Overview

Wireshark is a free network protocol analyser. This hands-on course provides a starting point for troubleshooting networks using Wireshark. The course concentrates on the Wireshark product and students will gain from the most from this course only if they already have a sound knowledge of the TCP/IP protocols.

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Prerequisites

TCP/IP Foundation for engineers (TPTCPIP)

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Delegates will learn how to

By the end of the course delegates will be able to:

  • Download and install Wireshark.
  • Capture and analyse packets with Wireshark.
  • Configure capture and display filters.
  • Customise Wireshark.
  • Troubleshoot networks using Wireshark.
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Outline

What is Wireshark?

Protocol analysers, Wireshark features, versions, troubleshooting techniques with Wireshark.

Installing Wireshark

Downloading Wireshark, UNIX issues, Microsoft issues, the role of winpcap, promiscuous mode, installing Wireshark. Wireshark documentation and help.

Downloading and installing Wireshark.

Capturing traffic

Starting and stopping basic packet captures, the packet list pane, packet details pane, packet bytes pane, interfaces, using Wireshark in a switched architecture.

Capturing packets with Wireshark.

Troubleshooting networks with Wireshark

Common packet flows.

Analysing a variety of problems with Wireshark.

Capture filters

Capture filter expressions, capture filter examples (host, port, network, protocol, worm), primitives, combining primitives, payload matching.

Configuring capture filters.

Working with captured packets

Live packet capture, saving to a file, capture file formats, reading capture files from other analysers, merging capture files, finding packets, going to a specific packet, display filters, display filter expressions.

Saving captured data, configuring display filters.

Analysis and statistics with Wireshark

Enabling/disabling protocols, user specified decodes, following TCP streams, protocol statistics, conversation lists, endpoint lists, I/O graphs, protocol specific statistics.

Using the analysis and statistics menus.

Command line tools

Tshark, capinfos, editcap, mergecap, text2pcap, idl2eth.

Using tshark.

Advanced issues

802.11 issues, management frames, monitor mode, packet reassembling, name resolution, customising Wireshark.

Customising name resolution.

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Why choose QA

Dates & Locations

Frequently asked questions

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How can I create an account on myQA.com?

There are a number of ways to create an account. If you are a self-funder, simply select the "Create account" option on the login page.

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If you have the booking number you can also go here and select the "I have a booking number" option. Enter the booking reference and your surname. If the details match, you will be taken to the "Create account" page from where you can enter your details and confirm your account.

Find more answers to frequently asked questions in our FAQs: Bookings & Cancellations page.

How do QA’s virtual classroom courses work?

Our virtual classroom courses allow you to access award-winning classroom training, without leaving your home or office. Our learning professionals are specially trained on how to interact with remote attendees and our remote labs ensure all participants can take part in hands-on exercises wherever they are.

We use the WebEx video conferencing platform by Cisco. Before you book, check that you meet the WebEx system requirements and run a test meeting (more details in the link below) to ensure the software is compatible with your firewall settings. If it doesn’t work, try adjusting your settings or contact your IT department about permitting the website.

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How do QA’s online courses work?

QA online courses, also commonly known as distance learning courses or elearning courses, take the form of interactive software designed for individual learning, but you will also have access to full support from our subject-matter experts for the duration of your course. When you book a QA online learning course you will receive immediate access to it through our e-learning platform and you can start to learn straight away, from any compatible device. Access to the online learning platform is valid for one year from the booking date.

All courses are built around case studies and presented in an engaging format, which includes storytelling elements, video, audio and humour. Every case study is supported by sample documents and a collection of Knowledge Nuggets that provide more in-depth detail on the wider processes.

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When will I receive my joining instructions?

Joining instructions for QA courses are sent two weeks prior to the course start date, or immediately if the booking is confirmed within this timeframe. For course bookings made via QA but delivered by a third-party supplier, joining instructions are sent to attendees prior to the training course, but timescales vary depending on each supplier’s terms. Read more FAQs.

When will I receive my certificate?

Certificates of Achievement are issued at the end the course, either as a hard copy or via email. Read more here.

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