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juancveg/README.md

Hi, I'm Juan Vega 👋

Systems Engineering student (10th semester) at Universidad Simón Bolívar, Barranquilla, with Cisco-backed expertise in routing & switching, VLAN segmentation, IP subnetting (VLSM), and network security (ACLs, Port Security). Skilled in diagnosing connectivity issues and analyzing network traffic with Python. Currently expanding into cloud environments and cybersecurity. Open to new opportunities — presential, remote, or hybrid.

🛠 Tech Stack

Networking & Protocols TCP/IP Cisco VLANs Security VLSM DHCP/DNS

Network Monitoring & Scripting Python Scanning

Systems & Virtualization Linux VirtualBox

Databases & Cloud MySQL Oracle Cloud

Currently Learning Cybersecurity

🚀 Featured Projects

TechNova VLAN Lab

Cisco Packet Tracer lab designing a segmented corporate network for a fictional company: 3 VLANs with inter-VLAN routing (router-on-a-stick), IP addressing via VLSM, DHCP per VLAN, an internal DNS/HTTP server, and Layer 2/3 security hardening (Port Security + extended ACLs). All results validated through reproducible connectivity tests. Cisco Packet Tracer VLANs VLSM DHCP DNS ACLs Port Security

Network Analyzer Dashboard

Network scanning and analysis tool in Python combining ARP table reads and multithreaded ICMP sweeps to detect active nodes on a local network, with an automated VLSM subnet calculator and an interactive HTML dashboard for real-time connectivity diagnostics. Python ARP/ICMP VLSM Networking Multithreading

📜 Certifications

  • Cisco Networking Academy — Cisco Networking Basics (2026)
  • EF SET English Certificate — B2 Upper Intermediate (2026)
  • Capacítate para el Empleo — Administrador de Bases de Datos (2025)

📫 Contact

LinkedIn GitHub Portfolio Email WhatsApp

Popular repositories Loading

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