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Abstract Nirmal

This project outlines the design and implementation of a scalable enterprise network for multi-branch organizations, utilizing Cisco Packet Tracer and EVE-NG. It incorporates a hierarchical network model with VLAN segmentation, inter-VLAN routing, DHCP configurations, and advanced security measures including firewalls and VPNs. The project aims to ensure seamless communication, collaboration, and robust security across multiple branch offices while optimizing network performance.

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Nirmal Mohan
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16 views1 page

Abstract Nirmal

This project outlines the design and implementation of a scalable enterprise network for multi-branch organizations, utilizing Cisco Packet Tracer and EVE-NG. It incorporates a hierarchical network model with VLAN segmentation, inter-VLAN routing, DHCP configurations, and advanced security measures including firewalls and VPNs. The project aims to ensure seamless communication, collaboration, and robust security across multiple branch offices while optimizing network performance.

Uploaded by

Nirmal Mohan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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This project focuses on the design and implementation of a Scalable Enterprise Network

for Multi-Branch organization to support seamless communication and collaboration across


multiple branch offices. Leveraging Cisco Packet Tracer and EVE-NG, the project adopts a
hierarchical network design model to ensure scalability, high availability, and efficient
resource utilization. The network topology integrates core, distribution, and access layers,
with proper cabling and basic device configurations to create a reliable foundation. VLAN
segmentation is utilized to isolate traffic, with both data and voice VLANs configured and
ports assigned accordingly. Subnetting and IP addressing are meticulously planned to
optimize network performance and minimize conflicts. Inter-VLAN routing is implemented
using both Switch Virtual Interfaces and Router-on-a-Stick methods to ensure smooth
communication between VLANs.

Advanced network configurations include the use of a dedicated DHCP server for dynamic IP
allocation in data VLANs, and routers configured as DHCP servers for voice VLANs to
support IP telephony. EtherChannel with LACP is deployed for link aggregation, enhancing
bandwidth and fault tolerance. Secure remote access is achieved using SSH, with access
restrictions enforced via standard ACLs on VTY interfaces. To enable efficient inter-branch
communication, OSPF is configured as the dynamic routing protocol. Additionally, Port
Address Translation is implemented for NAT, with ACLs ensuring secure and controlled
access. VoIP services are configured on routers for seamless voice communication, while
site- to-site IPsec VPNs are deployed to secure inter-branch connectivity over public
networks.

To fortify network security, a Cisco ASA Firewall is configured for traffic filtering, and a
Palo Alto Firewall is used for defining security zones, managing network objects, and
implementing inspection policies. ISP routers are configured for external connectivity, with
static routing and inspection policies ensuring proper traffic management. The entire
implementation is rigorously tested to validate network communication, ensuring the design
meets enterprise requirements for scalability, security, and reliability. This project serves as a
comprehensive guide to building a robust network infrastructure for multi-branch
organizations, addressing both current and future needs.

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