Course Outline
Introduction
- Wireshark — more than just a last-resort diagnostic tool
Foundations of Network Troubleshooting
- Root cause analysis methodologies
Installing Wireshark
Key Features of Wireshark
- Navigating the user interface
Capturing Traffic in a Test Environment
- Selecting the appropriate network interface
- Capturing packets on both wired and wireless networks
Analyzing Captured Logs
- Examining HTTP packets
- Reviewing TCP stream interactions
- Exporting logs for offline analysis
Diagnosing Connection Speed Issues with Specific Websites
- Applying display filters
- Interpreting statistical data
Analyzing Traffic by Type
- Covering DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Investigating persistent connection slowdowns
Evaluating Response Times
- Configuring delta time columns
Detecting Virus-Infected Machines
- Analyzing ARP traffic patterns
Identifying Sources of Network Traffic
- Intel ANS probe
- Misconfigured or faulty software causing network flooding
Pinpointing Performance Bottlenecks
- Generating statistical charts and graphs
- Customizing color coding in Wireshark
- Refining traffic views with filters
- Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections in Secured Network Environments
- Handling proxies, firewalls, and client interactions
Optimizing Wireshark Configuration
- Performing non-intrusive analysis
Advanced Troubleshooting Techniques
Summary and Conclusion
Requirements
- A solid understanding of TCP/IP networking principles
Testimonials (7)
Learning about the tool
Arni Josue Quiroz Vivero - Grupo Salinas
Course - Network Troubleshooting with Wireshark
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The laboratories
Carlos Hammurabi Martinez Cruz - Grupo Salinas
Course - Network Troubleshooting with Wireshark
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class and labs.
Ricardo Santiago - Grupo Salinas
Course - Network Troubleshooting with Wireshark
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interaction with the group
MARIO DANIEL PORTILLA HERNANDEZ - Grupo Salinas
Course - Network Troubleshooting with Wireshark
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The practices
Jorge Dante Santiago Estrada - Grupo Salinas
Course - Network Troubleshooting with Wireshark
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The course was very educational with the labs.
Javier Morales Cordova - Grupo Salinas
Course - Network Troubleshooting with Wireshark
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knowledge of the instructor