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🚀 Network Engineering
- Network Engineer Overview
- Key Responsibilities
- Lab Repository
- Recommended Certifications
- Career Opportunities
A Network Engineer is a technical specialist responsible for the design, implementation, configuration, and maintenance of an organization’s network infrastructure. Their work ensures the reliable operation, security, and scalability of both internal and external communications systems, including Local Area Networks (LANs), Wide Area Networks (WANs), intranets, and cloud-based networks.
| Responsibility | Description |
|---|---|
| Network Architecture | Designing and deploying network systems aligned with business and technical requirements. |
| Configuration & Management | Installing and configuring routers, switches, and firewalls to ensure optimal performance. |
| Monitoring & Optimization | Monitoring traffic and performance to identify bottlenecks and improve efficiency. |
| Security Enforcement | Implementing security protocols and measures to safeguard network integrity and data. |
| Troubleshooting & Support | Diagnosing and resolving connectivity issues, outages, and service degradation. |
| Documentation | Maintaining detailed records of network configurations, topologies, and policies. |
This repository contains 31 hands-on labs. Each lab focuses on a different concept, tool, or technology. Below is a quick reference table with links to each lab folder.
| Lab No. | Lab Name | Description | Folder Link |
|---|---|---|---|
| 1 | Lab 01 | References for all Labs | LAB01 |
| 2 | Lab 02 | 🧰 Foundational Switch Configuration Lab (Hostname, Passwords, VLAN Interface) | LAB02 |
| 3 | Lab 03 | 🔌 Layer 2 Networking Lab: Switches, Hubs & Hosts Configuration and TELNET | LAB03 |
| 4 | Lab 04 | 🧠 MAC Learning & ARP Resolution in a Multi-Switch Ethernet Lab | LAB04 |
| 5 | Lab 05 | 🔀 Basic Network Segmentation with Static Routes and Switches | LAB05 |
| 6 | Lab 06 | 🔁 Three-Router Interconnection with Independent LANs | LAB06 |
| 7 | Lab 07 | 🛣️ Asymmetric Static Routing Lab with Dual LANs and 3 Routers | LAB07 |
| 8 | Lab 08 | 📦 Point-to-Point Interconnection with Static Forward & Return Routing | LAB08 |
| 9 | Lab 09 | 🌐 L3 Switch-Based Routing Topology with Redundant Router Paths | LAB09 |
| 10 | Lab 10 | 🛠️ Advanced Routing Infrastructure: Layer 3 Switch as Core Gateway | LAB10 |
| 11 | Lab 11 | 🧪 Static Routing Between Two Routers with Subnetting Based on Host Requirements | LAB11 |
| 12 | Lab 12 | 🚌 Static Routing Lab with 7 Routers in a Bus Topology | LAB12 |
| 13 | Lab 13 | 📦 Application Layer (Layer 7 - OSI Model) | LAB13 |
| 14 | Lab 14 | 📥 View MAC Address Table (Switch CLI, netstat, Wireshark, traceroute) | LAB14 |
| 15 | Lab 15 | 🔐 Telnet vs SSH – In-Depth Overview | LAB15 |
| 16 | Lab 16 | 🔐 Telnet vs SSH – In-Depth Overview | LAB16 |
| 17 | Lab 17 | 🔌 Port Security on Switch Ports (Static, Dynamic, Sticky + Violations) | LAB17 |
| 18 | Lab 18 | 🔌 Port Security on Switch Ports (Static, Dynamic, Sticky + Violations) | LAB18 |
| 19 | Lab 19 | 🛠️ Multilayer Switch Configuration Guide and VLAN | LAB19 |
| 20 | Lab 20 | 📡 VLAN Configuration and Trunking Using a Cisco Layer 2 Switch | LAB20 |
| 21 | Lab 21 | 🌐 VLANs Explained: Logical Grouping Beyond Physical Boundaries | LAB21 |
| 22 | Lab 22 | 🔷 VTP – VLAN Trunking Protocol | LAB22 |
| 23 | Lab 23 | 📡 Interconnected VLANs over Bus Topology with VTP and Multilayer Switches | LAB23 |
| 24 | Lab 24 | 🧪 VLAN Routing Lab – Cisco Packet Tracer (3 Methods) | LAB24 |
| 25 | Lab 25 | Add description here | LAB25 |
| 26 | Lab 26 | Add description here | LAB26 |
| 27 | Lab 27 | Add description here | LAB27 |
| 28 | Lab 28 | Add description here | LAB28 |
| 29 | Lab 29 | Add description here | LAB29 |
| 30 | Lab 30 | Add description here | LAB30 |
| 31 | Lab 31 | 🌐 RIP (Routing Information Protocol) – Overview | LAB31 |
| 32 | Lab 32 | 🔁 OSPF (Open Shortest Path First) Routing – Overview and Configuration Guide | LAB32 |
| 33 | Lab 33 | 🛰️ Mastering OSPF: ABR, ASBR, LSDB, SPF, and More | LAB33 |
| 34 | Lab 34 | 🧠 L2 Switch + VLANs + OSPF: Conceptual Clarity | LAB34 |
| 35 | Lab 35 | 📡 Advanced Routing and Switching: Multi-Area OSPF with Inter-VLAN Communication | LAB35 |
| 36 | Lab 36 | 🧱 OSPF Configuration Lab: DR/BDR, Hello/Dead Intervals, MD5 Authentication, and Interface Costs | LAB36 |
| 37 | Lab 37 | 🔁 Limiting Network Access to Trusted Subnets with Standard ACLs | LAB37 |
| 38 | Lab 38 | 🔐 Extended Access Control Lists (ACLs) - Step-by-Step Guide | LAB38 |
| 39 | Lab 39 | ⚙️ Full Cisco Configuration Guide: VLAN Setup, Layer 3 Routing, VTP Modes, and Extended ACLs | LAB39 |
| 40 | Lab 40 | 🌐 Mastering DHCP: From Basics to Advanced Network Scenarios | LAB40 |
| 41 | Lab 41 | 🧠 Multi-Subnet Dynamic IP Network with Static Routing and Simulated Service Infrastructure (DNS, FTP, Mail, Instagram) | LAB41 |
| 42 | Lab 42 | ⭐ DHCP Server Configuration – Setup for dynamic IP address allocation | LAB42 |
| 43 | Lab 43 | 🧠 Spanning Tree Protocols (STP) – Technical Documentation | LAB43 |
| 44 | Lab 44 | 🔌 Link Aggregation (EtherChannel) in Cisco Packet Tracer | LAB44 |
| 45 | Lab 45 | 🛰️ Enhanced Interior Gateway Routing Protocol (EIGRP) | LAB45 |
| 46 | Lab 46 | 📡🌐 Multi-Protocol Inter-VLAN Routing and Redistribution Topology | LAB46 |
- Cisco Certified Network Associate (CCNA)
- Cisco Certified Network Professional (CCNP)
- CompTIA Network+
- Certified Information Systems Security Professional (CISSP) – for security-focused engineers
Network engineers are in demand across diverse sectors, including
- Financial services and banking institutions
- Telecommunications and ISPs
- Government and defense agencies
- Cloud infrastructure and SaaS providers
- Large-scale enterprise IT departments
Email: Send us your inquiries or support requests at business.alpamis@gmail.com. Website: Visit the official Abblix OIDC Server page for more information: ADN-SPACE.
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We look forward to assisting you and ensuring your experience with our products is successful and enjoyable!