Network Infrastructure Update: Configuration and Security Implementation

Assignment Task

1. Adding New Locations to Network

Steps

1. In Packet Tracer, open the ITT-116 Final Project pkt File (see 2nd attachment) and save it as firstInitiaLastNameT1AddLocations .

2. Turn off the power in Main-Office-Router and ad 5 NM-1SS serial modules to slots s2/0- s6/0.

3. Configure the slots as follows:

   • The IP address should be 168.255.x for each serial port, where x = the previous serial port address +4 and the mask is 255.255.255.252 [/3, 4 addresses per subnet].
   • Make sure the ports are active [no shutdown].
4. Add a router [PT-Empty is the easiest].
   • Configure it so it has a serial module in S0/0 and a gigabit module in G9/0.
   • S0/0 should have the next address corresponding to its counterpart in Main-Office-
   • G9/0 should have the address 168.x.1, where x = the number of the new location. Number the wired workstations from 2 upwards and the wireless stations from 253 downwards.
   • Be sure to configure WPA2 security with a
   • Repeat these steps for each
   • Select a workstation in the home office Clear the ARP table and ping at least 4 different workstations on 4 different segments on the new part of the network. Then show the ARP table and take a screenshot.

5. Document all the changes and rationales to the network as a summary for management. Include information explaining how networks transfer data, how network protocols (e.g., ARP) work to enable communication, and how the lower-level network layers support the upper

6. From a workstation on Switch-02 in the main location, ping each of the ports of each Copy the pings from the workstation's window and take a screenshot to turn in with the Packet Tracer file. Copy both into the Microsoft Word document saved as firstInitialLastNameT1AddLocations . Also, cop y-paste all the new router, Main-Office- Router, and new switch configurations into the Word document.

2. State of the Network Executive Report

Steps

1. In Packet Tracer, open th e ITT-116 Final Project pkt File (provided in Topic resources).
   • Use Visio to draw the existing network based on the map in the Packet Tracer
   • Modify and update the Visio document for the new
   • Make sure all the subnetworks show clearly with at least 1 workstation on each wireless and wired subnet.
   • Label all the ports and subnetworks with appropriate
   • WAN connections are part of the 168.255.x/30 network. Each network is +4 of the previous one.
   • Each new LAN is 192.168.x.0/24, where x = the number of the location. For example – new location 1 has LAN address of 192.168.1.0. Wired workstations number from 2 upwards and wireless stations number from 253 downwards.
2. Write a report addressed to Management using Word regarding the change in structure and the rationale for how the change was Describe the new structure of the network and rationale for that structure. Include how networks work at the infrastructure, network and applications layers. The length of the report should be words.

Limiting VLANs

Steps

1. In Packet Tracer, open the firstInitialLastNameT1AddLocations file and save it as firstInitialLastNameT2LimitVLANs .

2. Review all VLANs and Previously, we allowed all VLANs to cross all trunks; this will no longer be the case.

3. Only allow VLAN 20, the server farm VLAN, to access Switch-03

4. Only VLAN 1, the Admin VLAN, should be allowed on Switch-02. Modify the trunk port configuration, similar to step 3, to do this. To test that it works, try to ping from the Engineering workstation on Switch-02. It should

5. All other workstations on Switch-02 are to be moved to Switch-01, with Engineering moved to a new switch, Switch-04 on the port where one of the Engineering workstations was Only the Engineering VLAN will be allowed to Switch-04. This is similar to step

6. Make sure the Engineering PCs can obtain an address by DHCP and can ping out.

7. Restrict the remote locations [1 and 2] to their respective

8. From the Sales workstation on Switch-01 in the main location, ping each of the ports of each Unlike Project 1, not all pings are expected to succeed. Note the failures

and whether or not they were supposed to fail. This should note that the VLANs are secure from seeing each other's data. Copy the pings from the workstation's window and make a screenshot to turn in with the Packet Tracer file. Copy both into a Microsoft Word document saved as firstInitialLastNameT2LimitVLANs . Also, copy all the new router, Main- Office-Router, and new switch configurations to the Word document.

Port Security Configuration

Steps 

1. In Packet Tracer, open the firstInitialLastNameT2LimitVLANs file and save it as firstInitialLastNameT2PortSecurity .

2. Review all VLANs and All changes will be made to the main site only, not remote or new locations.

On all switches, at the main location, port security is to be enabled on all access ports. If you did not specify switchport mode access when you set up the port initially, you will have to do

So now and reassign the VLAN. You will know if you get the message - Command rejected: GigabitEthernet1/1 is a dynamic port.

1. Change the MAC address on a computer on the Admin VLAN, simulating the replacement of the computer, and note what Did it remain working? Why or why not? If it stopped working, how do you get it working again?

2. Do the same for a computer on another If the port remains up, try to ping from that workstation. What happens and why do you think it happened?

3. Add 4 workstations to the Main-Router access point VLAN. Ping from each of the workstations in any What happens and why do you think it happened? Did you get the laptops you expected? Why or why not?

4. Document all the changes in a summary for management in a Microsoft Word document, including rationales for all changes, to which you will add the testing in step

5. From a workstation on Switch-01 in the main location, ping each of the ports of each Note any failures and whether or not they were supposed to fail. Copy the pings from the workstation's window and make a screenshot to turn in with the Packet Tracer file. Copy both to a Word document saved as firstInitialLastNameT2PortSecurity. Also, copy all the new router, Main-Office-Router, and new switch configurations into the Word document.

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