Network Fundamentals 7-10: Layer 2 and Layer 3 Walk-through
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🌐 Layer 2 and Layer 3 Walkthrough: Explore the intricacies of data transmission through layers 2 and 3 of the OSI model, providing a comprehensive summary of the process from source to destination.
📡 Network Communication Initiation: Understand the initial steps taken by a machine to determine whether the destination IP address is local or remote, utilizing subnet masks and logical operations like ANDing to ascertain network membership.
🔒 ARP Resolution and Frame Formation: Delve into the Address Resolution Protocol (ARP) process, where machines resolve IP addresses to MAC addresses to facilitate communication. Learn how ARP requests are broadcasted and responses are received, forming the foundation for frame assembly.
🖧 Switch Operation and MAC Address Learning: Gain insights into how switches maintain MAC address tables, associating MAC addresses with specific switch ports to optimize frame forwarding within the network.
🔍 Router Routing Table Lookup: Explore how routers utilize routing tables to determine the best path for packet forwarding based on destination IP addresses, employing techniques such as longest match lookup to select the appropriate next hop.
🔒 Frame Forwarding and MAC Address Resolution: Witness the forwarding of frames by routers, involving ARP resolution to determine the MAC address of the next hop router interface, enabling seamless frame delivery across networks.
🌐 End-to-End Data Transmission: Experience the end-to-end data transmission process, encompassing frame encapsulation, routing table lookups, frame forwarding, and protocol-specific adjustments to ensure reliable communication between source and destination.
🚀 Network Speed and Efficiency: Appreciate the rapidity and efficiency with which data travels across networks, enabled by streamlined protocols, efficient addressing schemes, and optimized routing decisions.
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