Network Topology Generation and Configuration Project

📌 Project Information

• Author: Amit Kumar
• Date: 18/08/2025
• Internship: CISCO Virtual Internship 2025
• Domain: Networking Essentials

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📖 Introduction

This project aims to develop a tool for automatically generating a hierarchical network topology from router configuration files.
It addresses key areas such as:

• Network performance
• Load management
• Configuration validation
• Network simulation

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🎯 Objectives

• Create a hierarchical network topology based on router configurations
• Validate network configurations and identify potential issues
• Simulate network activities and test connectivity

🖧 Network Design

Components

• Routers: R1, R2, R3
• Switches: Switch1, Switch2
• End Devices: PC1, PC2, PC3, PC4, Server

Topology Diagram

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⚙️ Configuration Details

Router Configurations

Router R1

 enable
 configure terminal
 hostname R1
 interface g0/0
 ip address 192.168.1.1 255.255.255.0
 no shutdown
 interface g0/1
 ip address 192.168.2.1 255.255.255.0

Router R2

 enable
 configure terminal
 hostname R2
 interface g0/0
 ip address 192.168.1.2 255.255.255.0
 no shutdown
 exit

Router R3

 enable
 configure terminal
 hostname R3
 interface g0/0
 ip address 192.168.2.1 255.255.255.0
 no shutdown
 exit

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Switch Configurations

Switch S1

 enable
 configure terminal
 hostname Switch1
 interface vlan 1
 ip address 192.168.1.10 255.255.255.0
 no shutdown
 interface range fa0/1 - 2
 switchport mode access
 switchport access vlan 10
 interface range fa0/3 - 4
 switchport mode access
 switchport access vlan 20
 exit

switch S2

 enable
 configure terminal
 hostname Switch2
 interface vlan 1
 ip address 192.168.2.10 255.255.255.0
 no shutdown
 interface range fa0/1 - 2
 switchport mode access
 switchport access vlan 10
 interface range fa0/3 - 4
 switchport mode access
 switchport access vlan 20
 exit

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End Device Configurations

PC1:

IP 192.168.1.20,   Subnet Mask 255.255.255.0,   Gateway 192.168.1.1

PC2:

IP 192.168.1.21,   Subnet Mask 255.255.255.0,   Gateway 192.168.1.1

PC3:

IP 192.168.2.20,   Subnet Mask 255.255.255.0,   Gateway 192.168.2.1

PC4:

IP 192.168.2.21,   Subnet Mask 255.255.255.0,   Gateway 192.168.2.1

Server:

IP 192.168.2.30,   Subnet Mask 255.255.255.0,   Gateway 192.168.2.1

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🔍 Testing Connectivity

Ping Tests

From PC1 → PC2

ping 192.168.1.21

From PC3 → Server

ping 192.168.2.30

Traceroute Test

From PC3 → Server

tracert 192.168.2.30

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✅ Conclusion

The project successfully demonstrates:

Generating a hierarchical network topology

Validating configurations

Testing connectivity among devices

The configurations align with the project requirements, ensuring a functional and reliable network environment.

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🚀 Future Enhancements

Automating configuration file parsing

Adding visualization tools for topology generation

Integrating network monitoring features