Course Outline
Introduction
- Wireshark: More than just a final diagnostic tool
Core Concepts in Network Troubleshooting
- Root cause analysis
Wireshark Installation
Overview of Wireshark Capabilities
- Navigating the user interface
Capturing Traffic in the Test Environment
- Choosing the appropriate network interface
- Capturing packets on both 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 statistical data
Analysis Based on Traffic Type
- Covering DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Investigating persistent connection slowness
Evaluating Response Times
- Configuring delta time columns
Detecting Virus-Infected Machines
- Reviewing ARP traffic
Investigating Traffic Sources
- Intel ANS probes
- Malfunctioning or misconfigured software causing network flooding
Identifying Performance Bottlenecks
- Generating statistical charts and graphs
- Configuring display colors in Wireshark
- Filtering specific traffic
- Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections in Secured Network Environments
- Managing proxies, firewalls, and clients
Optimizing Wireshark Configuration
- Conducting non-intrusive analysis
Troubleshooting Exercises
Summary and Conclusion
Requirements
- A foundational 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.