Packet Analysis with Wireshark Analyzer (PAW)

Course Description Schedule Course Outline

Detailed Course Outline

Module 1: Overview Network Analysis

  • Overview Wireshark & Ethereal
  • Special Capture Hardware
  • Installation and first capture

Module 2: User interface and Navigation

  • View Panes
  • Toolbar and Statusbar
  • Decode and Hexview
  • Column Configuration
  • Searching in Tracefiles
  • Using Display Filters
  • Capture to Disk and Ring buffer Capture
  • Capture Filters
  • Open, Save, Export, Print for captured network data

Module 3: Additional Configuration and command line tools

  • Name resolution: MAC, Network, Service
  • GeoIP localization of IP addresses
  • Colorization of packets with specific attributes
  • TCP Protocol Reassembly for reconstructing content
  • Wireshark Peculiarities: Checksum errors, wrong frame size readings
  • Configuration profiles for keeping multiple settings
  • Command line tools: tshark, mergecap, editcap, dumpcap

Module 4: Functions and Statistics

  • Baselining the network
  • Summary Statistics
  • Endpoint List, Conversation List
  • Protocol Hierarchy
  • TCP Stream Graphs and Round Trip Time
  • I/O Graph and Flow Graph
  • The Wireshark Expert
  • Service Respone Time Statistics

Module 5: Analysis Fundamentals

  • Network, Server, Cient or Application
  • Procedures to track down Problems
  • Planning captures
  • Point of Capture: HUB, SPAN
  • Response Time, Overhead, Throughput

Module 6: Troubleshooting

  • Troubleshooting Bottom-Up vs. Top-Down
  • Proving the Opposite
  • Correcting Problems
  • Typical Network Problems Overview
  • Application Design Errors
  • Application Types: Throughput, Transaction, Stream
  • Performance Parameters
  • Measuring Bandwidth
  • Response Times, Delay
  • TCP Turns

Labs

  • Searching in a tracefile
  • Display Filter
  • TCP Paket Reassembly
  • TCP Graphs
  • Throughput and Overhead
  • Case Study