The PAW – Packet Analysis with Wireshark Analyzer is a two-day instructor-led training course, where 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 and analysis of their networks from the packet level.

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1. Overview of Wireshark

• Basic Wireshark functionality
• Platforms supported
• Wireshark functions
• Special hardware: AirPCAP, TurboPCAP
• OSI Reference Model
• Protocol Layers in practice

2. Using Wireshark – User Interface and Navigation

• Configuring the Panes
• Wireshark Toolbars
• Decode and Hexview
• Meta information
• Status bar
• Dropped Frames – 1GB Capture Example
• Configuration
• Column Configuration
• Delta Time Settings
• Relative Time and Cumulative Bytes
• Search function
• Marking Frames
• Filtering and Filter Types
• Display Filters
• Logical Operators
• Negative Filters
• Capture Filters
• Interface list options
• Capture Filter List
• Filter References
• File Management
• Extracting and Exporting files

3. Additional Configuration Options and Tools

• Name Resolution
• MAC Address Name Resolution
• Network Name Resolution
• Manual Network Name Resolution
• Protocol Name Resolution
• GeoIP Localization
• Colour Settings
• Packet Colorization
• Hands-On
• Protocol Reassembly
• Reassembly: Pro and Con
• Wireshark Peculiarities Offloading, Padding, etc
• Wireshark point of capture
• Erroneous Checksum Report
• Invalid Packet Size
• Configuration Profiles
• Configuration File Paths
• Commandline Tools
  • tshark
  • dumpcap
  • editcap
  • mergecap

4. Functions and Statistics

• Functions and Statistics
• Baselining
• Hosts, Sessions, Protocols
• Summary Statistics
• Endpoint List
• Endpoint List Filters
• Conversations
• Protocol Hierarchy
• I/O and TCP Stream Graphs
• Flow Graph
• Wireshark Expert
• Service Response Time

5. Analysis of Fundamentals

• Network, Server, Client, or Application?
• Step 1: Describe the Problem
• Step 2: Planning the Capture
• Step 3: Capture the data
• Capturing at the server
• Selecting the Point of Capture
• Capturing on a Switch
• Capturing with Hubs/Mini Switches
• Response time, Throughput, Overhead, Throughput and Overhead

6. Troubleshooting

• Troubleshooting – Introduction
• Correcting problems
• Typical Network Problems
• Layer 2, Layer 3
• Layer 4
• Typical Application Problems
• Performance Factors
• Application Types
• Application Design Errors
• Performance Parameters
• Determining Actual Performance
• Throughput: Measuring Bandwidth
• Measuring Response Times

LAB Exercises

• 1–1 Installing Wireshark
• 2–1 Column Configuration
• 2–2 Searching in a Trace
• 2–3 Display Filter
• 2–4 Capture Filters
• 3–1 Searching in a Trace
• 3–2 TCP Re-Assembly
• 4–1 TCP Graphs
• 4–2 Service Response Times
• 5–1 Display Filter
• 6–1 Troubleshooting Case Study

• Network Administrators
• Network Managers
• All technical staff who are responsible for planning, implementing, and ensuring high-performance operation of their data networks

• Basic understanding of Network Fundamentals and TCP/IP operation such as the topics covered in the Networking & TCP/IP Fundamentals (NWF) course.