Course Outline
Introduction
- Wireshark as more than 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 wired and wireless networks
Log Analysis
- Examining HTTP packets
- Reviewing TCP stream exchanges
- Saving logs for offline review
Diagnosing Connection Speed Issues with Specific Websites
- Applying filters
- Interpreting statistics
Analysis by Traffic Type
- Examining DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS traffic
- Investigating persistent connection slowdowns
Verifying Response Times
- Configuring delta time columns
Identifying Virus-Infected Machines
- Analyzing ARP traffic
Tracing Sources of Network Traffic
- Intel ANS probes
- Broken or misconfigured software (network flooding)
Isolating Performance Issues
- Generating statistical charts and graphs
- Customizing colors in Wireshark
- Filtering specific traffic
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections in Secure Network Environments
- Managing proxies, firewalls, and clients
Optimizing Wireshark Configuration for Performance
- Non-intrusive analysis techniques
Troubleshooting Practices
Summary and Conclusion
Requirements
- A solid grasp of TCP/IP networking principles
Testimonials (3)
knowledge of the instructor
Grzegorz - Centrum Informatyki Resortu Finansow
Course - Network Troubleshooting with Wireshark
skills of wireshark
Adam - Centrum Informatyki Resortu Finansow
Course - Network Troubleshooting with Wireshark
Quality of explanation of program operation and analysis of various cases.
