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Course Outline
Introduction
- Wireshark as more than just a final diagnostic tool
Foundations of Network Troubleshooting
- Root cause analysis methods
Installation of Wireshark
Key Features of Wireshark
- Navigating the user interface
Capturing Traffic in a Test Setting
- Choosing the appropriate network interface
- Recording packets on wired and wireless connections
Log Analysis
- Examining HTTP packets
- Reviewing bidirectional TCP streams
- Exporting logs for offline review
Analyzing Connection Speed Issues for Specific Sites
- Applying filters
- Interpreting statistical data
Analysis by Traffic Category
- Protocols including DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Diagnosing persistent slow connections
Evaluating Response Times
- Configuring delta time columns
Identifying Virus-Infected Devices
- Analyzing ARP traffic patterns
Tracing Network Traffic Sources
- Intel ANS probe
- Software faults or misconfigurations causing network flooding
Isolating Performance Bottlenecks
- Generating statistical charts and graphs
- Customizing color coding in Wireshark
- Filtering specific traffic
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Resolving Connection Issues in Secured Environments
- Handling proxies, firewalls, and clients
Optimizing Wireshark Configuration
- Performing non-intrusive analysis
Troubleshooting Procedures
Recap and Concluding Remarks
Requirements
- A solid grasp of TCP/IP networking fundamentals
21 Hours
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.