in the network. In this access point SSID, wireless network passphrase, DHCP server will be required to configure. To provide the IP address in the VLAN devices, DHCP server can be configured in the router, so that each VLAN client will be able to receive IP address from the router.

Configuration details on the hardware:

Router configuration detail [1]:

MakeCisco
Series2600
Model2621
Port2 FastEthernet (Modular router) 


Switch configuration details [2]:

MakeCisco
Series2900
Model2960
Port24 port, 2 Gigabyte Ethernet 



Network design

As per the given reference topology and given requirement, all client PC will be connected with network using the L2 manageable switch. To connect with this switch, twisted pair cable with straight through connection will be used. All PCs will be attached to the Ethernet port, this Ethernet will be added to the particular VLAN as per the department of PC. There is no number of hosts given per the network, so assuming there are 16 hosts available for each department, so total 80 hosts system will be there. To connect these 80 systems total 5 switches with 24 port Ethernet port will be required. Form the 5 switch, one switch will become backbone switch. This will be responsible for connection of all other (4) switches. To connect switch with each other, twisted pair cable with cross over connection will be used. To share the VLAN details from one switch to another switch trunk port must be set. So, in backbone switch all the port that are responsible to connect the other switch will be required to set as trunk [3]. 

To provide the communication between the different VLAN, router will be used as gateway for all VLAN. So, the port which is connected with router’s FastEthernet 0/0 interface will be set as trunk.

IP address table

To provide communication between the hosts, IP address will be needed. So, for the local communication class C IP address 192.168.1.0/24 has been choose as it is able to provide maximum 254 usable hosts in the network. So, for this IP address, IP address range for the each department can be given in below table [4]:

DepartmentHostsPossible hosts in segmentNetwork addressIP address rangeBroadcast addressSubnetmask
Manager1632192.168.1.64192.168.1.65 - 192.168.1.94192.168.1.95255.255.255.224
Consultants1632192.168.1.96192.168.1.97 - 192.168.1.126192.168.1.127255.255.255.224
Front desk1632192.168.1.128192.168.1.129 - 192.168.1.158192.168.1.159255.255.255.224
Finance1632192.168.1.160192.168.1.161 - 192.168.1.190192.168.1.191255.255.255.224
Guest1632192.168.1.192192.168.1.193 - 192.168.1.222192.168.1.223255.255.255.224
Wireless5064192.168.1.0192.168.1.1 - 192.168.1.62192.168.1.63255.255.255.192


In the above table, network address, IP address range, broadcast address and a Subnetmask detail has been provided. But while assigning the IP address for the department only IP address from the range column and subnet mask will be used.  The wireless network requirement is assumed as 50, but based on the requirement the above table can be vary. 

Network topology diagram

Network topology diagram

Network topology diagram for the asked network is shown as above. This diagram was created with the help of netsim. As a manageable switch, cisco 2960 was used and as a router, cisco 2621 router was taken. Department wise PC is labelled in above diagram. For the example, with switch1 manager PC1 and Consultants PC1 are connected. In every switch, ports are added to VLAN according to the department. 

Switch configuration:

Setting up hostname of the switch:

Switch(config)#hostname switch1

Switch1(config)#

Setting up hostname of the switch

Setting up privilege password in switch:

To set password as cisco “enable secret cisco” command is used. 

 setting password as cisco

Creating VLAN in switch:

Switch1(config)#vlan 10

Here, vlan ID is 10.

Creating VLAN in switch

Adding port fast Ethernet 0/1 to VLAN 10:

Switch(config)#int fa 0/1

Switch(config-if)#switchport access vlan 10

Above command will add the port fa 0/1 to the vlan 10.

Adding port fast Ethernet 0/1 to VLAN 10

Similarly, adding fa 0/3 to vlan 20:


Similar to switch1, all other switch can be configured.

Adding fa 0/3 to vlan 20

Setting up trunk interface in backbone switch:

Setting fa 0/1 of backbone switch as trunk:

backbone(config)# int fa 0/1

backbone(config-if)#switchport mode trunk 

Setting up trunk interface in backbone switch


Now, setting a rage of IP as trunk :

backbone(config)# int range fa 0/1-6

backbone(config-if-range)#switchport mode trunk 

 Setting a rage of IP as trunk

To save the configuration, “write memory” command in privilege mode will be used. 

Switch1#write memory

This will copy all running configuration from the RAM to start up configuration 

configuration from the RAM to start up configuration

Router configuration:

Setting a hostname in router as router1:

Router(config)#hostname router1

Above command will set router name as router1

Command for router name as router1

Setting up privilege mode password similar to switch:

Privilege Mode Password

To perform the inter VLAN routing fa 0/0 interface port of router must be up [5]:

To enable the port “no shutdown” command will be used as below:

no shutdown command

After changing state of physical interface to up, sub interface can be created as below:

Router1(config)#int fa 0/0.10

Router1(config-sub-if)#encapsulation dot1q 10  

#here 10 is VLAN id

Router1(config-sub-if)#ip address 192.168.1.65 255.255.255.224

#here, ip address of this interface will be set as 192.168.1.65

Setting ip address of this interface


Similarly to the fa 0/0.10 sub interface, other sub interface can be configured as below:

 sub interface

To save the configuration, write memory command will be used as below:

To save the configuration, write memory command

Access point guidelines

The IP address of the Access must be a member of network, so that it can resolve the internet from the gateway router. Appropriate SSID, encryption method as WPA2, DNS server will be required to configure in the wireless AP configuration. 

Server configuration guidelines:

As per the given details, there is no any mention of server. But as there is printer, assuming there is requirement of print server. For the Microsoft server will be required to install and this server must be configured with print server to provide the service of printer.  It is recommended to us AD DS server role also, which can be used to control the client PC in the network.

Security configuration

For the privilege mode security password has been set as below:

For the privilege mode security password

The port of the switch can be secure by implementing port security in the switch as below:

Interface fa 0/20 

#selects port, before implementing port security 

Switchport port-security

#this will enable the port security option in selected port

Switchport port-security maximum 1

#this will allow only one MAC address through the specified port

Switchport port-security violation shutdown

Switchport port-security violation shutdown

#if there is violation of security policy than specified port will be shutdown 

Conclusion

Network configuration can be done by implementing network switch, routers and wireless AP. But during the set up process there is requirement to check the physical connection. To check the same, LAN cable tester is available to check the physical connection. After that switch will be configured with VLAN and trunk port for providing VLAN service in the network, and the security of the device can be ensure by implementing port security in the switch. Router will play the role of routing as well as the gateway of the given network. 


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