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Duration 21 hours
Course Outline
Introduction
- Wireshark -- more than just a last-resort tool
Foundations of Network Troubleshooting
- Root cause analysis
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 bidirectional TCP streams
- Exporting logs for offline review
Analyzing Connection Speed Issues for Specific Websites
- Applying filters
- Interpreting statistics
Analysis Based on Traffic Type
- DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Diagnosing consistent slowness over extended periods
Assessing Response Times
- Configuring delta time columns
Detecting Virus-Infected Machines
- Analyzing ARP traffic
Investigating Sources of Network Traffic
- Intel ANS probe
- Misconfigured or faulty software (network flooding)
Identifying Performance Issues
- Generating statistical charts and graphs
- Customizing color schemes in Wireshark
- Filtering specific traffic
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting in Secured Network Environments
- Working with proxies, firewalls, and clients
Optimizing Wireshark Configuration
- Non-intrusive analysis
Troubleshooting
Summary and Conclusion
Requirements
- A solid understanding 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.
