World of Computer Networking Your CCNA start - Summary of End-to-End Internet Protocol (IP) Packet Transmission Example

The video tutorial explains the process of sending an IP packet from PC-1 to PC-2. It covers how switches perform MAC address table lookups without modifying the Ethernet frame, and how the router processes the packet by examining the IP header and adding a new datalink header. The tutorial also discusses the return packet process and introduces the concept of routing with multiple routers.

What happens to the IP packet before it is sent via the Gigabit interface?

What similarities exist in the actions performed by network devices when PC-2 sends a packet back to PC-1?