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Troubleshooting Slow Networks with Wireshark

Chris Greer

Tired of dealing with slowness on networks? Grab a copy of Wireshark and follow along as you dive into packet data to investigate the root cause of many network and application performance problems.

Read more

Tired of dealing with slowness on networks? Grab a copy of Wireshark and follow along as you dive into packet data to investigate the root cause of many network and application performance problems.

It's easy for network admins to become bogged down in slow networks. In this course, Troubleshooting Slow Networks with Wireshark, you will learn to capture and interpret network packet data to solve performance problems. First, you will learn how and where to properly capture packets with Wireshark. Next, you will discover how to measure network and application response time. Finally, you will explore how to use built-in features in Wireshark designed to quickly spotlight performance problems. When you’re finished with this course, you will have the skills and knowledge with Wireshark needed to resolve these network problems for good.

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What's inside

Syllabus

Course Overview
Collecting The Right Data: Where and How?
Analyzing End User and Application Behavior
Measuring Network and Application Response Time
Read more
Identifying Common Causes of Slow Networks
Features in Wireshark for Resolving Slowness

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Teaches troubleshooting techniques for performance problems on networks and applications
Uses Wireshark as the primary tool for data capture and analysis
Develops knowledge of industry tools and practices for resolving slowness
Examines common causes for slowness, improving network management skills
Builds a solid foundation for beginners seeking to improve network troubleshooting abilities
May not cover advanced techniques required for highly specialized roles

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Troubleshooting Slow Networks with Wireshark with these activities:
Review Wireshark Documentation
Reading the official Wireshark documentation will give you a better understanding of the tool and its capabilities.
Show steps
  • Visit the Wireshark website
  • Browse the documentation
  • Read the User's Guide
  • Read the Reference Manual
Complete Wireshark Labs
Hands-on practice with Wireshark will help you develop the skills you need to troubleshoot network problems.
Show steps
  • Visit the Wireshark Labs website
  • Choose a lab to complete
  • Follow the instructions
  • Analyze the results
Seek Mentorship from Experienced Network Engineers
Connect with experienced network engineers who can provide guidance and support in applying the concepts covered in the course to real-world scenarios.
Browse courses on Mentorship
Show steps
  • Identify potential mentors through professional networks or online platforms.
  • Reach out to potential mentors and express your interest in their guidance.
  • Establish a mutually beneficial mentorship relationship.
20 other activities
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Show all 23 activities
Organize Course Materials
Compile and organize course materials for easy reference and review.
Show steps
  • Create a dedicated folder or notebook for course materials
  • Organize materials by topic or module
  • Review and highlight key concepts in materials
Read High-Performance Browser Networking by Ilya Grigorik
This book provides a deep dive into browser networking, and helps to understand the fundamentals of network performance.
View High Performance Browser Networking: What every... on Amazon
Show steps
  • Purchase the book
  • Read the book
  • Take notes
  • Apply what you learn to your own work
  • Discuss the book with others
Revisit Network Protocols
Refresh your understanding of foundational network protocols to lay a strong groundwork for this course.
Browse courses on TCP/IP
Show steps
  • Review TCP/IP fundamentals, including IP addresses, ports, and packet structure.
  • Go over UDP and its key differences from TCP.
  • Explore common network protocols such as HTTP, DNS, and FTP.
Review Networking Fundamentals
Review the fundamentals of networking to strengthen the foundation for troubleshooting network performance.
Browse courses on Networking Fundamentals
Show steps
  • Review online resources or textbooks on networking fundamentals
  • Attend a workshop or refresher course on networking concepts
  • Practice configuring and troubleshooting basic network devices
Analyze Network Captures
Regularly analyzing network captures will help you identify common problems and develop your troubleshooting skills.
Show steps
  • Use Wireshark to capture network traffic
  • Identify and analyze common problems
  • Document your findings
  • Share your results with others
Wireshark Packet Capture Practice
Gain hands-on experience in capturing and analyzing network packets using Wireshark to build proficiency.
Browse courses on Wireshark
Show steps
  • Set up Wireshark and configure capture settings.
  • Capture network packets from various sources.
  • Filter and analyze packets based on specific criteria.
  • Identify common packet types and protocols.
Discussion Group on Network Performance Issues
Engage with peers to discuss network performance issues and share troubleshooting experiences.
Browse courses on Network Troubleshooting
Show steps
  • Identify online forums or social media groups focused on network troubleshooting
  • Join the discussion and ask questions about specific performance issues
  • Share knowledge and experiences with other peers
Wireshark Tutorials for Performance Troubleshooting
Seek out tutorials specifically designed to enhance your understanding of how to use Wireshark for performance troubleshooting.
Browse courses on Wireshark
Show steps
  • Identify and utilize tutorials that focus on identifying performance issues with Wireshark.
  • Follow step-by-step instructions to analyze network traffic and identify bottlenecks.
  • Apply the techniques learned to troubleshoot real-world network performance problems.
Analyze Packet Captures
Analyze scenarios regarding Wireshark to monitor networks for common performance issues.
Browse courses on Wireshark
Show steps
  • Use Wireshark's display filters to isolate specific packets
  • Identify and decode different packet protocols
  • Find and analyze common performance-related issues
Analyze Packet Captures
Practice analyzing packet captures to identify network performance issues.
Browse courses on Packet Analysis
Show steps
  • Install and configure Wireshark
  • Capture network traffic
  • Analyze packet data to identify performance issues
Wireshark Troubleshooting Workshop
Attend a workshop focused on using Wireshark for troubleshooting network performance issues to gain practical, hands-on experience.
Browse courses on Wireshark
Show steps
  • Identify and register for a workshop that aligns with your learning goals.
  • Attend the workshop, actively participate in discussions, and engage with instructors.
  • Apply the knowledge and techniques learned to real-world troubleshooting scenarios.
Develop a Troubleshooting Plan
Creating a troubleshooting plan will help you identify and resolve network problems more quickly and efficiently.
Show steps
  • Identify common network problems
  • Develop a step-by-step troubleshooting process
  • Document your troubleshooting plan
  • Share your troubleshooting plan with others
Follow Wireshark Tutorials
Complete tutorials to learn advanced Wireshark features.
Browse courses on Wireshark
Show steps
  • Use Wireshark's documentation to learn about specific features and functions
  • Follow along with online tutorials to practice using Wireshark
  • Experiment with different Wireshark settings and options
Collaborate with Peers
Engage with fellow learners, share knowledge, and work together to solve network issues.
Browse courses on Wireshark
Show steps
  • Join or create study groups with fellow students
  • Share and discuss Wireshark tips and tricks
  • Collaborate on troubleshooting network issues using Wireshark
Network Performance Monitoring Project
Undertake a project that involves monitoring and analyzing network performance to solidify your understanding of the concepts covered in the course.
Browse courses on Network Performance Monitoring
Show steps
  • Establish a baseline for network performance metrics.
  • Configure Wireshark or other tools for continuous monitoring.
  • Analyze collected data to identify performance issues and trends.
  • Implement solutions to address identified performance bottlenecks.
  • Continuously monitor and adjust strategies to maintain optimal network performance.
Network Performance Troubleshooting Tutorials
Follow online tutorials to learn advanced techniques for troubleshooting network performance issues.
Browse courses on Network Troubleshooting
Show steps
  • Identify reputable online resources
  • Select tutorials that align with specific performance issues encountered in the course
  • Follow tutorials and apply the techniques to real-world scenarios
Write a Troubleshooting Report
Utilize Wireshark to troubleshoot network issues, document your findings in a technical report.
Browse courses on Wireshark
Show steps
  • Identify the network problem and gather necessary data
  • Capture traffic using Wireshark
  • Analyze captured data using Wireshark's features
  • Document findings and write a technical report explaining the issue and its resolution
Troubleshooting Guide for Common Network Performance Issues
Create a comprehensive troubleshooting guide to document and share knowledge on resolving common network performance issues.
Browse courses on Network Troubleshooting
Show steps
  • Identify the most common network performance issues encountered in the course
  • Research and gather information on troubleshooting techniques
  • Organize and write the troubleshooting guide in a clear and concise manner
  • Share the troubleshooting guide with peers or publish it online
Network Simulation Project
Design and implement a network simulation to troubleshoot performance issues in a controlled environment.
Browse courses on Network Simulation
Show steps
  • Define the scope and objectives of the simulation
  • Design the network topology and configuration
  • Implement the simulation using a network simulator
  • Run the simulation and analyze the results to identify performance bottlenecks
  • Implement solutions to address the identified performance issues
Participate in a Network Troubleshooting Competition
Participating in a network troubleshooting competition will test your skills and help you learn from others.
Show steps
  • Find a network troubleshooting competition
  • Register for the competition
  • Practice troubleshooting network problems
  • Compete in the competition

Career center

Learners who complete Troubleshooting Slow Networks with Wireshark will develop knowledge and skills that may be useful to these careers:
Network Engineer
Network Engineers design, implement, and maintain computer networks. They work to ensure that networks are efficient, reliable, and secure. This course on troubleshooting slow networks with Wireshark will be instrumental in teaching Network Engineers the practical skills they need to effectively carry out these responsibilities.
See salaries and explore the career path for Network Engineer
Network Security Engineer
A Network Security Engineer designs, deploys, and manages an organization's network security systems and architecture. In this role, the course's lessons on analyzing end-user and application behavior, measuring network and application response time, and identifying common causes of slow networks will all be useful. Knowledge of these topics can help one to identify and mitigate network security threats.
See salaries and explore the career path for Network Security Engineer
Network Architect
Network Architects evaluate, design, and implement network solutions that meet an organization's needs. They create plans for network infrastructure and ensure that it is secure and efficient. This course will help Network Architects develop necessary skills to design and implement effective network solutions by teaching them how to use Wireshark to identify and troubleshoot network performance issues.
See salaries and explore the career path for Network Architect
Computer Network Architect
Computer Network Architects design, implement, and maintain computer networks. They work to ensure that networks are efficient, reliable, and secure. The course's in-depth instruction on the use of Wireshark to capture and analyze network traffic allows Network Architects to develop the skills necessary to excel in their roles.
See salaries and explore the career path for Computer Network Architect
IT Auditor
An IT Auditor examines an organization's information systems and provides assurance that they are operating as intended. An IT Auditor utilizes training and information in a variety of technical security areas to ensure compliance with laws and regulations. This course's instruction on troubleshooting slow networks with Wireshark can enhance an IT Auditor's ability to effectively review systems and detect potential issues.
See salaries and explore the career path for IT Auditor
Information Security Analyst
Information Security Analysts investigate and resolve security breaches and develop security plans to protect an organization's computer systems and networks. This course will help Information Security Analysts to develop the skills necessary to effectively carry out these responsibilities by teaching them how to use Wireshark to identify and troubleshoot network security issues.
See salaries and explore the career path for Information Security Analyst
Systems Administrator
Systems Administrators manage and maintain computer systems and networks. They ensure that systems are running smoothly and efficiently and that data is secure. The skills taught in this course on troubleshooting slow networks with Wireshark will be instrumental in training Systems Administrators to solve common network problems and ensure system uptime, increasing overall operational efficiency.
See salaries and explore the career path for Systems Administrator
Cloud Architect
Cloud Architects design, implement, and manage cloud computing solutions for organizations. They work to ensure that cloud solutions are efficient, reliable, and secure. This course on troubleshooting slow networks with Wireshark will help Cloud Architects develop the skills they need to effectively design and implement cloud solutions and manage cloud infrastructure.
See salaries and explore the career path for Cloud Architect
Computer Systems Analyst
Computer Systems Analysts analyze and design computer systems and networks. They work to ensure that systems are efficient, reliable, and secure. This course's instruction on the use of Wireshark to troubleshoot slow networks will help Computer Systems Analysts to develop the skills necessary to effectively carry out these responsibilities and implement effective systems that meet organizational needs.
See salaries and explore the career path for Computer Systems Analyst
Software Engineer
Software Engineers design, develop, and maintain software applications. They work to ensure that software is efficient, reliable, and secure. This course's instruction on the use of Wireshark to troubleshoot slow networks will be instrumental in training Software Engineers to write applications that are efficient and perform well on a network.
See salaries and explore the career path for Software Engineer
Database Administrator
Database Administrators manage and maintain databases. They ensure that databases are running smoothly and efficiently and that data is secure. This course's instruction on the use of Wireshark to troubleshoot slow networks will be instrumental in training Database Administrators to identify and resolve network performance issues that may affect database performance.
See salaries and explore the career path for Database Administrator
Technical Support Specialist
Technical Support Specialists provide technical assistance to users of computer systems and software. They resolve technical problems and provide guidance on how to use technology effectively. This course on troubleshooting slow networks with Wireshark can be extremely useful in training Technical Support Specialists to identify and resolve network performance issues, increasing efficiency and meeting user needs more effectively.
See salaries and explore the career path for Technical Support Specialist
IT Manager
IT Managers plan, implement, and manage an organization's information technology infrastructure. They oversee a team of IT professionals and ensure that the organization's technology needs are met. This course's instruction on using Wireshark to troubleshoot network performance issues will enhance an IT Manager's ability to understand and resolve technology issues, meeting the needs of their organization more effectively.
See salaries and explore the career path for IT Manager
Data Scientist
Data Scientists analyze large datasets to extract meaningful insights and develop predictive models. This course's lessons on analyzing end-user and application behavior, measuring network and application response time, and identifying common causes of slow networks can be useful knowledge for Data Scientists as they work to build models for network performance and application behavior.
See salaries and explore the career path for Data Scientist
Web Developer
Web Developers design and develop websites. They work to ensure that websites are efficient, reliable, and user-friendly. This course's lessons on analyzing end-user and application behavior, measuring network and application response time, and identifying common causes of slow networks can be useful knowledge for Web Developers as they work to build websites that perform well and provide a good user experience.
See salaries and explore the career path for Web Developer

Reading list

We've selected ten books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Troubleshooting Slow Networks with Wireshark.
Cover image
Wireshark 101
Save
Comprehensive guide to Wireshark, the world's most popular network protocol analyzer. It covers everything from the basics of packet capture and analysis to advanced topics such as performance analysis and security troubleshooting. While this book is more advanced than the course, it is an excellent reference for anyone who wants to learn more about Wireshark.
Wireshark 101: Essential Skills for Network...
Paperback
$$
Wireshark 101: Essential Skills for Network...
Kindle Edition
$$
(Deutsch) Wireshark 101: Einführung in die Protokollanalyse...
Kindle Edition
$$
Cover image
Computer Networking [Global Edition]
Save
Classic textbook on computer networking. It provides a comprehensive overview of the field, from the physical layer to the application layer. While this book is more theoretical than the course, it is an excellent resource for anyone who wants to learn more about the fundamentals of networking.
Computer Networking [Global Edition]
Paperback
Check
Computer Networking [Global Edition]
Kindle Edition
Check
Cover image
TCP/IP Illustrated
Save
Classic reference on the TCP/IP protocol suite. It provides a detailed explanation of how each protocol works, from the lowest-level transport protocols to the highest-level application protocols.
TCP/IP Illustrated: The Protocols, Volume 1...
Kindle Edition
$$
Cover image
High Performance Browser Networking
Save
Practical guide to optimizing the performance of web applications. It covers a wide range of topics, including how to measure and improve page load times, optimize images and videos, and use caching and compression to reduce bandwidth usage.
High Performance Browser Networking: What every web...
Paperback
$$
(中文) Web性能权威指南 (图灵程序设计丛书) (Chinese Edition)
Kindle Edition
$
Cover image
Bass Guitar Exercises For Dummies
Save
Practical guide to using a variety of tools to troubleshoot network problems. It covers a wide range of topics, including how to use ping, traceroute, and Wireshark to identify and resolve network issues.
Bass Guitar Exercises For Dummies (For Dummies...
Paperback
$$
Bass Guitar Exercises For Dummies
Kindle Edition
$$
Cover image
Computer Networks
Save
Classic textbook on computer networking. It provides a comprehensive overview of the field, from the physical layer to the application layer. While this book is more theoretical than the course, it is an excellent resource for anyone who wants to learn more about the fundamentals of networking.
Computer Networks
Paperback
Check
Computer Networks
Kindle Edition
Check
Cover image
The TCP/IP Guide
Save
Comprehensive guide to the TCP/IP protocol suite. It provides a detailed explanation of how each protocol works, from the lowest-level transport protocols to the highest-level application protocols.
The TCP/IP Guide: A Comprehensive, Illustrated...
Hardcover
$$$
The TCP/IP Guide: A Comprehensive, Illustrated...
Kindle Edition
$$$
Cover image
Arista Warrior
Save
Comprehensive guide to network security. It covers a wide range of topics, including how to identify and mitigate network threats, secure network devices, and implement network monitoring and intrusion detection systems.
Arista Warrior: Arista Products with a Focus on EOS
Paperback
$$
Arista Warrior: A Real-World Guide to Understanding...
Paperback
$$
Arista Warrior by Donahue (2012-10-27)
Paperback Bunko
$$$$
Arista Warrior: Arista Products with a Focus on EOS
Kindle Edition
$$
Cover image
Metasploit, 2nd Edition
Save
Comprehensive guide to Metasploit, a popular open-source penetration testing framework. It covers a wide range of topics, including how to install and configure Metasploit, use its built-in tools, and develop custom exploits.
Metasploit, 2nd Edition
Kindle Edition
$$
Cover image
The Art of Network Penetration Testing
Save
Comprehensive guide to network penetration testing. It covers a wide range of topics, including how to plan and execute a penetration test, identify and exploit vulnerabilities, and write effective penetration test reports.
The Art of Network Penetration Testing: How to take...
Paperback
$$
The Art of Network Penetration Testing: How to take...
Kindle Edition
$$

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Course image
Time
182 hours
Level
Intermediate
Via
Pluralsight
Instructor
Chris Greer
Language
English
This course belongs to a collection called Analyzing Network Traffic with Wireshark. It's comprised of six courses:
  1. Getting Started with Wireshark
  2. Analyzing Network Protocols with Wireshark
  3. Foundational TCP Analysis with Wireshark
  4. Troubleshooting Slow Networks with Wireshark (viewing)
  5. Wireshark Traffic Analysis: Customizing the Interface, ARP, ICMP, and DNS
  6. Mastering TCP Analysis with Wireshark
Good to know
Teaches troubleshooting techniques for performance problems on networks and applications
Uses Wireshark as the primary tool for data capture and analysis
Develops knowledge of industry tools and practices for resolving slowness
Examines common causes for slowness, improving network management skills
Builds a solid foundation for beginners seeking to improve network troubleshooting abilities
May not cover advanced techniques required for highly specialized roles
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