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Course Outline
Introduction
- Wireshark: More than a last-resort diagnostic tool
Foundations of Network Troubleshooting
- Root cause analysis methodology
Installation of Wireshark
Overview of Wireshark Capabilities
- Navigating the user interface
Capturing Traffic in a Test Environment
- Selecting the appropriate network interface
- Capturing packets on both wired and wireless networks
Log Analysis
- Examining HTTP packets
- Reviewing bidirectional TCP streams
- Saving logs for offline review
Analyzing Connection Speed Issues for Specific Websites
- Applying filters
- Interpreting statistical data
Analysis by Traffic Type
- Covering DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Addressing consistent slow connections over extended periods
Response Time Verification
- Configuring delta time columns
Detecting Virus-Infected Machines
- Analyzing ARP traffic
Identifying Traffic Sources
- Intel ANS probes
- Malfunctioning or misconfigured software causing network flooding
Pinpointing Performance Bottlenecks
- Generating statistical charts and graphs
- Utilizing color coding in Wireshark
- Filtering specific traffic
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting in Secured Network Environments
- Managing proxies, firewalls, and clients
Optimizing Wireshark Configuration
- Conducting non-intrusive analysis
Troubleshooting Workflows
Summary and Conclusion
Requirements
- Familiarity with TCP/IP networking principles
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.
