Course Outline
Introduction
- Wireshark -- more than just a last-resort solution
Foundations of Network Troubleshooting
- Root cause analysis methodologies
Installing Wireshark
Overview of Wireshark Capabilities
- Navigating the user interface
Capturing Traffic in the Test Environment
- Selecting 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 traffic filters
- Interpreting statistical data
Analysis by Traffic Type
- Covering DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Addressing consistently slow connections over extended periods
Evaluating Response Times
- Configuring delta time columns
Detecting Virus-Infected Machines
- Analyzing ARP traffic patterns
Investigating Traffic Sources
- Intel ANS probe
- Identifying broken or misconfigured software causing network flooding
Isolating Performance Bottlenecks
- Generating statistical charts and graphs
- Customizing color schemes in Wireshark
- Applying advanced traffic filters
- Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections in Secure Network Environments
- Managing interactions with proxies, firewalls, and clients
Optimizing Wireshark Configuration
- Performing non-intrusive analysis
Advanced Troubleshooting Techniques
Summary and Conclusion
Requirements
- Familiarity with 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.