Troubleshooting Slow Networks with Wireshark
Tired of dealing with slowness on networks? Grab a copy of Wireshark and follow along as you dive into packet data to investigate the root cause of many network and application performance problems.
What you'll learn
It's easy for network admins to become bogged down in slow networks. In this course, Troubleshooting Slow Networks with Wireshark, you will learn to capture and interpret network packet data to solve performance problems. First, you will learn how and where to properly capture packets with Wireshark. Next, you will discover how to measure network and application response time. Finally, you will explore how to use built-in features in Wireshark designed to quickly spotlight performance problems. When you’re finished with this course, you will have the skills and knowledge with Wireshark needed to resolve these network problems for good.
Table of contents
- How Packets Are Encapsulated 6m
- Demo: Dissect a Packet in Wireshark 6m
- Identifying Client Conversations 2m
- Demo: Analyze Client Conversations 5m
- Creating and Applying Display Filters 2m
- Demo: Creating and Applying Display Filters 5m
- Top 10 Wireshark Filters for Analysis 1m
- Demo: Top Display Filters 7m
- Analyzing End User and Application Behavior 4m
- Measuring DNS Response Time 3m
- Demo: Measuring DNS Response Time with Wireshark 8m
- Exercise: Measure Your Local DNS Response 1m
- Measuring Network Latency 2m
- Demo: Measuring Network Latency with Wireshark 6m
- Exercise: Measure Your Local Network Delay 0m
- Measuring Application Response Time 4m
- Demo: Measuring Application Response Time with Wireshark 5m
- Packet Loss 4m
- Demo: Identifying Network Packet Loss with Wireshark 6m
- Network Congestion 3m
- Demo: Identifying Network Congestion with Wireshark 5m
- Slow Application Response Time 1m
- Demo: Identifying Slow Application Response Time with Wireshark 3m
- Busy Servers 2m
- Demo: Identifying Busy Servers with Wireshark 5m
- Poorly Written Applications 2m
- Demo: Investigating High Application Turns with Wireshark 4m
- TCP Protocol Issues 4m
- Demo: Identifying TCP Protocol Issues with Wireshark 10m
About the author
Chris Greer is a network analyst for Packet Pioneer, delivering training and packet analysis consulting services to customers all over the world. He specializes in using Wireshark to combat network and application performance problems on networks of all sizes. Chris leverages his 20 years of practical experience in network monitoring, analysis, and troubleshooting to heighten the experience of any attendee to his interactive and energetic courses. When he is not digging deep into packets or te... more