Course Outline
Introduction
- Wireshark as a comprehensive diagnostic tool, not just a last resort
Overview of Network Troubleshooting Concepts
- Root cause analysis methodology
Installing Wireshark
Overview of Wireshark Features
- Navigating the user interface
Capturing Traffic in the Test Environment
- Selecting the appropriate network interface
- Capturing packets on wired and wireless networks
Analyzing the Logs
- Examining HTTP packet structures
- Reviewing TCP stream interactions
- Saving logs for offline review
Analyzing Connection Speed Issues When Connecting to a Particular Website
- Applying display filters
- Interpreting statistical data
Analyzing by Traffic Type
- Examining DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS protocols
- Diagnosing persistently slow connections
Checking Response Times
- Configuring delta time columns for analysis
Checking for Machines Infected with a Virus
- Analyzing ARP traffic for anomalies
Inspecting Sources of Network Traffic
- Identifying Intel ANS probes
- Detecting broken or misconfigured software causing network flooding
Pinpointing Performance Issues
- Generating statistical charts and graphs
- Utilizing color coding in Wireshark
- Filtering traffic for specific analysis
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections within a Secured Network Environment
- Analyzing interactions between proxies, firewalls, and clients
Configuring Wireshark for Optimal Performance
- Conducting non-intrusive analysis
Troubleshooting
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.
