Course Outline
Introduction
- Wireshark -- a comprehensive tool, not just a last resort
Fundamentals of Network Troubleshooting
- Root cause analysis
Wireshark Installation
Exploring Wireshark Capabilities
- Navigating the user interface
Capturing Traffic in a Test Environment
- Choosing 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
Investigating 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 persistent connection slowness
Evaluating Response Times
- Configuring delta time columns
Identifying Virus-Infected Machines
- Reviewing ARP traffic
Tracing the Origin of Network Traffic
- Intel ANS probe
- Malfunctioning or misconfigured software (network flooding)
Identifying Performance Bottlenecks
- Generating statistical charts and graphs
- Applying color coding in Wireshark
- Filtering traffic streams
- Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting in Secure Network Environments
- Managing proxies, firewalls, and client configurations
Optimizing Wireshark Configuration for Performance
- Non-intrusive analysis techniques
Troubleshooting Procedures
Conclusion and Summary
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.