network between 3 buldings by cisco packet tracer

This project focuses on designing and implementing a scalable enterprise network infrastructure that connects three buildings, each consisting of three floors. The main objective was to ensure that every floor operates within its own isolated network for better security and traffic management, while still allowing controlled communication between the same floors across different buildings.

To achieve this, VLAN technology was used to segment the network and logically separate users on each floor. Inter-VLAN routing was then configured to allow communication between corresponding floors in different buildings while maintaining proper network organization.

The network design also included a structured IP addressing and subnetting scheme to ensure scalability and efficient resource management. In addition, several essential network services were deployed, including a DHCP server for automatic IP address assignment, a DNS server for domain name resolution, and enterprise-level services such as web, mail, and file servers to simulate a real-world business environment.

To enhance network security, Access Control Lists (ACLs) were implemented to regulate traffic between VLANs and ensure that only authorized communication is allowed.

Overall, this project provided practical experience in enterprise network design, configuration, and security implementation, demonstrating how structured networks can be built to achieve efficiency, scalability, and controlled communication.