Network Troubleshooting with Wireshark Training Course
Network packet analysis is a technique used to view, in real time, the raw data sent and received over a network interface. This is useful for troubleshooting network configuration and network application problems. Wireshark is a free open source packet analyzer used for troubleshooting such network issues.
In this instructor-led, live training, participants will learn how to use Wireshark to troubleshoot the functionality of a network as well as the performance of different networked applications. Participants will learn network troubleshooting principles and practice techniques for capturing and analyzing TCP/IP request and response traffic between different clients and the servers.
By the end of this training, participants will be able to:
- Analyze network functionality and performance in various environments under different conditions
- Determine whether instances of different server applications are performing acceptably
- Identify the primary sources of network performance problems
- Identify and troubleshoot the most common causes of performance problems in TCP/IP communications
Audience
- Network engineers
- Network and computer technicians
Format of the Course
- Part lecture, part discussion, exercises and heavy hands-on practice
Note
- To request a customized training for this course, please contact us to arrange.
Course Outline
Introduction
- Wireshark -- not just a last-resort tool
Overview of Network Troubleshooting Concepts
- Root cause analysis
Installing Wireshark
Overview of Wireshark Features
- Navigating the UI interface
Capturing Traffic in the Test Environment
- Selecting the network interface
- Capture packets on wired and wireless networks
Analyzing the Logs
- Inspecting the HTTP packets
- Viewing back-and-forth TCP streams
- Saving the log for offline inspection
Analyzing Connection Speed Issues When Connecting to a Particular Website
- Using filters
- Seeing the statistics
Analyzing by Traffic Type
- DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Consistently slow connections over prolonged periods of time
Checking Response Times
- Setting delta time columns
Checking for Machines Infected with a Virus
- Inspecting ARP traffic
Inspecting Sources of Network Traffic
- Intel ANS probe
- Broken/misconfigured software (network flooding)
Pinpointing Performance Issues
- Creating statistical charts and graphs
- Setting colors in Wireshark
- Filtering traffic
- Using 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
- An 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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