Network Troubleshooting with Wireshark Training Course
Network packet analysis allows you to view raw data transmitted and received over a network interface in real time. This technique is invaluable for diagnosing issues related to network configuration and application performance. Wireshark is a free, open-source packet analyzer designed to help resolve such network challenges.
During this instructor-led live training, participants will acquire the skills needed to utilize Wireshark for troubleshooting network functionality and assessing the performance of various networked applications. Attendees will study fundamental principles of network troubleshooting and practice techniques for capturing and analyzing TCP/IP request and response traffic flowing between different clients and servers.
Upon completion of this training, participants will be equipped to:
- Evaluate network functionality and performance across various environments and conditions
- Assess whether different server application instances are operating within acceptable parameters
- Pinpoint the primary sources of network performance degradation
- Identify and resolve the most frequent causes of performance issues in TCP/IP communications
Audience
- Network engineers
- Network and computer technicians
Course Format
- A blend of lectures, discussions, exercises, and extensive hands-on practice
Note
- For inquiries regarding customized training for this course, please get in touch with us to make arrangements.
Course Outline
Introduction
- Wireshark: A tool beyond last resort
Overview of Network Troubleshooting Concepts
- Root cause analysis
Installing Wireshark
Overview of Wireshark Features
- Navigating the user interface
Capturing Traffic in the Test Environment
- Selecting the appropriate network interface
- Capturing packets on both wired and wireless networks
Analyzing the Logs
- Inspecting HTTP packets
- Viewing bidirectional TCP streams
- Saving logs for offline examination
Analyzing Connection Speed Issues with Specific Websites
- Utilizing filters
- Reviewing statistics
Analyzing by Traffic Type
- DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Addressing consistently slow connections over extended periods
Checking Response Times
- Configuring delta time columns
Checking for Machines Infected with a Virus
- Inspecting ARP traffic
Inspecting Sources of Network Traffic
- Intel ANS probe
- Broken or misconfigured software (network flooding)
Pinpointing Performance Issues
- Creating statistical charts and graphs
- Setting colors in Wireshark
- Filtering traffic
- Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections within a Secured Network Environment
- Proxies, firewalls, and clients
Configuring Wireshark for Optimal Performance
- Non-intrusive analysis
Troubleshooting
Summary and Conclusion
Requirements
- A solid understanding of TCP/IP networking principles
Need help picking the right course?
southafrica@nobleprog.co.za or +27 (0)10 005 5793
Network Troubleshooting with Wireshark Training Course - Enquiry
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.
Krzysztof - Centrum Informatyki Resortu Finansow
Course - Network Troubleshooting with Wireshark
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