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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 methodologies
Installing Wireshark
Key Features of Wireshark
- Interface navigation and usability
Traffic Capture in Test Environments
- Network interface selection
- Capturing packets on both wired and wireless networks
Log Analysis
- Examining HTTP packets
- Tracking bidirectional TCP streams
- Exporting logs for offline review
Investigating Connection Speed Issues for Specific Websites
- Applying filters
- Interpreting statistics
Analysis by Traffic Type
- Covering DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Addressing persistent connection slowness
Response Time Verification
- Configuring delta time columns
Detecting Virus-Infected Machines
- Reviewing ARP traffic patterns
Tracing Traffic Origins
- Intel ANS probes
- Software malfunctions or misconfigurations (network flooding)
Identifying Performance Bottlenecks
- Generating statistical charts and graphs
- Customizing color coding in Wireshark
- Implementing traffic filters
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting in Secure Network Environments
- Managing proxies, firewalls, and client interactions
Optimizing Wireshark Configuration
- Non-intrusive analysis techniques
Advanced Troubleshooting
Summary and Conclusions
Requirements
- Familiarity with TCP/IP networking fundamentals
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.