Mastering Networking: From OSI Basics to Routing and switching
This Learning Path introduces you to the foundational concepts of networking, starting with the OSI model and progressing through key topics like IP addressing, subnetting, switching, and routing. Through a series of hands-on labs, you'll gain practical experience in configuring and troubleshooting network devices, preparing you for real-world scenarios in modern networking environments.
About The Learning path
Audiences
Learning Path Flow:
Lab Architecture:
This Hands-on Training provides simulations of fundamental networking concepts and topics such as network topologies, wired and wireless LANs, and various protocols across the OSI model. Participants will acquire necessary methodologies for detecting and troubleshooting issues throughout diverse scenarios involving server-client interactions, VLANs, subnetting, and other pertinent aspects.
Lab Objectives:
- Gain a comprehensive understanding of network fundamentals, including the identification of network topologies such as point-to-point, bus, star, ring, tree, mesh, or hybrid, along with a detailed examination of their components.
- Explore Local Area Networks (LANs), Wireless LANs (WLANs), and Wide Area Networks (WANs) through simulated environments, facilitating a nuanced comprehension of the distinctions between each network type.
- Familiarize participants with essential concepts such as hosts, network card types, Ethernet cables, cabling standards, CSMA/CD, MAC addresses, MAC tables, bits, bytes, and related topics.
- Differentiate between hubs and switches by employing network simulations, offering a practical demonstration of their functionalities.
- Implement VLANs and subnetting by following step-by-step guides within simulated scenarios.
- Illustrate the process of data transmission encapsulation and decapsulation by analyzing frames and packets at various levels of the OSI model.
- Introduce participants to IPv4/IPv6 addresses, covering both manual and dynamic addressing within a cohesive addressing scheme.
- Explore key protocols, including DHCP, ARP, Neighbor Discovery Protocol, DHCPv6, and ICMP.
- Develop proficiency in ICMP troubleshooting through realistic use cases.
- Familiarize participants with UDP and TCP, understanding their roles in network communication.
- Introduce DNS, SMTP, HTTP, TELNET, SSH, FTP, TFTP, and firewalls through hands-on applications and use cases.
- Troubleshoot and resolve common issues in LANs and WLANs by replicating scenarios in simulations, applying best practices and a systematic methodology.
- Learn to monitor LAN and WLAN connectivity, bandwidth, DNS, and other relevant parameters.
- Acquire skills in using Wireshark to capture and analyze network traffic for diagnostic and optimization purposes.
- Guide your understanding of the end-to-end network packet journey by following the ISO/OSI model layer by layer.
Lab Architecture:
This Hands-on Training consists of a simulated network environment with routers, switches, and hosts connected through ethernet links.
Lab Objectives:
- Understand the role of a switch.
- Understand the role or a router.
- L2 configuration with OVS: switching, VLAN andSTP.
- L3 configuration: static routing, dynamic routing and external routing.
- Understand L4 protocols: TCP and UDP.
- Introduction to network automation (preparation to Network Level 2 Lab).
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