CISCO

1. DESCRIPTION OF PACKET TRACER
FILES
NAME : SHREYA DUBEY
BRANCH : ELECTRONICS AND COMMUNICATION
UNIVERSITY ROLL NO. : 2000290310159
EMAIL ID : shreya.2024ec1057@kiet.edu

2. CONTENTS
PRESENT
ATION TITLE 2
• Introduction to packet tracer
• Problem statement
• Ad v anta g e s of Pa c ke t Tr a c e r
• Components
• Solution
• Conclusion

3. INTRODUCTION
•PacketTracerfiles are the file formatused by Cisco
PacketTracersoftware,a networksimulation tool.
•Theycontain the configuration,topology,and settings of a
networksimulation,allowing users to designand test
virtual networks.
•PacketTracerfiles haveextensionssuch as .pkt for
network simulations and .pka for Packet Tracer
activities.
•Theyenable users to create,open,and save network
simulations, facilitating collaboration and knowledge
sharing.
•PacketTracerfiles play a crucialrole in network
educationand training,offering a practical and cost-
effectiveway to learnnetworking concepts.
4

4. Creating and Opening Packet Tracer file
• Launch Cisco Packet T
racer software.
• Click on "File" in the top menu.
• Select "New" to create a new Packet
T
racer file.
• Configure the network topology by dragging and dropping devices from the
device palette.
• Configure device settings and
connections as desired.

5. PRESENT
A
TION TITLE 5

6. PROBLEM STATMENT
Choose a university/college campus and analyze its network
topology. Map the network using Cisco Packet Tracer and
identify the security controls that are in place, such as network
segmentation, intrusion detection systems, firewalls, and
authentication and authorization systems. Apply the knowledge
gained from the NetAcad cyber security course to conduct an
attack surface mapping, aiming to identify potential entry points
for cyber-attacks. Propose countermeasures to mitigate these
risks.

7. COMPONENTS
Network Devices:
Routers,switches, PCs, and other network devices included in the simulation.
Connections:
The links and interfaces that connect the devices and establish communication.
Configurations:
The settings and parameters of each network device.
Simulations Settings: Options such as time settings, simulation mode, and
network behavior.

8. SOLUTION
STEP-WISE SOLUTION:
Campus Network Analysis:
•Select a university or college campus for analysis.
•Gather information about the campus network, including its
layout, devices, and connections.
•Identify the different network segments, such as administrative,
academic, research, and guest networks.
•Note the types of devices used, such as routers, switches, access
points, and servers.
•Document the connectivity between various network components.

9. Configure Configure IP addresses and other necessary parameters on the
devices to reflect the actual network setup.
Establish Establish connections between the devices based on the
gathered information.
Place Place routers, switches, firewalls, and other relevant network
components on the map.
Use Use Cisco Packet Tracer or a similar network mapping tool to
create a visual representation of the network infrastructure.
Mapping Network Mapping:
Attack Surface Mapping:
•Identify potential entry points for cyber-
attacks, such as external-facing devices,
wireless networks, and remote access
services.
•Analyze the network architecture and
design to identify vulnerabilities and
weaknesses, considering factors like
unauthorized access, data breaches, and
network availability.
•Perform network scanning and
vulnerability assessment to identify any
potential weaknesses in the network
infrastructure.
•Determine the likelihood and potential
impact of each vulnerability discovered.
•Prioritize the vulnerabilities based on
their severity and potential impact.

10. Secure Access Controls:
•Implement VLANs (Virtual Local Area Networks) to
segment the network and control traffic flow.
•Deploy intrusion detection and prevention systems
(IDPS) to monitor network traffic for malicious activities
and block or alert on potential threats.
•Utilize virtual private networks (VPNs) to secure remote
access to the campus network.
•Implement firewalls at the network perimeter and
between different network segments to control incoming
and outgoing traffic.
•Implement strong password policies and a centralized
password management system.
•Establish a vulnerability management program to
regularly scan for vulnerabilities and apply patches and
updates.

12. ADVANTAGES OF PACKET TRACER
• They facilitate hands-
on learning by enabling
users to design and
experiment with various
network topologies.
• Packet Tracer files
support self- paced
learning and allow for
the repetition and
reinforcement of
networking concepts. 6
Packet Tracer files allow for
network simulations without
physical equipment, saving costs
and resources.
They provide a safe and controlled
environment for testing and
troubleshooting network
configurations.
Packet Tracer files can be easily
shared, promoting collaboration
and knowledge exchange among
learners and professionals.

13. CONCLUSION
The presentation on Packet Tracer Files provides an
overview of their significance in network simulation and
learning. It covers the definition, benefits, components,
creation, opening, sharing, and best practices for working
with Packet Tracer files. Emphasizing their value,
versatility, and collaborative
potential, the presentation encourages exploration and
utilization of Packet Tracer files for networking projects
and education.

14. Thank you