About this course

Course code TPFL-PAPW
Duration 5 Days
Special Notices

If both classroom and virtual dates are available for this course please specify your preference when booking.

During this 5 day instructor led training course, delegates will receive a comprehensive introduction into the features, functions and the usage of the Wireshark Analyser and will learn methods and techniques about monitoring, analysis and troubleshooting of their networks from the packet level. This course will also focus on the detailed analysis and troubleshooting of typical network protocols and applications with specific focus on switched Ethernet, TCP/IP networks and TCP/IP based applications.

Prerequisites

Delegates are required to attend the following course or have equivalent knowledge:

  • "Networking & TCP/IP Fundamentals (NWF)"

Outline

Features, functions and basic operation of Ethereal/Wireshark Analyser

  • Introduction and operation of Wireshark
  • Live Capture and Live Capture settings
  • Display options and basic interpretation
  • Working with Display Filters and Capture Filters
  • File Input and Output

Advanced features of Wireshark Analyser

  • Preferences and user profiles
  • Name resolution
  • Packet Reassembly
  • Expert Information
  • Packet colorisation


Methodology and techniques of network analysis and troubleshooting

  • What is packet analysis?
  • Steps and techniques for analysing traffic
  • Analysing Switched Ethernet - Tapping into the network
  • Capturing wireless network traffic
  • Measuring network delay and response time
  • Measuring network throughput and overhead


Statistics and Baselining

  • Terms and Overview
  • Wireshark Statistics
  • Application Profiles

Analysing networks and applications

  • Fault isolation
  • Typical network related problems
  • Application types and typical application related problems


Switched Ethernet analysis

  • Duplex & Speed Issues
  • Spanning Tree operation and Spanning Tree analysis
  • Analyzing VLANs, VLAN-Tagging


TCP/IP analysis of the network layer

  • IP addressing
  • Typical IP scenarios
  • IP options
  • ICMP, ARP and DHCP


TCP/IP analysis of the transport layer

  • TCP functions
  • Session Setup, Data Transfer and Session Teardown
  • Window Mechanism and Window optimization
  • TCP options (SACK, Window Scaling) and TCP timers
  • UDP functions


Analysing and troubleshooting TCP/IP with Wireshark

  • Wireshark preferences for advanced TCP/IP analysis
  • Typical TCP/IP related problems
  • Wireshark Expert Info messages and their meanings


TCP/IP applications

  • HTTP
  • FTP
  • SMB
  • DNS
  • SSL

5 Days

Duration

This is a QA approved partner course

Delivery Method

Delivery method

Classroom

Face-to-face learning in the comfort of our quality nationwide centres, with free refreshments and Wi-Fi.

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