English | MP4 | AVC 1280×720 | AAC 44KHz 2ch | 7h 52m | 3.51 GB
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‚Äîand 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 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
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
Table of Contents
01 Wireshark vs. Others
02 Learning objectives
03 1.1 Wireshark Capabilities on Various Platforms
04 1.2 What We Will Use in This Course
05 1.3 Capturing from Local and Remote Adapters
06 1.4 Using Single and Multiple Channels
07 1.5 Capturing Encrypted Traffic
08 Summary
09 Learning objectives
10 2.1 Channels and Separation in the ISM and UNII Bands
11 2.2 CCI and Medium Contention
12 2.3 The Deferral Process
13 2.4 RF Math Basics
14 2.5 802.11 PHY
15 2.6 Wireshark and The OSI Layers
16 Summary
17 Learning objectives
18 3.1 MAC Header Format
19 3.2 Management Frames to Discover the Cell
20 3.3 Frames to Connect and Stay Connected
21 3.4 Retry Bit, Power Bit
22 3.5 Failed FCS and Capture Vantage Point
23 Learning objectives
24 4.1 OSI Model Mapping
25 4.2 Displaying Data
26 4.3 Encrypted Traffic
27 4.4 Configuring a WLAN Profile
28 4.5 Building a WLAN Analysis Profile
29 4.6 Importing a Color Profile
30 Learning objectives
31 5.1 Examining Normal Exchanges
32 5.2 Capture Filters and Troubleshooting Techniques
33 5.3 Traffic Filter Howto
34 5.4 Display Filters
35 5.5 Sharing Filters
36 Summary
37 Learning objectives
38 6.1 Following UDP_TCP Conversations
39 6.2 Graphs, Conversations, and Endpoints
40 6.3 Using the IO Graph
41 6.4 Wireshark from the CLI
42 6.5 Using a Ring Buffer
43 6.6 Displaying Statistics at the CLI
44 6.7 Editing Capture Files
45 6.8 Reassembling Flows
46 6.9 Advanced Examples
47 Learning objectives
48 7.1 Management Frames
49 7.2 Control Frames
50 7.3 Data Frames
51 7.4 Retransmissions
52 7.5 Failed FCS
53 Summary
54 Learning objectives
55 8.1 Slow Connection
56 8.2 Can’t Connect
57 8.3 Can’t Stay Connected
58 Summary
59 Learning objectives
60 9.1 Selecting Data to Export
61 9.2 Graphing in Excel
62 9.3 Examples of Pattern Recognition in Excel
63 9.4 Probe as Happiness Index
64 9.5 Configuration Comparisons and Voice Performance
65 9.6 Rate Shifting Pattern Measurement
66 9.7 Pattern General Case
67 9.8 Using Other Graphing Tools
68 9.9 Sharing Your Findings
69 Wireshark for Wireless LANs – Summary
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