The title of this class is: "Network Troubleshooting from Scratch" and was taught by Jasper Bongertz. This was recorded on July 12th in Kansas City, MO. https://sharkfestus.wireshark.org/ Subscribe to our channel for tons of free Wireshark educational content. To attend a live SharkFest and to learn Wireshark with packet analysis experts, visit: https://sharkfest.wireshark.org/ and https://sharkfesteurope.wireshark.org/. SharkFest™, launched in 2008, is a series of annual educational conferences staged in various parts of the globe and focused on sharing knowledge, experience and best practices among the Wireshark® developer and user communities. SharkFest attendees hone their skills in the art of packet analysis by attending lecture and lab-based sessions delivered by the most seasoned experts in the industry. Wireshark core code contributors also gather during the conference days to enrich and evolve the tool to maintain its relevance in ensuring the productivity of modern networks. SharkFest’s aim is to support ongoing Wireshark development, to educate and inspire current and future generations of computer science and IT professionals responsible for managing, troubleshooting, diagnosing and securing legacy and modern networks, and to encourage widespread use of the free analysis tool. Per Gerald Combs, Wireshark project Founder …“Wireshark is a tool and a community. My job is to support both." https://twitter.com/wiresharkfest Chapters: 0:00 Intro 1:56 Principles of Troubleshooting 7:12 Troubleshooting Goals 10:28 Establishing Connection State 19:00 Time to live/Hop Count 30:46 Real World Scenario 1: "Evil Firewall" 56:45 Scenario 1 Conclusion 58:33 Connection Breakdown 1:01:01 Real World Scenario 2: "We have a problem" 1:08:22 Q&A