Hi, I'm Gagan Bista

I'm an aspiring network and cybersecurity professional with a background in tech support at WorldLink Communications. I'm CCNA certified and working on home lab projects in networking, VPNs, firewalls, and penetration testing.

My Skills

• Cisco Routing and Switching
• Network Troubleshooting
• VPNs & Firewalls
• Linux CLI
• Wireshark & Nmap
• Ethical Hacking Fundamentals

Current Projects

• Simulated enterprise network (VLANs, routing) using Packet Tracer
• VPN setup demo
• Basic penetration testing lab with Nmap

Check out my repositories below!

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Enterprise Network Simulation – Cisco Packet Tracer

This lab project simulates an enterprise network using:

• VLANs and Inter-VLAN Routing
• Static Routing
• DHCP Configuration

Tools Used:

• Cisco Packet Tracer
• Cisco IOS CLI

Objectives:

• Create 3 VLANs (HR, Sales, Admin)
• Configure static routing between subnets
• Enable DHCP for all VLANs

How to Use:

1. Download the .pkt file.
2. Open with Cisco Packet Tracer.
3. View and test the network configurations (VLANs, routing).

Skills Demonstrated:

• Network design and simulation
• Subnetting and VLAN configuration
• Routing and DHCP configuration