Wireshark for Wireless LANs LiveLessons
- By Jerome Henry, James Garringer
- Published May 24, 2017 by Addison-Wesley Professional. Part of the LiveLessons series.
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Description
- Copyright 2017
- Edition: 1st
- Online Video
- ISBN-10: 0-13-476753-5
- ISBN-13: 978-0-13-476753-6
More Than 8 Hours of Expert Video Instruction
The Wireshark for Wireless LANs LiveLessons video training course offers more than eight hours of expert instruction on troubleshooting Wi-Fi networks using Wireshark.
Presented by Jerome Henry and James Garringer, Wireshark for Wireless LANs LiveLessons illuminates all the techniques you need to quickly identify and resolve real wireless network problems with Wireshark. Its nine well-organized lessons and 53 concise sublessons teach through real examples, easy-to-follow animations, and detailed audio explanations.
Experienced network engineers James Garringer and Jerome Henry thoroughly explain the crucial 802.11 concepts you need to master in order to troubleshoot Wi-Fi networks with Wireshark. They guide you through capturing and analyzing data at both physical and higher layers, and offer expert help with specific problems, such as dropped connections and slow performance.
If you’re responsible for a wireless network, Wireshark for Wireless LANs LiveLessons will help you improve its reliability and performance—and your own efficiency and effectiveness.
Coverage includes
- Setting up your software and hardware for efficient wireless capture
- Understanding channels, contention detection, thresholds, and 802.11 a/b/g/n/ac physical layers
- Recognizing key clues in Layer 2 headers and frame check sequences
- Decrypting and displaying wireless captures, so it makes sense
- Customizing filters specifically for Wi-Fi exchanges
- Using advanced tools to view traffic from a higher vantage point
- Pinpointing problems by exploring management, control, data frames, and retransmissions
- Troubleshooting slow, failed, and intermittent connections
- Gaining deeper insights with statistical analysis and pattern recognition
Skill Level
- Intermediate
Learn How To
- Capture the channels you need, even from remote sources
- Understand the crucial role of Layer 1 data in wireless troubleshooting
- Uncover key Layer 2 details and recognize what they mean
- Efficiently capture wireless traffic and decrypt encrypted traffic
- Discover the best ways to filter wireless captures
- Manage large wireless captures from the command line
- Identify issues by assessing key management, control, and data frames
- Quickly troubleshoot slow or dropped connections
- Export wireless capture data for industrial-strength pattern analysis
Who Should Take This Course
For all network engineers and other network professionals at all levels who need to troubleshoot wireless networks.
Course Requirements
Requires a basic understanding of networking and Wi-Fi.
Table of Contents
Lesson 1: Setting up the Capture Environment
1.1: Wireshark Capabilities on Various Platforms
1.2: What We Will Use in This Course
1.3: Capturing from Local and Remote Adapters
1.4: Using Single and Multiple Channels
Lesson 2: RF Basics - Layer 1
2.1: Channels and Separation in the ISM and UNII Bands
2.2: CCI and Medium Contention
2.3: The Deferral Process
2.4: RF Math Basics
2.5: 802.11 PHY
2.6: Wireshark and The OSI Layers
Lesson 3: MAC Header - Layer 2
3.1: MAC Header Format
3.2: Frame Types
3.3: Retry Bit, Power Bit
3.4: Failed FCS and Capture Vantage Point
Lesson 4: Dissecting a Captured Frame
4.1: OSI Model Mapping
4.2: Displaying Data
4.3: Encrypted Traffic
4.4: Configuring a WLAN Profile
4.5: Importing a Color Profile
Lesson 5: Filtering Wireless Traffic
5.1: Examining Normal Exchanges
5.2: Capture Filters
5.3: Display Filters
5.4: Sharing Filters
Lesson 6: Wireshark Advanced Tools
6.1: Following UDP/TCP Conversations
6.2: Graphs, Conversations, and Endpoints
6.3: Wireshark from the CLI
6.4: Reassembling Flows
6.5: Advanced Examples
Lesson 7: Common Symptoms Part 1
7.1: Management Frames
7.2: Control Frames
7.3: Data Frames
7.4: Retransmissions
7.5: Failed FCS
Lesson 8: Common Symptoms Part 2
8.1: Slow Connection
8.2: Can’t Connect
8.3: Can’t Stay Connected
Lesson 9: Statistical Analysis and Pattern Recognition
9.1: Selecting Data to Export
9.2: Graphing in Excel
9.3: Examples of Pattern Recognition in Excel
9.4: Using Other Graphing Tools
9.5: Sharing Your Findings
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Sample Content
Table of Contents
Lesson 1: Setting up the Capture Environment
1.1: Wireshark Capabilities on Various Platforms
1.2: What We Will Use in This Course
1.3: Capturing from Local and Remote Adapters
1.4: Using Single and Multiple Channels
Lesson 2: RF Basics - Layer 1
2.1: Channels and Separation in the ISM and UNII Bands
2.2: CCI and Medium Contention
2.3: The Deferral Process
2.4: RF Math Basics
2.5: 802.11 PHY
2.6: Wireshark and The OSI Layers
Lesson 3: MAC Header - Layer 2
3.1: MAC Header Format
3.2: Frame Types
3.3: Retry Bit, Power Bit
3.4: Failed FCS and Capture Vantage Point
Lesson 4: Dissecting a Captured Frame
4.1: OSI Model Mapping
4.2: Displaying Data
4.3: Encrypted Traffic
4.4: Configuring a WLAN Profile
4.5: Importing a Color Profile
Lesson 5: Filtering Wireless Traffic
5.1: Examining Normal Exchanges
5.2: Capture Filters
5.3: Display Filters
5.4: Sharing Filters
Lesson 6: Wireshark Advanced Tools
6.1: Following UDP/TCP Conversations
6.2: Graphs, Conversations, and Endpoints
6.3: Wireshark from the CLI
6.4: Reassembling Flows
6.5: Advanced Examples
Lesson 7: Common Symptoms Part 1
7.1: Management Frames
7.2: Control Frames
7.3: Data Frames
7.4: Retransmissions
7.5: Failed FCS
Lesson 8: Common Symptoms Part 2
8.1: Slow Connection
8.2: Can’t Connect
8.3: Can’t Stay Connected
Lesson 9: Statistical Analysis and Pattern Recognition
9.1: Selecting Data to Export
9.2: Graphing in Excel
9.3: Examples of Pattern Recognition in Excel
9.4: Using Other Graphing Tools
9.5: Sharing Your Findings